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Abstract

Cancer Research

使用卡诺哈布迪炎埃莱甘斯识别 EGFR 和 RAS 抑制剂

Published: October 5th, 2020

DOI:

10.3791/61788

1Department of Diagnostic and Biomedical Sciences, School of Dentistry, University of Texas Health Science Center, 2Department of Integrative Biology and Pharmacology, McGovern Medical School, University of Texas Health Science Center

Abstract

表皮生长因子受体(EGFR)及其下游效应器RAS的血浆膜定位变化与包括癌症在内的多种疾病有关。自由活的线虫 C.elegans 具有进化和功能保存的EGFR-RAS-ERK MAP信号级联,是外阴发育的核心。RAS同源LET-60和EGFR同源LET-23功能突变的增益诱导这些蠕虫的腹壁产生可见的非功能性异位伪外阴。以前,这些蠕虫中的多外阴(Muv)表型已被小化学分子抑制。在这里,我们描述了在液体基检测中使用蠕虫来识别消除EGFR和RAS蛋白活动的抑制剂的协议。通过此检测,我们显示 K-RAS 的间接抑制剂 R-fendiline 抑制 了在 let-60 (n1046)让-23 (sa62) 突变蠕虫中表达的 Muv 表型。检测简单、价格低廉,设置不费时,可作为发现抗癌治疗的初始平台。

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164 LET 60 LET 23 K RAS EGFR GFP

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