TROY interacts with RKIP to promote glioma development.

TROY interacts with RKIP to promote glioma development.
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TROY 与 RKIP 相互作用促进胶质瘤发展

DOI:
10.1038/s41388-018-0503-x
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发表时间:
2019-03
期刊:
影响因子:
8
通讯作者:
He C
He C
中科院分区:
医学1区
文献类型:
--
作者:
Liu X;Bao Y;Meng W;Yang P;An Y;Ma J;Tang Y;Liu Z;Lu Y;Zhou J;Zhang Y;Feng J;Gao X;Su Z;Pu Y;He C

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TROY是Nogo受体复合物的组分,在神经元存活、迁移和分化中起关键作用。在这里,我们展示了TROY在人脑胶质瘤组织和细胞中的上调。抑制TROY表达在体内和体外减缓胶质瘤的发展。Raf激酶抑制剂(RKIP)与TROY相互作用。TROY/RKIP的物理相互作用通过免疫共沉淀(co-IP)测定来证实。此外,我们发现TROY/RKIP的相互作用在胎牛血清(FBS)作用下增强,TROY敲低也导致NF-κB表达下调。最后,使用TAT-TROY(234-371 aa)蛋白破坏TROY/RKIP相互作用减少了异种移植小鼠中的神经胶质瘤发展。这表明TROY/RKIP相互作用是胶质瘤治疗的潜在靶点。
TROY is a component of the Nogo receptor complex and plays the key role in neuronal survival, migration, and differentiation. Here, we show the up-regulation of TROY in human glioma tissues and cells. Inhibition of TROY expression slowed glioma development in vivo and in vitro. Raf kinase inhibitor (RKIP) was found to interact with TROY. The physical interaction of TROY/RKIP was confirmed via co-immunoprecipitation (co-IP) assays. Furthermore, we found that the TROY/RKIP interaction was enhanced by fetal bovine serum (FBS) exposure, and TROY knockdown also led to down-regulation of NF-κB. Finally, disruption of the TROY/RKIP interaction using the TAT-TROY (234–371 aa) protein reduced the glioma development in xenografted mice. This suggests the TROY/RKIP interaction is a potential target for therapy of gliomas.
DOI: 10.1038/ng.601
发表时间: 2010-07-01
期刊: NATURE GENETICS
影响因子: 30.8
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