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See detailUn prince en faillite. Jean de Flandre, évêque de Metz (1279/80-1282), puis de Liège (1282-1291)
Marchandisse, Alain ULg

Book published by Académie royale de Belgique - Commission royale d'Histoire (1997)

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See detailActivation of the transcription factor NF-kappaB in lipopolysaccharide-stimulated U937 cells
Legrand-Poels, Sylvie ULg; Maniglia, Salvator; Boelaert, J. R. et al

in Biochemical Pharmacology (1997)

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See detailDifferential expression of c-fos, Hsp70 and Hsp27 after photothrombotic injury in the rat brain.
Plumier, Jean-Christophe ULg; Armstrong, J. N.; Wood, N. I. et al

in Molecular Brain Research (1997), 45(2), 239-46

In situ hybridization and immunohistochemistry were used to examine the expression of c-fos, Hsp70 and Hsp27 following photothrombotic injury in the right fronto-parietal cortex of the rat. C-fos mRNA and ... [more ▼]

In situ hybridization and immunohistochemistry were used to examine the expression of c-fos, Hsp70 and Hsp27 following photothrombotic injury in the right fronto-parietal cortex of the rat. C-fos mRNA and protein were detected in the entire cerebral cortex on the lesioned side. Hsp70 mRNA accumulation was observed only adjacent and peripheral to the site of the lesion. At 1 h after photothrombotic injury, Hsp70 expression delineates the area of necrosis at 24 h after photothrombotic injury. Hsp27 protein was observed in the ipsilateral cerebral cortex with the exception of the deep layers of the cingulate cortex. In addition, while c-Fos immunoreactivity was localized in cell nuclei, Hsp27 immunoreactivity was detected in the cytoplasm of astrocytes. These results demonstrate that unilateral cortical injury induces changes in gene expression that vary according to cell type and brain region. [less ▲]

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See detailCortical application of potassium chloride induces the low-molecular weight heat shock protein (Hsp27) in astrocytes.
Plumier, Jean-Christophe ULg; David, Jean-Claude; Robertson, H. A. et al

in Journal of Cerebral Blood Flow & Metabolism (1997), 17(7), 781-90

Spreading depression induces tolerance to ischemic injury, and ischemic tolerance has been associated with expression of heat shock proteins (Hsp). Here we examine Hsp27 expression after KCl-induced ... [more ▼]

Spreading depression induces tolerance to ischemic injury, and ischemic tolerance has been associated with expression of heat shock proteins (Hsp). Here we examine Hsp27 expression after KCl-induced spreading depression. Twenty-minute cortical KCl application induced Hsp27 immunoreactivity in glial fibrillary acidic protein-positive astrocytes of the ipsilateral neocortex. Systemic administration of MK-801 (3 mg/kg) suppressed KCl-induced Hsp27 expression in the parietal cortex. Astrocytes in the posterior cingulate and retrosplenial cortex did not express Hsp27 after KCl application but did express Hsp27 after systemic administration of high dose MK-801 (9 mg/kg). Whereas Hsp27 was usually observed in all layers of the parietal cortex after 5-minute application of KCl, in 2 of 6 rats, Hsp27 was seen in clusters of astrocytes or in astrocytes in the superficial layers I to III of the parietal cortex. We conclude that (1) cortical application of KCl triggered Hsp27 astrocytic expression; (2) astrocytes in the cingulate and retrosplenial cortex responded differently compared with astrocytes of the parietal cortex; (3) Hsp27 expression progressed from small clusters of astrocytes throughout superficial layers of the cortex that joined and recruited astrocytes in deeper layers; (4) several mechanisms induced Hsp27 astrocytic expression. We propose that Hsp27 is involved in spreading depression-induced ischemic tolerance through protection of astrocyte function. [less ▲]

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See detailConstitutive expression of the 27-kDa heat shock protein (Hsp27) in sensory and motor neurons of the rat nervous system.
Plumier, Jean-Christophe ULg; Hopkins, D. A.; Robertson, H. A. et al

in Journal of Comparative Neurology (The) (1997), 384(3), 409-28

In this study, the constitutive expression of the 27-kDa heat shock protein (Hsp27) in the adult rat central nervous system has been examined by immunohistochemistry and by two-dimensional gel Western ... [more ▼]

