向瘤转录因子c-myc通过寡核酸PROTAC用于治疗肝细胞癌
Min Ai1, Hulin Ma1, Jianhua He1
1Center for Molecular Oncology, Frontiers Science Center for Disease-related Molecular Network, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610064, China.
European journal of medicinal chemistry
|October 24, 2024
概括
新型寡核酸蛋白溶解向仿真体 (PROTACs) 有效降解肝细胞癌 (HCC) 中的致癌性c-Myc蛋白. 这种有针对性的方法抑制了小鼠的瘤生长,为HCC提供了一个有希望的新治疗策略.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 药物发现 药物发现 药物发现
背景情况:
- 肝细胞癌 (HCC) 具有有限的治疗选择和高死亡率.
- 转录因子c-Myc是HCC的关键瘤基因,使其成为关键的治疗标.
- 在HCC中有效地准c-Myc一直是历史上具有挑战性的.
研究的目的:
- 开发基于寡核酸的新型蛋白质分解向嵌合体 (PROTACs) 用于在HCC中向c-Myc降解.
- 在HCC模型中研究这些新型PROTACs的作用机制和治疗疗效.
主要方法:
- 将VH032与向c-Myc复合物的DNA序列结合在一起,产生寡核酸PROTACs (MP-16和MP-17).
- 通过ubiquitin-proteasome系统对c-Myc降解的评估.
- 对抑制HCC细胞增殖的评估.
- 在HCC的小鼠模型中进行体内疗效和安全性研究.
主要成果:
- 通过形成VHL/PROTAC/c-Myc三元复合体,MP-16和MP-17成功诱导了c-Myc的有针对性的降解.
- 这些PROTAC抑制了HCC细胞的增殖.
- 在体内,MP-16和MP-17显著抑制了HCC瘤生长,药物安全性良好.
结论:
- 寡核酸PROTACs (MP-16,MP-17) 是一种用于降解HCC中的c-Myc的新策略.
- 这种方法为开发针对c-Myc.的有效HCC疗法提供了新的领导结构.
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