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See detailAntigens
Van Regenmortel, M; Tellam, R; Manteca, C et al

in Pastoret, PP; Blancou, J; Vannier, P (Eds.) et al Veterinary Vaccinology (1997)

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See detailAntigens of the basement membrane and the peritumoral stroma in human colonic adenocarcinomas: an immunofluorescence study.
Burtin, P.; Chavanel, G.; Foidart, Jean-Michel ULg et al

in International Journal of Cancer = Journal International du Cancer (1982), 30(1), 13-20

Twenty colonic adenocarcinomas were studied by immunofluorescence with antisera against components of the basement membrane: type IV collagen, laminin and heparan sulfate-rich proteoglycan, as well as ... [more ▼]

Twenty colonic adenocarcinomas were studied by immunofluorescence with antisera against components of the basement membrane: type IV collagen, laminin and heparan sulfate-rich proteoglycan, as well as antisera against antigens of the connective tissue: type-III collagen, fibronectin and hyaluronectin. Marked alterations of the basement membranes were consistently observed on staining with each one of the first three antisera. In contrast, staining of the normal components of connective tissue was in most cases as intense as in normal colonic mucosa. Hyaluronectin, a marker of peritumoral stroma, was found to be present in 12 out 15 tumors studied. [less ▲]

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See detailHet antigif. Maar is het nog op tijd?
Meesters, Gert ULg

in Over Taal (1999), 38(1), 35-36

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See detailAntigone et Manon s’invitent en droit social. Quelques propos sur la légalité de la preuve
Kefer, Fabienne ULg

in Revue Critique de Jurisprudence Belge (2009), 3

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See detailAntihyperglycaemic agents. Drug interactions of clinical importance.
Scheen, André ULg; Lefebvre, Pierre ULg

in Drug Safety : An International Journal of Medical Toxicology & Drug Experience (1995), 12(1), 32-45

Non-insulin-dependent (type 2) diabetes mellitus (NIDDM) affects middle-aged or elderly people who frequently have several other concomitant diseases, especially obesity, hypertension, dyslipidaemias ... [more ▼]

Non-insulin-dependent (type 2) diabetes mellitus (NIDDM) affects middle-aged or elderly people who frequently have several other concomitant diseases, especially obesity, hypertension, dyslipidaemias, coronary insufficiency, heart failure and arthropathies. Thus, polymedication is the rule in this population, and the risk of drug interactions is important, particularly in elderly patients. The present review is restricted to the interactions of other drugs with antihyperglycaemic compounds, and will not consider the mirror image, i.e. the interactions of antihyperglycaemic agents with other drugs. Oral antihyperglycaemic agents include sulphonylureas, biguanides--essentially metformin since the withdrawn of phenformin and buformin--and alpha-glucosidase inhibitors, acarbose being the only representative on the market. These drugs can be used alone or in combination to obtain better metabolic control, sometimes with insulin. Drug interactions with antihyperglycaemic agents can be divided into pharmacokinetic and pharmacodynamic interactions. Most pharmacokinetic studies concern sulphonylureas, whose action may be enhanced by numerous other drugs, thus increasing the risk of hypoglycaemia. Such an effect may result essentially from protein binding displacement, inhibition of hepatic metabolism and reduction of renal clearance. Reduction of the hypoglycaemic activity of sulphonylureas due to pharmacokinetic interactions with other drugs appears to be much less frequent. Drug interactions leading to an increase in plasma metformin concentrations, mainly by reducing the renal excretion or the hepatic metabolism of the biguanide, should be avoided to limit the risk of hyperlactaemia. Owing to its mode of action, pharmacokinetic interferences with acarbose are limited to the gastrointestinal tract, but have not been extensively studied yet. Pharmacodynamic interactions are quite numerous and may result in a potentiation of the hypoglycaemic action or, conversely, in a deterioration of blood glucose control. Such interactions may be observed whatever the type of antidiabetic treatment. They result from the intrinsic properties of the coprescribed drug on insulin secretion and action, or on a key step of carbohydrate metabolism. Finally, a combination of 2 to 3 antihyperglycaemic agents is common for treating patients with NIDDM to benefit from the synergistic effect of compounds acting on different sites of carbohydrate metabolism. Possible pharmacokinetic interactions between alpha-glucosidase inhibitors and classical antidiabetic oral agents should be better studied in the diabetic population. [less ▲]

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See detailAntihyperglycémiants, antihypertenseurs et hypolipidémiants : comparaison des effets sur la mortalité et la morbidité cardiovasculaire chez le patient diabétique de type 2
SCHEEN, André ULg

Poster (2016, March)

