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Inhibition of protein translational machinery in triple-negative breast cancer as a promising therapeutic strategy
Cell Reports Medicine ( IF 11.7 ) Pub Date : 2024-05-09 , DOI: 10.1016/j.xcrm.2024.101552
Arpit Dheeraj 1 , Fernando Jose Garcia Marques 2 , Dhanir Tailor 1 , Abel Bermudez 2 , Angel Resendez 3 , Mallesh Pandrala 4 , Benedikt Grau 4 , Praveen Kumar 4 , Carrsyn B Haley 5 , Alexander Honkala 4 , Praveen Kujur 6 , Stefanie S Jeffrey 6 , Sharon Pitteri 2 , Sanjay V Malhotra 1
Affiliation  

Y-box binding protein-1 (YB-1) is a proto-oncogenic protein associated with protein translation regulation. It plays a crucial role in the development and progression of triple-negative breast cancer (TNBC). In this study, we describe a promising approach to inhibit YB-1 using SU056, a small-molecule inhibitor. SU056 physically interacts with YB-1 and reduces its expression, which helps to restrain the progression of TNBC. Proteome profiling analysis indicates that the inhibition of YB-1 by SU056 can alter the proteins that regulate protein translation, an essential process for cancer cell growth. Preclinical studies on human cells, mice, and patient-derived xenograft tumor models show the effectiveness of SU056. Moreover, toxicological studies have shown that SU056 treatment and dosing are well tolerated without any adverse effects. Overall, our study provides a strong foundation for the further development of SU056 as a potential treatment option for patients with TNBC by targeting YB-1.

中文翻译:


抑制三阴性乳腺癌中的蛋白质翻译机制是一种很有前途的治疗策略



Y-box binding protein-1 (YB-1) 是一种与蛋白质翻译调节相关的原癌蛋白。它在三阴性乳腺癌 (TNBC) 的发生和发展中起着至关重要的作用。在这项研究中,我们描述了一种使用小分子抑制剂 SU056 抑制 YB-1 的有前途的方法。SU056 与 YB-1 发生物理相互作用并降低其表达,这有助于抑制 TNBC 的进展。蛋白质组分析分析表明,SU056 对 YB-1 的抑制可以改变调节蛋白质翻译的蛋白质,这是癌细胞生长的重要过程。对人类细胞、小鼠和患者来源的异种移植肿瘤模型的临床前研究表明 SU056 的有效性。此外,毒理学研究表明,SU056 治疗和给药耐受性良好,无任何不良反应。总体而言,我们的研究为进一步开发 SU056 作为靶向 YB-1 的 TNBC 患者的潜在治疗选择提供了坚实的基础。
更新日期:2024-05-09
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