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Sci Rep:肾细胞瘤中LAT1的表达作为预后指示因子和治疗靶标鉴定分析

2019-12-06 AlexYang MedSci原创

大型中性氨基酸转运蛋白1(LAT1, SLC7A5)在各种类型的癌症中大量表达,并且被认为该蛋白可以通过自身的中性氨基酸吸收活性来协助癌症的恶化。然而,LAT1在肾细胞癌(RCC)预后和治疗方面的作用仍旧未知。最近,有研究人员回顾性的调查了RCC组织(n=92)中LAT1的表达情况和与临床因子的相关性情况。免疫组化染色结果表明了大多数调查的组织(92%)具有癌症相关的LAT1表达。更多的是,总生存

大型中性氨基酸转运蛋白1(LAT1, SLC7A5)在各种类型的癌症中大量表达,并且被认为该蛋白可以通过自身的中性氨基酸吸收活性来协助癌症的恶化。然而,LAT1在肾细胞癌(RCC)预后和治疗方面的作用仍旧未知。

最近,有研究人员回顾性的调查了RCC组织(n=92)中LAT1的表达情况和与临床因子的相关性情况。免疫组化染色结果表明了大多数调查的组织(92%)具有癌症相关的LAT1表达。更多的是,总生存(OS)和无进展生存(PFS)在LAT1高表达患者中要比那些LAT1低表达患者更短(P=0.018和0.014),并且这些相关性进一步得到了单变量和多变量分析的证实。之后,研究人员测试了选择性LAT1抑制剂-JPH203,对RCC来源的Caki-1和ACHN细胞的效果。研究发现,JPH203能够以剂量依赖的方式抑制这些细胞的生长。更多的是,JPH203能够明显的抑制这些细胞的迁移和浸润活性。

最后,研究人员指出,他们的结果表明了LAT1具有很大的可能性成为预后生物标记和RCC治疗靶标。

原始出处:

Kosuke Higuchi, Shinichi Sakamoto, Keisuke Ando et al. Characterization of the expression of LAT1 as a prognostic indicator and a therapeutic target in renal cell carcinoma. Sci Rep. 20 Nov 2019

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    2019-12-08 zhaojie88
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