简介：Aim:Toidentifythegenesspecificallyexpressedinhumanadultandfetaltestesandspermatozoa.Methods:AhumantestiscDNAmicroarraywasestablished.ThenmRNAsofhumanadultandfetaltestisandspermatozoawerepurifiedandprobeswerepreparedbyareversetranscriptionreactionwithmRNAasthetemplate.Themicroarraywashybridizedwithprobesofadultandfetaltestesandspermatozoa.ThenucleicacidsequencesofdifferentiallyexpressedgenesweredeterminedandhomologiesweresearchedinthedatabasesofGenBank.Results:Anovelhumantestis-specificgene,PKH-T,wasidentifiedbyhybridizingadultandfetaltestisandspermatozoaprobeswithahumantestiscDNAmicroarray.ThecDNAofPKH-Twas1069bpinlength.ThecDNAsequenceofthisclonewasdepositedintheGenbank(AY303972)andPKH-TwasalsodeterminedasInterimGenSymbol(Unigene,HS.38041).PKH-TcontainedmostPKHconservedmotif.The239aminoacidsequencesdeducedfromthe719bpopenreadingframe(ORF)hadahomologywiththegenePKH(U89606).PKH-Twasspecificallyandstronglyexpressedinthetestis.ComparisonofthedifferentialexpressionsofPKHandPKH-Tintestesofdifferentdevelop-mentalstagesindicatedthatPKH-Twasexpressedintheadulttestisandspermatozoa,whilePKH,intheadult,fetalandagedtestes.PKH-ThadnoexpressioninthetestisofSertolicellonlyandpartiallyspermatogenicarrestpatients.Conclusion:PKH-Tisagenehighlyexpressedinadulthumantestisandspermatozoa.Itmayplayanimportantroleinspermatogenesisandcouldberelatedtomaleinfertility.

简介：可控性尿流改道需制作容量适当、低压、可控的储尿囊，输尿管与储尿囊吻合的抗返流设计是一个重要方面。2004年11月至2005年10月施行的8例Tpouch原位回肠新膀胱术，抗返流效果良好，报告如下。

简介：目的:探讨儿童原发性肾病综合征(NS)T细胞亚群检测的临床意义.方法:对25例NS活动期和缓解期患儿应用流式细胞仪检测T细胞亚群的变化.结果:NS活动期组CD3+、CD4+、CD4+/CD8+比值、NK[CD(16+56)]+细胞均明显低于缓解期组(P＜0.01)和对照组(P＜0.01).结论:说明NS细胞免疫功能减低,T细胞亚群检测可作为肾病综合征活动指标之一.