Genome-wide meta-analysis of phytosterols reveals five novel loci and a detrimental effect on coronary atherosclerosis

Markus Scholz, Katrin Horn, Janne Pott, Arnd Gross, Marcus E Kleber, Graciela E Delgado, Pashupati Prasad Mishra, Holger Kirsten, Christian Gieger, Martina Müller-Nurasyid, Anke Tönjes, Peter Kovacs, Terho Lehtimäki, Olli Raitakari, Mika Kähönen, Helena Gylling, Ronny Baber, Berend Isermann, Michael Stumvoll, Markus LoefflerWinfried März, Thomas Meitinger, Annette Peters, Joachim Thiery, Daniel Teupser, Uta Ceglarek

Tutkimustuotos: ArtikkeliScientificvertaisarvioitu

Abstrakti

Phytosterol serum concentrations are under tight genetic control. The relationship between phytosterols and coronary artery disease (CAD) is controversially discussed. We perform a genome-wide meta-analysis of 32 phytosterol traits reflecting resorption, cholesterol synthesis and esterification in six studies with up to 9758 subjects and detect ten independent genome-wide significant SNPs at seven genomic loci. We confirm previously established associations at ABCG5/8 and ABO and demonstrate an extended locus heterogeneity at ABCG5/8 with different functional mechanisms. New loci comprise HMGCR, NPC1L1, PNLIPRP2, SCARB1 and APOE. Based on these results, we perform Mendelian Randomization analyses (MR) revealing a risk-increasing causal relationship of sitosterol serum concentrations and CAD, which is partly mediated by cholesterol. Here we report that phytosterols are polygenic traits. MR add evidence of both, direct and indirect causal effects of sitosterol on CAD.

AlkuperäiskieliEnglanti
Artikkeli143
Sivumäärä12
JulkaisuNature Communications
Vuosikerta13
DOI - pysyväislinkit
TilaJulkaistu - 10 tammik. 2022
OKM-julkaisutyyppiA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

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