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See detailTreatment of Bone in Elderly Subjects: Calcium, Vitamin D, Fluor, Bisphosphonates, Calcitonin
Reginster, Jean-Yves ULg

in Hormone Research (1995), 43(1-3), 83-8

Several approaches may be suggested for prevention or treatment of senile osteoporosis. In elderly patients, an association of calcium and vitamin D supplementation has been shown to reduce nonvertebral ... [more ▼]

Several approaches may be suggested for prevention or treatment of senile osteoporosis. In elderly patients, an association of calcium and vitamin D supplementation has been shown to reduce nonvertebral fractures up to 40% over an 18-month period. Calcitonin, given parenterally or nasally, may prevent further bone loss and has been reported to significantly decrease vertebral and hip fractures. This hormone also possesses an important analgesic effect. Fluoride salts are the most effective way to significantly increase bone mass, mainly at the trabecular site. The optimal doses and regimens remain to be clearly established. The use of new formulations like sodium monofluorophosphate are likely to facilitate the search of the optimal therapeutic window. Bisphosphonates are potent inhibitors of bone resorption. They have been shown to significantly increase trabecular bone mass without impairment of cortical bone. Their use may be associated with a significant decrease in vertebral fractures, mainly in patients with severe osteoporosis. The new, second and third generation of bisphosphonates (tiludronate, risedronate, alendronate) look extremely promising but their widespread use will only be possible after a confirmation of the absence of a deleterious effect on bone quality (alendronate) and after demonstration of a reduction in vertebral and/or hip fractures following a prolonged use. [less ▲]

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See detailA propos des «carnets» d'un pacifiste chrétien : Jean Van Lierde
Jadoulle, Jean-Louis ULg

in Revue d'Histoire Religieuse du Brabant-Wallon (1995), t. IX(fasc. 1), 21-36

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See detailUtilisation de la paille dans des rations d'engraissement: ingestion, dynamique de la digestion et cinétique de dégradabilité dans le rumen
Mayombo, Asangule Pierre; Van Eenaeme, Christian ULg; Gauthier, Sabine et al

in Annales de Zootechnie (1995), 44

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See detail"De l'exequatur et des causes de préférence"
Moreau, Pierre ULg

in Actualités du Droit (1995), (2), 395-410

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See detailHydroxychloroquine (Plaquenil) for recurrence prevention of Crohn's disease after curative surgery.
Louis, Edouard ULg; Belaiche, Jacques ULg

in Gastroentérologie Clinique et Biologique (1995), 19(2), 233-4

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See detailThe Dissociative Ionization of Carbon Dioxide below 21.22 eV. A high Resolution PIPECO spectroscopic investigation.
Locht, Robert ULg

in International Journal of Mass Spectrometry and Ion Processes (1995), 148

The photoion-photoelectron spectrum of O+, CO+ and CO2+ has been investigated under high resolution conditions. The O+ ion production is found not to be restricted to the CO2+ (C2Sigma+/g,0,0,0 ... [more ▼]

The photoion-photoelectron spectrum of O+, CO+ and CO2+ has been investigated under high resolution conditions. The O+ ion production is found not to be restricted to the CO2+ (C2Sigma+/g,0,0,0) predissociation. The (0,1,0) and (1,0,0) levels are clearly shown to be involved. The CO+ ion production involves all the vibrational states reached in the Franck-Condon region, i.e. up to (2,0,1) at 19.94 eV. The CO2+ molecular ion does not survive the predissociation in the entire range covered in the present work. [less ▲]

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See detailMorphological Changes of Thymus in Retrovirus-Induced Murine Acquired Immunodeficiency Syndrome (Maids)
de Leval, Laurence ULg; Deprez, Manuel ULg; Colombi, S. et al

in Pathology - Research & Practice (1995), 191(6), 506-12

The possible contribution of the thymus in the setting of acquired immunodeficiencies is still questioned. Here we report some new findings regarding a potential involvement of the thymus in mice infected ... [more ▼]

The possible contribution of the thymus in the setting of acquired immunodeficiencies is still questioned. Here we report some new findings regarding a potential involvement of the thymus in mice infected with RadLV-Rs, a viral mixture inducing murine acquired immunodeficiency syndrome (MAIDS). Thymi were sequentially removed, weighted and morphologically analyzed at different time intervals post-infection. Infection with RadLV-Rs led to a decrease in thymus weight mostly apparent from the fourth week. The first changes were seen at the third week as perivascular clusters of B-cells at the cortico-medullary junction. The ensuing process of atrophy mainly involved the cortex, while a mixed population of large T- and B-cells filled the medulla. These observations are discussed with regard to the pathological changes occurring in other lymphoid and non-lymphoid organs, in the context of the lymphoproliferation and immunodeficiency characterizing the disease, and by comparison with other models of retrovirus-induced immunodeficiencies. [less ▲]

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See detailCe que tromper veut dire: à propos des éditions maestrichtoises d'Helvétius (1774-1777)
Droixhe, Daniel ULg; Vanwelkenhuyzen, Nadine ULg

in Studies on Voltaire and the Eighteenth Century (1995), 329

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See detailLa géodésie spatiale à l'Observatoire Royal de Belgique
Warnant, René ULg; Bruyninx, Carine

in Nouvelles de la Science et des Technologies (1995), 13(2/3/4), 29-31

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See detailReprésentations de la justice sociale - L'exemple de la Belgique francophone
Jacquemain, Marc ULg

in Année Sociologique (L') (1995), 45

Lorsqu'on analyse les réponses à une batterie de questions sur la justice sociale en Belgique, on voit apparaître trois facteurs, qui ne correspondent pas à des "valeurs" mais plutôt à des "thématiques ... [more ▼]

Lorsqu'on analyse les réponses à une batterie de questions sur la justice sociale en Belgique, on voit apparaître trois facteurs, qui ne correspondent pas à des "valeurs" mais plutôt à des "thématiques transversales". Le premier facteur concerne l'inclusion : la justice est-elle due, par exemple aux immigrés ou aux chômeurs ? Le deuxième facteur concerne le rôle géénral de l'Etat social. Le troisième facteur concerne la dimension première ou subsidiaire de la sécurité sociale. [less ▲]

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See detailCytokines and cartilage degradation
Henrotin, Yves ULg; De Groote, D; Labasse, A et al

in Mediators of Inflammation (1995), 4

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See detailLe développement des fonctions du langage en vue d’une meilleure intégration linguistique: le cas des Italiens de Belgique
Lucchini, Silvia ULg

in Cahiers de l'institut de linguistique de Louvain (1995), 21(1-2), 149-156

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See detailThe effectiveness of combined oral lysine acetylsalicylate and metoclopramide compared with oral sumatriptan for migraine.
Tfelt-Hansen, P.; Henry, P.; Mulder, L. J. et al

in Lancet (1995), 346(8980), 923-6

Aspirin is commonly used to treat migraine attacks, although sumatriptan, a much more expensive treatment, is also effective. We compared a combination of lysine acetylsalicylate (equivalent to 900 mg ... [more ▼]

Aspirin is commonly used to treat migraine attacks, although sumatriptan, a much more expensive treatment, is also effective. We compared a combination of lysine acetylsalicylate (equivalent to 900 mg aspirin) and 10 mg metoclopramide (LAS+MTC) with oral sumatriptan (100 mg) and placebo in 421 patients with migraine. LAS+MTC was as effective as sumatriptan with a decrease of headache from severe or moderate to mild or none of 57% and 53%, respectively, for the first migraine attack treated. Both treatments were better than placebo (success rate 24%, p < 0.0001). LAS+MTC was significantly more effective in the treatment of nausea than sumatriptan (p < 0.0001) and was better tolerated (adverse events in 18% and 28%, respectively, p < 0.05). LAS+MTC is as effective as sumatriptan in the treatment of migraine attacks. It is also much cheaper. [less ▲]

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See detailPropagations en réseaux de cours d'eau d'ondes de crues incluant des ressauts
Pirotton, Michel ULg

in Tribune de l'Eau (La) (1995), 49(574), 23-33

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See detailComparative assessment of right ventricular performance from the pressure-volume relationship in double-muscled and conventional calves.
Amory, Hélène ULg; Mc Entee, Kathleen ULg; Linden, Annick ULg et al

in Canadian Journal of Veterinary Research = Revue Canadienne de Recherche Vétérinaire (1995), 59(2), 135-141

Forty-one and 55 records of right-sided and systemic arterial pressures, cardiac output, and end-diastolic and end-systolic right ventricular volumes were collected from a group of 6 conventional and 6 ... [more ▼]

