摘要
AIMTocompareKAI1incancerofpapillaofVaterandpancreastoevaluatewhethertherearedifferencesinbiologicbehaviorwhichmightaccountforprognosis.METHODSWecomparedtheexpressionin24papillayand29pancreaticcancersusingNorthernblotanalysis,immunochemicalassayandinsituhybridization,andinvestigatedwhetherearlydiagnosisormoleculardifferencespredicttheoutcomeinthesetumorentities.RESULTSByNorthernblotanalysisthereisnostatisticaldifferenceofKAI1levelsinnormalandcancerouspapilla.NoassociationbetweenKAI1mRNAexpressionandtumorstageortumordifferentiationwasfoundinthetumors.Byimmunohistochemicalassay,KAI1stainingincytoplasmofpapillarycancercellswassimilartothatofnormalpapillarycells.Byinsituhybridization,theresultsofKAI1mRNAexpressioninnormalandcancerouspapillaweresimilartothosewithimmunohistochemicalassay.Thenormalandcancerouspancreastissueswerealsoanalyzedbythemethodsusedinpapillarysamples.CONCLUSIONAlthoughthebiologicrolesofKAI1havenotbeenclarified,ourresultssuggestthatKAI1mayrestricttheprogressionofmalignantpapillarycancer,butitsexpressionmightnothaveanyeffectonthecharacteristicsofpapillarytumor,whereasbytheanalysisofKAl1gene,itsreducedexpressioniscloselyrelatedtotheprogressionandmetastasesofpancreaticcancer.
出版日期
2000年06月16日（中国期刊网平台首次上网日期，不代表论文的发表时间）
