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出 处:《国际肿瘤学杂志》2012年第6期411-414,共4页Journal of International Oncology
基 金:天津市应用基础及前沿技术研究计划(11JcYBJc12100)
摘 要:转化生长因子-β受体(TBR)Ⅲ在多种肿瘤组织中常表达缺失,并能负性调控肿瘤的发生,其机制除了依赖Smads的典型转化生长因子-β(TGF-β)信号通路外,还能通过影响P38丝裂原活化蛋白激酶(MAPK)、转录核因子-κB(NF—κB)、Cdc42以及产生可溶性TβR(sTβR)Ⅲ等多种机制调控肿瘤的侵袭、迁移、增殖和凋亡。进一步明确TβRⅢ在肿瘤组织中表达缺失的机制对肿瘤的诊断、治疗和预后评估意义重大。The expression of transforming growth factor( TGF) -β superfamily co-receptor (TβR) Ⅲ is often lost in many kinds of cancers. TβR Ⅲ plays a role of negative regulation in tumorigenesis. TβRⅢ could regulate the cellular invasion, migration, proliferation and apoptosis by multiple mechanisms, such as mediating the TGF-βsignaling pathway, impacting the mitogen-activated protein kinase (MAPK), nuclear factor-kappa B (NF-κB) and Cdc42 and producing soluble TβR(sTβR) m. Defining the mechanisms of absence and physio-logical functions of TβRⅢ in cancers has great significant for the diagnosis, treatment and prognosis of cancer.
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