首页> 美国政府科技报告 >Effect of Prostaglandins, Inositol 1,4,5-Trisphosphate, and Phorbol Esters onRadiation-Induced Decreases in Calcium Influx in Rat Brain Synaptosomes
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Effect of Prostaglandins, Inositol 1,4,5-Trisphosphate, and Phorbol Esters onRadiation-Induced Decreases in Calcium Influx in Rat Brain Synaptosomes

机译:前列腺素,肌醇1,4,5-三磷酸酯和佛波酯对大鼠脑突触体中钙离子流量减少的影响

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Gamma irradiation (60Co) reduced KCl-stimulated voltage-dependent uptake of45Ca(2+) in rat whole-brain synaptosomes. Prostaglandins, inositol 1,4,5-trisphosphate, and phorbol esters were tested for their ability to inhibit radiation-induced decreases in calcium influx. None of the compounds tested alone completely prevented radiation-induced decreases in calcium uptake, but some drug combinations did inhibit decreases. Results suggest that radiation-induced decreases in calcium uptake are due to impairment of protein kinase C activity and mobilization of calcium by these drugs.

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