摘要
Thematrixmetalloproteinases(MMPs)areafamilyofzine-dependentendopeptidasesthatplayakeyroleinbothnormalandpathologicalprocessesinvolvingtissueremodelingevents.Theexpressionoftheseproteolyticenzymesishighlyregulatedbyabalancebetweenextracellularmatrix(ECM)depositionanditsdegradation,andiscontrolledbygrowthfactors,cytokines,hormones,aswellasinteractionswiththeECMmacromolecules.Furthermore,theactivityoftheMMPsisregulatedbytheirnaturalendogenousinhibitors,whicharemembersofthetissueinhibitorofmetalloproteinases(TIMP)family.Inthenormalmammarygland,MMPsareexpressedduringductaldevelopment,lobulo-alveolardevelopmentinpregnancyandinvolutionafterlactation.Underpathologicalconditions,suchastumorigenesis,thedysregulatedexpressionofMMPsplayaroleintumorinitiation,progressionandmalignantconversionaswellasfacilitatinginvasionandmetastasisofmalignantcellsthroughdegradationoftheECMandbasementmembranes.
出版日期
1998年03月13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)