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See detailAntiplasmodial, anti-inflammatory and cytotoxic activities of various plant extracts from the Mascarene Archipelago.
Jonville, Marie ULg; Kodja, H.; Strasberg, D. et al

in Journal of Ethnopharmacology (2011), 136

AIM OF THE STUDY: Antiplasmodial activity, inhibition of nitric oxide (NO) overproduction, and anti-proliferative activity were investigated in vitro to evaluate the bioactive potential of the traditional ... [more ▼]

AIM OF THE STUDY: Antiplasmodial activity, inhibition of nitric oxide (NO) overproduction, and anti-proliferative activity were investigated in vitro to evaluate the bioactive potential of the traditional pharmacopoeia of the Mascarene Archipelago, which is known for its biodiversity and for the richness of its endemic flora. MATERIALS AND METHODS: A total of 45 methanol (MeOH) and dichloromethane (DCM) extracts were prepared from 19 plant species collected on Reunion and Mauritius Islands. Ninety-six-well microplate assays were performed on chloroquine sensitive Plasmodium falciparum 3D7 strain, on LPS-stimulated Raw 264.7 murine macrophages and on A-549, DLD-1 and WS1 human cells. Activity was evaluated through spectrophotometric methods. RESULTS: Activity was attributed to plant extracts expressing IC(50)<50mug/ml for antiplasmodial response, IC(50)<100mug/ml for cytotoxicity, and IC(50)<130mug/ml for anti-inflammatory reaction. The majority of the extracts tested (69%) exhibited potency in at least one of these three types of activity. This is the first report describing promising antiplasmodial activity (IC(50)<15mug/ml) for Psiadia dentata DCM extract and Terminalia bentzoe MeOH bark extract. NO inhibition assay revealed seven interesting plants, described for the first time as anti-inflammatory: Aphloia theiformis, Buddleja salviifolia, Eupatorium riparium, Hiptage benghalensis, Psiadia arguta, Psiadia dentata, and Scutia commersonii. Finally, anti-proliferative activity was observed for two endemic species, Geniostoma borbonicum and Nuxia verticillata. CONCLUSION: Using the criterion of endemism as part of the criteria for traditional medicinal use raises the chances of finding original active principles. In our case, 86% of the endemic plants tested displayed pharmacological interest. [less ▲]

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See detailAntiplatelet Activity of Clopidogrel in Coronary Artery Bypass Graft Surgery Patients
David, Jean-Louis ULg; Limet, Raymond ULg

in Thrombosis and Haemostasis (1999), 82(5), 1417-21

Clopidogrel is a recently introduced platelet ADP receptor antagonist, belonging to the thienopyridine derivatives, like its analogue ticlopidine. Its potential advantage is to be safer than ticlopidine ... [more ▼]

Clopidogrel is a recently introduced platelet ADP receptor antagonist, belonging to the thienopyridine derivatives, like its analogue ticlopidine. Its potential advantage is to be safer than ticlopidine. At 75 mg/od clopidogrel significantly inhibits platelet aggregation in ambulatory patients with symptomatic atherosclerotic disease and it prevents the recurrence of ischemic events more efficiently than aspirin. Its adequate dose in more acute situations remained to be determined. Therefore, sixty two patients with coronary artery disease were randomly assigned in four groups treated, within 24 h after coronary artery bypass graft, by clopidogrel 50 mg/od, 75 mg/od or 100 mg/od or by ticlopidine 250 mg/bid which was considered as the reference. The tolerance of clopidogrel was fairly good during the whole period of the study. Bleeding time and ex-vivo platelet aggregation induced by ADP 2 microM and 5 microM were performed at day -1, +9 and +28 after surgery. Like ticlopidine, the three dose levels of clopidogrel significantly inhibited ex-vivo platelet activity and prolonged the bleeding time at day 28. However, unlike ticlopidine, the inhibitory effects of clopidogrel were not significant at day 9, especially with 75 mg/od, a dose which was found to significantly protect patients in a chronic situation. Hence, although the clinical outcome for patients included in this limited study was the same in the four groups, these results suggest that the dose regime of clopidogrel should be more extensively investigated during the early period following coronary artery bypass graft, facing an overproduction of young and hyperreactive platelets. By analogy, the dose regime should be also investigated in other situations with an acute risk of arterial thrombotic occlusion. [less ▲]

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See detailAntiplatelet therapy in the perioperative period.
Engelen, S.; Sinaeve, P.; Van Damme, Hendrik ULg et al

in Acta Anaesthesiologica Belgica (2010), 61

antiplatelet drugs are the cornerstone treatment in the secondary prevention of arterial thrombosis. Until recently, their intake was interrupted in the perioperative period because of fear for bleeding ... [more ▼]

antiplatelet drugs are the cornerstone treatment in the secondary prevention of arterial thrombosis. Until recently, their intake was interrupted in the perioperative period because of fear for bleeding, but new insights have challenged this old habit. in patients at high risk for atherothrombotic events who need to undergo surgery or an invasive procedure, the risk for bleeding complications because of a treatment with low-dose acetylsalicylic acid (lD aSa) needs to be balanced against the risk of atherothrombotic events after treatment discontinuation. for patients at high risk of atherothrombotic complications recent guidelines do no longer advocate to interrupt lD aSa routinely. However, the likelihood of bleeding versus atherothrombotic complications should be considered on a case-by-case basis. when continued perioperatively, the bleeding risk associated with thienopyridines (ticlopidine, clopidogrel and prasugrel) is higher than that of lD aSa. it is recommended to stop their intake 1 week before the surgical intervention, except in patients with (recent) coronary stenting [less ▲]