Forty-one and 55 records of right-sided and systemic arterial pressures, cardiac output, and end-diastolic and end-systolic right ventricular volumes were collected from a group of 6 conventional and 6 double-muscled calves, respectively. In each group, the mean right ventricular pressure-volume loop was constructed. Global cardiac performance was significantly lower in the double-muscled than in the conventional calves. The right ventricular end-diastolic and end-systolic volumes, as well as the diastolic portion of the mean pressure-volume loop, were similar in the 2 groups. Those results suggest that the reduced cardiac performance of double-muscled calves is not due to a lowered ventricular preload and that diastolic properties of their myocardium are similar to those of conventional calves. When expressed on a body weight basis, however, the right ventricular end-diastolic and end-systolic volumes were lower in the double-muscled than in conventional calves. When expressed as a function of probable metabolic demand, therefore, the volumetric capacity of the cardiac pump appears to be reduced in double-muscled calves. The significantly lower right ventricular ejection fraction, maximal rate of ventricular pressure rise and right ventricular peak-systolic pressure to end-systolic volume ratio measured in double-muscled as compared with conventional calves suggest that reduced myocardial contractility may also be partly responsible for the significantly lower stroke index of the former calves. The cardiac pump of double-muscled cattle thus seems to be less effective than that of conventional cattle because of reduced volumetric capacity and lowered strength of contraction. [less ▲]

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See detailKarel ende Elegast et la tradition folklorique
Varvaro, Alberto; Moreno, Paola ULg

in Moyen Age (Le) (1995), CI(1995), 259-275

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See detailCyclosporin A, rapamycin and FK506 decrease prolactin release from rat pituitary cells in primary culture
Wera, S.; Zheng, L.; Hooghe-Peters, E. L. et al

in Endocrine Research (1995), 21(3), 623-33

It is at present well established that prolactin exerts a non-specific immunoactivating function. In this work we tested whether the immunosuppressant drugs cyclosporin A, FK506 and rapamycin influence ... [more ▼]

It is at present well established that prolactin exerts a non-specific immunoactivating function. In this work we tested whether the immunosuppressant drugs cyclosporin A, FK506 and rapamycin influence prolactin release from rat pituitary cells in primary culture. The tested drugs had no effect on the prolactin release measured during a 2h incubation period, indicating that they do not influence the secretion of prolactin from intracellular stores into the culture medium. During longer incubation times (48h), however, prolactin release was diminished to 56% +/- 18 (10 microM cyclosporin A), 64% +/- 14 (1 microM rapamycin) or 64% +/- 7 (1 microM FK506), suggesting an effect on prolactin production. At these drug concentrations no toxic effects were observed. The data indicate that inhibition of pituitary prolactin synthesis might contribute to the immunosuppressant action of cyclosporin A, rapamycin and FK506. [less ▲]

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See detailLes insuffisances mitrales ischémiques: principes de leur traitement chirurgical
RADERMECKER, Marc ULg; Limet, Raymond ULg

in Revue Médicale de Liège (1995), 50(7), 295-7

L'insuffisance mitrale ischémique est une manifestation peu fréquente de la maladie cotanarienne. Elle constitue par ailleurs une entité relativement mal connue. Il peut s'agir de complications aiguës ou ... [more ▼]

L'insuffisance mitrale ischémique est une manifestation peu fréquente de la maladie cotanarienne. Elle constitue par ailleurs une entité relativement mal connue. Il peut s'agir de complications aiguës ou chroniques de la maladie ischémique. Leur compréhension est facilité par la classification fonctionnelle de Carpentier. A l'occasion de cette revue, nous précisons les indications elles modalités de traitement de ce type d'insuffisance mitrale. [less ▲]

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See detailThe influence of core excitations on energies and oscillator strengths of iron group elements
Quinet, Pascal ULg; Hansen, J E

in Journal of Physics : B Atomic Molecular & Optical Physics (1995), 28

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See detailLa recherche scientifique et l'invention d'une société solidaire
de Landsheere, Gilbert ULg

in Bulletin de l'Association de la Noblesse du Royaume de Belgique (1995), (206), 22-28

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See detailCellular and molecular aspects of thymic T-cell education to neurohypophysial peptides
Geenen, Vincent ULg; Martens, Henri ULg; Vandersmissen, Eric et al

in Excerpta Medica (1995), 1098

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See detailLichens and lichenicolous fungi on Laing Island (Papua New Guinea)
Aptroot, André; Diederich, Paul; Sérusiaux, Emmanuël ULg et al

in Bibliotheca Lichenologica (1995), 57

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See detailMiospore Biozonation in the Middle Devonian - Lower Carboniferous of Europe : its application to Western Gondwana
Loboziak, S.; Streel, Maurice ULg

in Anais da Academia Brasileira de Ciencias (1995), 67(3), 311-312

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See detailNonfibrous mineralogical analysis of bronchoalveolar lavage fluid from blast-furnace workers.
CORHAY, Jean-Louis ULg; Bury, Thierry ULg; Delavignette, Jean-Paul ULg et al

in Archives of Environmental Health (1995), 50(4), 312-9

Steelworkers are exposed to many pollutants, and they are at risk for developing lung cancer. We demonstrated previously that steelworkers may be subject to an occult exposure to amphiboles in the plant ... [more ▼]

Steelworkers are exposed to many pollutants, and they are at risk for developing lung cancer. We demonstrated previously that steelworkers may be subject to an occult exposure to amphiboles in the plant environment. In the current study, we further analyzed bronchoalveolar lavage fluid of steelworkers by measuring intramacrophagic trace-metal content and nonfibrous mineral particles, using the particle-induced x-ray emission method and electron microscopy, respectively. Forty-seven blast-furnace workers and 45 healthy white-collar workers volunteered for this study. Significantly increased levels of iron, titanium, zinc, and bromine were found in the steelworkers, and levels of lead, chromium, arsenic, and strontium tended to increase in the macrophages and bronchoalveolar lavage fluid of the steelworkers. Nonfibrous particles, including illite, kaolinite, talc, chlorite, amorphous silica, quartz, iron (compounds), and titanium hydroxide, were found in both groups, but the particle number per ml bronchoalveolar lavage fluid (particularly iron hydroxides and silicates) was more pronounced in blast-furnace workers. These elements and particles may act synergistically with other occupational carcinogens and cigarette smoke, the result of which may be an increased incidence of lung cancer in the ironsteel industry. [less ▲]

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See detailUn cimetière, une communauté, un espace : l’exemple liégeois
Schmitz, Serge ULg

in Géographie et cultures (1995), 16

The article is the result of the study of 160 years of cemetery history in an urban region which houses today 510.000 peoples. It demonstrates the strong links between urban and rural communities and ... [more ▼]

The article is the result of the study of 160 years of cemetery history in an urban region which houses today 510.000 peoples. It demonstrates the strong links between urban and rural communities and their cemeteries. In order to do this, four points in cemetery history, chosen for the availability of reliable and comparable sources, have been chosen and described successively. Finally the article investigates the reasons for the exponential growth of requiered cemetery size. [less ▲]

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See detailSurgery for Occlusive Renal Artery Disease: Immediate and Long-Term Results
Van Damme, Hendrik ULg; Lombet, P.; Creemers, Etienne ULg et al

in Acta Chirurgica Belgica (1995), 95(1, Jan-Feb), 1-10

A retrospective study is presented concerning 115 patients submitted to renal artery surgery from 1978 to 1990, and observed during 2 to 15 years. Included are 69 men and 46 women, aged 14 to 84 years ... [more ▼]

A retrospective study is presented concerning 115 patients submitted to renal artery surgery from 1978 to 1990, and observed during 2 to 15 years. Included are 69 men and 46 women, aged 14 to 84 years (mean: 58.8 years). The underlying occlusive arterial disease was atherosclerosis in 87 patients, fibromuscular dysplasia in 21, and miscellaneous causes in 7 cases. One hundred and one patients (88%) were hypertensive. Some degree of impaired renal excretory function (serum creatinine level above 16 mg/l) was present in 30% (n = 42) of the patients, whereas 11 patients had severe renal insufficiency (creatinemia above 30 mg/l). Primary nephrectomy was performed in 11 patients as sole procedure and was associated with contralateral revascularization in another 9 patients. A variety of types of arterial reconstruction was performed, although more than half of the procedures were aortorenal bypass grafts. Bilateral procedures were performed in 19 cases. Simultaneous extrarenal operations included aortic reconstruction (n = 43), mesenteric arterial repair (n = 8), and carotid endarterectomy (n = 5). Operative mortality (9/115, 7.8%) varied considerably between the subgroups: 4% for group I (hypertension alone, n = 73), 15% for group II (renal impairment with or without hypertension, n = 34), and 12.5% for group III (acute renal failure, n = 8). There were 3 late non procedure-related in-hospital deaths. Preoperative renal insufficiency was the only independent predictive risk factor for operative death. The procedure was curative or led to improved blood pressure control in 79% (80/101) of hypertensive patients. The response rate was better for recent onset hypertension, compared to long-standing hypertension. Of the 42 azotemic patients, 78% had a benefit (improvement in 50%, stabilization in 28%) of renal revascularization. Associated longstanding hypertension had a negative prognostic value. Sequential clinical and functional follow-up evaluations are available on 99 of the 103 surviving patients. Cumulative 5-year survival is 87%. Cardiovascular causes account for most (11/15) of the late deaths.(ABSTRACT TRUNCATED AT 400 WORDS) [less ▲]

