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作者信息

Haider Shaista, Chakraborty Shayantani, Chowdhury Goutam, Chakrabarty Anindita

机构信息

Department of Life Sciences, Shiv Nadar Institution of Eminence, Greater Noida Gautam Buddha Nagar Uttar Pradesh 201314, India.

Independent Researcher, Greater Noida Gautam Buddha Nagar Uttar Pradesh 201308, India.

出版信息

ACS Pharmacol Transl Sci. 2024 Apr 29;7(5):1237-1251. doi: 10.1021/acsptsci.3c00279. eCollection 2024 May 10.

Abstract

Survivin, a cancer-cell-specific multifunctional protein, is regulated by many oncogenic signaling pathways and an effective therapeutic target. Although, several types of survivin-targeting agents have been developed over the past few decades, none of them received clinical approval. This could be because survivin expression is tightly controlled by the feedback interaction between different signaling molecules. Of the several signaling pathways that are known to regulate survivin expression, the phosphatidylinositol 3-kinase/AKT serine-threonine kinase/forkhead boxO (PI3K/AKT/FoxO) pathway is well-known for feedback loops constructed by cross-talk among different molecules. Using sepantronium bromide (YM155), the first of its class of survivin-suppressant, we uncovered the existence of an interesting cross-talk between Nuclear Factor Erythroid 2-Related Factor 2 (NRF2) and FoxO transcription factors that also contributes to YM155 resistance in triple negative breast cancer (TNBC) cells. Pharmacological manipulation to interrupt this interaction not only helped restore/enhance the drug-sensitivity but also prompted effective immune clearance of cancer cells. Because the YM155-induced reactive oxygen species (ROS) initiates this feedback, we believe that it will be occurring for many ROS-producing chemotherapeutic agents. Our work provides a rational explanation for the poor efficacy of YM155 compared to standard chemotherapy in clinical trials. Finally, the triple drug combination approach used herein might help reintroducing YM155 into the clinical pipeline, and given the high survivin expression in TNBC cells in general, it could be effective in treating this subtype of breast cancer.

摘要

生存素是一种癌细胞特异性的多功能蛋白,受多种致癌信号通路调控,是一个有效的治疗靶点。尽管在过去几十年中已开发出几种靶向生存素的药物,但均未获得临床批准。这可能是因为生存素的表达受到不同信号分子之间反馈相互作用的严格控制。在已知调控生存素表达的几种信号通路中,磷脂酰肌醇3激酶/AKT丝氨酸 - 苏氨酸激酶/叉头框O(PI3K/AKT/FoxO)通路因不同分子间相互作用形成的反馈环而闻名。使用同类首个生存素抑制剂溴化塞潘托铵(YM155),我们发现核因子红细胞2相关因子2(NRF2)和FoxO转录因子之间存在有趣的相互作用,这也导致三阴性乳腺癌(TNBC)细胞对YM155产生耐药性。通过药物干预阻断这种相互作用不仅有助于恢复/增强药物敏感性,还能促使癌细胞得到有效的免疫清除。由于YM155诱导的活性氧(ROS)引发了这种反馈,我们认为许多产生ROS的化疗药物也会出现这种情况。我们的工作为YM155在临床试验中与标准化疗相比疗效不佳提供了合理的解释。最后,本文采用的三联药物组合方法可能有助于将YM155重新引入临床应用,鉴于TNBC细胞中普遍存在高生存素表达,它可能对治疗这种亚型的乳腺癌有效。

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ACS Pharmacol Transl Sci. 2024 Apr 29;7(5):1237-1251. doi: 10.1021/acsptsci.3c00279. eCollection 2024 May 10.

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