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author = "Andriantsitohaina, R."
1

Found 7 documents, displaying page 1 of 1

Potentiation by neuropeptide Y of vasoconstriction in rat resistance arteries.

Author(s) : Andriantsitohaina, R. , Stoclet, J. C.
Description : 1. The effects of neuropeptide Y (NPY) on resistance arteries were investigated on 3rd generation mesenteric arterioles of the rat. 2. Contractions were elicited by noradrenaline (NA), 5-hydroxytryptamine (5-HT), prostaglandin F2 alpha (PGF2 alpha), depolarization (KCl substituted for NaCl) and by t...
Repository : Europe PubMed Central
Language(s) : English

Enhancement by neuropeptide Y (NPY) of the dihydropyridine-sensitive component of the response to alpha 1-adrenoceptor stimulation in rat isolated mesenteric arterioles.

Author(s) : Andriantsitohaina, R. , Stoclet, J. C.
Description : 1. The mechanism by which neuropeptide Y (NPY) potentiates the vasoconstriction induced by alpha 1-adrenoceptor agonists was investigated in 3rd generation mesenteric arterioles of the rat. 2. At a maximally active concentration, nitrendipine (10(-6) M) displaced to the right the concentration-respo...
Repository : Europe PubMed Central
Language(s) : English

Alterations of cyclo-oxygenase products and NO in responses to angiotensin II of resistance arteries from the spontaneously hypertensive rat.

Author(s) : Côrtes, S. F. , Andriantsitohaina, R. , Stoclet, J. C.
Description : 1. The involvement of cyclo-oxygenase (COX) products and nitric oxide (NO) in contractile responses of resistance arteries to angiotensin II (AII) were investigated in small mesenteric arteries from spontaneously hypertensive rats (SHR) and Wistar Kyoto (WKY) rats. 2. In endothelium intact vessels, ...
Repository : Europe PubMed Central
Language(s) : English

Alteration by lipopolysaccharide of the relationship between intracellular calcium levels and contraction in rat mesenteric artery.

Author(s) : Martínez, M. C. , Muller, B. , Stoclet, J. C. , Andriantsitohaina, R.
Description : 1. The aim of this work was to investigate the effect of lipopolysaccharide (LPS) treatment on the relationship between the cytosolic Ca2+ ion concentration ([Ca2+]i) and contraction in rat resistance arteries, and the involvement of the L-arginine-nitric oxide (NO)-guanosine 3'-5' cyclic monophosph...
Repository : Europe PubMed Central
Language(s) : English

Microparticles from apoptotic monocytes enhance nitrosative stress in human endothelial cells.

Author(s) : Mastronardi, ML , Mostefai, HA , Soleti, R , Agouni, A , Martínez, MC , Andriantsitohaina, R
Description : Microparticles are membrane vesicles with procoagulant and proinflammatory properties released during cell activation or apoptosis. Microparticles from monocytes have been implicated in atherosclerosis and vascular inflammation, but their direct effects on endothelial cells are not completely elucid...
Repository : Surrey Scholarship Online
Language(s) : Undetermined

Red wine polyphenols prevent metabolic and cardiovascular alterations associated with obesity in Zucker fatty rats (Fa/Fa).

Author(s) : Agouni, A , Lagrue-Lak-Hal, AH , Mostefai, HA , Tesse, A , Mulder, P , Rouet, P , Desmoulin, F , Heymes, C , Martínez, MC , Andriantsitohaina, R
Description : Obesity is associated with increased risks for development of cardiovascular diseases. Epidemiological studies report an inverse association between dietary flavonoid consumption and mortality from cardiovascular diseases. We studied the potential beneficial effects of dietary supplementation of red...
Repository : Surrey Scholarship Online
Language(s) : Undetermined

Resistance to endotoxic shock as a consequence of defective NF-kappaB activation in poly (ADP-ribose) polymerase-1 deficient mice.

Author(s) : Oliver, F J , Ménissier-de Murcia, J , Nacci, C , Decker, P , Andriantsitohaina, R , Muller, S , de la Rubia, G , Stoclet, J C
Description : Poly (ADP-ribose) polymerase-1 is a nuclear DNA-binding protein that participates in the DNA base excision repair pathway in response to genotoxic stress in mammalian cells. Here we show that PARP-1-deficient cells are defective in NF-kappaB-dependent transcription activation, but not in its nuclear...
Repository : Europe PubMed Central
Language(s) : English
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Found 7 documents, displaying page 1 of 1