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See detailCombined radiotherapy and radioimmotherapy of human colon carcinoma grafted in nude mice.
Buchegger, F; Rojas, A; Delaloye, A et al

in Cancer Research (1995), 55

The effect of combined radioimmunotherapy (RIT) and fractionated external beam radiotherapy (RT) was assessed in two human colon cancer xenografts, Col 12 and LS174T in nude mice. These tumors were ... [more ▼]

The effect of combined radioimmunotherapy (RIT) and fractionated external beam radiotherapy (RT) was assessed in two human colon cancer xenografts, Col 12 and LS174T in nude mice. These tumors were selected for being resistant to RIT alone, as is usually the case in the clinical situation. Tumor-bearing mice were treated with a combination of five X-ray fractions over 5 days followed by RIT with two doses of 1.5 mCi 131I-labeled anticarcinoembryonic antigen monoclonal antibody F(ab')2. In Col 12 and LS174T, RIT alone achieved a regrowth delay similar to that of fractionated RT with total doses of 28 and 26 Gy, respectively. In both tumor types, an additive therapeutic effect, measured as increased regrowth delay or local control, was observed when combining RT of different dose levels with RIT. Normal tissue responses were assessed by monitoring acute peak skin reactions and blood cell count. Bone marrow depression for the combination treatment was similar to that of RIT alone; relative to skin, at equitoxic levels, no mice bearing Col 12 tumors were locally controlled with a 32 Gy RT dose alone, while this RT combined with RIT gave a local control of 100%. These studies show a therapeutic benefit when external beam RT is combined with RIT. [less ▲]

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See detailCompressive strength for service and accident conditions
Schneider, Ulrich; Schwesinger, P.; Debicki, Gérard et al

in Materials and Structures (1995), 28(181), 410-414

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See detailStromelysin-3 - a paradigm of extracellular proteinase expressed in stromal cells of human carcinomas.
Basset, P.; Rouyer, N.; Wolf, C. et al

in Cell Biology International (1995), 19(3), 242-242

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See detailActivation of mitogen-activated protein kinases by vascular endothelial growth factor and basic fibroblast growth factor in capillary endothelial cells is inhibited by the antiangiogenic factor 16-kDa N-terminal fragment of prolactin
D'Angelo, Gisela; Struman, Ingrid ULg; Martial, Joseph ULg et al

in Proceedings of the National Academy of Sciences of the United States of America (1995), 92(14), 6374-8

A number of factors both stimulating and inhibiting angiogenesis have been described. In the current work, we demonstrate that the angiogenic factor vascular endothelial growth factor (VEGF) activates ... [more ▼]

A number of factors both stimulating and inhibiting angiogenesis have been described. In the current work, we demonstrate that the angiogenic factor vascular endothelial growth factor (VEGF) activates mitogen-activated protein kinase (MAPK) as has been previously shown for basic fibroblast growth factor. The antiagiogenic factor 16-kDa N-terminal fragment of human prolactin inhibits activation of MAPK distal to autophosphorylation of the putative VEGF receptor, Flk-1, and phospholipase C-gamma. These data show that activation and inhibition of MAPK may play a central role in the control of angiogenesis. [less ▲]

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See detailMessenger RNA expression for a TSH receptor variant in the thymus of a two-year old child
Paschke, Ralf; Geenen, Vincent ULg

in Journal of Molecular Medicine (1995), 73577-580

We recently described the presence of a TSH receptor variant in orbital tissues. The presence of this TSH receptor variant in the thymus suggests that induction of immune tolerance to this TSH receptor ... [more ▼]

We recently described the presence of a TSH receptor variant in orbital tissues. The presence of this TSH receptor variant in the thymus suggests that induction of immune tolerance to this TSH receptor-transcript is possible. A lack of tolerance induction for this TSH receptor variant could provide an explanation for a possible antigenic link between Graves' disease and thyroid-associated orbitopathy. [less ▲]

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See detailThe role of the insurance industry in piloting private sector security and prevention policy
Lemaître, André ULg

in European Journal on Criminal Policy and Research (1995), 3.1

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See detailVariable location of the enterotoxin gene (cpe) in Clostridium perfringens.
Cornillot, Emmanuel; Saint-Joanis, Brigitte; Daube, Georges ULg et al

in Molecular Microbiology (1995), 15

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See detailPain after laparoscopic cholecystectomy: characteristics and effect of intraperitoneal bupivacaine.
Joris, Jean ULg; Thiry, E.; Paris, P. et al

in Anesthesia and Analgesia (1995), 81(2), 379-84

Although pain after laparoscopic cholecystectomy is less intense than after open cholecystectomy, some patients still experience considerable discomfort. Furthermore, the characteristics of ... [more ▼]

Although pain after laparoscopic cholecystectomy is less intense than after open cholecystectomy, some patients still experience considerable discomfort. Furthermore, the characteristics of postlaparoscopy pain differ considerably from those seen after laparotomy. Therefore, we investigated the time course of different pain components after laparoscopic cholecystectomy and the effects of intraperitoneal bupivacaine on these different components. Forty ASA physical status grade I-II patients were randomly assigned to receive either 80 mL of bupivacaine 0.125% with epinephrine 1/200,000 (n = 20) or the same volume of saline (n = 20) instilled under the right hemidiaphragm at the end of surgery. Intensity of total pain, visceral pain, parietal pain, and shoulder pain was assessed 1, 2, 4, 6, 8, 24, and 48 h after surgery. Analgesic consumption was also recorded. Patient data were similar in the two groups. In the saline group, visceral pain was significantly more intense than parietal pain at each time point; visceral and parietal pain were greater than shoulder pain during the first 8 h postoperatively. Intraperitoneal bupivacaine did not significantly affect any of the different components of postoperative pain. Analgesic consumption was similar in the two groups. This study demonstrates that visceral pain accounts for most of the pain experienced after laparoscopic cholecystectomy. Intraperitoneal bupivacaine is not effective for treating any type of pain after laparoscopic cholecystectomy. [less ▲]

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See detailBone mineral density of the spine and the hip measured with dual energy X-ray absorptiometry: normal range and fracture threshold for western European (Belgian) postmenopausal females.
Reginster, Jean-Yves ULg; Janssen, C; DEROISY, Rita ULg et al

in Clinical Rheumatology (1995), 14(1), 68-75

Bone mineral density (BMD) of the spine and the different regions of interest (ROI) of the hip were measured by dual energy X-ray absorptiometry in 278 healthy Belgian postmenopausal women and 93 ... [more ▼]

Bone mineral density (BMD) of the spine and the different regions of interest (ROI) of the hip were measured by dual energy X-ray absorptiometry in 278 healthy Belgian postmenopausal women and 93 postmenopausal type I osteoporotic females in order to: a) determine the normal range for lumbar and hip BMD values; b) define an "hypothetical" fracture threshold in this population; c) determine the preferential region to be considered for clinical use in type I osteoporosis. In the normal subjects, there is a negative relationship (< 0.001) between age or time elapsed since menopause (Tm) and BMD measured at the level of the spine or at the ROI of the hip. For the spine, evidence of a curvilinear relationship was assessed. Regressions of BMD at the hip as a function of age or time elapsed since menopause, were best fitted by a linear relationship. In the population of postmenopausal women who have experienced a vertebral crush fracture, no relationships were observed between spine BMD and age or Tm but the osteoporotic women had a spine BMD significantly lower compared to age-matched normal controls: Z-score = -1.2 +/- 0.6 (mean +/- SD) (p < 0.0001). Fracture threshold calculated as the 90th percentile of spine BMD measured in osteoporotic patients was 0.840 g/cm2, corresponding to the mean value -1 SD for a population of women aged 51 years. [less ▲]

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See detailHandling infinite temporal data
Kabanza, Froduald; Stevenne, Jean-Marc; Wolper, Pierre ULg

in Journal of Computer & System Sciences (1995), 51(1), 3--17

In this paper, we present a powerful framework for describing, storing, and reasoning about infinite temporal information. This framework is an extension of classical relational databases. It represents ... [more ▼]

In this paper, we present a powerful framework for describing, storing, and reasoning about infinite temporal information. This framework is an extension of classical relational databases. It represents infinite temporal information by generalized tuples defined by linear repeating points and constraints on these points. We characterize the expressiveness of these generalized relations in terms of predicates definable in Presburger arithmetic. Next, we prove that relations formed from generalized tuples are closed under the operations of relational algebra and provide complexity results for the evaluation of first-order queries. [less ▲]

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See detailEvaluation bryologique d'un projet de réinondation par les crues du Rhin: l'exemple de la réserve naturelle d'Erstein (Alsace, France)
Vanderpoorten, Alain ULg; Klein, J. P.; De Zuttere, P.

