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<p>Cholecystectomy alters lipid profiles and is associated with the risk of major adverse cardiac and cerebrovascular events (MACCE), yet the results are ambiguous. To assess the causal effects of cholecystectomy on blood lipid levels and risks of MACCE, we performed Mendelian randomization (MR) aiming to reduce confounding. We used genetic data on gallbladder removal, lipid levels, and MACCE from public databases. MR analysis estimated causal effects using genetic variants as instruments. Enrichment analysis identified relevant metabolic pathways, while multivariable MR evaluated specific lipid subtypes. Expression Quantitative Trait Loci MR pinpointed key genes, with cellular distribution insights from single-cell sequencing. Cholecystectomy was associated with delayed onset of angina, coronary heart disease, heart failure, myocardial infarction, and stroke. The ApoB/ApoA1 ratio was a key mediator, and the <i>LPL</i> gene influenced lipid-related cardiovascular risk. Cholecystectomy may reduce cardiovascular risks by lowering the ApoB/ApoA1 ratio, which highlights the role of lipid regulation in mitigating cardiovascular risk post-cholecystectomy.</p>

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Causality between Cholecystectomy, Blood Lipids, and Major Adverse Cardiac and Cerebrovascular Events: A Multimodal Approach Highlighting Lipid Regulation

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • Juan Duan,
  • Ti Yang,
  • Shengming Zhang,
  • Deqin Zeng,
  • Yifeng He

摘要

Cholecystectomy alters lipid profiles and is associated with the risk of major adverse cardiac and cerebrovascular events (MACCE), yet the results are ambiguous. To assess the causal effects of cholecystectomy on blood lipid levels and risks of MACCE, we performed Mendelian randomization (MR) aiming to reduce confounding. We used genetic data on gallbladder removal, lipid levels, and MACCE from public databases. MR analysis estimated causal effects using genetic variants as instruments. Enrichment analysis identified relevant metabolic pathways, while multivariable MR evaluated specific lipid subtypes. Expression Quantitative Trait Loci MR pinpointed key genes, with cellular distribution insights from single-cell sequencing. Cholecystectomy was associated with delayed onset of angina, coronary heart disease, heart failure, myocardial infarction, and stroke. The ApoB/ApoA1 ratio was a key mediator, and the LPL gene influenced lipid-related cardiovascular risk. Cholecystectomy may reduce cardiovascular risks by lowering the ApoB/ApoA1 ratio, which highlights the role of lipid regulation in mitigating cardiovascular risk post-cholecystectomy.