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Histamine-stimulated prostaglandin synthesis in rat brain microvessels |
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| Authors: | E. Dux F. Joó Á. Gecse Zs. Mezei L. Dux J. Hideg G. Telegdy |
| Affiliation: | (1) Laboratory of Molecular Neurobiology, Institute of Biophysics, Biological Research Center, Hungarian Academy of Sciences, Szeged, Hungary;(2) Department of Pathophysiology, University Medical School, Szeged, Hungary;(3) Department of Biochemistry, University Medical School, Szeged, Hungary;(4) Medical Corps, Hungarian People's Army, Hungary |
| Abstract: | The histamine-sensitivity of prostacyclin and prostaglandin synthesis was investigated in isolated brain microvessels prepared from normal and hypoxic exercised rats. 10–4M histamine stimulated thein vitro synthesis of all components of arachidonate cascade. The chronic hypoxic exercise also resulted in an enhanced production of each fraction. Hypoxia and histamine showed an additive effect in the synthesis of PGE2 only. The possible molecular mechanism induced by hypoxia and histamine is discussed. |
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