in Belgian Journal of Botany (1995), 128

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See detailMolecular cloning and characterization of a soluble inorganic pyrophosphatase in potato.
du Jardin, Patrick ULg; Rojas-Beltran, J.; Gebhardt, C. et al

in Plant Physiology (1995), 109(3), 853-60

A cDNA clone encoding a soluble inorganic pyrophosphatase (EC 3.6.1.1) of potato (Solanum tuberosum L.) was isolated by screening a developing tuber library with a heterologous probe. The central domain ... [more ▼]

A cDNA clone encoding a soluble inorganic pyrophosphatase (EC 3.6.1.1) of potato (Solanum tuberosum L.) was isolated by screening a developing tuber library with a heterologous probe. The central domain of the encoded polypeptide is nearly identical at the sequence level with its Arabidopsis homolog (J.J. Kieber and E.R. Signer [1991] Plant Mol Biol 16: 345-348). Computer-assisted analysis of the potato, Arabidopsis, and Escherichia coli soluble pyrophosphatases indicated a remarkably conserved organization of the hydrophobic protein domains. The enzymatic function of the potato protein could be deduced from the presence of amino acid residues highly conserved in soluble pyrophosphatases and was confirmed by its capacity to complement a thermosensitive pyrophosphatase mutation in E. coli. The potato polypeptide was purified from complemented bacterial cells and its pyrophosphatase activity was shown to be strictly dependent on Mg2+ and strongly inhibited by Ca2+. The subcellular location of the potato pyrophosphatase is unknown. Structure analysis of the N-terminal protein domain failed to recognize typical transit peptides and the calculated molecular mass of the polypeptide (24 kD) is significantly inferior to the values reported for the plastidic (alkaline) or mitochondrial pyrophosphatases in plants (28-42 kD). Two unlinked loci could be mapped by restriction fragment length polymorphism analysis in the potato genome using the full-length cDNA as probe. [less ▲]

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See detailThe effect of gonadal development and sex steroids on growth hormone secretion in the male tilapia hybrid (Oreochromis niloticus x O. aureus O;
Melamed, P.; Eliahu, N.; Ofir, M. et al

in Fish Physiology and Biochemistry (1995)

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See detailFactors regulating megakaryocyte progenitor commitment to polyploidization.
Paulus, Jean-Michel ULg; Grosdent, J C; Prenant, M et al

in Comptes Rendus de l'Académie des Sciences. Série III. Sciences de la Vie (1995), 318(3), 381-6

Recognizable megakaryocytes are polyploid cells generated by a clonogenic, diploid progenitor, termed CFU-MKC (colony forming unit, megakaryocyte). In order to quantify polyploidization, ploidy histograms ... [more ▼]

Recognizable megakaryocytes are polyploid cells generated by a clonogenic, diploid progenitor, termed CFU-MKC (colony forming unit, megakaryocyte). In order to quantify polyploidization, ploidy histograms of megakaryocytes determined by microphotometric or flow cytometric measurements of megakaryocyte DNA have generally been used. However these techniques provide no information on the rate of commitment of CFU-MKC to polyploidy. Using a technique of clonal analysis determining the distributions of the number of doublings (NbD) undergone by CFU-MKC before committing to polyploidization, the polyploidization probability of CFU-MKC could be derived. This probability was found to be a constant independent from CFU-MKC mitotic history, since NbD distributions are exponential functions characterized by a constant rate of decay per doubling. By studying the effects of growth factors on polyploidization probability, it was also shown that: (1) this parameter is negatively regulated by growth factors contained in poke-weed or WEHI conditioned media, as well as by erythropoietin; (2) commitment to polyploidization does not require prior CFU-MKC division; (3) bipotent erythroid-megakaryocyte progenitors have a lower polyploidization probability than CFU-MKC; (4) determination of polyploidization probability reflects the activity of growth factors with greater accuracy than megakaryocyte colony count. [less ▲]

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See detailAutovidéoscopie et formation des enseignants: les techniques d'analyse de gestes
Cloes, Marc ULg; Piéron, Maurice

in Eduquer et former. Théories et pratiques (1995), 3/4

Se référant aux résultats de plusieurs recherches prenant pour cadre la formation d'enseignants en éducation physique, les auteurs apportent des éléments de réponses quant à la pertinence de l'utilisation ... [more ▼]

Se référant aux résultats de plusieurs recherches prenant pour cadre la formation d'enseignants en éducation physique, les auteurs apportent des éléments de réponses quant à la pertinence de l'utilisation des techniques d'analyse de gestes sur vidéo et d'enseignement simulé. L'articulation de l'analyse avec la littérature scientifique du domaine laisse une grande liberté de transposition vers d'autres champs d'application. [less ▲]

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See detailIndications et sélection du candidat aux implants
Geerts, Sabine ULg

in Actualités Dentaires de l'Université de Liège (1995), 17

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See detailReeducacion de la artroplastia de rodilla EMG de superfice como metodo de evaluacion
Villanueva, X.; Maertens de Noordhout, B.; Croisier, Jean-Louis ULg et al

in Dolor & Inflammacion (1995), 8

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See detailThe rationale to switch from postoperative hyperfractionated accelerated radiotherapy to preoperative hyperfractionated accelerated radiotherapy in rectal cancer
COUCKE, Philippe ULg; Sartirelli, Britta; Cuttat, Jean-François et al

in International Journal of Radiation, Oncology, Biology, Physics (1995), 32(1), 181-188

Purpose: To demonstrate the feasibility of preoperative Hyperfractionated Accelerated RadioTherapy (preop-HART) in rectal cancer and to explain the rationales to switch from postoperative HART to ... [more ▼]

Purpose: To demonstrate the feasibility of preoperative Hyperfractionated Accelerated RadioTherapy (preop-HART) in rectal cancer and to explain the rationales to switch from postoperative HART to preoperative HART. Methods and Materials: Fifty-two consecutive patients were introduced in successive Phase I trials since 1989. In trial 89-01, postoperative HART (48 Gy in 3 weeks) was applied in 20 patients. In nine patients with locally advanced rectal cancer, considered unresectable by the surgeon, 32 Gy in 2 weeks was applied prior to surgery (trial 89-02). Since 1991, 41.6 Gy in 2.5 weeks has been applied preoperatively to 23 patients with T3-T4 any N rectal cancer immediately followed by surgery (trial 91-01). All patients were irradiated at the department of radiation-oncology with a four-field box technique (1.6 Gy twice a day and with at least a 6-h interval between fractions). The minimal accelerating potential was 6 MV. Acute toxicity was scored according to the World Health Organization (WHO for skin and small bowel) and the Radiation Therapy Oncology Group criteria (RTOG for bladder). This was done weekly during treatment and every 3 months thereafter. Small bowel volume was estimated by a modified 'Gallagher's' method. Results: Acute toxicity was acceptable both in postoperative and preoperative setup. The mean acute toxicity was significantly lower in trial 91-01 compared to 89-01. This difference was due to the smaller amount of small bowel in irradiation field and lower total dose in trial 91-01. Moreover, there was a significantly reduced delay between surgery and radiotherapy favoring trial 91-01 (median delay 4 days compared to 46 days in trial 89-01). Nearly all patients in trial 89-02 and 91-01 underwent surgery (31 out of 32; 97%). Resection margins were negative in 29 out of 32. Hospitalization duration in trial 91- 01 was not significantly different from trial 89-01 (19 vs. 21 days, respectively). Conclusions: Hyperfractionated accelerated radiotherapy immediately followed by surgery is feasible as far as acute toxicity is concerned. Preoperative HART is favored by a significantly lower acute toxicity related, in part, to a smaller amount of irradiated small bowel, and a shorter duration of the delay between radiotherapy and surgery. Moreover, the hospital stay after preoperative HART is not significantly increased. [less ▲]

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See detailCoexpression of cytokeratin and vimentin in eutopic endometrium and endometriosis throughout the menstrual cycle: evaluation by a computerized method.
NISOLLE, Michelle ULg; Casanas-Roux, Françoise; Donnez, Jacques

in Fertility and Sterility (1995), 64(1), 69-75

Objectives: To evaluate quantitatively cytokeratin and vimentin staining in glandular and stromal cells of eutopic and ectopic endometrium. DESIGN: The investigation of cytokeratin and vimentin was ... [more ▼]

Objectives: To evaluate quantitatively cytokeratin and vimentin staining in glandular and stromal cells of eutopic and ectopic endometrium. DESIGN: The investigation of cytokeratin and vimentin was carried out using the new computerized technology of image analysis. SETTING: University Hospital, Department of Gynecology. PATIENTS: Biopsies were taken from patients undergoing a laparoscopy for infertility (29 endometrial biopsies and 31 biopsies of peritoneal endometriosis). None of them were treated. RESULTS: Cyclic variations of cytokeratin and vimentin staining were noted in eutopic endometrium. The cytokeratin and vimentin staining pattern consistently was lower in ectopic endometrium than in eutopic endometrium. CONCLUSIONS: Endometriotic epithelial and stromal cells undergo a complex program of differentiation giving them histochemical characteristics similar to those observed in endometrium. Such a concomitant expression of antigenicity indicates their close relationship with their mesodermal müllerian origin. [less ▲]

