{"title":"葡萄糖促进胰腺细胞内锰的隔离。","authors":"P Rorsman","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>D-glucose reduces the outflow of manganese from pancreatic beta-cells in analogy to what has previously been reported for 45Ca. The decrease can be accounted for by an enhanced intracellular sequestration. The effect of D-glucose on manganese fluxes seems to be restricted to inhibition of the efflux; no stimulation of the influx being noted. The glucose-dependence of manganese uptake is hyperbolic with half maximal stimulation between 5 and 6 mM D-glucose.</p>","PeriodicalId":6985,"journal":{"name":"Acta biologica et medica Germanica","volume":"41 12","pages":"1221-4"},"PeriodicalIF":0.0000,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Glucose promotes intracellular sequestration of manganese in pancreatic beta-cells.\",\"authors\":\"P Rorsman\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>D-glucose reduces the outflow of manganese from pancreatic beta-cells in analogy to what has previously been reported for 45Ca. The decrease can be accounted for by an enhanced intracellular sequestration. The effect of D-glucose on manganese fluxes seems to be restricted to inhibition of the efflux; no stimulation of the influx being noted. The glucose-dependence of manganese uptake is hyperbolic with half maximal stimulation between 5 and 6 mM D-glucose.</p>\",\"PeriodicalId\":6985,\"journal\":{\"name\":\"Acta biologica et medica Germanica\",\"volume\":\"41 12\",\"pages\":\"1221-4\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1982-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Acta biologica et medica Germanica\",\"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":"Acta biologica et medica Germanica","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
d -葡萄糖减少了胰腺β细胞中锰的流出，这与之前报道的45Ca类似。这种减少可归因于细胞内固存的增强。d -葡萄糖对锰通量的影响似乎仅限于抑制外排;没有注意到对流入的刺激。锰摄取的葡萄糖依赖性是双曲线的，在5和6 mM d -葡萄糖之间有一半的最大刺激。
Glucose promotes intracellular sequestration of manganese in pancreatic beta-cells.
D-glucose reduces the outflow of manganese from pancreatic beta-cells in analogy to what has previously been reported for 45Ca. The decrease can be accounted for by an enhanced intracellular sequestration. The effect of D-glucose on manganese fluxes seems to be restricted to inhibition of the efflux; no stimulation of the influx being noted. The glucose-dependence of manganese uptake is hyperbolic with half maximal stimulation between 5 and 6 mM D-glucose.
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