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Brit J Cancer:肾细胞癌中apelin和apelin受体表达研究

2019-03-11 AlexYang MedSci原创

APLNR(apelin受体)是癌症免疫治疗的一个潜在的基因,APLNR的缺失能够导致免疫治疗的失败。最近,有研究人员调查了肾细胞肿瘤(RCC)患者中APLN(apelin)和APLNR的表达,并调查了与临床病理参数和生存的相关性。研究包括了3个详细鉴定过的RCC患者群体:研究群体1(透明细胞RCC;APLN/APLNR mRNA表达;n=166);TCGA验证群体(透明细胞RCC;APLN/AP

APLNR(apelin受体)是癌症免疫治疗的一个潜在的基因,APLNR的缺失能够导致免疫治疗的失败。最近,有研究人员调查了肾细胞肿瘤(RCC)患者中APLN(apelin)和APLNR的表达,并调查了与临床病理参数和生存的相关性。

研究包括了3个详细鉴定过的RCC患者群体:研究群体1(透明细胞RCC;APLN/APLNR mRNA表达;n=166);TCGA验证群体(透明细胞RCC;APLN/APLNR mRNA表达;n=481);研究群体2(所有RCC亚型;APLNR蛋白表达/免疫组化;n=300)。研究人员还利用统计学方法对mRNA/蛋白表达与临床病理变量/患者生存的相关性进行了测试。研究人员发现,虽然APLN与肿瘤组织等级(TCGA群体)表现出了非常弱的相关性,APLNR/mRNA蛋白表达与ccRCC的恶化显著相关。APLNR在肿瘤血管系统和肿瘤细胞中表达水平不同,并且这些表达水平与肿瘤恶化以相反的方向相关。另外,APLNR表达与PD-L1表达在部分ccRCC患者肿瘤细胞中呈现负相关关系。APLNR表达在任何一个群体中均为ccRCC患者生存的一个独立预后因子。

最后,研究人员指出,APLNR/APLN系统在ccRCC患者中具有重要的作用,但仍需进一步的临床调查。

原始出处:

Yuri Tolkach, JÖrg Ellinger, Anika Kremer et al. Apelin and apelin receptor expression in renal cell carcinoma. Brit J Cancer. 20 Feb 2019.

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    2019-07-16 qindq
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    2019-08-12 feather89
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    2019-03-13 tidiq

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