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See detailN2-cyano-N1-isopropyl-N3-[4-(3-methylphenylamino)-3-pyridylsulfonyl]guanidine
Dupont, L.; Masereel, B.; De Tullio, Pascal ULg et al

in Acta Crystallographica (1995), C51

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See detailcorrelations between cerebral blood flow velocities, cerebral perfusion pressure and intracranial pressure in sick neonates
Battisti, Oreste ULg; Adant-François, A.; Bertrand, J. M. et al

in Circulation et Métabolisme du Cerveau (1995), 12

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See detailEffect of prolonged exercise on neutrophil myeloperoxidase secretion
Bury, Thierry ULg; PIRNAY, Freddy ULg

in International Journal of Sports Medicine (1995)

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See detailToxicité potentielle et utilisation pratique du méthotrexate dans la polyarthrite rhumatoïde
Kaye, O.; Ribbens, Clio ULg; Hauwaert, Christian ULg et al

in Médecine et Hygiène (1995)

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See detailMéthodologie pour une meilleure représentation spatio-temporelle des fluctuations pluviométriques observées au Niger depuis 1905
Ozer, Pierre ULg; Erpicum, Michel ULg

in Sécheresse (1995), 6(1), 103-108

The fluctuations of annual precipitation observed in Niamey and Zinder (Niger) since the turn of the century warranted a comparison of rainfall maps and rainy-season characteristics between 1950-1967 ... [more ▼]

The fluctuations of annual precipitation observed in Niamey and Zinder (Niger) since the turn of the century warranted a comparison of rainfall maps and rainy-season characteristics between 1950-1967 (period of high rainfall) and 1968-1985 (period of low rainfall). Calculating two specific annual spatiotemporal rainfall profiles provided precisions as to the irregular and heterogeneous advance of the drought through Niger. [less ▲]

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See detailRecent advances in the chemistry of potassium channel openers
Pirotte, Bernard ULg; Fontaine, J.; Lebrun, P.

in Current Medicinal Chemistry (1995), 2

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See detailLas palabras póstumas de Albert Camus
Ardissone, Diana; Willson, Patricia ULg

in Espacios de crítica y producción (1995), (16), 63-64

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See detailMitochondrial oxidative phosphorylation injuries occurring in situ and in vitro.
Willet, K.; Vaz de Macedo, D.; DETRY, Olivier ULg et al

in Transplantation Proceedings (1995), 27

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See detailIntragrain pinning strength depth dependence of 2223-(Bi,Pb)-based high critical Tc ceramics made by a vitreous route
Dang, An; Godelaine, P. A.; Vanderbemden, Philippe ULg et al

in Journal of Applied Physics (1995), 77(7), 3560-3562

Campbell's method for measuring the critical current in superconductors has been used to obtain the critical current density and the pinning strength in Bi1.7Pb0.3Sr2Ca2Cu3O10−y ceramics synthesized by a ... [more ▼]

Campbell's method for measuring the critical current in superconductors has been used to obtain the critical current density and the pinning strength in Bi1.7Pb0.3Sr2Ca2Cu3O10−y ceramics synthesized by a vitreous route. The intragrain critical current is much higher than 10^5 A/cm2 at 40 K in zero dc magnetic field. A large increase of the pinning strength is observed near the grain surface. The decrease with depth is hyperbolic. The role of the precursors in the synthesis route is emphasized for introducing specific pinning centers. The analysis takes into consideration the ceramics granular nature, i.e., the existence of intergrain and intragrain currents. ©1995 American Institute of Physics. [less ▲]

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See detailBiological-Activity Of Fenoxycarb Against Sitophilus-Zeamais Motsch (Coleoptera, Curculionidae)
Letellier, C.; Haubruge, Eric ULg; Gaspar, Charles ULg

in Journal of Stored Products Research (1995), 31(1),

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See detailHysteroscopic myomectomy.
Donnez, Jacques; Polet, Roland; Smets, Mireille et al

in Current Opinion in Obstetrics & Gynecology (1995), 7(4), 311-6

Transhysteroscopic myomectomy has proved to be safe and effective with experienced operators. The use of the continuous flow hysteroscope and preoperative monitoring of intrauterine pressure has ... [more ▼]

Transhysteroscopic myomectomy has proved to be safe and effective with experienced operators. The use of the continuous flow hysteroscope and preoperative monitoring of intrauterine pressure has contributed to the prevention of fluid intravasion accidents. Effectiveness has been demonstrated in a number of recently published long-term studies. [less ▲]

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See detailRat heart-aorta cluster transplantation : a novel model to study transplant rejection
D'Silva, Milbhor; Candidas, D.; Lee, S. et al

in Transplant International (1995), (8), 298-306

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See detailAneurysms of the abdominal aorta: familial and genetic aspects in three hundred thirteen pedigrees.
VERLOES, Alain ULg; SakalihasanN, Natzi ULg; Koulischer, Lucien ULg et al

in Journal of Vascular Surgery (1995), 21(4), 646-55

PURPOSE: Familial clustering of abdominal aortic aneurysm was first noticed in 1977. METHODS: Through questionnaire and phone inquiry, familial data on 324 probands with abdominal aortic aneurysms allowed ... [more ▼]

PURPOSE: Familial clustering of abdominal aortic aneurysm was first noticed in 1977. METHODS: Through questionnaire and phone inquiry, familial data on 324 probands with abdominal aortic aneurysms allowed the establishment of 313 multigenerational pedigrees including 39 with multiple affected patients. RESULTS: There were 276 sporadic cases (264 men, 12 women); 81 cases belonged to multiplex pedigrees (76 men; 5 women). We compared familial and sporadic male cases; the ages at diagnosis were 64.1 +/- 7.9 years and 66.0 +/- 7.3 years (p < 0.05), respectively, the ages at rupture were 65.4 +/- 6.6 years and 75.2 +/- 8.6 years (p < 0.001), and the rupture rate was 32.4% and 8.7% (p < 0.001). Survival curves were computed. Relative risk for male siblings of a male patient was 18. We performed a segregation analysis with the mixed model, the most likely explanation for occurrence of abdominal aortic aneurysm in our families was a single gene effect showing dominant inheritance. The frequency of the morbid allele was 1:250, and its age-related penetrance was not higher than 0.4. CONCLUSION: This analysis indicates the preeminence of genetic factors on multifactorial/environmental effects of the pathogenesis of abdominal aortic aneurysm. [less ▲]

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See detailRespiratory adjustments in unacclimatised horses exercised under hot, humid conditions
Art, Tatiana ULg; Lekeux, Pierre ULg

in Equine Veterinary Journal. Supplement (1995), 18

The purpose of this study was to investigate the effect of a hot and humid environment on the pattern of breathing and the gas exchange in heavily exercising horses. Five healthy fit Standardbred horses ... [more ▼]

The purpose of this study was to investigate the effect of a hot and humid environment on the pattern of breathing and the gas exchange in heavily exercising horses. Five healthy fit Standardbred horses were investigated twice at 8 day intervals, once in temperate conditions (TC) (ambient temperature: 15°C; relative humidity: 55%) and once in hot and humid conditions (HHC) (ambient temperature: 30°C; relative humidity: 75%). The standardised treadmill exercise test consisted of 8 min warm-up and 8 min exercise (1 min at 1.7, 4, 7, 8, 9 and 10 m/s and 2 min at 4 m/s with a 6% slope). Running in HHC induced a significant decrease in peak expired minute volume (VE), oxygen uptake (VO2), VCO2 and oxygen pulse, while RQ remained unchanged and PACO2 increased. The changes in skin temperature (ST), i.e. the difference between ST at rest and at 10 m/s, was dramatically higher in HHC. The test induced changes, i.e. the differences between the values before and after the test, in cortisol, (beta-endorphins and plasma lactate (LA) values after the test were significantly higher. This study showed that performing a strenuous exercise in hot, humid conditions in unacclimatised horses induced a reduction of the aerobic capacity, i.e. decrease of the V02 and increase of LA production. A relative hypoventilation could be partly responsible for this observation, but all the steps of the oxygen transport from the pulmonary ventilation to the muscle metabolism could also potentially be impaired in such conditions [less ▲]

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See detailLocalization of varicella-zoster virus nucleic acids and proteins in human skin.
Nikkels, Arjen ULg; Debrus, S.; Sadzot-Delvaux, Catherine ULg et al

in Neurology (1995), 45(12 Suppl 8), 47-9

The pathogenic mechanisms involved in varicella-zoster virus (VZV) infections remain elusive. The pattern of cutaneous distribution of the IE63 protein and of the gpI (gE) and gpII glycoproteins with ... [more ▼]

