Melatonin alleviates pyroptosis by regulating the SIRT3/FOXO3α/ROS axis and interacting with apoptosis in Atherosclerosis progression

被引:15
作者
Cong, Lin [1 ,2 ]
Liu, Xiankun [2 ,3 ]
Bai, Yiming [2 ,4 ]
Qin, Qin [2 ]
Zhao, Lili [2 ]
Shi, Ying [2 ]
Bai, Yunpeng [3 ,4 ,5 ]
Guo, Zhigang [1 ,3 ,4 ,5 ]
机构
[1] Tianjin Univ, Acad Med Engn & Translat Med, Tianjin, Peoples R China
[2] Tianjin Chest Hosp, Tianjin Inst Cardiovasc Dis, Tianjin, Peoples R China
[3] Tianjin Univ, Chest Hosp, Dept Cardiac Surg, Tianjin, Peoples R China
[4] Tianjin Med Univ, Clin Sch Thorac, Tianjin, Peoples R China
[5] Tianjin Municipal Sci & Technol Bur, Tianjin Key Lab Cardiovasc Emergency & Crit Care, Tianjin, Peoples R China
关键词
Pyroptosis; Melatonin (MT); SIRT3/FOXO3 alpha/ROS axis; Apoptosis; Atherosclerosis (AS); OXIDATIVE STRESS; ACTIVATION; CASPASE-8; NICOTINE;
D O I
10.1186/s40659-023-00479-6
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Background Atherosclerosis (AS), a significant contributor to cardiovascular disease (CVD), is steadily rising with the aging of the global population. Pyroptosis and apoptosis, both caspase-mediated cell death mechanisms, play an essential role in the occurrence and progression of AS. The human pineal gland primarily produces melatonin (MT), an indoleamine hormone with powerful anti-oxidative, anti-pyroptotic, and anti-apoptotic properties. This study examined MT's anti-oxidative stress and anti-pyroptotic effects on human THP-1 macrophages treated with nicotine.Methods In vitro, THP-1 macrophages were induced by 1 mu M nicotine to form a pyroptosis model and performed 30 mM MT for treatment. In vivo, ApoE-/- mice were administered 0.1 mg/mL nicotine solution as drinking water, and 1 mg/mL MT solution was intragastric administrated at 10 mg/kg/day. The changes in pyroptosis, apoptosis, and oxidative stress were detected.Results MT downregulated pyroptosis, whose changes were paralleled by a reduction in reactive oxygen species (ROS) production, reversal of sirtuin3 (SIRT3), and Forkhead box O3 (FOXO3 alpha) upregulation. MT also inhibited apoptosis, mainly caused by the interaction of caspase-1 and caspase-3 proteins. Vivo studies confirmed that nicotine could accelerate plaque formation. Moreover, mice treated with MT showed a reduction in AS lesion area.Conclusions MT alleviates pyroptosis by regulating the SIRT3/FOXO3 alpha/ROS axis and interacting with apoptosis. Importantly, our understanding of the inhibitory pathways for macrophage pyroptosis will allow us to identify other novel therapeutic targets that will help treat, prevent, and reduce AS-associated mortality.
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页数:12
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