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J Clin Endocrinol Metab. 2019 Nov 1;104(11):5008-5023. doi: 10.1210/jc.2019-00757.

Genetic Association Study of Eight Steroid Hormones and Implications for Sexual Dimorphism of Coronary Artery Disease.

Author information

1
Institute for Medical Informatics, Statistics, and Epidemiology, University of Leipzig, Leipzig, Germany.
2
LIFE Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany.
3
Leipzig University Medical Center, IFB Adiposity Diseases, University of Leipzig, Leipzig, Germany.
4
Institute of Laboratory Medicine, Clinical Chemistry, and Molecular Diagnostics, University Hospital, Leipzig, Germany.
5
Heart Center Leipzig, Leipzig, Germany.

Abstract

CONTEXT:

Steroid hormones are important regulators of physiological processes in humans and are under genetic control. A link to coronary artery disease (CAD) is supposed.

OBJECTIVE:

Our main objective was to identify genetic loci influencing steroid hormone levels. As a secondary aim, we searched for causal effects of steroid hormones on CAD.

DESIGN:

We conducted genome-wide meta-association studies for eight steroid hormones: cortisol, dehydroepiandrosterone sulfate (DHEAS), estradiol, and testosterone in two independent cohorts (LIFE-Adult, LIFE-Heart, maximum n = 7667), and progesterone, 17-hydroxyprogesterone, androstenedione, and aldosterone in LIFE-Heart only (maximum n = 2070). All genome-wide significant loci were tested for sex interactions. Furthermore, we tested whether previously reported CAD single-nucleotide polymorphisms were associated with our steroid hormone panel and investigated causal links between hormone levels and CAD status using Mendelian randomization (MR) approaches.

RESULTS:

We discovered 15 novel associated loci for 17-hydroxyprogesterone, progesterone, DHEAS, cortisol, androstenedione, and estradiol. Five of these loci relate to genes directly involved in steroid metabolism, that is, CYP21A1, CYP11B1, CYP17A1, STS, and HSD17B12, almost completing the set of steroidogenic enzymes with genetic associations. Sexual dimorphisms were found for seven of the novel loci. Other loci correspond, for example, to the WNT4/β-catenin pathway. MR revealed that cortisol, androstenedione, 17-hydroxyprogesterone, and DHEA-S had causal effects on CAD. We also observed enrichment of cortisol and testosterone associations among known CAD hits.

CONCLUSION:

Our study greatly improves insight into genetic regulation of steroid hormones and their dependency on sex. These results could serve as a basis for analyzing sexual dimorphism in other complex diseases.

PMID:
31169883
DOI:
10.1210/jc.2019-00757

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