In this study, the constitutive expression of the 27-kDa heat shock protein (Hsp27) in the adult rat central nervous system has been examined by immunohistochemistry and by two-dimensional gel Western blot analysis. Hsp27 immunoreactivity was observed primarily in motoneurons of cranial nerve nuclei and spinal cord, and in primary sensory neurons and their central processes. Also, Hsp27 immunoreactivity was present in neurons of the arcuate nucleus and of the reticular formation. However, only a subset of these neurons was Hsp27-immunoreactive. Most general somatic efferent motoneurons of the hypoglossal nucleus and spinal motor columns and most special visceral efferent motoneurons of the cranial nerve nuclei were Hsp27-positive. In contrast, fewer general somatic efferent motoneurons for eye muscles were Hsp27-positive, and only a small proportion of general visceral efferent neurons, i.e., parasympathetic and sympathetic preganglionic neurons, were stained for Hsp27. Many pseudounipolar sensory neurons were Hsp27-immunoreactive, and the patterns of staining in central sensory nuclei suggested that specific subpopulations of sensory neurons contained Hsp27. The cellular distribution of Hsp27 was uniform throughout the cytoplasm, including the perikaryon, axon and dendrites, the latter often exhibiting varicosities or beading in distal processes. Western blot analyses revealed that at least three phosphorylated isoforms of Hsp27 were present in the spinal cord. These results suggest that constitutively expressed Hsp27 may be related to functional subpopulations of motoneurons and primary sensory neurons. [less ▲]

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See detailTransgenic mice expressing the human inducible Hsp70 have hippocampal neurons resistant to ischemic injury.
Plumier, Jean-Christophe ULg; Krueger, A. M.; Currie, R. W. et al

in Cell Stress & Chaperones (1997), 2(3), 162-7

Using transgenic mice constitutively expressing the human inducible Hsp70, we examined the role of Hsp70 on cell survival after focal cerebral ischemia. Twenty-four hours after permanent occlusion of the ... [more ▼]

Using transgenic mice constitutively expressing the human inducible Hsp70, we examined the role of Hsp70 on cell survival after focal cerebral ischemia. Twenty-four hours after permanent occlusion of the middle cerebral artery, no difference in infarct area was detected between Hsp70-transgenic and non-transgenic mice. In the non-transgenic mice, many pyramidal neurons of the ipsilateral hippocampus were observed to be pyknotic. However, in all Hsp70-transgenic mice, hippocampal pyramidal neurons showed normal morphology and no evidence of pyknosis. This suggests that constitutive expression of Hsp70 reduces the extent of damage following permanent middle cerebral artery occlusion. [less ▲]

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See detailPeriodontal infections as potential risk factors for coronary heart diseases
Geerts, Sabine ULg; Legrand, Victor; Rompen, Eric ULg

in Journal of Clinical Periodontology (1997), 11

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See detailSaint Quirin de Malmedy. Pour une histoire de son culte
George, Philippe ULg

in George, Philippe (Ed.) Malmedy. Art & Histoire (1997)

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See detail"Saint Lambert au banquet de Jupille". Auguste Chauvin (1810-1884) et la peinture d'histoire
George, Philippe ULg

in Bulletin de la Société Royale Le Vieux-Liège (1997), T. XIII, n° 276

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See detailPhenylarsine oxide inhibits ex vivo HIV-1 expression
Edeas, M.; Arbault, S.; Legrand-Poels, Sylvie ULg et al

in Biomedicine & Pharmacotherapy (1997)

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See detailImaging the solar corona in the EUV
Delaboudiniere, J.-P.; Stern, R. A.; Maucherat, A. et al

in Advances in Space Research (1997), 20

The SOHO (SOlar and Heliospheric Observatory) satellite was launched on December 2nd 1995. After arriving at the Earth-Sun (L1) Lagrangian point on February 14th 1996, it began to continuously observe the ... [more ▼]

The SOHO (SOlar and Heliospheric Observatory) satellite was launched on December 2nd 1995. After arriving at the Earth-Sun (L1) Lagrangian point on February 14th 1996, it began to continuously observe the Sun. As one of the instruments onboard SOHO, the EIT (Extreme ultraviolet Imaging Telescope) images the Sun's corona in 4 EUV wavelengths. The He II filter at 304 AË images the chromosphere and the base of the transition region at a temperature of 5 - 8 x 10^4 K; the Fe IX-X filter at 171 AË images the corona at a temperature of ~ 1.3 x 10^6 K; the Fe XII filter at 195 AË images the quiet corona outside coronal holes at a temperature of ~ 1.6 x 10^6 K; and the Fe XV filter at 284 AË images active regions with a temperature of ~ 2.0 x 10^6 K. About 5000 images have been obtained up to the present. In this paper, we describe also some aspects of the telescope and the detector performance for application in the observations. Images and movies of all the wavelengths allow a look at different phenomena present in the Sun's corona, and in particular, magnetic field reconnection. [less ▲]

