A new study has found eight single nucleotide polymorphisms in sex hormone-binding globulin that functionally affect its affinity for androgens or estrogens and other biochemical properties. This finding adds to growing concern about the 'one size fits all' approach in formulas to calculate free or bioavailable concentrations of estradiol and testosterone.
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Acknowledgements
The authors would like to thank F. Claessens, B. Decallonne and L. Antonio for helpful discussions related to this work. M.R.L. is a PhD Fellow funded by the Research Foundation Flanders (FWO). D.V. is a Senior Clinical Investigator funded by clinical research funds of the University Hospitals Leuven. The authors would like to acknowledge the support of grant G.0854.13N from the Research Foundation Flanders.
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Laurent, M., Vanderschueren, D. Functional effects of sex hormone-binding globulin variants. Nat Rev Endocrinol 10, 516–517 (2014). https://doi.org/10.1038/nrendo.2014.120
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DOI: https://doi.org/10.1038/nrendo.2014.120
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