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Apoptosis of matured T lymphocytes induced by mouse sertoli cells in cocultures in vitro

Apoptosis of matured T lymphocytes induced by mouse sertoli cells in cocultures in vitro
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摘要 Objective:To studywhethermousesertolicellscaninducetheapoptosisof maturedT lymphocytesincocultures in vitro.Methods:WithTUNEL,DNAelectrophoresis,electro-micrographyandflowcytometry,we examinedtheapopto-sisanditsratesof mousematuredT lymphocytesincontrolgroup(T lymphocytesonly),groupA(T lymphocytes+culture mediumof sertolicells),groupB(T lymphocytes+sertolicells).Results:Underelectro-micrography,chromatinconden-sation,karyopyknosis,karyorhexisandapoptoticbodywereobservedinsomeT lymphocytesin3groups;somenucleuses werestaineddarkbluewithTUNEL;a typicalDNAladderwas foundwithDNAelectrophoresis.Theapoptoticratesof T lymphocytesingroupA andB weresignificantlyhigherthanthatincontrolgroup(P<0.01).Theapoptoticrateof T lym-phocytesingroupB wassignificantlyhigherthanthatingroupA(P<0.01).Conclusion:Incocultureconditionin vitro,mousesertolicellscaninducetheapoptosisof maturedT lymphocytes. Objective:To studywhethermousesertolicellscaninducetheapoptosisof maturedT lymphocytesincocultures in vitro.Methods:WithTUNEL,DNAelectrophoresis,electro-micrographyandflowcytometry,we examinedtheapopto-sisanditsratesof mousematuredT lymphocytesincontrolgroup(T lymphocytesonly),groupA(T lymphocytes+culture mediumof sertolicells),groupB(T lymphocytes+sertolicells).Results:Underelectro-micrography,chromatinconden-sation,karyopyknosis,karyorhexisandapoptoticbodywereobservedinsomeT lymphocytesin3groups;somenucleuses werestaineddarkbluewithTUNEL;a typicalDNAladderwas foundwithDNAelectrophoresis.Theapoptoticratesof T lymphocytesingroupA andB weresignificantlyhigherthanthatincontrolgroup(P<0.01).Theapoptoticrateof T lym-phocytesingroupB wassignificantlyhigherthanthatingroupA(P<0.01).Conclusion:Incocultureconditionin vitro,mousesertolicellscaninducetheapoptosisof maturedT lymphocytes.
出处 《Journal of Medical Colleges of PLA(China)》 CAS 2001年第3期183-185,共3页 中国人民解放军军医大学学报(英文版)
基金 SupportedbytheNationalNaturalScienceFoundationofChina(No.39870755)
关键词 SERTOLI CELL T LYMPHOCYTES APOPTOSIS sertolicell T lymphocytes apoptosis
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