期刊
JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY
卷 175, 期 -, 页码 12-17出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsbmb.2016.12.011
关键词
Vitamin D; VDR; Vitamin D deficiency; Epigenome; Transcriptome; Biomarkers; Molecular diagnostics
资金
- Academy of Finland
- Sigrid Juselius Foundation
Humans are able to synthesize vitamin D-3 in their skin when exposed to UV-B, but seasonal variations, textile coverage and predominant indoor activities often make supplementation with the compound necessary. There is some dispute on the desired vitamin D status, measured via the serum concentration of the most stable vitamin D-3 metabolite, 25-hydroxyvitamin D-3, and the respective recommended daily supplementation. A possible answer may be provided by the concept of the personal vitamin D response index describing the efficiency of the molecular response to supplementation with vitamin D. The concept is based on the fact that vitamin D-3 activates via its metabolite 1 alpha,25-dihydroxyvitamin D-3 the transcription factor vitamin D receptor and thus has a direct effect on the epigenome and transcriptome of many human tissues and cell types. Individuals can be distinguished into high, mid and low responders to vitamin D via measuring vitamin D sensitive molecular parameters, such as changes in the epigenetic status and the respective transcription of genes of mobile immune cells from blood or the level of proteins or metabolites in serum. Thus, we suggest that the need for vitamin D supplementation depends on the vitamin D status in relation to the personal vitamin D response index of an individual rather than on the vitamin D status alone. (C) 2016 Elsevier Ltd. All rights reserved.
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