Acceleration of Immune Reconstitution after Bone Marrow Transplantation in Mice by Bone Marrow Stromal

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摘要 ToobservepotentialeffectoftheengineeredbonemarrowstromalcelllineQXMSC1secretingIL-6(QXMSCIL-6)onacceleratingimmnunereconstitutioninsyngeneicbonemarrowtransplantationinmice,QXMSC1wastransfectedwiththeeukaryocyticexpressionvectorpcDNAIL-6,whichcontainedhIL-6cDNAbyliposome-mediatedgenetransfectingtechnique.G418-resistanceclonewasselectedbylimitingdilution.ThehighestsecretingclonewasselectedbyELISAassayandusedinanimalexperiments.Therecipientmice(BALB/c)werelethallyirradiatedandcotransplantedsyngeneicbonemarrow(10^7/mice)andtheQXMSCIIL-6(5×10^5/mice).LymphocyteproliferationinducedbyConAandLPS,helperTlymphocyteprecursor(HTLp),cytotoxicTlymphocyteprecursor(CTLp),plaque-formingcell(PFC),delayedtypehypersensitivity(DTH)wereexamined30,60daysinposttransplantationrespectively.TheresultsshowedthatlymphocytesproliferationtoConAandLPS,HTLp,CTLpincreased,DTHandPFCwereimprovedbycograftedstromalcellsQXMSCIIL-6on30,60daysafterBMT.TheseresultsdemonstratedthatthebonemarrowstromalcelllineQXMSC1IL-6transfectedwithIL-6(QXMSC11L-6)acceleratedimmnunereconstitutioninsyngeneicbonemarrowtransplantation.
机构地区 不详
出版日期 2003年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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