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<p>The human lipidome comprises numerous complex lipids, dysregulation of which can contribute to the pathogenesis of a wide range of diseases. Despite the high heritability of parts of the lipidome, the genetic architecture of many circulating lipid species and their structure remains mostly unknown. Thus, we perform genome-wide association studies on 970 lipid species and 267 fatty acid composite measures using samples from the population-based Rhineland Study (<i>n</i> = 6096). We validate our findings using corresponding data from two other independent cohorts, including FinnGen (<i>n</i> = 7266) and EPIC-Potsdam (<i>n</i> = 1188). Out of 217 lead genomic loci, we find 136 to be novel, such as <i>FDFT1</i>. Using mendelian randomization and individual-level gene expression data, we identify 43 possible causal associations between candidate genes and corresponding lipid species, including <i>FDFT1</i> – diacylglycerol (16:0/18:0). Our findings provide new insights into the intricate genetic underpinnings of lipid metabolism, which may facilitate risk stratification and discovery of new therapeutic targets.</p>

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Population-based genome-wide association study of plasma complex lipid species

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年5月2日

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  • Elvire N. Landstra,
  • Mohammed A. Imtiaz,
  • Valentina Talevi,
  • Fabian Eichelmann,
  • Matthias B. Schulze,
  • N. Ahmad Aziz,
  • Monique M. B. Breteler

摘要

The human lipidome comprises numerous complex lipids, dysregulation of which can contribute to the pathogenesis of a wide range of diseases. Despite the high heritability of parts of the lipidome, the genetic architecture of many circulating lipid species and their structure remains mostly unknown. Thus, we perform genome-wide association studies on 970 lipid species and 267 fatty acid composite measures using samples from the population-based Rhineland Study (n = 6096). We validate our findings using corresponding data from two other independent cohorts, including FinnGen (n = 7266) and EPIC-Potsdam (n = 1188). Out of 217 lead genomic loci, we find 136 to be novel, such as FDFT1. Using mendelian randomization and individual-level gene expression data, we identify 43 possible causal associations between candidate genes and corresponding lipid species, including FDFT1 – diacylglycerol (16:0/18:0). Our findings provide new insights into the intricate genetic underpinnings of lipid metabolism, which may facilitate risk stratification and discovery of new therapeutic targets.