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Kitajima I, Maruyama I, Matsubara H, et al. Immune dysfunction in hypophosphatemic vitamin D-resistant rickets: immunoregulatory reaction of 1 alpha(OH) vitamin D3. Clin Immunol Immunopathol. 1989;53(1):24-31doi: 10.1016/0090-1229(89)90097-4.
Kitajima, I., Maruyama, I., Matsubara, H., Osame, M., & Igata, A. (1989). Immune dysfunction in hypophosphatemic vitamin D-resistant rickets: immunoregulatory reaction of 1 alpha(OH) vitamin D3. Clinical immunology and immunopathology, 53(1), 24-31. https://doi.org/10.1016/0090-1229(89)90097-4
Kitajima, I, et al. "Immune dysfunction in hypophosphatemic vitamin D-resistant rickets: immunoregulatory reaction of 1 alpha(OH) vitamin D3." Clinical immunology and immunopathology vol. 53,1 (1989): 24-31. doi: https://doi.org/10.1016/0090-1229(89)90097-4
Kitajima I, Maruyama I, Matsubara H, Osame M, Igata A. Immune dysfunction in hypophosphatemic vitamin D-resistant rickets: immunoregulatory reaction of 1 alpha(OH) vitamin D3. Clin Immunol Immunopathol. 1989 Oct;53(1):24-31. doi: 10.1016/0090-1229(89)90097-4. PMID: 2548783.
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Clin Immunol Immunopathol. 1989 Oct;53(1):24-31. doi: 10.1016/0090-1229(89)90097-4.

Immune dysfunction in hypophosphatemic vitamin D-resistant rickets: immunoregulatory reaction of 1 alpha(OH) vitamin D3.

Clinical immunology and immunopathology

I Kitajima, I Maruyama, H Matsubara, M Osame, A Igata

Affiliations

  1. Third Department of Internal Medicine, Faculty of Medicine, Kagoshima University, Japan.

PMID: 2548783 DOI: 10.1016/0090-1229(89)90097-4

Abstract

We investigated immunologic function in six cases with hypophosphatemic vitamin D-resistant rickets (VDRR) before and after treatment with 1 alpha-hydroxycholecalciferol (1 alpha(OH) vitamin D3). All cases suffered frequent episodes of infection, which tended to be more severe in the older patients. OKT9-, OKT10-, and OKM1-positive cells and adenosine deaminase (ADA) were significantly increased, whereas numbers and activity of natural killer (NK) cells were lower than normal before treatment. After administration of 1 alpha(OH) vitamin D3, however, the susceptibility to infection apparently decreased, and NK cell number and activity increased in all patients. ADA was also significantly decreased and remained in the normal range after treatment. These results suggest that vitamin D plays a role in the impaired immunoregulatory functions of NK cells in VDRR. Furthermore, ADA may be one parameter reflecting this immunologic impairment.

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