Causal Link Between Vitamin D and Total Testosterone in Men: A Mendelian Randomization Analysis
Author(s) -
Chi Chen,
Hualing Zhai,
Jing Cheng,
Pan Weng,
Yi Chen,
Qin Li,
Chiyu Wang,
Fangzhen Xia,
Ningjian Wang,
Yingli Lu
Publication year - 2019
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2018-01874
Subject(s) - mendelian randomization , vitamin d and neurology , medicine , endocrinology , testosterone (patch) , vitamin d deficiency , biology , genetics , genetic variants , genotype , gene
Low circulating vitamin D levels have been associated with lower total testosterone levels. These epidemiological associations, if true, would have public health importance because vitamin D deficiency is common and correctable. We tested whether genetically lowered vitamin D levels were associated with lower total testosterone (T), using Mendelian randomization (MR) methodology.
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