The pathogenic mechanisms involved in varicella-zoster virus (VZV) infections remain elusive. The pattern of cutaneous distribution of the IE63 protein and of the gpI (gE) and gpII glycoproteins with their corresponding genome sequences during VZV infections was studied by immunohistochemistry and in situ hybridization. Skin biopsy specimens were obtained from immunocompetent and immunocompromised patients with varicella, herpes zoster, or atypical VZV lesions. The first evidence for VZV infection consisted of the presence of IE63 in keratinocytes. In the vesicles and pustules, the viral transcripts gpI, gpII, and IE63 and the corresponding nucleic acids for gpI and gpII were identified in keratinocytes, sebocytes, Langerhans cells, dermal dendrocytes, monocytes/macrophages, and endothelial cells. The gpI and gpII glycorpoteins were essentially located on the cellular membranes while IE63 expression was generally restricted to the nuclei. In three biopsies of early herpes zoster, viral proteins were disclosed in dermal nerves and in perineurial type I dendrocytes. This was never encountered in varicella. Vasculitic changes and endothelial cell involvement were more prominent in varicella than in herpes zoster. It is concluded that the secondary viremia in varicella that affects the dermal endothelial cells is followed by a cell-to-cell spread to keratinocytes. In herpes zoster, the viral progression through cutaneous nerves primarily extends to the pilosebaceous units with a secondary involvement of epidermal keratinocytes, followed by a further spread to dermal cells. [less ▲]

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See detailNetherton’s syndrome in two sisters. A ten year experience of therapy with retinoids
Groves, S.; Dezfoulian, Bita ULg; Bonardeaux, Ch et al

in Journal of the European Academy of Dermatology & Venereology (1995)

Netherton’s syndrome is a recessive autosomal disease associating ichthyosiform dermatosis, hair dysplasia and systemic involvement. (Netherton, 1958, Arch. Dermatol., Vol. 78,483-487). We report the ... [more ▼]

Netherton’s syndrome is a recessive autosomal disease associating ichthyosiform dermatosis, hair dysplasia and systemic involvement. (Netherton, 1958, Arch. Dermatol., Vol. 78,483-487). We report the observation of two sisters who present the complete form of Netherton’s syndrome. Both patients were treated with retinoids for more than ten years. [less ▲]

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See detailLa grande illusion (le photojournalisme: quelques repères)
Mélon, Marc-Emmanuel ULg

in Admiranda : Cahiers d'Analyse Filmique de l'Université de Provence (1995), 10

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See detailIdentification of structural determinants controlling human and mouse stromelysin-3 proteolytic activities
Noël, Agnès ULg; Santavicca, M.; Stoll, I. et al

in Journal of Biological Chemistry (1995), 270

Matrix metalloproteinases (matrixins) constitute a group of extracellular proteinases belonging to the metzincin superfamily. They are involved in both physiological and pathological tissue remodeling ... [more ▼]

Matrix metalloproteinases (matrixins) constitute a group of extracellular proteinases belonging to the metzincin superfamily. They are involved in both physiological and pathological tissue remodeling processes, including those associated with cancer progression. Stromelysin-3, which is expressed in most invasive human carcinomas, is a matrix metalloproteinase with unusual functional properties. In particular, its mature form does not cleave any of the major extracellular matrix components. To define critical structural determinants involved in controlling stromelysin-3 proteolytic activity, we have used site-directed mutagenesis. We show that the deletion of at least 175 C-terminal amino-acids is sufficient to endow mouse stromelysin-3 with activities against casein, laminin, and type IV collagen. In the case of the human enzyme, however, a further and single Ala-235 Pro substitution is necessary to observe similar activities. Ala-235, which characterizes human stromelysin-3 among matrixins, is located immediately after the C terminus of the “Met-turn,” which forms a hydrophobic basis for the catalytic zinc atom in the metzincin family. We conclude that human stromelysin-3 has gained specific functional properties during evolution by amino acid substitution in the catalytic zinc environment, and that it represents an attractive target for specific inhibitors that may be used to prevent cancer progression. [less ▲]

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See detailRecension de l'ouvrage de Daniel Giovannangeli, "La passion de l'origine"
Steinmetz, Rudy ULg

in Revue Internationale de Philosophie (1995)

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See detailThe Kozani-Grevena (Greece) earthquake of May 13, 1995, Ms=6.6, Preliminary results of a field multidisciplinary survey
Hatzfeld, D.; Nord, J.; Paul, A. et al

in Seismological Research Letters (1995), 66

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See detailPrésence d'appendices mucoïdes sur les ascospores de Raciborskiella janeirensis (Müll. Arg.) R. Sant.
Roux, Claude; Sérusiaux, Emmanuël ULg

in Bulletin de la Société Linnéenne de Provence (1995), 46

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See detailApproche thérapeutique du cancer épithélial de l'ovaire au CHU Sart Tilman : Conclusions de la réunion interdisciplinaire du 22 mars 1995
Jerusalem, Guy ULg; Detroz, Bernard ULg; Herman, Philippe ULg et al

in Revue Médicale de Liège (1995), 50

Notre but est de définir une approche multidisciplinaire permettant d'offrir les meilleures chances de guérison ou de survie prolongée aux patientes. Nous nous sommes basés sur notre expérience ... [more ▼]

Notre but est de définir une approche multidisciplinaire permettant d'offrir les meilleures chances de guérison ou de survie prolongée aux patientes. Nous nous sommes basés sur notre expérience personnelle et les données actuelles de la littérature, tout en intégrant les approches innovatrices (ex : chimiothérapie intrapéritonéale précoce). Pour certaines patientes, le pronostic reste trop sombre avec un traitement standard et il nous semble important de leur proposer un traitement potentiellement plus efficace. [less ▲]

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See detailChimiosensibilité in vivo et in vitro de Plasmodium falciparum à Brazzaville (Congo)
Chandenier, Jacques; Ndounga, Mathieu; Carme, Bernard et al

in Santé : Cahiers d'Etude et de Recherches Francophones (1995), 5(1), 25-29

Various projects were launched in 1993 to monitor the chemosensitivity of Plasmodium falciparum in Congo. Resistance of 34 strains in Brazzaville to chloroquine, quinine and mefloquine and of 35 to ... [more ▼]

Various projects were launched in 1993 to monitor the chemosensitivity of Plasmodium falciparum in Congo. Resistance of 34 strains in Brazzaville to chloroquine, quinine and mefloquine and of 35 to halofantrine was investigated in an in vitro survey using an isotopic micro test. The resistance rates were 61.8, 14.7, 3.0 and 0.0% respectively. Thus, the chemoresistance which first appeared in 1990 is confirmed and is stable in the population. This finding was further confirmed by a parallel in vitro analysis of sensitivity to chloroquine in Brazzaville. A chloroquine monitoring network is now being established throughout the country based on simplified WHO tests of 100 asymptomatic schoolchildren conducted every six months. The first results in 1993, from three Southern regions indicate that parasites are found in 20 to 60% of cases seven days after a standard 3 day treatment with 25 mg/kg, according to the region. The results of in vitro and in vivo tests are very variable. Indeed, the value of such results for these tests for national monitoring is questionable: a more reliable system of identifying true therapeutic failures would be better suited. [less ▲]

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See detailLes participes présents féminins actifs dans l'Avesta
Swennen, Philippe ULg

in Annali (1995)

In Avestan, much feminine present participles in the active voice are problematic. However, the behaviour of the epenthesis of the feminine suffix is quite perfectly regular.

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See detailSerological and cutaneous testing of bovine tuberculosis with the A60 antigen complex from Mycobacterium bovis, strain Calmette-Guérin
Saegerman, Claude ULg

in Preventive Veterinary Medicine (1995), 23

A60, a major thermostable macromolecular antigen complex of Mycobacterium bovis strain Calmette-Guerin (BCG), is immunodominant in tuberculosis and able to elicit both humoral and cellular immune ... [more ▼]

A60, a major thermostable macromolecular antigen complex of Mycobacterium bovis strain Calmette-Guerin (BCG), is immunodominant in tuberculosis and able to elicit both humoral and cellular immune reactions in infected hosts. A60-based ELISA and cutaneous tests have been used, in conjunction with the PPD-based skin reaction, in a control group of healthy animals, and in a herd including tuberculous animals. Cutaneous testing with A60 yielded results comparable with those with PPD: both were negative with control cattle and positive with infected animals. Moreover, comparative cutaneous testing with avian tuberculin yielded similar results with PPD and A60. When animals from the infected herd were tested with both avian and bovine sensitins, 54% of cattle were diagnosed as fully positive, 26% suspect, and 20% negative. Serological analysis with the A60-ELISA of part of the infected herd yielded 74% positive, 21% suspect and 5% negative results. Thus, positivity was 74% for serological analysis and 54% for cutaneous testing, whereas positive plus suspect results were 95% for serological analysis and 80% for cutaneous testing. It can be concluded that A60 can be used in place of PPD for cutaneous testing in cattle, and that the diagnostic value of the A60-ELISA is superior to that of the PPD-cutaneous test. [less ▲]

