{"title":"视黄酸反应细胞系中的核视黄酸结合蛋白和受体。","authors":"A K Daly, J L Rees, C P Redfern","doi":"10.1159/000163547","DOIUrl":null,"url":null,"abstract":"Nuclear retinoic-acid-binding activity and the expression of retinoic acid receptor mRNA (RAR-alpha and RAR-beta) were assayed in the F9 embryonal carcinoma, HeLa, HL-60 promyelocytic leukaemia and S91 melanoma cell lines. A 4-svedberg nuclear retinoic-acid-binding activity was detected in all 4 cell lines, but the levels in the HeLa and HL-60 cells were lower than in the F9 and S91 lines. RAR-alpha mRNA was expressed in all 4 cell lines, although at a very low level in S91 cells. Conversely, RAR-beta mRNA was expressed in S91 cells and, at a lower level, in F9 cells but was undetectable in HeLa and HL-60 cells. RAR-beta, transcribed and translated in vitro from the cloned cDNA coding region, sedimented at 4 S and this suggests that the 4-svedberg nuclear retinoic-acid-binding activity may represent the retinoic acid receptors.","PeriodicalId":75839,"journal":{"name":"Experimental cell biology","volume":"57 6","pages":"339-45"},"PeriodicalIF":0.0000,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000163547","citationCount":"4","resultStr":"{\"title\":\"Nuclear retinoic-acid-binding proteins and receptors in retinoic-acid-responsive cell lines.\",\"authors\":\"A K Daly, J L Rees, C P Redfern\",\"doi\":\"10.1159/000163547\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Nuclear retinoic-acid-binding activity and the expression of retinoic acid receptor mRNA (RAR-alpha and RAR-beta) were assayed in the F9 embryonal carcinoma, HeLa, HL-60 promyelocytic leukaemia and S91 melanoma cell lines. A 4-svedberg nuclear retinoic-acid-binding activity was detected in all 4 cell lines, but the levels in the HeLa and HL-60 cells were lower than in the F9 and S91 lines. RAR-alpha mRNA was expressed in all 4 cell lines, although at a very low level in S91 cells. Conversely, RAR-beta mRNA was expressed in S91 cells and, at a lower level, in F9 cells but was undetectable in HeLa and HL-60 cells. RAR-beta, transcribed and translated in vitro from the cloned cDNA coding region, sedimented at 4 S and this suggests that the 4-svedberg nuclear retinoic-acid-binding activity may represent the retinoic acid receptors.\",\"PeriodicalId\":75839,\"journal\":{\"name\":\"Experimental cell biology\",\"volume\":\"57 6\",\"pages\":\"339-45\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1989-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1159/000163547\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Experimental cell biology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1159/000163547\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Experimental cell biology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1159/000163547","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Nuclear retinoic-acid-binding proteins and receptors in retinoic-acid-responsive cell lines.
Nuclear retinoic-acid-binding activity and the expression of retinoic acid receptor mRNA (RAR-alpha and RAR-beta) were assayed in the F9 embryonal carcinoma, HeLa, HL-60 promyelocytic leukaemia and S91 melanoma cell lines. A 4-svedberg nuclear retinoic-acid-binding activity was detected in all 4 cell lines, but the levels in the HeLa and HL-60 cells were lower than in the F9 and S91 lines. RAR-alpha mRNA was expressed in all 4 cell lines, although at a very low level in S91 cells. Conversely, RAR-beta mRNA was expressed in S91 cells and, at a lower level, in F9 cells but was undetectable in HeLa and HL-60 cells. RAR-beta, transcribed and translated in vitro from the cloned cDNA coding region, sedimented at 4 S and this suggests that the 4-svedberg nuclear retinoic-acid-binding activity may represent the retinoic acid receptors.
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