Ribosomal protein metallopanstimulin-1 impairs multiple myeloma CAG cells growth and inhibits fibroblast growth factor receptor 3.

Ribosomal protein metallopanstimulin-1 impairs multiple myeloma CAG cells growth and inhibits fibroblast growth factor receptor 3.
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DOI:
10.1016/j.clml.2011.06.015
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发表时间:
2011-12
期刊:
Clinical lymphoma, myeloma & leukemia
影响因子:
--
通讯作者:
Stack BC Jr
Stack BC Jr
中科院分区:
其他
文献类型:
--
作者:
Dai Y;Pierson S;Dudney C;Zeng Y;Macleod V;Shaughnessy JD;Stack BC Jr

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我们发现金属泛刺激素-1 (MPS-1, RPS27)抑制头颈部鳞状细胞癌细胞形成的肿瘤的生长,并降低paxillin基因的表达。目前的研究调查了MPS-1是否以及如何影响另一种类型的癌症,多发性骨髓瘤(CAG)。增强MPS-1的表达可显著抑制CAG在体外和体内的发生。MPS-1过表达导致成纤维细胞生长因子(FGF)受体3降低,内源性MAPK/ErK信号通路受损。将重组FGF2添加到过表达MPS-1的骨髓瘤细胞中,不会刺激MAPK/ErK信号。这些数据表明,MPS-1抑制CAG生长,FGF信号的减弱可能有助于这种作用。
We demonstrated that metallopanstimulin-1 (MPS-1, RPS27) inhibited growth of tumors formed by head and neck squamous cell carcinoma cells and reduced paxillin gene expression. The present study examined whether and how MPS-1 affects another type of cancer, multiple myeloma (CAG). Enhanced expression of MPS-1 dramatically inhibited CAG in vitro and in vivo. Overexpression of MPS-1 resulted in decreased fibroblast growth factor (FGF) receptor 3 and impaired endogenous MAPK/ErK signaling. MAPK/ErK signaling was not stimulated by adding recombinant FGF2 to myeloma cells overexpressing MPS-1. These data suggest that MPS-1 suppresses CAG growth and that weakened FGF signaling may contribute to this effect.
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