DELETION AND INACTIVATION OF RETINOBLASTOMA SUSCEPTIBILITY GENE IN PRIMARY RETINOBLASTOMA

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摘要 ThestatusandexpressionofRbgenewasdetectedandanalyzedin19surgicalretinoblastomaspecimensusingRbcDNA3.8kband0.9kbfragmentasprobeandantibodiesspecificforsyntheticRbpeptideorexpressiveproductofRbgeneexpressionplasmld.DNAfromthosetumorshadthehemlzygousdeletionin3cases,thehomozygousinternaldeletionIn2casesandalteratedrestrictionfragmentinvolvingInonecopyofRbgeneIn1case.ThequantityofRbproteindemonstratedeitherabsenceofreductioninallthe16casesexaminedIncomparisonwiththatinnormaladultretina.Itsuggestedthattherewerestructuralor/andfunctionaldefectsofRbgeneInretinoblastomacellsandprovidedevidencetosupportKnudson’stwohithypothesis.
机构地区 不详
出版日期 1992年01月11日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)
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