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Oncotarget:预测卵巢癌患者新辅助化疗响应的MicroRNA

2014-06-23 佚名 生物谷

近日,Oncotarget杂志上的一项新研究发现MicroRNA中的miR-193a-5p表达,与HGF和c-Met蛋白表达一起与卵巢癌患者对新辅助化疗(NACT)的响应有相关性。 主要研究人员Marisa Mariani博士和他的同事试图确定卵巢癌患者抵抗NACT的机制。对一组85例患者的MicroRNA表达进行筛选,计算microRNA和各类基因之间显著相关性。在验证组的109例患者中,定

近日,Oncotarget杂志上的一项新研究发现MicroRNA中的miR-193a-5p表达,与HGF和c-Met蛋白表达一起与卵巢癌患者对新辅助化疗(NACT)的响应有相关性。

主要研究人员Marisa Mariani博士和他的同事试图确定卵巢癌患者抵抗NACT的机制。对一组85例患者的MicroRNA表达进行筛选,计算microRNA和各类基因之间显著相关性。在验证组的109例患者中,定量免疫组化方法验证此相关性。

研究人员发现,在新辅助化疗(NACT)响应组,miR-193A-5P是显著高表达。这种小分子RNA 与HGF和MET基因表达也具有显著相关性。在新辅助化疗前后分析蛋白表达,发现HGF和MET在新辅助化疗后增加。HGF和c-Met表达的最高相关性在新辅助化疗后不久就复发的患者中呈现,而相反的现象主要出现在对新辅助化疗有最好响应的患者中。

miR-193a-5p、HGF和c-Met的表达可能有助于筛选符合新辅助化疗(NACT)条件的患者。此外,上述基因/蛋白途径的抑制剂可改善NACT的疗效。

原始出处:

Marisa Mariani, et alMariani M, McHugh M, Petrillo M, et al. HGF/c-Met Axis Drives Cancer Aggressiveness in the Neo-Adjuvant Setting of Ovarian Cancer.

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    2015-04-11 xjy02
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    2015-02-27 闆锋旦
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    2014-06-25 zhouqu_8

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