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See detailEndogenous reproductive hormones and nocturnal rhythms in partner preference and sexual behavior of ATD-treated male rats.
Bakker, Julie ULg; van Ophemert, J.; Timmerman, M. A. et al

in Neuroendocrinology (1995), 62(4), 396-405

Male rats received subcutaneously silastic capsules, containing the aromatase inhibitor 1,4,6-androstatriene-3,17-dione (ATD), shortly after birth. Control males were given silastic capsules containing ... [more ▼]

Male rats received subcutaneously silastic capsules, containing the aromatase inhibitor 1,4,6-androstatriene-3,17-dione (ATD), shortly after birth. Control males were given silastic capsules containing cholesterol. The capsules were removed at the age of 21 days. In adulthood, blood serum was collected early and late in the dark phase of the light/dark cycle (experiment I). Testosterone and luteinizing hormone and follicle stimulating hormone (FSH) fluctuated nocturnally, both in ATD and control males, with highest levels late in the dark phase. FSH levels were significantly higher in ATD males. Nocturnal levels of inhibin, a selective suppressor of pituitary FSH secretion, also fluctuated in both ATD and control males, with lowest levels late in the dark phase. In experiment II, ATD and control males were tested for partner preference behavior in a three-compartment box (choice: sexually active male vs. estrous female) early and late in the dark phase. When gonadally intact, ATD males, but not controls, showed a clear nocturnal rhythmicity in partner preference behavior and sexual behavior. Early in the dark phase, such ATD males preferred the vicinity of and interaction with a sexually active male. Late in the dark phase, this preference for the active male shifted to a preference for the estrous female. Control males preferred the estrous female. After castration and subsequent treatment with testosterone via silastic capsules, which ensured constant blood serum levels, ATD males continued to show their nocturnal rhythms in partner preference behavior and in sexual behavior. Thus, the underlying mechanism of the nocturnal rhythmicity phenomenon is an organizational effect of neonatal ATD treatment rather than an activational effect of fluctuating serum hormone levels. [less ▲]

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See detailTRANSPORT STUDY OF BA-DEFICIENT THIN-FILM Y123 SUPERCONDUCTORS ENRICHED WITH NA
PEKALA, M.; Bougrine, Hassan ULg; AZOULAY, J. et al

in Superconductor Science & Technology (1995), 8(8), 660-666

Nominal Y0.3Ba0.6Na0.1CuO3-delta thin films were prepared with small grains having an orientation of the c axis perpendicular to the MgO substrate. The electrical resistivity and the thermoelectric power ... [more ▼]

Nominal Y0.3Ba0.6Na0.1CuO3-delta thin films were prepared with small grains having an orientation of the c axis perpendicular to the MgO substrate. The electrical resistivity and the thermoelectric power in the absence and in the presence of a magnetic field are reported. The magnetic field dependence of the irreversibility line is discussed. The role of the field for disentangling intragrain and intergrain effects in both coefficients is emphasized. [less ▲]

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See detailBiologie de la reproduction de deux espèces de Chrysichthys (Siliuriforme, Bagridae) du Lac Nokoué et de la lagune de Porto-Novo au Bénin.
Laleye, P.; Philippart, Jean-Claude ULg; Poncin, Pascal ULg

in Journal of African Zoology = Revue de Zoologie Africaine (1995), 109(3), 213-224

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See detailUrbanisme commercial et géographie
Merenne-Schoumaker, Bernadette ULg

in Revue Belge de Géographie (1995), 2(59), 307-315

The paper proposes a short reflection on the commercial planning issue. Five points will be considered : a definition of the urban planning field, a presentation of the methodological problems, the ... [more ▼]

The paper proposes a short reflection on the commercial planning issue. Five points will be considered : a definition of the urban planning field, a presentation of the methodological problems, the underscoring of the five major current challenges (new balance city center - out of town, central areas revival, traditional unplanned shopping center maintenance (or revival), local and neighbourhood centers maintenance, out of town developments planning), the first steps towards a new commercial policy, the analysis of the connections between commercial planning and geography. [less ▲]

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See detailConfirmation bias as a social skill
Dardenne, Benoît ULg; Leyens, J.

in Personality & Social Psychology Bulletin (1995), 21

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See detailNumber and relative size of thenar motor units estimated by an adapted multiple point stimulation method.
Wang, François-Charles ULg; Delwaide, Paul ULg

in Muscle & nerve (1995), 18(9), 969-79

An adapted multiple point stimulation (AMPS) method is described for estimating the number and relative size of thenar motor units. With this method, the median nerve was stimulated at various sites from ... [more ▼]

An adapted multiple point stimulation (AMPS) method is described for estimating the number and relative size of thenar motor units. With this method, the median nerve was stimulated at various sites from the wrist to the elbow. To avoid alternation, only two or three clearly identifiable surface-recorded motor unit action potentials (S-MUAPs) were recruited at each point by incremental stimulation. A total of 10 S-MUAPs, elicited from four to five distinct stimulation points, was used to calculate the average S-MUAP size. By dividing the maximum M-potential size by that value, a motor unit number estimate (MUNE) was derived. In 59 healthy volunteers, from 19 to 87 years old, the mean average S-MUAP size was 87 +/- 27.6 microV.ms and the mean MUNE was 278 +/- 113 motor units. When performed repeatedly, the results were reproducible. The number of motor units declined exponentially with age while average S-MUAP sizes increased only moderately. To assess the validity of the AMPS method, its results were correlated with those obtained using the F-response technique. The correlation coefficient was 0.83 (P < 0.001). [less ▲]

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See detailPulmonary function changes induced by three regimens of bronchodilating agents in calves with acute respiratory distress syndrome
Genicot, Bruno; Close, Roland; Lindsey, J. K. et al

in Veterinary Record : Journal of the British Veterinary Association (1995), 137(8), 183-186

Two aerosolised bronchodilators, one sympathomimetic and one parasympatholytic, were tested either alone or in combination for their ability to improve the pulmonary function of double-muscled calves ... [more ▼]

Two aerosolised bronchodilators, one sympathomimetic and one parasympatholytic, were tested either alone or in combination for their ability to improve the pulmonary function of double-muscled calves suffering from acute respiratory distress syndrome. In control animals treated with 0.9 per cent saline the parameters of pulmonary function and signs of clinical distress did not change significantly within the hour following the first treatment. Among the other animals, both at one hour and seven days after the first treatment, the most clinical improvement was observed in the animals treated with both bronchodilators and the least in the animals treated with clenbuterol hydrochloride. One hour after the first treatment the respiratory system compliance of the animals treated with ipratropium bromide and the arterial oxygen tension of the animals treated with both bronchodilators were significantly enhanced. After seven days the resistive parameters, the rectal temperature and the respiratory rate were also significantly improved in the animals treated with ipratropium bromide or both bronchodilators whereas only the respiratory rate and rectal temperature were significantly reduced in the animals treated with clenbuterol hydrochloride. [less ▲]

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See detailA magnetic resonance imaging approach for the diagnosis of a triplet cornual pregnancy.
Bassil, Salim; Gordts, Stéphane; NISOLLE, Michelle ULg et al

in Fertility and Sterility (1995), 64(5), 1029-31

Objectives: To describe a rare case of triplet cornual pregnancy after IVF-ET and to assess the role of magnetic resonance imaging (MRI) for early diagnosis. DESIGN: Case report. SETTING: Infertility and ... [more ▼]

Objectives: To describe a rare case of triplet cornual pregnancy after IVF-ET and to assess the role of magnetic resonance imaging (MRI) for early diagnosis. DESIGN: Case report. SETTING: Infertility and IVF Unit, in an university medical center. PATIENT: A 31-year-old healthy patient with a 3-year history of primary male infertility. INTERVENTION: Standard IVF-ET treatment cycle, using a GnRH-agonist (long protocol) and hMG for ovarian stimulation. RESULTS: A cornual triplet pregnancy is described with the approach for the diagnosis. Magnetic resonance imaging was complementary to endovaginal sonography for early diagnosis and permitted a timed conservative management. CONCLUSIONS: When transvaginal ultrasound findings did not provide an accurate location of the pregnancy, MRI was indicated to confirm the diagnosis. [less ▲]

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See detailGeographical research in Belgium : remote sensing and photo-interpretation
Donnay, Jean-Paul ULg; Wilmet, Jules

in Bulletin de la Société Belge d'Etudes Géographiques (1995), 2

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See detailCell surface binding of TIMP-2 and pro-MMP-2/TIMP-2 complex
Emmert-Buck, M. R.; Emonard, H. P.; Corcoran, M. L. et al

in FEBS Letters (1995), 364(1), 28-32

Tissue inhibitor of metalloproteinases (TIMP-2) is a low molecular weight proteinase inhibitor capable of inhibiting activated matrix metalloproteinases (MMPs). TIMP-2 is found both free and in a 1:1 ... [more ▼]