Introduction : Réduire le risque de mortalité et morbidité cardiovasculaire (CV) chez le patient diabétique de type 2 (DT2) est primordial, mais les effets protecteurs semblent différents selon le mode ... [more ▼]

Introduction : Réduire le risque de mortalité et morbidité cardiovasculaire (CV) chez le patient diabétique de type 2 (DT2) est primordial, mais les effets protecteurs semblent différents selon le mode d’intervention pharmacologique étudié. Patients et méthodes : Les données de mortalité (totale et CV) et morbidité (infarctus du myocarde ou IDM, accidents vasculaires cérébraux ou AVC) rapportées (réduction du risque relatif) dans les essais ayant testé un traitement anti-hyperglycémiant sont comparées avec les résultats publiés dans deux méta-analyses concernant les hypolipidémiants et les anti-hypertenseurs consacrées au DT2. Résultats : Les antihypertenseurs réduisent les IDM (-12%) et la mortalité globale (-13%) de façon comparable, et diminuent davantage les AVC (-27%). Les hypolipidémiants diminuent davantage les IDM (- 22%) et les AVC (-21%) que la mortalité globale (-9%) (ou la mortalité CV : - 13%). Les données concernant les antihyperglycémiants diffèrent considérablement selon les médications testées. L’insuline et les sulfamides (UKPDS) réduisent plus les IDM (- 21%) que la mortalité totale (-8%), mais augmentent les AVC (+ 14%). La metformine (UKPDS) réduit, de façon comparable, les IDM (-39%), les AVC (-41%) et la mortalité totale (-36%). La pioglitazone (PROactive) diminue davantage les IDM (-17%) et les AVC (-19%) que la mortalité (-4%). Les gliptines (combinaison de SAVOR TIMI 53, EXAMINE, TECOS) ont montré des effets globalement neutres sur la mortalité totale (0%), les IDM (-2%) et les AVC (-1%). L’empagliflozine (EMPA-REG OUTCOME) se singularise par un effet favorable nettement plus marqué sur la mortalité totale (-32 %) et CV (- 38%) que sur les IDM (-13%) ou les AVC (+18%). Conclusion : Les discordances observées suggèrent l’implication de mécanismes protecteurs différents selon les interventions testées. EMPA-REG OUTCOME, le seul essai démontrant un effet plus marqué sur la mortalité que sur les événements CV, suggère un mécanisme propre de l’inhibiteur des SGLT2. [less ▲]

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See detailAntihypertenseur et AVC - de la prévention au traitement
Krzesinski, Jean-Marie ULg

Conference (2004, March 15)

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See detailAntihypertensive therapy and blood pressure control in renal transplant recipients.
Saint-Remy, Annie ULg; Ait Oile, Fatima; Weekers, Laurent ULg et al

in American Journal of Hypertension : Journal of the American Society of Hypertension (2004), 17(5), 122-123

Renal transplant recipients are at high risk of cardiovascular diseases which represent,with infections, their major cause of excessive deaths. Immunosuppressive treatments are partly responsible leading ... [more ▼]

Renal transplant recipients are at high risk of cardiovascular diseases which represent,with infections, their major cause of excessive deaths. Immunosuppressive treatments are partly responsible leading to hypertension (HT), diabetes and hyperlipidemia. Aim: This study analyses the blood pressure (BP) control in renal transplant recipients with functioning graft according to their current antihypertensive and immunosuppressive therapies. Data were collected for 211 patients (M:58%; F:42%) transplanted on average since 7.7 years (2-360 months). Mean age was 50 years (16–72), 84% had hypercholesterolemia (>1.9 g/l), 18% were diabetics and 24% were smokers. Seventy-eight % were under antihypertensive treatment. Results: HT (mean OBP of 3 visits: >140 and/or >90 mmHg or treated) was observed in half of the untreated patients and uncontrolled in 80% of the treated ones. Ninety % of the treated hypertensive diabetic patients didn't reach target BP <130/80 mmHg. HT was significantly more frequent in patients whose glomerular filtration(GFR) was lower than the median value of GFR (55 ml/min/1.73 m2) of the population. Among treated patients, 48% had 1 drug, 29% had 2 drugs and 23% had 3 drugs or more. Beta-Blockers were the most prescribed even in association, while diuretics were less used since, even in 3 drugs therapy, only 60% received such class. Calcium inhibitors were not prescribed readily in first line but accounted for 47% in 2 drugs combinations. These observations were not related to the GFR level. Only 26% received an ACE inhibitor, their prescription decreases roughly in patients with impaired GFR. AII-RB concerned only 10% of therapies. Body weight, creatinine, graft survival and recipient's age were significantly related to SBP and DBP. In patients treated with cyclosporin, a highly significant relation (p=0.02) was found between BP and blood level of CsA, this was not observed in patients treated with tacrolimus . Conclusion: HT was highly prevalent in renal transplant recipients( 88% of patients) even when treated. This study leads to reconsider habits of prescrition in view to improve the BP control by increasing the use of diuretics and to improve cardioprotection by using more often ACE inhibitors (when not contra-indicated) in that high cardiovascular risk population. As mentioned in literature, the effect of tacrolimus on BP appears lesser than the cyclosporine one. [less ▲]

