Search Results - "AKOPOV, S. E"

Dynamics of polymorphonuclear leukocyte accumulation in acute cerebral infarction and their correlation with brain tissue damage by AKOPOV, S. E, SIMONIAN, N. A, GRIGORIAN, G. S

“…This study was performed to study the dynamics of polymorphonuclear leukocyte (PMNL) accumulation in human cerebral infarction and its association with…”
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Physiological variations in ovine cerebrovascular calcium sensitivity by Akopov, S E, Zhang, L, Pearce, W J

“…Cerebrovascular reactivity to biogenic amines varies in relation to both arterial diameter and age. The present study examines the hypothesis that these…”
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Developmental changes in the calcium sensitivity of rabbit cranial arteries by Akopov, S E, Zhang, L, Pearce, W J

“…The present experiments examine developmental changes in cerebrovascular Ca2+ sensitivity. Common carotid (COM), basilar (BAS) and femoral (FA) arteries from…”
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Leukocyte-induced acute endothelial dysfunction in middle cerebral artery in rabbits. Response to aggregating platelets by Akopov, S E, Sercombe, R, Seylaz, J

“…Recent evidence suggests a possible role for leukocytes in angiospastic reactions of large cerebral arteries. This study examined the effect of activation of…”
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Endothelial dysfunction in cerebral vessels following carotid artery infusion of phorbol ester in rabbits: the role of polymorphonuclear leukocytes by Akopov, S E, Sercombe, R, Seylaz, J

“…The effect of 4 beta-phorbol-12 beta-myristate-13 alpha-acetate (PMA) on endothelium-dependent and endothelium-independent vasoconstriction and vasodilation…”
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Maturation alters the contractile role of calcium in ovine basilar arteries by AKOPOV, S. E, LUBO ZHANG, PEARCE, W. J

“…The present studies examine how agonist-induced increases in cytosolic Ca2+ concentration and sensitivity vary with maturation. Basilar arteries from term…”
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Comparison of Isradipine and Enalapril Effects on Regional Carotid Circulation in Patients with Hypertension with Unilateral Internal Carotid Artery Stenosis by Akopov, Sergey E, Simonian, Nune A

“…This randomized, double-blind, placebo-controlled study was aimed at detecting cerebrovascular effects of isradipine and enalapril in patients with moderate…”
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Increased nitric oxide deactivation by polymorphonuclear leukocytes in patients with intermittent claudication by Akopov, Sergey E., Pogossian, Sergey S., Toromanian, Edward N., Grigorian, George G., Gabrielian, Emil S.

“…Local activation of polymorphonudear leukocytes (PMNLs) is considered an important aspect of the pathogenesis of intermittent claudication, although concrete…”
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Nitric oxide (EDRF) enhances the vasorelaxing effect of dihydropyridine calcium antagonists in isolated human middle cerebral arteries by Akopov, S E

“…Experiments were performed on perfused human middle cerebral artery (MCA) precontracted with prostaglandin F2a. Nifedipine, isradipine and lacidipine induced…”
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Intracranial-extracranial differences in the Ca2+ sensitivity of rabbit arteries by Akopov, S E, Zhang, L, Pearce, W J

“…We have previously demonstrated that the ratio of calcium uptake to force production varies widely with age, artery size, and method of contraction in cerebral…”
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Actions of platelet-activating factor on isolated rabbit basilar artery: modulation by activated polymorphonuclear leukocytes by Akopov, S E, Sercombe, R, Seylaz, J

“…In segments of rabbit basilar artery (BA) platelet-activating factor (PAF) initiated a concentration-dependent transitory contraction which was unaffected by…”
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Deactivation of NO by polymorphonuclear leukocytes in patients with ischemic cerebral infarction by Akopov, S E, Grigorian, G S, Ovanessian, G A

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Cerebral blood flow and effects of cerebrospinal fluid on calcium transport in patients with cerebral infarction by AKOPOV, S. E, GRIGORIAN, G. S, GABRIELIAN, E. S

“…In this study we investigated whether cerebrospinal fluid in patients with brain infarction possesses an activity that contributes to the evolution of brain…”
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Stable analogues of prostacyclin and thromboxane A2 display contradictory influences on atherosclerotic properties of cells cultured from human aorta. The effect of calcium antagonists by Akopov, S E, Orekhov, A N, Tertov, V V, Khashimov, K A, Gabrielyan, E S, Smirnov, V N

“…We examined the influence of stable prostacyclin analogues (carbacyclin) and thromboxane A2 (U46619) on atherosclerotic properties of cells: [3H]thymidine…”
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Effects of the clotting process on endothelium-dependent relaxation of human middle cerebral artery by Akopov, S E, Gabrielian, E S

“…Clotted blood decreased acetylcholine-induced relaxations of strips of human middle cerebral artery precontracted with noradrenaline, although histologically…”
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Maturational modification of hypoxic relaxation in ovine carotid and cerebral arteries: role of endothelium by Zurcher, S D, Ong-Veloso, G L, Akopov, S E, Pearce, W J

“…In light of evidence that hypoxia inhibits cerebrovascular calcium influx and that the contractile importance of calcium influx is greater in neonatal than…”
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The endothelium-dependent relaxation of human middle cerebral artery: effects of activated neutrophils by Akopov, S E, Grigorian, M R, Gabrielian, E S

“…Neutrophils, activated by 4 beta-phorbol-12 beta-myristate-13 alpha-acetate, decreased acetylcholine-induced relaxation of strips of human middle cerebral…”
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The relationship between the degradation of prostacyclin in blood and antiplatelet drug effects in patients with atherosclerosis by Akopov, S E, Gabrielian, E S

“…Blood and plasma from 109 patients with atherosclerosis and 70 healthy volunteers were tested to study the rate of prostacyclin (PGI2) hydrolysis. It has been…”
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Taxes in evaluation of hypothetical innovations in chemical fibre plants by Zotikova, O. N., Zernova, L. E., Akopov, S. E.

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Effects of aspirin, dipyridamole, nifedipine and cavinton which act on platelet aggregation induced by different aggregating agents alone and in combination by Akopov, S E, Gabrielian, E S

“…The effects of aspirin, nifedipine, dipyridamole and cavinton on platelet aggregability in patients with atherosclerosis has been studied using various agents…”
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