Targeting the cell signaling pathway Keap1-Nrf2 as a therapeutic strategy for adenocarcinomas of the lung

Targeting the cell signaling pathway Keap1-Nrf2 as a therapeutic strategy for adenocarcinomas of the lung
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靶向细胞信号通路 Keap1-Nrf2 作为肺腺癌的治疗策略

DOI:
10.1080/14728222.2019.1559824
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发表时间:
2019-03
影响因子:
5.8
通讯作者:
Lin Nengming
Lin Nengming
中科院分区:
医学2区
文献类型:
--
作者:
Zhang Bo;Ma Zhiyuan;Tan Biqin;Lin Nengming

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摘要简介:Kelch 样 ECH 相关蛋白 1/核因子红细胞 2 样因子 2 (Keap1-Nrf2) 信号在肺癌氧化应激反应中发挥关键作用。 KEAP1/NFE2L2 基因突变总是会导致肺癌细胞中 Nrf2 持续激活,从而产生治疗耐药性和侵袭性致瘤活性,从而在临床观察中表明预后不良或对化疗的反应持续时间短。涵盖领域:我们回顾了 Keap1-Nrf2 在不同阶段的调控机制,包括基因突变、表观遗传修饰、翻译/翻译后改变和蛋白质-蛋白质相互作用。基于现有知识,我们讨论了干预肺腺癌中Keap1-Nrf2作为治疗靶点的可能性。专家观点:人们普遍认为Keap1-Nrf2信号在癌症的不同阶段发挥着不同的作用。尽管在过去几十年中已经报道了各种 Nrf2 或 Keap1 抑制剂,但这些抑制剂目前都没有处于临床研究或临床应用中,这表明单独抑制 Nrf2 可能不足以抑制肿瘤生长。基于目前的研究,我们认为,Nrf2抑制与导致氧化失衡或代谢异常的化学药物的合理组合在肺腺癌的治疗中具有广阔的前景。
ABSTRACT Introduction: Kelch-like ECH associated protein 1/Nuclear factor erythroid 2-like factor 2 (Keap1-Nrf2) signaling plays a pivotal role in response to oxidative stress in lung cancer. Mutations in KEAP1/NFE2L2 genes always cause persistent Nrf2 activation in lung cancer cells that confer therapeutic resistance and aggressive tumorigenic activity, dictating either poor prognosis or short duration of response to chemotherapy in clinical observations. Areas covered: We provide a review of the mechanisms underlying the regulation of Keap1-Nrf2 at different stages, including genetic mutations, epigenetic modifications, translational/post-translational alterations, and protein–protein interactions. Based on the current knowledge, we discuss the possibilities of intervening Keap1-Nrf2 in lung adenocarcinoma as a therapeutic target. Expert opinion: It is prevalently conceived that Keap1-Nrf2 signaling plays different roles at diverse stages of cancer. Although various Nrf2 or Keap1 inhibitors have been reported during the last decades, none of these inhibitors are currently under clinical studies or in clinical applications, suggesting that sole inhibition of Nrf2 might not be sufficient to suppress tumor growth. On the basis of current studies, we suggest that the rational combination of Nrf2 suppression with chemical agents which cause enhanced oxidative imbalance or abnormal metabolism would be promising in the treatment of lung adenocarcinoma.
同时发生的基因组改变对KRAS突变非小细胞肺癌患者结局的影响。
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