Zhang Han, Yu Siqi, Wang Ying, Wu Shanmei, Shan Changliang, Zhang Weicheng
College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, China.
Int J Mol Sci. 2025 Jul 29;26(15):7331. doi: 10.3390/ijms26157331.
Eukaryotic elongation factor 1A (eEF1A), the second most abundant intracellular protein, not only plays a key role in peptide elongation, but is also capable of numerous moonlighting functions. Within malignant cells, eEF1A is by no means a neutral bystander but instead actively participates in oncogenic transformations via a myriad of molecular pathways. Thus far, a broad range of small-molecule inhibitors have been identified, which, despite their structural diversity, suppress tumor growth by targeting eEF1A. Interestingly, just as eEF1A enables its oncogenic potential far beyond boosting protein translation, these targeted agents disrupt this oncoprotein via multiple axes distinct from mere protein synthesis inhibition. Whereas the oncogenic mechanisms of eEF1A has been well documented, there lacks a systemic survey of the eEF1A-targeting agents in terms of their mechanisms. Accordingly, the present work aims to examine their multifaceted modes of action more than just blocking protein synthesis. By unveiling these insights, our deepened knowledge of these eEF1A-binding inhibitors will inform the development of future eEF1A-targeted drugs for cancer treatment.
真核生物延伸因子1A(eEF1A)是细胞内第二丰富的蛋白质,不仅在肽链延伸中起关键作用,还具有多种兼职功能。在恶性细胞中,eEF1A绝不是一个中立的旁观者,而是通过无数分子途径积极参与致癌转化。迄今为止,已鉴定出多种小分子抑制剂,尽管它们结构多样,但通过靶向eEF1A来抑制肿瘤生长。有趣的是,正如eEF1A发挥其致癌潜力远不止于促进蛋白质翻译一样,这些靶向药物通过不同于单纯抑制蛋白质合成的多个轴来破坏这种癌蛋白。虽然eEF1A的致癌机制已有充分记录,但缺乏对靶向eEF1A药物作用机制的系统研究。因此,本研究旨在探讨它们不仅仅是阻断蛋白质合成的多方面作用模式。通过揭示这些见解,我们对这些eEF1A结合抑制剂的深入了解将为未来用于癌症治疗的eEF1A靶向药物的开发提供信息。
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