Cerebral postischemic hypoperfusion is mediated by ET(A) receptors

被引:31
作者
Spatz, M
Yasuma, Y
Strasser, A
McCarron, RM
机构
[1] Stroke Branch, NINDS, National Institutes of Health, Bethesda, MD 20892-4128
关键词
endothelin; nitric oxide; cerebral ischemia; cerebral blood flow; endothelin(A) receptor;
D O I
10.1016/0006-8993(96)00409-X
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Effect of ET(A)-receptor antagonist, BQ123, on postischemic hypoperfusion in the presence or absence of nitric oxide synthetase inhibitor, N omega-nitro-L-arginine (NLA), was investigated in Mongolian gerbils. BQ123 given prior to ischemia reversed the early incomplete recovery of cerebral blood flow observed with NLA without affecting the late postischemic hypoperfusion. Additional postischemic administration of BQ123 also reversed (P < 0.01) the late postischemic hypoperfusion seen in NLA-, N omega-nitro-D-arginine methyl ester- or Ringer's-treated animals.
引用
收藏
页码:242 / 246
页数:5
相关论文
共 31 条
[21]  
MONCADA S, 1991, PHARMACOL REV, V43, P109
[22]   ABNORMAL ENDOTHELIUM-DEPENDENT VASCULAR RELAXATION IN PATIENTS WITH ESSENTIAL-HYPERTENSION [J].
PANZA, JA ;
QUYYUMI, AA ;
BRUSH, JE ;
EPSTEIN, SE .
NEW ENGLAND JOURNAL OF MEDICINE, 1990, 323 (01) :22-27
[23]   EFFECTS OF NITRIC-OXIDE SYNTHASE INHIBITION ON CEREBRAL BLOOD-FLOW FOLLOWING BILATERAL CAROTID-ARTERY OCCLUSION AND RECIRCULATION IN THE RAT [J].
PRADO, R ;
WATSON, BD ;
WESTER, P .
JOURNAL OF CEREBRAL BLOOD FLOW AND METABOLISM, 1993, 13 (04) :720-723
[24]   SYSTEMIC HEMODYNAMIC AND REGIONAL CIRCULATORY EFFECTS OF CENTRALLY ADMINISTERED ENDOTHELIN-1 ARE MEDIATED THROUGH ET(A) RECEPTORS [J].
REBELLO, S ;
ROY, S ;
SAXENA, PR ;
GULATI, A .
BRAIN RESEARCH, 1995, 676 (01) :141-150
[25]  
SAKURAI T, 1992, TRENDS PHARMACOL SCI, V13, P103
[26]   NITRIC-OXIDE INHIBITION AGGRAVATES ISCHEMIC DAMAGE OF HIPPOCAMPAL BUT NOT OF NADPH NEURONS IN GERBILS [J].
SANCESARIO, G ;
IANNONE, M ;
MORELLO, M ;
NISTICO, G ;
BERNARDI, G .
STROKE, 1994, 25 (02) :436-443
[27]   NITRO-L-ARGININE AUGMENTS THE ENDOTHELIN-1 CONTENT OF CEREBROSPINAL-FLUID INDUCED BY CEREBRAL-ISCHEMIA [J].
SPATZ, M ;
STANIMIROVIC, D ;
STRASSER, A ;
MCCARRON, RM .
BRAIN RESEARCH, 1995, 684 (01) :99-102
[28]  
SPATZ M, 1996, NEW CONCEPTS BLOOD B, P47
[29]   NITRIC-OXIDE - A POTENT MEDIATOR OF GLUTAMATERGIC NEUROTOXICITY IN BRAIN ISCHEMIA [J].
STROSZNAJDER, J ;
CHALIMONIUK, M ;
SAMOCHOCKI, M ;
GADAMSKI, R .
CELLULAR, BIOCHEMICAL, AND MOLECULAR ASPECTS OF REPERFUSION INJURY, 1994, 723 :429-432
[30]   THE ROLE OF ENDOTHELIN-1 IN THE ORIGIN OF CEREBRAL VASOSPASM IN PATIENTS WITH ANEURYSMAL SUBARACHNOID HEMORRHAGE [J].
SUZUKI, R ;
MASAOKA, H ;
HIRATA, Y ;
MARUMO, F ;
ISOTANI, E ;
HIRAKAWA, K .
JOURNAL OF NEUROSURGERY, 1992, 77 (01) :96-100