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See detailAntiinflammatory activity of Centaurea cyanus flowers
Bodart, Patricia; Damas, Jacques ULg; Goldsztajn, V. et al

in Journal de Pharmacie de Belgique (1994, February), 59(1), 73

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See detailAntiinflammatory activity of centaurea cyanus flowers
Bodart, Patricia; Goldsztajn, V.; Tits, Monique ULg et al

Poster (1994, March)

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See detailAntiinflammatory and chonroprotective activity of prodelphinidins isolated from Ribes nigrum leaves
Tits, Monique ULg; de Leval Xavier; Dierckxsens, Yvan et al

Poster (2000, July)

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See detailAntiinflammatory Prodelphinidins from Black Currant (Ribes nigrum) Leaves
Tits, Monique ULg; Angenot, Luc ULg; Damas, Jacques ULg et al

in Planta Medica (1991), 57(Supplement issue 2), 134

In a study to select anti-inflammatory medicinal plants, we have observed that extracts of Ribes nigrum significantly inhibited at a dose of 50mg/kg i.p. the carrageenan rat paw edema. We have now proved ... [more ▼]

In a study to select anti-inflammatory medicinal plants, we have observed that extracts of Ribes nigrum significantly inhibited at a dose of 50mg/kg i.p. the carrageenan rat paw edema. We have now proved that the most active fractions contained proanthocyanidins . In the present study, we report on the isolation of three bioactive compounds: two prodelphinidins dimers and a new trimeric one. [less ▲]

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See detailAntilisterial Activity on Poultry Meat of Amylolysin, a Bacteriocin from Bacillus amyloliquefaciens GA1
Halimi, Badre Eddine ULg; Dortu, Carine; Arguelles Arias, Anthony ULg et al

in Probiotics and Antimicrobial Proteins (2010)

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See detailAntilisterial Bacteriocin-Producing Strain Of Lactobacillus Curvatus Cwbi-B28 As A Preservative Culture In Bacon Meat And Influence Of Fat And Nitrites On Bacteriocins Production And Activity
Ghalfi, H.; Kouakou, P.; Duroy, M. et al

in Food Science and Technology International (2006), 12(4),

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See detailLes antilopes
Vermeulen, Cédric ULg

in Delvingt, W.; Vermeulen, Cédric (Eds.) Nazinga (2007)

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See detailAntimalarial Activity of Cryptolepine and some otrher Anhydronium Bases
Wright, C. W.; Phillipson, J. D.; Awe, S. O. et al

in Phytotherapy Research (1996), 10

Eight naturally occurring anhydronium bases and the synthetic quaternary compound Nb-methylharmalane were tested against Plasmodium falciparun (strain K1) in vitro. Cryptolepine was found to have similar ... [more ▼]

Eight naturally occurring anhydronium bases and the synthetic quaternary compound Nb-methylharmalane were tested against Plasmodium falciparun (strain K1) in vitro. Cryptolepine was found to have similar activity to that of chloroquine but alstonine, 5,6-dihydroflavopereirine, matadine, Nb-methylharmalane, melinonine F, normelinonine F, strychnoxanthine and serpentine were found to have little activity. Cryptolepine, given orally to mice infected with Plasmodium berghei berghei was found to have moderate antimalarial activity; parasitemia was suppressed by 80% at 50 mg/kg/day. [less ▲]

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See detailAntimalarial compounds isolated from plants used in traditional medicine.
Bero, Joanne; Frederich, Michel ULg; Quetin-Leclercq, Joelle

in Journal of Pharmacy & Pharmacology (2009), 61(11), 1401-33

OBJECTIVES: This review covers the compounds with antiplasmodial activity isolated from plants published from 2005 to the end of 2008, organized according to their phytochemical classes. Details are given ... [more ▼]