Tissue inhibitor of metalloproteinases (TIMP-2) is a low molecular weight proteinase inhibitor capable of inhibiting activated matrix metalloproteinases (MMPs). TIMP-2 is found both free and in a 1:1 stoichiometric complex with the pro-enzyme form of MMP-2 (pro-MMP-2/TIMP-2 complex). We have measured the binding of recombinant TIMP-2 to intact HT-1080 and MCF-7 cells. HT-1080 cells in suspension bound 125I-labeled rTIMP-2 with a Kd of 2.5 nM and 30,000 sites/cell. Monolayers of MCF-7 cells were similarly found to bind [125I]rTIMP-2 with a Kd of 1.6 nM and 25,000 sites/cell. Specific binding of MMP-2 alone to HT-1080 cells was not observed; however, pro-MMP-2/TIMP-2 complex was capable of binding to the surface of HT-1080 cells in a TIMP-2-dependent manner. Binding of rTIMP-2 was not competed by the presence of TIMP-1. These results suggest that rTIMP-2 alone binds directly to the cell surface of HT-1080 and MCF-7 cell lines, and TIMP-2 is capable of localizing MMP-2 to the surface of HT-1080 cells via interaction with a specific binding site. [less ▲]

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See detailLes troubles obsessionnels compulsifs
Triffaux, Jean-Marc ULg

in stratégie thérapeutique (1995)

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See detailProximal Migration of Vena Caval Filters: Report of Two Cases with Operative Retrieval
DEFRAIGNE, Jean ULg; Vahdat, Olivier; Lacroix, Hendrik et al

in Annals of Vascular Surgery (1995), 9(6), 571-5

Operative retrieval of two proximally migrated vena caval filters was performed in two patients, ages 42 and 45 years, respectively. In the first patient the filter was encrusted in the right ventricle ... [more ▼]

Operative retrieval of two proximally migrated vena caval filters was performed in two patients, ages 42 and 45 years, respectively. In the first patient the filter was encrusted in the right ventricle, and in the second one the filter was found in the pulmonary artery. Both filters were retrieved under cardiopulmonary bypass via an incision in the right atrium and the pulmonary artery, respectively. These two observations underscore the risk of increased unwarranted indications and consequent higher complication rates of vena caval filters. [less ▲]

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See detailAssessment of glucose metabolism in humans with the simultaneous use of indirect calorimetry and tracer techniques.
Tappy, L.; Paquot, Nicolas ULg; Tounian, P. et al

in Clinical Physiology (1995), 15(1), 1-12

Concomitant measurements of sytemic glucose delivery and carbohydrate oxidation are frequently performed in human investigations. Systemic glucose delivery (SGD) is usually determined using dilution of ... [more ▼]

Concomitant measurements of sytemic glucose delivery and carbohydrate oxidation are frequently performed in human investigations. Systemic glucose delivery (SGD) is usually determined using dilution of infused glucose tracers; net carbohydrate oxidation rate (net CHOOX) can be calculated from respiratory gas exchanges and urinary nitrogen excretion (indirect calorimetry); alternatively, glucose oxidation can be measured from labelled CO2 production during infusion of carbon-labelled glucose tracers. In this paper, the theory underlying the use of each of these techniques is briefly reviewed and qualitative differences are outlined. SGD represents the sum of hepatic glucogenolysis, gluconeogenesis from amino acids or glycerol, and, according to the glucose tracer used, glucose cycles (glucose-phosphate cycle, fructose-phosphate cycle, Cori and glucose-alanine cycles); systemic delivery of exogenous glucose after oral or i.v. glucose administration is also measured. Net CHOOX represents oxidation of glucose arising from hepatic or muscle glycogen or from exogenous glucose; it does not take into account oxidation of glucose formed from amino acids or glycerol, which is included in net protein or lipid oxidation. In contrast, isotopic determination of glucose oxidation corresponds to oxidation of glucose originating from hepatic glycogen breakdown, of exogenously administered glucose, and of glucose formed from amino acids and glycerol. Non-oxidative glucose disposal, calculated as SGD-net CHOOX, corresponds to the sum of gluconeogenesis from amino acids or glycerol (which are included in net protein and lipid oxidation), glucose cycles, and glycogen synthesis. [less ▲]

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See detailPriming production of people's names
Valentine, T.; Moore, V.; Brédart, Serge ULg

in Quarterly Journal of Experimental Psychology (1995), 48A

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See detailRadiochirurgie et radiothérapie stéréotaxique
Coucke, Philippe ULg; FANKHAUSER

in Médecine et Hygiène (1995), 53(2088), 2002--2009

La radiochirurgie, appelée radiothérapie stéréotaxique lorsqu'il s'agit d'un traitement fractionné, s'effectue en Suisse depuis 1993, soit par accélérateur linéaire modifié, soit par Gamma Knife. Par ... [more ▼]

La radiochirurgie, appelée radiothérapie stéréotaxique lorsqu'il s'agit d'un traitement fractionné, s'effectue en Suisse depuis 1993, soit par accélérateur linéaire modifié, soit par Gamma Knife. Par cette technique on arrive à administrer une dose élevée de radiations à des lésions intracrâniennes circonscrites d'une taille de 3 à 4 cm au maximum, tout en ménageant les tissus normaux avoisinants. Lorsque les lésions sont plus grandes, mal délimitées, ou de forme irrégulière, c'est la radiothérapie conventionnelle et conformationnelle qui offre une meilleure répartition des doses. Les principales lésions considérées pour la radiochirurgie sont les malformations artérioveineuses, les métastases cérébrales solitaires, les méningiomes de la base, les schwannomes vestibulaires et certaines récidives focales de gliomes. [less ▲]

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See detailPhospholipid-Binding And Lecithin-Cholesterol Acyltransferase Activation Properties Of Apolipoprotein-A-I Mutants
Holvoet, P.; Zhao, Za.; Vanloo, B. et al

in Biochemistry (1995), 34(41), 13334-42

Recombinant human apolipoprotein A-I (apo A-I) and three deletion mutants: apo A-I(delta Leu44-Leu126), apo A-I(delta Glu139-Leu170), and apo A-I(delta Ala190-Gln243), purified from the periplasmic space ... [more ▼]

Recombinant human apolipoprotein A-I (apo A-I) and three deletion mutants: apo A-I(delta Leu44-Leu126), apo A-I(delta Glu139-Leu170), and apo A-I(delta Ala190-Gln243), purified from the periplasmic space of Escherichia coli, were studied. The rate of turbidity decrease following mixing of apo A-I(delta Ala190-Gln243) with dimyristoylphosphatidylcholine (DMPC) vesicles at 23 degrees C was 10-fold lower than that of the other apo A-I proteins, confirming that the carboxy-terminal region of apo A-I plays a role in rapid lipid binding. The Stokes radii of reconstituted high-density lipoproteins (rHDL), containing dipalmitoylphosphatidylcholine and cholesterol, were larger for the three apo A-I mutants [6.3 nm for apo A-I(delta Leu44-Leu126), 6.1 nm for apo A-I(delta Glu139-Leu170), and 6.5 nm for apo A-I(delta Ala190-Gln243)] than for intact apo A-I (5.0 nm). The mutant rHDL all contained 4 apo A-I molecules per particle as compared to 2 for intact apo A-I. Circular dichroism measurements revealed 8 alpha-helices per apo A-I molecule, 5 per apo A-I(delta Leu44-Leu126), 6 per apo A-I(delta Glu139-Leu170), and 4 per apo A-I(delta Ala190-Gln243) molecule as compared to predicted values of 8, 5, 6, and 6 alpha-helices, respectively. [less ▲]

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See detailComparison of six serum ferritin immunoassays and isoferritin spectrotypes in malignancies
Vernet, M.; Renversez, J. C.; Lasne, Y. et al

in Annales de Biologie Clinique (1995), 53

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See detailLa pratique du traitement de texte appliquée à la conception de documents scientifiques
Deltenre, Alain; Claustriaux, Jean-Jacques ULg; Austraet, J.

in Notes de Statistique et d'Informatique (1995), (1), 1-27

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See detailExpertise scientifique et action publique : le cas du changement climatique dans trois pays européens
Mormont, Marc ULg; Dasnoy, Christine ULg

in Natures Sciences Sociétés (1995), 3(&), 16-25

L'expertise scientifique du changement climatique fait l'objet d'une réception très différente en France, en Allemagne et en Belgique. cet état de fait semble lié à la fois à des configurations politiques ... [more ▼]

L'expertise scientifique du changement climatique fait l'objet d'une réception très différente en France, en Allemagne et en Belgique. cet état de fait semble lié à la fois à des configurations politiques différentes, à des procédures spécifiques mais aussi aux stratégies des scientifiques lesquelles dépendent de leur anticipation de cette réception. Cette stratégie des "sources" d'information ne laisse pas de poser des questions sur l'expertise. [less ▲]

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