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Article

CYP24A1-induced vitamin D insufficiency promotes breast cancer growth

  • Authors:
    • Makoto Osanai
    • Gang-Hong Lee
  • View Affiliations / Copyright

    Affiliations: Department of Pathology, Kochi University School of Medicine, Nankoku, Kochi 783-8505, Japan
  • Pages: 2755-2762
    |
    Published online on: September 5, 2016
       https://doi.org/10.3892/or.2016.5072
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Abstract

Vitamin D plays a critical role in tissue homeostasis by regulating the expression of genes affecting cell proliferation, differentiation, and apoptosis. The vitamin D 24-hydroxylase CYP24A1 functions in vitamin D target tissues to degrade the hormonal form of vitamin D. Existing knowledge regarding dysregulated CYP24A1 expression supports its candidacy as a putative oncogene. Here, we found that the suppression of constitutive CYP24A1 expression conferred target cells with increased susceptibility to apoptosis and consequently inhibited anchorage-independent growth in breast carcinoma cells. In addition, suppression of vitamin D metabolism following knockdown of CYP24A1 significantly reduced tumor growth in vivo. These data provide substantial evidence for a pro-survival and stimulatory oncogenic effect of CYP24A1 in breast carcinoma cells.
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Copy and paste a formatted citation
Spandidos Publications style
Osanai M and Lee G: CYP24A1-induced vitamin D insufficiency promotes breast cancer growth. Oncol Rep 36: 2755-2762, 2016.
APA
Osanai, M., & Lee, G. (2016). CYP24A1-induced vitamin D insufficiency promotes breast cancer growth. Oncology Reports, 36, 2755-2762. https://doi.org/10.3892/or.2016.5072
MLA
Osanai, M., Lee, G."CYP24A1-induced vitamin D insufficiency promotes breast cancer growth". Oncology Reports 36.5 (2016): 2755-2762.
Chicago
Osanai, M., Lee, G."CYP24A1-induced vitamin D insufficiency promotes breast cancer growth". Oncology Reports 36, no. 5 (2016): 2755-2762. https://doi.org/10.3892/or.2016.5072
Copy and paste a formatted citation
x
Spandidos Publications style
Osanai M and Lee G: CYP24A1-induced vitamin D insufficiency promotes breast cancer growth. Oncol Rep 36: 2755-2762, 2016.
APA
Osanai, M., & Lee, G. (2016). CYP24A1-induced vitamin D insufficiency promotes breast cancer growth. Oncology Reports, 36, 2755-2762. https://doi.org/10.3892/or.2016.5072
MLA
Osanai, M., Lee, G."CYP24A1-induced vitamin D insufficiency promotes breast cancer growth". Oncology Reports 36.5 (2016): 2755-2762.
Chicago
Osanai, M., Lee, G."CYP24A1-induced vitamin D insufficiency promotes breast cancer growth". Oncology Reports 36, no. 5 (2016): 2755-2762. https://doi.org/10.3892/or.2016.5072
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