OBJECTIVES: This review covers the compounds with antiplasmodial activity isolated from plants published from 2005 to the end of 2008, organized according to their phytochemical classes. Details are given for substances with IC50 values < or = 11 microm. KEY FINDINGS: Malaria is a major parasitic disease in many tropical and subtropical regions and is responsible for more than 1 million deaths each year in Africa. The rapid spread of resistance encourages the search for new active compounds. Nature and particularly plants used in traditional medicine are a potential source of new antimalarial drugs as they contain molecules with a great variety of structures and pharmacological activities. SUMMARY: A large number of antimalarial compounds with a wide variety of structures have been isolated from plants and can play a role in the development of new antimalarial drugs. Ethnopharmacological approaches appear to be a promising way to find plant metabolites that could be used as templates for designing new derivatives with improved properties. [less ▲]

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See detailAntimicrobial activities of commercial essential oils and their components against food-borne pathogens and food spoilage bacteria.
Mith, Hasika; Dure, Remi; Delcenserie, Véronique ULg et al

in Food science & nutrition (2014), 2(4), 403-16

This study was undertaken to determine the in vitro antimicrobial activities of 15 commercial essential oils and their main components in order to pre-select candidates for potential application in highly ... [more ▼]

This study was undertaken to determine the in vitro antimicrobial activities of 15 commercial essential oils and their main components in order to pre-select candidates for potential application in highly perishable food preservation. The antibacterial effects against food-borne pathogenic bacteria (Listeria monocytogenes, Salmonella Typhimurium, and enterohemorrhagic Escherichia coli O157:H7) and food spoilage bacteria (Brochothrix thermosphacta and Pseudomonas fluorescens) were tested using paper disk diffusion method, followed by determination of minimum inhibitory (MIC) and bactericidal (MBC) concentrations. Most of the tested essential oils exhibited antimicrobial activity against all tested bacteria, except galangal oil. The essential oils of cinnamon, oregano, and thyme showed strong antimicrobial activities with MIC >/= 0.125 muL/mL and MBC >/= 0.25 muL/mL. Among tested bacteria, P. fluorescens was the most resistant to selected essential oils with MICs and MBCs of 1 muL/mL. The results suggest that the activity of the essential oils of cinnamon, oregano, thyme, and clove can be attributed to the existence mostly of cinnamaldehyde, carvacrol, thymol, and eugenol, which appear to possess similar activities against all the tested bacteria. These materials could be served as an important natural alternative to prevent bacterial growth in food products. [less ▲]

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See detailAntimicrobial activity against gram negative bacilli from Yaounde Central Hospital, Cameroon
Gangoue Pieboji, Joseph ULg; Koulla-Shiro, S.; Ngassam, P. et al

in African Health Sciences (2006), 6(4), 232-5

BACKGROUND: Antimicrobial resistance among bacteria pathogens is a world-wide issue. The antimicrobial susceptibility patterns of common pathogenic bacteria are essential to guide empirical and pathogen ... [more ▼]

BACKGROUND: Antimicrobial resistance among bacteria pathogens is a world-wide issue. The antimicrobial susceptibility patterns of common pathogenic bacteria are essential to guide empirical and pathogen-specific therapy; unfortunately, these data are scarse in Cameroon. OBJECTIVE: To determine the antimicrobial susceptibility patterns of Gram-negative bacilli isolated in Yaounde Central Hospital Laboratory of Bacteriology. METHODS: Gram-negative bacilli isolates (n = 505), obtained from a wide range of clinical specimens (urine, pus and blood) in Yaounde Central Hospital Laboratory of Bacteriology between March 1995 and April 1998, were evaluated for resistance to antibiotics (amoxicillin, amoxicillin/clavulanate, piperacillin, cefazolin, cefoxitin, cefotaxime, ceftazidime, aztreonam, imipenem, gentamicin, tobramicin, ofloxacin and trimethoprim/sulfamethoxazole) by the Kirby-Bauer disk diffusion method. RESULTS: High rates of resistance were found in most of the bacteria studied. Resistance to all isolates was mostly observed for amoxicillin (87%), piperacillin (74%) and trimethoprim/sulfamethoxazole (73%). Susceptibilities to third generation cephalosporins (cefotaxime, ceftazidime) and monobactame (aztreonam) were = 91% for Escherichia coli, = 71% for Klebsiella spp., = 98% for Proteus mirabilis, = 50% for Enterobacter spp. and Citrobacter spp. Pseudomonas aeruginosa was less susceptible to cefotaxime (2%) and aztreonam (33%), and highly susceptible to ceftazidime (72%) whereas Acinetobacter baumannii was highly resistant to aztreonam (100%), to cefotaxime (96%) and cetazidime (62%). Imipenem (98%) was the most active antibiotic followed by the ofloxacine (88%). Susceptibility of all isolates to gentamicin was 67%. CONCLUSION: These results indicate that surveillance to antimicrobial resistance in Cameroon is necessary to monitor microbial trends, antimicrobial resistance pattern, and provide information for choosing empirical or direct therapy to physicians. [less ▲]

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