{"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}
引用次数: 0
Abstract
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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