Vitamin D: A fountain of youth in gene regulation

Peter Jurutka, G. Kerr Whitfield, Ryan Forster, Shane Batie, Jamie Lee, Mark R. Haussler

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Citations (Scopus)

Abstract

The hormonal precursor and parent compound, vitamin D3, either can be obtained in the diet or formed from 7-dehydrocholesterol in skin (epidermis) via a nonenzymatic, UV light-dependent reaction (Figure 1.1). Vitamin D3 is then transported to the liver, where it is hydroxylated at the C-25 position of the side chain to produce 25-hydroxyvitamin D3 (25D), which is the major circulating form of vitamin D3. The nal step in the production of the hormonal form occurs mainly, but not exclusively, in the kidney via a tightly regulated 1α-hydroxylation reaction (Figure 1.1). The cytochrome P450-containing (CYP) enzymes that catalyze 25-and 1a-hydroxylations are microsomal CYP2R1 (Cheng et al. 2003) and mitochondrial CYP27B1, respectively. As depicted in Figure 1.1, 1,25-dihydroxyvitamin D3 (1,25D) circulates, bound to plasma vitamin D binding protein, to various target tissues to exert its endocrine actions, which are mediated by the vitamin D receptor (VDR). Many of the long-recognized functions of 1,25D involve the regulation of calcium and phosphate metabolism, raising the blood levels of these ions to facilitate bone mineralization, as well as activating bone resorption as part of the remodeling cycle (Haussler et al. 2010).

Original languageEnglish (US)
Title of host publicationVitamin D
Subtitle of host publicationOxidative Stress, Immunity, and Aging
PublisherCRC Press
Pages3-36
Number of pages34
ISBN (Electronic)9781439850213
ISBN (Print)9781439850206
DOIs
StatePublished - Jan 1 2012

Fingerprint

Fountains
Cholecalciferol
Gene expression
Vitamin D
Hydroxylation
Calcitriol
Cytochrome P-450 Enzyme System
Bone
25-Hydroxyvitamin D3 1-alpha-Hydroxylase
Vitamin D-Binding Protein
Genes
Calcifediol
Physiologic Calcification
Calcitriol Receptors
Ultraviolet Rays
Bone Resorption
Nutrition
Metabolism
Epidermis
Ultraviolet radiation

ASJC Scopus subject areas

  • Medicine(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Jurutka, P., Whitfield, G. K., Forster, R., Batie, S., Lee, J., & Haussler, M. R. (2012). Vitamin D: A fountain of youth in gene regulation. In Vitamin D: Oxidative Stress, Immunity, and Aging (pp. 3-36). CRC Press. https://doi.org/10.1201/b13714

Vitamin D : A fountain of youth in gene regulation. / Jurutka, Peter; Whitfield, G. Kerr; Forster, Ryan; Batie, Shane; Lee, Jamie; Haussler, Mark R.

Vitamin D: Oxidative Stress, Immunity, and Aging. CRC Press, 2012. p. 3-36.

Research output: Chapter in Book/Report/Conference proceedingChapter

Jurutka, P, Whitfield, GK, Forster, R, Batie, S, Lee, J & Haussler, MR 2012, Vitamin D: A fountain of youth in gene regulation. in Vitamin D: Oxidative Stress, Immunity, and Aging. CRC Press, pp. 3-36. https://doi.org/10.1201/b13714
Jurutka P, Whitfield GK, Forster R, Batie S, Lee J, Haussler MR. Vitamin D: A fountain of youth in gene regulation. In Vitamin D: Oxidative Stress, Immunity, and Aging. CRC Press. 2012. p. 3-36 https://doi.org/10.1201/b13714
Jurutka, Peter ; Whitfield, G. Kerr ; Forster, Ryan ; Batie, Shane ; Lee, Jamie ; Haussler, Mark R. / Vitamin D : A fountain of youth in gene regulation. Vitamin D: Oxidative Stress, Immunity, and Aging. CRC Press, 2012. pp. 3-36
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