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See detailAntipodean Dialogue in the Novels of David Malouf
Delrez, Marc ULg

Conference (1988)

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See detailAntipodean Dialogue: Randolph Stow and David Malouf
Delrez, Marc ULg

in Davis, Geoffrey V.; Maes-Jelinek, Hena (Eds.) Crisis and Creativity in the New Literatures in English (1990)

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See detailAntiproliferative and genotoxic effects of Mikania glomerata (Asteraceae)
Dalla Nora, G; Pastori, T; Laughinghouse IV, Haywood ULg et al

in Biocell : Official Journal of the Sociedades Latinoamericanas de Microscopia Electronica ... Et. Al (2010), 34(3), 95-101

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See detailAntiproliferative effect of the arboreal and medicinal species Luehea divaricata on the Allium cepa cell cycle
Frescura, VDS; Laughinghouse IV, Haywood ULg; Tedesco, SB

in Caryologia : Giornale di Citologia, Citosistematica, e Citogenetica (2012), 65(1), 27-33

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See detailAntiproton and Antilambda Annihilations on Several Nucleons
Cugnon, Joseph ULg; Vandermeulen, Jacques

in Physical Review. C : Nuclear Physics (1989), 39

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See detailAntiproton Annihilation at Rest on Light Nuclei : Rescattering, Strange Particle Yield and B = 1 Annihilation
Cugnon, Joseph ULg; Deneye, Pierre; Vandermeulen, Jacques

in Nuclear Physics A (1990), 517

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See detailAntiproton Annihilation Inside Nuclei
Cugnon, Joseph ULg; Cahay, M.; jasselette, Pierre et al

in Physics Letters B (1982), 115

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See detailAntiproton Annihilation on Nuclei
Cugnon, Joseph ULg

in Bunce, G.M. (Ed.) Proceedings of the Third International Conference on the Intersections Between Nuclei and Particles (1988)

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See detailAntiproton-Nucleus Annihilation
Cugnon, Joseph ULg

in Richard, Jean-Marc; Aslanidès, E.; Boccara, N. (Eds.) The Elementary Structure of Matter (1988)

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See detailAntiproton-Nucleus Interaction
Cugnon, Joseph ULg; Vandermeulen, Jacques

in Annales de Physique Fr. (1989), 14

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See detailAntiprotozoal and cytotoxic triterpenoid saponins from the roots of Cephalaria gigantea
Tabatadze, Nino; Elias, Riad; Delmas, F. et al

Poster (2006, July)

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See detailL'antipsychiatre et la plume
Tilkin, Françoise ULg

in Revue belge de philologie et d'histoire (1982), 60(4), 1083-1084

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See detailL'antipsychologisme de Brentano
Boccaccini, Federico ULg

in Gyemant, Maria (Ed.) Psychologie et psychologisme (2015)

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See detailAntipsychotics and Neuropeptides: The Atypical Profile of Ci-943 and Its Relationship to Neurotensin
Liégeois, Jean-François ULg; Bonaventure, P.; Delarge, J. et al

in Neuroscience & Biobehavioral Reviews (1995), 19(4, Winter), 519-31

CI-943 is a new drug candidate with antipsychotic-like activity in a variety of behavioural tests in rodents and primates, but without any affinity for brain dopamine receptors. CI-943 does not cause ... [more ▼]

CI-943 is a new drug candidate with antipsychotic-like activity in a variety of behavioural tests in rodents and primates, but without any affinity for brain dopamine receptors. CI-943 does not cause dystonia in monkeys, a predictive symptom of extrapyramidal side effects (EPS). Its mechanism of action remains unclear. Neurotensin (NT) concentration in nucleus accumbens and caudate is increased by CI-943; this may be associated with its antipsychotic effect. Indeed various observations suggest that the clinical action of antipsychotic drugs may at least be partially mediated by some neuropeptides. Various actions of neurotensin are reviewed. The hypothesis on the role of neurotensin represents a new strategy in the development of pharmacological tools for the treatment of schizophrenia. [less ▲]

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See detailLes antipsychotiques atypiques dans la dépression résistante
PITCHOT, William ULg; Constant E; Floris M et al

in Acta Psychiatrica Belgica (2012)

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See detailL'antiquité classique comme source d'inspiration dans l'oeuvre de Karel Tchapek
Mouton, Charles ULg

in Slavica Gandensia (1993), 20

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