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See detail31P Labeled cyclic nitrones : a new class of spin traps for free radicals in biological milieu
Barbati, Stéphane; Clément, Jean Louis; Olive, Gilles ULg et al

in Minisci, Francesco (Ed.) Free Radicals in Biology and Environment (1997)

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See detailNon délivrance et infécondité: intérêts de l’étiproston et du dosage de la PAGI (pregnancy-associated glycoprotein I) au cours du postpartum chez la vache.
Zaiem, I.; Tainturier, D.; Ben Othmen, H. et al

in Revue de Médecine Vétérinaire (1997), 148(8-9), 725-732

Sixty Prim'holstein cows with retained placenta for more than 24 hours after parturition, were shared in three groups of 20 cows each. All cows were delivred manually 24 to 36 hours post partum and ... [more ▼]

Sixty Prim'holstein cows with retained placenta for more than 24 hours after parturition, were shared in three groups of 20 cows each. All cows were delivred manually 24 to 36 hours post partum and received local treatment with 1 g of oxytetracyclin. Cows in group 1 received two intra-muscular injections of 5 mg etiproston on day of manual delivery (D1) and 15 days after (D15). Cows on group II received only one etiproston administration (D1), and cows in group III remained untreated. Ratios of delayed uterine involution were respectively 20, 40 and 55 % in groupsI,II and III(I<0.05;II<0.005). PAGI concentrations were checked 15 days after parturition and were significantly higher in cows affected by delayed uterine involution (p < 0.05). V-IAF intervals were significantly (p < 0.05) different between groups I (58 days), II (102 days) and III(143 days). [less ▲]

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See detailUtilisation de l'habitat par la sérotine commune Eptesicus serotinus en Lorraine belge
Kervyn, Thierry; Brasseur, Jasmine; Libois, Roland ULg

in Bulletin de la Société Neuchâteloise des Sciences Naturelles (1997), 120(2), 35-41

The radiotracking of 10 serotine bats during a period of 73 nights shows that the animals hunt mainly at forest edges and above meadows. The mean distance between the main diurnal roost and hunting ... [more ▼]

The radiotracking of 10 serotine bats during a period of 73 nights shows that the animals hunt mainly at forest edges and above meadows. The mean distance between the main diurnal roost and hunting grounds is 2.1 +/- 1.2 km (n = 24). Secondary diurnal roosts are used within a radius of 250 m of the main diurnal quarters. Nocturnal resting places are situated in beech forests (Fagus sylvatica) near feeding areas. The activity area (minumum area method) of radiotracked serotine bats, all originating from the same colony, stretches to 15.8 km². [less ▲]

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See detailL'archéologie des pans-de-bois
Hoffsummer, Patrick ULg

in Archaeologia mediaevalis (1997), 20

This a presentation to stimulate the interest to timber framed buildings in south Belgium with a new approach which combine building archaeology and tree rings dating.

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See detailInvolvement of different transduction pathways in NF-kappaB activation by several inducers
Legrand-Poels, Sylvie ULg; Zecchinon, Laurent; Piret, Bernard et al

in Free Radical Research (1997)

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See detailL’Heure du nègre : L’Afrique recomposée de Simenon
Denis, Benoît ULg

in Traces. Travaux du Centre d'Etudes Georges Simenon (1997), (9), 263-280

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See detailAutomatic Target Recognition for LADAR Imagery Using Functional Templates Derived From 3-D CAD Models
Verly, Jacques ULg; Lacoss, Richard T.

in Firschein, O.; Strat, T. (Eds.) Reconnaissance, Surveillance, and Target Acquisition for the Unmanned Ground Vehicle: Providing Surveillance ’Eyes’ for an Autonomous Vehicle (1997)

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See detailDetection of newly-synthetized RNAs in cell nuclei by a non-isotopic method using bromouridine
Nizet, S; Thiry, Marc ULg; Goessens, G

Poster (1997)

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