Studies on thymocyte subpopulations in guinea pigs. VIII. Characterization of a thymocyte population resistant to the cytotoxic effect of normal rabbit serum.
{"title":"Studies on thymocyte subpopulations in guinea pigs. VIII. Characterization of a thymocyte population resistant to the cytotoxic effect of normal rabbit serum.","authors":"G Sandberg, C Stenvinkel, S Kölare","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Guinea pig thymocytes were incubated with normal rabbit serum, which resulted in the death of a great majority of the cells. The remaining rabbit serum-resistant cells, representing less than 10% of the thymocytes, contained euchromatic DNA and were of intermediate size and low density. Functional tests indicated that they were enriched in immunologically mature cells, which responded to the mitogenic lectins phytohemagglutinin and concanavalin A, and were depleted of immature, spontaneously proliferating cells and in cells responding to the thymocyte growth peptide. The described procedure for enrichment of immunologically mature thymus cells in guinea pigs may become useful since glucocorticoid treatment, used in mice for enrichment of mature thymocytes, cannot be used for this purpose in guinea pigs.</p>","PeriodicalId":75839,"journal":{"name":"Experimental cell biology","volume":"56 3","pages":"159-68"},"PeriodicalIF":0.0000,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Experimental cell biology","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
Guinea pig thymocytes were incubated with normal rabbit serum, which resulted in the death of a great majority of the cells. The remaining rabbit serum-resistant cells, representing less than 10% of the thymocytes, contained euchromatic DNA and were of intermediate size and low density. Functional tests indicated that they were enriched in immunologically mature cells, which responded to the mitogenic lectins phytohemagglutinin and concanavalin A, and were depleted of immature, spontaneously proliferating cells and in cells responding to the thymocyte growth peptide. The described procedure for enrichment of immunologically mature thymus cells in guinea pigs may become useful since glucocorticoid treatment, used in mice for enrichment of mature thymocytes, cannot be used for this purpose in guinea pigs.
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