Health effects associated with serum calcium concentrations: evidence from MR-PheWAS analysis in UK Biobank

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dc.contributor.authorZhou, A.
dc.contributor.authorMorris, H.A.
dc.contributor.authorHyppönen, E.
dc.date.issued2019
dc.description.abstractSummary: We conducted a phenome-wide Mendelian randomization analysis (MR-PheWAS) to survey health effects associated with high normal serum calcium. We found causal evidence for conditions related to renal function, bone and joint health, and cardiovascular risk. These conditions collectively suggest that tissue calcification may be a key mechanism through which serum calcium influences health. Introduction: Calcium is essential for the normal functioning of the cardiovascular system, muscles, and nerves. In this MR-PheWAS study, we sought to capture the totality of health effects associated with high normal serum calcium. Methods: We used data from up to 337,535 UK Biobank participants, and tested for associations between calcium genetic score (calcium-GS) and 925 disease outcomes, with follow-up analyses using complementary MR methods. Results: Calcium-GS was robustly associated with serum calcium concentration (F statistics = 349). After multiple testing correction (P < 1.62E-4), we saw genetic evidence for an association between high serum calcium and urinary calculus (OR per 1 mg/dl 3.5, 95%CI 1.3–9.2), renal colic (9.1, 95%CI 2.5–33.5), and allergy/adverse effect of penicillin (2.2, 95%CI 1.5–3.3). Secondary analyses with independent replication from consortia meta-analyses suggested further effects on myocardial infarction and osteoarthrosis. Conclusion: We found causal evidence for effects of high normal serum calcium with conditions related to renal function, bone and joint health, and cardiovascular risk, which may collectively reflect influences on tissue calcification and immune function.
dc.description.statementofresponsibilityA. Zhou, H. A. Morris, E. Hyppönen
dc.identifier.citationOsteoporosis International, 2019; 30(11):2343-2348
dc.identifier.doi10.1007/s00198-019-05118-z
dc.identifier.issn0937-941X
dc.identifier.issn1433-2965
dc.identifier.orcidMorris, H.A. [0000-0002-2745-3750]
dc.identifier.urihttp://hdl.handle.net/2440/121885
dc.language.isoen
dc.publisherSpringer
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/1123603
dc.rights© International Osteoporosis Foundation and National Osteoporosis Foundation 2019
dc.source.urihttps://doi.org/10.1007/s00198-019-05118-z
dc.subjectCalcium genetic score; mendelian randomization; phenome-wide; serum calcium
dc.titleHealth effects associated with serum calcium concentrations: evidence from MR-PheWAS analysis in UK Biobank
dc.typeJournal article
pubs.publication-statusPublished

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