循环金属化 (III) 复合物诱导HepG2细胞的免疫性细胞死亡,通过亡
Jiaxin Liao1, Yuqing Zhang1, Minying Huang1
1School of Pharmacy, Guangdong Medical University, Dongguan 523808, China.
Bioorganic chemistry
|September 8, 2023
概括
一种新型的 (III) 复合体,Ir1,有效地触发癌细胞中的免疫细胞死亡 (ICD). 这种免疫疗法药物诱导了帕帕托斯和内质网膜应激,激活了强大的全身抗瘤免疫反应.
科学领域:
- 无机化学 无机化学
- 癌症生物学 癌症生物学
- 免疫学 免疫学 免疫学
背景情况:
- 免疫疗法通过利用天生的免疫系统,提供强大的抗瘤疗效.
- 循环金属化 (III) 复合物正在研究它们的治疗潜力.
研究的目的:
- 设计和合成用于癌症治疗的新型 (III) 复合物.
- 评估这些复合物的抗瘤活性和免疫调节作用,特别是Ir1.1.
主要方法:
- 三种循环金属化 (Ir1, Ir2, Ir3) 复合物的合成.
- 在体外评估Ir1对HepG2细胞的影响,包括细胞局部化,诱导帕帕,内质网膜 (ER) 应激和免疫细胞死亡 (ICD).
- 评估Ir1对免疫细胞群和全身抗瘤免疫的影响.
主要成果:
- 在溶酶体中局部化的Ir1,在HepG2细胞中诱导了帕帕和ER压力.
- 在HepG2细胞中,Ir1触发了ICD,但没有改变细胞周期或活性氧物种 (ROS) 水平.
- 艾尔1促进了树突细胞的成熟,增强了T细胞对瘤的招募,减少了调控性T细胞,并激活了全身抗瘤免疫.
结论:
- 据报道,Ir1是第一个能够在癌细胞中诱导帕帕和随后的ICD的 (III) 复合体.
- 通过激活全面的抗瘤免疫反应,Ir1显示出作为免疫治疗剂的巨大潜力.
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