污染引起的毒性中的cGAS-STING信号:机制和缓解药物
Menglan Yan1, Shiqi Li1, Yuan Wei2
1Department of Gastroenterological Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, Jiangxi, China.
环境污染物可以通过激活cGAS-STING通路,一个关键的免疫传感器来损害健康. 本综述探讨了污染物如何触发这种途径,导致细胞损伤和疾病,并讨论了潜在的干预措施.
科学领域:
- 环境健康 环境健康
- 免疫学 免疫学 免疫学
- 毒理学 毒理学 毒理学
背景情况:
- 环境污染物对人类健康构成重大威胁,诱导细胞衰老和死亡.
- 干扰素基因 (STING) 信号轴的循环GMP-AMP合成酶 (cGAS) 刺激器对于感知细胞质DNA和调解免疫反应至关重要.
- 持续激活cGAS-STING通路,由诸如衰老期间DNA泄漏等因素驱动,有助于与衰老相关的疾病.
研究的目的:
- 阐明环境污染物与cGAS-STING信号通路相互作用的机制.
- 审查目前有限的研究,将污染物与cGAS-STING通路激活和随后的细胞损伤联系起来.
- 确定针对cGAS-STING轴的潜在治疗策略,以减轻污染物毒性.
主要方法:
- 文献综述侧重于cGAS-STING通路在细胞损伤中的作用.
- 分析调查各种污染物 (重金属,空气污染物,工业化学品) 对cGAS-STING信号的影响的研究.
- 关于可能抵消污染物诱导的cGAS-STING激活的药物的现有数据的汇编.
主要成果:
- 污染物可以干扰cGAS-STING通路,导致炎症和细胞功能障碍.
- 污染物激活cGAS-STING通路有助于各种疾病的发展.
- 与衰老相关的DNA泄漏和线粒体功能障碍可以创造一个反循环,加剧cGAS-STING介导的炎症.
结论:
- 了解污染物与cGAS-STING通路的相互作用对于理解毒性机制至关重要.
- 针对cGAS-STING途径提供了一个有希望的途径,用于开发针对环境污染物引起的疾病的干预措施.
- 需要进一步的研究来充分阐明这些复杂的相互作用,并开发有效的治疗方法.
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