Guo Zhenhua, Zhong Yangfang, Zhou Le, Xu Peier, Gao Naijing, Lu Jinyue, Yan Xueyun, Cao Huaming
Department of Cardiology, Shibei Hospital, Shanghai, China.
Shanghai Jing'an District Pengpu Town Second Community Health Service Center, Shanghai, China.
Front Microbiol. 2024 May 9;15:1389311. doi: 10.3389/fmicb.2024.1389311. eCollection 2024.
Cardiovascular diseases, including myocardial infarction, remain a leading cause of death globally. Emerging evidence suggests the gut microbiota plays a crucial role in cardiovascular health. This study aims to explore the impact of gut microbiota on myocardial infarction using a mouse model.
The research utilizes a multi-omics approach, including 16S rDNA sequencing and LC-MS-based metabolomics to analyze fecal and serum samples from mice modeled to mimic myocardial infarction. This methodology allows for a comprehensive analysis of microbial populations and their metabolic output.
The findings reveal a significant reduction in gut microbiota α-diversity in mice with induced myocardial infarction compared to healthy controls. Notably, there is an increase in populations of Fusobacteria and Clostridia. Metabolomic analysis indicates disruptions in amino acid and energy metabolism, suggesting a metabolic dysregulation linked to myocardial health.
The study proposes a novel microbiota-metabolite-myocardium axis, where specific microbial metabolites may directly affect heart health. This connection points to the gut microbiota as a potential player in the pathogenesis of myocardial infarction and may open new therapeutic avenues targeting the gut microbiome to combat cardiovascular diseases.
心血管疾病,包括心肌梗死,仍然是全球主要的死亡原因。新出现的证据表明,肠道微生物群在心血管健康中起着至关重要的作用。本研究旨在使用小鼠模型探索肠道微生物群对心肌梗死的影响。
该研究采用多组学方法,包括16S rDNA测序和基于液相色谱-质谱联用的代谢组学,来分析模拟心肌梗死的小鼠的粪便和血清样本。这种方法能够全面分析微生物种群及其代谢产物。
研究结果显示,与健康对照组相比,诱导性心肌梗死小鼠的肠道微生物群α多样性显著降低。值得注意的是,梭杆菌属和梭菌属的种群数量有所增加。代谢组学分析表明氨基酸和能量代谢存在紊乱,这表明与心肌健康相关的代谢失调。
该研究提出了一种新的微生物群-代谢产物-心肌轴,其中特定的微生物代谢产物可能直接影响心脏健康。这种联系表明肠道微生物群可能是心肌梗死发病机制中的一个潜在因素,并可能为针对肠道微生物群治疗心血管疾病开辟新的治疗途径。