Cited by 1,933Vitamin D Research StudiesParathyroid Disorders and TreatmentsVitamin K Research Studies

The DOI matches its Crossref record; 131 of the 133 references it cites were found in a registry or an index.

Vitamin D Metabolism, Mechanism of Action, and Clinical Applications

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Bikle, Daniel D.·2014·Chemistry & Biology

Abstract

Vitamin D3 is made in the skin from 7-dehydrocholesterol under the influence of UV light. Vitamin D2 (ergocalciferol) is derived from the plant sterol ergosterol. Vitamin D is metabolized first to 25 hydroxyvitamin D (25OHD), then to the hormonal form 1,25-dihydroxyvitamin D (1,25(OH)2D). CYP2R1 is the most important 25-hydroxylase; CYP27B1 is the key 1-hydroxylase. Both 25OHD and 1,25(OH)2D are catabolized by CYP24A1. 1,25(OH)2D is the ligand for the vitamin D receptor (VDR), a transcription factor, binding to sites in the DNA called vitamin D response elements (VDREs). There are thousands of these binding sites regulating hundreds of genes in a cell-specific fashion. VDR-regulated transcription is dependent on comodulators, the profile of which is also cell specific. Analogs of 1,25(OH)2D are being developed to target specific diseases with minimal side effects. This review will examine these different aspects of vitamin D metabolism, mechanism of action, and clinical application.

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Crossref · 10.1016/j.chembiol.2013.12.016

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  1. Norman, 1997, Mol. Endocrinol., 11, 1518

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Metadata

Authors
Bikle, D. D.
Affiliations
San Francisco VA Medical Center (US)
Corresponding author
Bikle, Daniel D.
Venue
Chemistry & Biology
Publisher
Elsevier BV
Published
2014-03
Volume
21
Issue
3
Pages
319-329
ISSN
1074-5521 (ISSN-L)
OpenAlex
W1976776496
Cited by
1,933
References
133
Citations by year
2026: 148 · 2025: 189 · 2024: 196 · 2023: 272 · 2022: 219 · 2021: 211 · 2020: 228 · 2019: 142 · 2018: 135 · 2017: 84 · 2016: 60 · 2015: 37 · 2014: 10
FWCI
9.02
Type
journal article
Language
en
Open access
Locations
  • Chemistry & Biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • U.S. Department of Defense
  • National Institutes of Health (AR050023)
  • National Cancer Institute (CA110338)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (R01AR038386, R01AR050023, P01AR039448)
  • National Center for Research Resources (P41RR001614)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Vitamin D Research Studies
  • Health Sciences › Medicine › Nephrology › Parathyroid Disorders and Treatments
  • Health Sciences › Nursing › Nutrition and Dietetics › Vitamin K Research Studies
Keywords
vitamin D metabolism, vitamin D3, vitamin D2, 25-hydroxyvitamin D, 1,25-dihydroxyvitamin D, CYP2R1, CYP27B1, CYP24A1, vitamin D receptor, vitamin D response element, transcriptional regulation, vitamin D analogs, 7-dehydrocholesterol, ergosterol
MeSH terms
Cytochrome P-450 Enzyme System, DNA, Humans, Immune System, Metabolic Diseases, Neoplasms, Vitamin D, Receptors, Calcitriol, Response Elements

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