{"title":"甘油磷酸钙和Ca2+对兔肾髓质片前列腺素合成影响的比较。","authors":"T Fujita, H Kasatani, K Suzuki, Y Fujimoto","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The stimulatory effects of calcium alpha-glycerophosphate (CaG) and Ca2+ on the generation of medullary prostaglandin E2 have been compared. CaG (4mM) was significantly more effective than Ca2+ (4 mM) as a stimulus for prostaglandin E2 release. This effect of CaG was most pronounced in the presence of exogenous phospholipase A2 (0.1 unit/ml). These results suggest that CaG has a more powerful stimulatory effect on prostaglandin E2 formation than Ca2+ because of its high affinity for phospholipase A2.</p>","PeriodicalId":10579,"journal":{"name":"Comparative biochemistry and physiology. C, Comparative pharmacology and toxicology","volume":"80 1","pages":"141-3"},"PeriodicalIF":0.0000,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Comparison of the effects of calcium alpha-glycerophosphate and Ca2+ on prostaglandin synthesis in rabbit kidney medulla slices.\",\"authors\":\"T Fujita, H Kasatani, K Suzuki, Y Fujimoto\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The stimulatory effects of calcium alpha-glycerophosphate (CaG) and Ca2+ on the generation of medullary prostaglandin E2 have been compared. CaG (4mM) was significantly more effective than Ca2+ (4 mM) as a stimulus for prostaglandin E2 release. This effect of CaG was most pronounced in the presence of exogenous phospholipase A2 (0.1 unit/ml). These results suggest that CaG has a more powerful stimulatory effect on prostaglandin E2 formation than Ca2+ because of its high affinity for phospholipase A2.</p>\",\"PeriodicalId\":10579,\"journal\":{\"name\":\"Comparative biochemistry and physiology. C, Comparative pharmacology and toxicology\",\"volume\":\"80 1\",\"pages\":\"141-3\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1985-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Comparative biochemistry and physiology. C, Comparative pharmacology and toxicology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Comparative biochemistry and physiology. C, Comparative pharmacology and toxicology","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Comparison of the effects of calcium alpha-glycerophosphate and Ca2+ on prostaglandin synthesis in rabbit kidney medulla slices.
The stimulatory effects of calcium alpha-glycerophosphate (CaG) and Ca2+ on the generation of medullary prostaglandin E2 have been compared. CaG (4mM) was significantly more effective than Ca2+ (4 mM) as a stimulus for prostaglandin E2 release. This effect of CaG was most pronounced in the presence of exogenous phospholipase A2 (0.1 unit/ml). These results suggest that CaG has a more powerful stimulatory effect on prostaglandin E2 formation than Ca2+ because of its high affinity for phospholipase A2.
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