{"title":"大鼠肝微粒体酸性磷酸酶活性的昼夜节律及NADH 5 α -还原酶对磷酸酶活性的依赖性。","authors":"V Graef, S W Golf","doi":"10.1515/bchm2.1984.365.2.1271","DOIUrl":null,"url":null,"abstract":"<p><p>The specific activity of acid phosphatase in male and female rats follows a circadian rhythm. Preincubation of liver microsomes with testosterone led to an increase of phosphatase activity and a loss of circadian rhythm. NADH 5 alpha-reductase was inactivated by several animal and bacterial acid and alkaline phosphatases while the acid phosphatase from potatoes was ineffective. The extent of inhibition depends on the course of circadian rhythm of NADH 5 alpha-reductase activity. Preincubation of microsomes in the presence of testosterone inhibited the NADH 5 alpha-reduction of testosterone. No such inhibition was observed after preincubation of microsomes with progesterone.</p>","PeriodicalId":13015,"journal":{"name":"Hoppe-Seyler's Zeitschrift fur physiologische Chemie","volume":"365 10","pages":"1271-6"},"PeriodicalIF":0.0000,"publicationDate":"1984-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1515/bchm2.1984.365.2.1271","citationCount":"2","resultStr":"{\"title\":\"Circadian rhythm of acid phosphatase activity in rat liver microsomes and dependence of NADH 5 alpha-reductase on phosphatase activity.\",\"authors\":\"V Graef, S W Golf\",\"doi\":\"10.1515/bchm2.1984.365.2.1271\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The specific activity of acid phosphatase in male and female rats follows a circadian rhythm. Preincubation of liver microsomes with testosterone led to an increase of phosphatase activity and a loss of circadian rhythm. NADH 5 alpha-reductase was inactivated by several animal and bacterial acid and alkaline phosphatases while the acid phosphatase from potatoes was ineffective. The extent of inhibition depends on the course of circadian rhythm of NADH 5 alpha-reductase activity. Preincubation of microsomes in the presence of testosterone inhibited the NADH 5 alpha-reduction of testosterone. No such inhibition was observed after preincubation of microsomes with progesterone.</p>\",\"PeriodicalId\":13015,\"journal\":{\"name\":\"Hoppe-Seyler's Zeitschrift fur physiologische Chemie\",\"volume\":\"365 10\",\"pages\":\"1271-6\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1984-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1515/bchm2.1984.365.2.1271\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Hoppe-Seyler's Zeitschrift fur physiologische Chemie\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1515/bchm2.1984.365.2.1271\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Hoppe-Seyler's Zeitschrift fur physiologische Chemie","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1515/bchm2.1984.365.2.1271","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Circadian rhythm of acid phosphatase activity in rat liver microsomes and dependence of NADH 5 alpha-reductase on phosphatase activity.
The specific activity of acid phosphatase in male and female rats follows a circadian rhythm. Preincubation of liver microsomes with testosterone led to an increase of phosphatase activity and a loss of circadian rhythm. NADH 5 alpha-reductase was inactivated by several animal and bacterial acid and alkaline phosphatases while the acid phosphatase from potatoes was ineffective. The extent of inhibition depends on the course of circadian rhythm of NADH 5 alpha-reductase activity. Preincubation of microsomes in the presence of testosterone inhibited the NADH 5 alpha-reduction of testosterone. No such inhibition was observed after preincubation of microsomes with progesterone.
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