{"title":"干扰素。","authors":"A G Morris","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Interferon (IFN)-alpha and -beta are produced by virus-infected cells; IFN-gamma is produced as a primary response of T lymphocytes to mitogenic stimulation, IFN-gamma gene activation being brought about by changes in Ca2+ and phosphatidyl inositol metabolism. IFNs act by binding to cell surface receptors and triggering activation of IFN-responsive genes, probably via specific base sequences located in the 5' non-coding region of such genes, resulting in changes in cell function. Important genes activated in this way are the MHC antigen genes; class I induced by all IFNs, class II by IFN-gamma only. This MHC activation may have important consequences for lymphocyte function.</p>","PeriodicalId":77725,"journal":{"name":"Immunology. Supplement","volume":"1 ","pages":"43-5"},"PeriodicalIF":0.0000,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Interferons.\",\"authors\":\"A G Morris\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Interferon (IFN)-alpha and -beta are produced by virus-infected cells; IFN-gamma is produced as a primary response of T lymphocytes to mitogenic stimulation, IFN-gamma gene activation being brought about by changes in Ca2+ and phosphatidyl inositol metabolism. IFNs act by binding to cell surface receptors and triggering activation of IFN-responsive genes, probably via specific base sequences located in the 5' non-coding region of such genes, resulting in changes in cell function. Important genes activated in this way are the MHC antigen genes; class I induced by all IFNs, class II by IFN-gamma only. This MHC activation may have important consequences for lymphocyte function.</p>\",\"PeriodicalId\":77725,\"journal\":{\"name\":\"Immunology. Supplement\",\"volume\":\"1 \",\"pages\":\"43-5\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Immunology. Supplement\",\"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":"Immunology. Supplement","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Interferon (IFN)-alpha and -beta are produced by virus-infected cells; IFN-gamma is produced as a primary response of T lymphocytes to mitogenic stimulation, IFN-gamma gene activation being brought about by changes in Ca2+ and phosphatidyl inositol metabolism. IFNs act by binding to cell surface receptors and triggering activation of IFN-responsive genes, probably via specific base sequences located in the 5' non-coding region of such genes, resulting in changes in cell function. Important genes activated in this way are the MHC antigen genes; class I induced by all IFNs, class II by IFN-gamma only. This MHC activation may have important consequences for lymphocyte function.
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