J T Nikolov, O A Dimitrov, S D Kabaivanova, V L Ivanova, V V Moskova
{"title":"Effect of estradiol on the phosphorylation of rat liver ribosome proteins.","authors":"J T Nikolov, O A Dimitrov, S D Kabaivanova, V L Ivanova, V V Moskova","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The effect of estradiol on phosphorylation with gamma-32P-ATP of ribosome proteins from polyribosome fraction, isolated from female rat liver is found out. Rats (180 g) used were: sham-operated, ovariectomized and treated after ovariectomy for 11 days with 20 micrograms 17 beta-estradiol-dipropionate per 100 g body weight. The estradiol deficiency after ovariectomy decreased phosphorylation, but the estrogenization of ovariectomized rats increases it twice. In vitro the hormone (1-2 mumol/l) [corrected] also stimulated ribosome protein phosphorylation. It is supposed that the hormone may take part in the regulation of protein synthesis in the translational region of the process.</p>","PeriodicalId":11547,"journal":{"name":"Endocrinologia experimentalis","volume":"23 1","pages":"29-35"},"PeriodicalIF":0.0000,"publicationDate":"1989-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Endocrinologia experimentalis","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
The effect of estradiol on phosphorylation with gamma-32P-ATP of ribosome proteins from polyribosome fraction, isolated from female rat liver is found out. Rats (180 g) used were: sham-operated, ovariectomized and treated after ovariectomy for 11 days with 20 micrograms 17 beta-estradiol-dipropionate per 100 g body weight. The estradiol deficiency after ovariectomy decreased phosphorylation, but the estrogenization of ovariectomized rats increases it twice. In vitro the hormone (1-2 mumol/l) [corrected] also stimulated ribosome protein phosphorylation. It is supposed that the hormone may take part in the regulation of protein synthesis in the translational region of the process.
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