PROSTACYCLIN (PGI2) PROTECTS RAT CORTICAL-NEURONS IN CULTURE AGAINST HYPOXIA REOXYGENATION AND GLUTAMATE-INDUCED INJURY

被引:43
作者
CAZEVIEILLE, C [1 ]
MULLER, A [1 ]
BONNE, C [1 ]
机构
[1] UNIV MONTPELLIER 1, FAC PHARM, PHYSIOL CELLULAIRE LAB, 15 AVE CHARLES FLAHAULT, F-34060 MONTPELLIER, FRANCE
关键词
PROSTACYCLIN; PGI(2); ISCHEMIA; GLUTAMATE; EXCITOTOXICITY; NEURON CULTURE; HYPOXIA REOXYGENATION;
D O I
10.1016/0304-3940(93)90924-A
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Arachidonic acid and its metabolites are released in brain extracellular fluids as a result of ischemia and may participate in either damaging or protecting neural tissues. This study investigates the neuroprotective effect of prostacyclin (PGI2) on hypoxia (5 h)/reoxygenation (3 h) and on the excitotoxic neurotransmitter, glutamate (10 muM), in rat cortical neuron cultures. At muM concentrations, PGI2 inhibits lactate dehydrogenase release, a cell-injury marker. These results, showing a direct cytoprotective effect of PGI2 on brain cells, reinforce its beneficial properties on vessels and circulating cells in cerebral ischemia.
引用
收藏
页码:106 / 108
页数:3
相关论文
共 14 条
  • [11] PROSTAGLANDINS PROTECT KIDNEYS AGAINST ISCHEMIC AND TOXIC INJURY BY A CELLULAR EFFECT
    PALLER, MS
    MANIVEL, JC
    PATTEN, M
    BARRY, M
    [J]. KIDNEY INTERNATIONAL, 1992, 42 (06) : 1345 - 1354
  • [12] RENKAWEK K, 1986, ACTA NEUROL SCAND, V73, P111
  • [13] BLOCKADE OF N-METHYL-D-ASPARTATE RECEPTORS MAY PROTECT AGAINST ISCHEMIC DAMAGE IN THE BRAIN
    SIMON, RP
    SWAN, JH
    GRIFFITHS, T
    MELDRUM, BS
    [J]. SCIENCE, 1984, 226 (4676) : 850 - 852
  • [14] ARACHIDONIC-ACID INDUCES A LONG-TERM ACTIVITY-DEPENDENT ENHANCEMENT OF SYNAPTIC TRANSMISSION IN THE HIPPOCAMPUS
    WILLIAMS, JH
    ERRINGTON, ML
    LYNCH, MA
    BLISS, TVP
    [J]. NATURE, 1989, 341 (6244) : 739 - 742