簡介:THEEXPRESSIONOFCSRCGENEINTHECARCINOGENESISPROCESSOFHUMANCARDIAADENOCARCINOMAWANGXIUJIA,YUANSHULAN,XIAOLIN,WANGXUHUAANDWANGCHAOJUNPOBOX2345,BEIJING100023,CHINAWJG,1999DECEMBER56488491FAX861085381893WORLDJOURNALOFGASTROENTEROLOGYEMAILWJGWJGNETCOMWWWWJGNETCOMCOPYRIGHT?1999BYTHEWJGPRESSISSN10079327SUBJECTHEADINGSCSRCGENEEXPRESSIONPRODUCTPP60CSRCCARDIAADENOCARCINOMACARCINOGENESISNEOPLASMMETASTASISIMMUNOHISTOCHEMISTRYABSTRACTAIMTOINVESTIGATETHEACTIVATION,EXPRESSIONOFCSRCGENEANDITSROLEINTHECARCINOGENETICPROCESSOFHUMANCARDIAADENOCARCINOMACAMETHODSFIFTYSIXCASESOFCA,34CASESOFNORMAL,36CASESOFPROTIFERATIVEEPITHELIAADJACENTTOCARCINOMA,AND20CASESOFLYMPHNODEMETASTASESOFCAWERESTUDIEDFORPP60CSRC,THEEXPRESSIONPRODUCTOFCSRCGENEIMMUNOHISTOCHEMICALLYBYUSINGTHESPECIFICMONOCLONALANTIBODY,MAB327RESULTSTHEPOSITIVERATESOFPP60CSRCINTHENORMALEPITHELIA,PROTIFERATIVEEPITHELIA,CAANDLYMPHNODEMETASTASESWERE29410/34,94434/36,71440/56AND60012/20,RESPECTIVELY,AMONGTHEM,THEDIFFERENCESOFTHEPOSITIVERATESWERESTATISTICALLYSIGNIFICANTP001THEEXPRESSIONLEVELSOFPP60CSRCINCAANDPROLIFERATIVEEPITHELIAWERESIGNIFICANTLYHIGHERTHANTHATINTHENORMALEPITHELIAP001THEPP60CSRCPOSITIVERATESINTHEPAPILLARY,TUBULAR,POORLYDIFFERENTIATEDANDMUCOUSADENOCARCINOMAWERE7506/8,81818/22,50010/20AND10006/6,RESPECTIVELY,WHEREASTHOSEOFTUBULARANDMUCOUSADENOCARCINOMASWERESIGNIFICANTLYHIGHERTHANTHOSEOFPAPILLARYANDPOORLYDIFFERENTIATEDADENOCARCINOMASP005,ANDTHEPP60CSRCEXPRESSIONLEVELSOFTUBULARANDMUCOUSADENOCARCINOMASWEREALSOSIGNIFICANTLYHIGHERTHANTHOSEOFPAPILLARYANDPOORLYDIFFERENTIATEDADENOCARCINOMASP001CONCLUSIONTHEACTIVATIONANDEXPRESSIONOFCSRCGENEAREASSOCIATEDWITHTHEINITIATIONANDDEVELOPMENTOFHUMANCATHEPROTEINAMOUNTOFPP60CSRCINCREASEDDURINGTHEPROCESSOFCARCINOGENESISANDPP60CSRCEXPRESSIONISALSORELATEDTOLYMPHNODEMETASTASESINTRODUCTIONTHEREISAGENERALTENDENCYINGASTRICCANCERTHATTHEINCIDENCERATEOFCARDIAADENOCARCINOMACAISINCREASINGSTEADLY,ANDCANCEROFTHEDISTALSTOMACHISDECREASINGPROPORTIONATELYTHEBIOLOGICALANDEPIDEMIOLOGICALFEATURESOFCAAREDISTINCTFROMTHOSEOFTHEDISTALSTOMACH,ANDTHEUNDERLYINGCAUSEREMAINEDUNELUCIDATED13PP60CSRCISTHEPRODUCTOFCSRCGENEPOSSESSINGTHEACTIVITYOFTYROSINEKINASEINCREASEDEXPRESSIONOFCSRCGENEHADBEENREPORTEDINSOMEHUMANSARCOMAANDCANCERSOFBREAST4,ESOPHAGUS5,STOMACH6ANDCOLON7,ANDTHEACTIVATIONANDEXPRESSIONOFCSRCGENEMIGHTBEASSOCIATEDWITHTHEINITIATIONANDDEVELOPMENTOFSOMECANCERSOURPREVIOUSSTUDYSHOWEDTHEACTIVATIONANDEXPRESSIONOFCSRCGENEWASASSOCIATEDWITHTHEDEVELOPMENTANDDIFFERENTIATIONOFESOPHAGEALSQUAMOUSCELLCARCINOMAS8,WEBELIEVEDTHATSIMILARCHANGESMIGHTOCCURINCANCEROFCARDIA,THEREFORE,THEFOLLOWINGSTUDYWASCARRIEDOUTMATERIALSANDMETHODSSAMPLECOLLECTIONANDPROCESSINGALL56CASESOFCASAMPLESWERECOLLECTEDFROMTHECAPATIENTSSURGICALLYTREATEDINYANTINGINSTITUTEOFCANCERPREVENTIONOFSICHUANPROVINCEALLTISSUESPECIMENSWEREROUTINELYPROCESSED,FORMALINFIXEDANDPARAFFINEMBEDDED,ATLEAST2SERIALPARAFFINSECTIONSOF4ΜM6ΜMTHICKNESSWEREMADE,ONEWASSTAINEDWITHHEMATOXYLINANDEOSINHEANDTHEOTHERWASUSEDFORPP60CSRCPROTEINDETECTIONBYIMMUNOHISTOCHEMICALSTAININGREAGENTSTHEMONOCLONALANTIBODYMAB327MOUSEIGGWASKINDLYGIVENBYTHEMOLECULARPATHOLOGYINSTITUTEOFCANCERRESEARCH,CANCERCENTER,THEFIRSTUNIVERSITYHOSPITALOFWESTCHINAUNIVERSITYOFMEDICALSCIENCES,CHENGDU610041,SICHUANPROVINCE,CHINAWANGXIUJIE,MALE,BORNON19570215INZIYANG,SICHUANPROVINCEANDGRADUATEDFROMWESTCHINAUNIVERSITYOFMEDICALSCIENCESIN1982,NOWASSOCIATEPROFESSOROFONCOLOGY,ENGAGEDINTHERESEARCHESOFETIOLOGYANDMECHANISMSOFCARCINOGENESISOFCANCERS,SCREENINGANDDEVELOPINGANTICANCERDRUGS,HAVING20PAPERSPUBLISHEDPROJECTSUPPORTEDBYTHEGRANTOFWESTCHINAUNIVERSITYOFMEDICALSCIENCES,NOL293015CORRESPONDENCETOWANGXIUJIE,INSTITUTEOFCANCERRESEARCH,CANCERCENTER,THEFIRSTUNIVERSITYHOSPITALOFWESTCHINAUNIVERSITYOFMEDICALSCIENCES,CHENGDU610041,SICHUANPROVINCE,CHINATEL86285501218,FAX86285583252RECEIVED19990721ACCEPTED19990922FIGURE1THEEXPRESSIONOFPP60CSRCINTHEPROLIFERATIVEEPITHELIAADJACENTTOCARCINOMALSAB200FIGURE2THEEXPRESSIONOFPP60CSRCINTUBULARADENOCARCINOMALSAB200FIGURE3THEEXPRESSIONOFPP60CSRCINTHEPOORLYDIFFERENTIATEDADENOCARCINOMALSAB200FIGURE4THEEXPRESSIONOFPP60CSRCINTHELYMPHNODEMETASTASISOFCALSAB200TABLE1THEEXPRESSIONOFPP60CSRCINCAANDRELATEDLESIONSSTAININGINTENSITYLESIONCASEPOSITIVERATENORMALEPITHELIA3424705102940010294PROLIFERATIVEEPITHELIA36256616728778D34944BCARDIAADENOCARCINOMA56162862035720357D40714BLYMPHNODEMETASTASES2084008400420012600BP001,INCOMPARISONOFTHEPOSITIVERATESINDIFFERENTLESIONSΧ23419VSNORMALEPITHELIADP001,INCOMPARISONOFTHEPOSITIVEINTENSITYINDIFFERENTLESIONSΧ22508VSNORMALEPITHELIATABLE2THEEXPRESSIONOFPP60CSRCINCAOFDIFFERENTHISTOLOGICALTYPESSTAININGINTENSITYLESIONCASEPOSITIVERATE0/10PAPILLARY822506750006750TUBULAR224182418214636B18818APOORLYDIFFERENTIATED2010500105000010500MUCOUS6000061000B61000ATOTAL5616286203572035740714AP005,INCOMPARISONOFTHEPOSITIVERATESOFTUBULARANDMUCOUSADENOCARCINOMASVSTHOSEOFPAPILLARYANDPOORLYDIFFERENTIATEDADENOCARCINOMASΧ2811BP001,INCOMPARISONOFTHEPOSITIVERATESOFTUBULARANDMUCOUSADENOCARCINOMASVSTHOSEOFPAPILLARYANDPOORLYDIFFERENTIATEDADENOCARCINOMASΧ22756DISCUSSIONPP60CSRCISAPHOSPHORYLATEDCYTOPLASMICPROTEINENCODEDBYCSRCGENE,HAVINGTHEACTIVITYOFTYROSINEKINASETHEEXPRESSIONOFPP60CSRCCANBEFOUNDINMANYNORMALCELLS,WHICHPLAYSIMPORTANTROLESINTHEREGULATIONOFCELLPROLIFERATION,DIFFERENTIATIONANDTRANSFORMATION4RECENTSTUDIESINDICATEDTHATTHEINCREASEINTHEAMOUNTOFPP60CSRCPROTEINANDKINASEACTIVITYWASASSOCIATEDWITHINITIATIONANDDEVELOPMENTOFSOMEHUMANNEOPLASMS,ANDTHEACTIVATIONANDINCREASEOFEXPRESSIONWEREONEOFTHEFACTORSFORCANCERINITIATION48INTHISSTUDY,THEEXPRESSIONSOFPP60CSRCINCA,PROLIFERATIVEEPITHELIAANDNORMALEPITHELIAWERE71440/56,94434/36AND29410/34,RESPECTIVELYANDTHEPOSITIVERATESOFPP60CSRCINCAANDPROLIFERATIVEEPITHELIAWEREMUCHHIGHERTHANTHATINTHENORMALEPITHELIAP001JANKOWISKIETALANALYZEDTHEEXPRESSIONPRODUCTOFCSRCGENEIN15CASESOFESOPHAGEALADENOCARCINOMAAND15CASESOFBARRETT’SESOPHAGEALEPITHELIAIMMUNOHISTOCHEMICALLY,THEPOSITIVERATESWERE203/15,SUGGESTINTHATTHEEXPRESSIONOFCSRCGENEISRELATEDTOTHEDEVELOPMENTOFESOPHAGEALADENOCARCINOMATHEREFORE,THERESULTSOFTHISSTUDYINDICATEDTHATTHEACTIVATIONANDEXPRESSIONOFCSRCGENEMIGHTBEASSOCIATEDWITHTHEINITIATIONANDDEVELOPMENTOFCAHOWEVER,THEHIGHEXPRESSIONOFPP60CSRCINTHEPROLIFERATIVEEPITHELIAMIGHTBEASSOCIATEDWITHTHEPROLIFERATIONOFGLANDULAREPITHELIALCELLS,OCCURRINGINTHEAGEDRATS9THELOWPP60CSRCEXPRESSIONINSOMENORMALEPITHELIAADJACENTTOCANCERMIGHTBEEXPLAINEDBYTHEFACTTHATTHEREHAD490ISSN10079327CN141219/RWJGDECEMBER1999VOLUME5NUMBER6
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