Phosphorylated ERK is a potential prognostic biomarker for Sorafenib response in hepatocellular carcinoma.

Phosphorylated ERK is a potential prognostic biomarker for Sorafenib response in hepatocellular carcinoma.
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磷酸化 ERK 是肝细胞癌索拉非尼反应的潜在预后生物标志物

DOI:
10.1002/cam4.1228
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发表时间:
2017-12
期刊:
影响因子:
4
通讯作者:
Cai X
Cai X
中科院分区:
医学3区
文献类型:
--
作者:
Liang Y;Chen J;Yu Q;Ji T;Zhang B;Xu J;Dai Y;Xie Y;Lin H;Liang X;Cai X

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索拉非尼是唯一获批用于肝细胞癌的药物,是一种显著的Raf丝氨酸 - 苏氨酸激酶抑制剂。然而,索拉非尼价格昂贵,临床经验表明它对许多患者并非一种有效的治疗方法。先前的研究已证明磷酸化细胞外信号调节激酶(pERK)是RAF/MEK/ERK信号通路中的一个关键下游成分。在此,我们研究pERK是否是索拉非尼治疗肝细胞癌的一个有用的生物标志物。体外细胞活力测定显示,根据pERK的水平,索拉非尼的疗效明显不同。此外,在由肝细胞癌标本建立的患者来源的异种移植物中,我们发现索拉非尼治疗显著降低了pERK高水平肿瘤的生长速率。综上所述,pERK是索拉非尼治疗肝细胞癌敏感性的一个潜在生物标志物。
Sorafenib, the only approved drug for hepatocellular carcinoma, acts as a remarkable inhibitor of Raf serine‐threonine kinases. However, Sorafenib is expensive, and clinical experience shows that it is not an effective treatment for many patients. Previous study has demonstrated that phosphorylated ERK (pERK) is a key downstream component in the RAF/MEK/ERK signaling pathway. Here, we investigate whether pERK is a useful biomarker for treating HCC with Sorafenib. In vitro cell viability assays showed that the efficacy of Sorafenib was distinctly different according to the level of pERK. Furthermore, in established patient‐derived xenografts from HCC specimens, we found that the growth rate of tumors with high levels of pERK was significantly decreased by Sorafenib treatment. Taken together, pERK is a potential biomarker for the sensitivity to Sorafenib in treating HCC.
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