Key Laboratory of Diagnostic Medicine Designated by the Chinese Ministry of Education, Chongqing Medical University, Chongqing 400000, China.
Molecular Oncology Laboratory, Department of Surgery, University of Chicago Medical Center, Chicago, IL 60637, USA.
Int J Mol Sci. 2018 Apr 8;19(4):1116. doi: 10.3390/ijms19041116.
As the most common malignant tumor of the urinary system worldwide, the bladder tumor has a high mortality rate, which is mainly due to its onset of concealment. Therefore, research into novel diagnostic markers and treatment of bladder cancer is urgently needed. BMP9 (Bone morphogenetic protein 9) is a member of BMP, which belongs to the TGF-β (transforming growth factor-β) superfamily. It has been associated with multiple tumors. We found that BMP9 is highly expressed in bladder cancer cells and it could significantly promote the proliferation and migration of bladder cancer cells. In the study of the mechanism of this effect, we found that BMP9 can increase the expression of lncRNA () through phosphorylated AKT. The promoting effect of BMP9 on bladder cancer cells was rescued after interfering with in BMP9 overexpressed bladder cancer cells both in vitro and in vivo. Our research confirms that BMP9 promotes the proliferation and migration of bladder cancer cells through up-regulated lncRNA . It also shows that BMP9 is a novel diagnostic marker and a potential therapeutic target in bladder cancer.
作为全球最常见的泌尿系统恶性肿瘤,膀胱癌死亡率较高,主要与其起病隐匿有关。因此,迫切需要研究新型膀胱癌的诊断标志物和治疗方法。BMP9(骨形态发生蛋白 9)是 BMP 家族的成员,属于 TGF-β(转化生长因子-β)超家族。它与多种肿瘤有关。我们发现 BMP9 在膀胱癌细胞中高表达,并且可以显著促进膀胱癌细胞的增殖和迁移。在研究这种作用的机制时,我们发现 BMP9 可以通过磷酸化 AKT 增加 lncRNA ()的表达。在体外和体内实验中,干扰 BMP9 过表达膀胱癌细胞中的 后,BMP9 对膀胱癌细胞的促进作用得到挽救。我们的研究证实,BMP9 通过上调 lncRNA 促进膀胱癌细胞的增殖和迁移。它还表明,BMP9 是膀胱癌的一种新型诊断标志物和潜在治疗靶点。
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