Cited by 159Vitamin D Research StudiesSkin Protection and AgingNonmelanoma Skin Cancer Studies

Inactivation of the vitamin D receptor enhances susceptibility of murine skin to UV-induced tumorigenesis

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Ellison, Tara I., Smith, Molly K., Gilliam, Anita C., MacDonald, Paul N.·2008·Journal of Investigative Dermatology

Abstract

1,25-Dihydroxyvitamin D(3) (1,25(OH)(2)D(3)) is the biologically active ligand for the vitamin D receptor (VDR). VDR(-/-) mice have a hair follicle-cycling defect resulting in alopecia. However, mice lacking 25-hydroxyvitamin D(3) 1alpha-hydroxylase (CYP27B1(-/-)), and having no circulating 1,25(OH)(2)D(3), have normal follicular function. These mouse models indicate that VDR functions independently of 1,25(OH)(2)D(3) in regulating hair-follicle cycling. Here, we show that VDR(-/-) mice rapidly develop chemically induced skin tumors, whereas CYP27B1(-/-) and wild-type mice do not, indicating that VDR, and not the 1,25(OH)(2)D(3) ligand, is essential for protection against skin tumorigenesis. Because the majority of human skin cancer results from exposure to UV, the susceptibility of VDR(-/-) mice to this carcinogen was also evaluated. VDR(-/-) mice developed UV-induced tumors more rapidly and with greater penetrance than did VDR(+/+) mice. p53 protein levels were upregulated at similar rates in UV-treated keratinocytes of VDR(-/-) and VDR(+/+) mice. However, rates of thymine-dimer repair and UV-induced apoptosis were significantly lower in VDR(-/-) epidermis compared with the wild type epidermis. UV-induced epidermal thickening was also attenuated in VDR(-/-) skin, indicating that VDR plays a critical role in the repair and removal of severely damaged keratinocytes and adaptation of the skin to chronic UV exposure.

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Crossref · 10.1038/jid.2008.131

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Authors
Ellison, T. I., Smith, M. K., Gilliam, A. C., & MacDonald, P. N.
Affiliations
Case Western Reserve University (US)
Corresponding author
MacDonald, Paul N.
Venue
Journal of Investigative Dermatology
Publisher
Elsevier BV
Published
2008-10
Volume
128
Issue
10
Pages
2508-2517
ISSN
0022-202X (ISSN-L)
OpenAlex
W1978243004
Cited by
159
References
1
Citations by year
2026: 4 · 2025: 1 · 2024: 3 · 2023: 5 · 2022: 7 · 2021: 8 · 2020: 9 · 2019: 5 · 2018: 5 · 2017: 7 · 2016: 10 · 2015: 6 · 2014: 18 · 2013: 10 · 2012: 20
FWCI
9.49
Type
journal article
Language
en
Open access
Locations
  • Journal of Investigative Dermatology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Case Western Reserve University
  • Korea Electrotechnology Research Institute
  • National Institutes of Health
  • National Institute of General Medical Sciences (T32GM 08803, T32GM008803)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01-DK-53980, R01DK053980)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR639750)
Topics
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Vitamin D Research Studies
  • Health Sciences › Medicine › Dermatology › Skin Protection and Aging
  • Health Sciences › Medicine › Epidemiology › Nonmelanoma Skin Cancer Studies
Keywords
vitamin D receptor, UV-induced skin carcinogenesis, 1,25-dihydroxyvitamin D3, CYP27B1, 25-hydroxyvitamin D3-1α-hydroxylase, VDR knockout mice, p53, UV-induced apoptosis, epidermal thickening, keratinocytes, skin cancer predisposition, hair cycle
MeSH terms
Adaptation, Physiological, Animals, Disease Susceptibility, Epidermis, Neoplasms, Radiation-Induced, Pyrimidine Dimers, Skin, Skin Neoplasms, Ultraviolet Rays, Vitamin D, Keratinocytes, Apoptosis, Receptors, Calcitriol, Mice, Knockout, Penetrance, Mice

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