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Association between Vitamin D Deficiency and Antinuclear Antibodies in Middle-Aged and Older U.S. Adults.


ABSTRACT: BACKGROUND:Vitamin D deficiency is associated with cancer and autoimmune diseases, but little is known about the association between vitamin D and antinuclear antibodies (ANA), a biomarker of immune dysfunction in healthy populations. The objective of this study was to determine whether vitamin D deficiency is associated with ANA in middle-aged and older U.S. adults. METHODS:A cross-sectional analysis using the National Health and Nutrition Examination Survey (NHANES) 2001-2004 was conducted. Data were available for 1,012 adults aged 50 years and older. Serum 25-hydroxyvitamin D levels were measured by radioimmunoassay. ANA was measured in a 1:80 dilution of sera by immunofluorescence using HEp-2 cells (seropositive = 3 or 4+). RESULTS:Greater vitamin D deficiency was associated with higher ANA prevalence in the unadjusted (Ptrend = 0.0002) logistic regression model and after adjustment for sex, age, education, race/ethnicity, season, and NHANES cycle (Ptrend = 0.04). After adjustment, those with severe vitamin D deficiency (<10 ng/mL) had 2.99 (95% CI, 1.25-7.15) times the odds of ANA compared with having normal vitamin D levels (?30 ng/mL), while deficient and insufficient individuals had twice the odds of ANA. CONCLUSIONS:Among U.S. residents ages 50 and older, vitamin D deficiency was associated with higher prevalence of ANA. Vitamin D sufficiency may be important for preventing immune dysfunction in older populations. IMPACT:Our findings support the growing evidence that vitamin D is an important immune modulator. Vitamin D deficiency in older adults may increase vulnerability to cancer by contributing to immune dysfunction. Cancer Epidemiol Biomarkers Prev; 25(12); 1559-63. ©2016 AACR.

SUBMITTER: Meier HC 

PROVIDER: S-EPMC5135624 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Association between Vitamin D Deficiency and Antinuclear Antibodies in Middle-Aged and Older U.S. Adults.

Meier Helen C S HC   Sandler Dale P DP   Simonsick Eleanor M EM   Parks Christine G CG  

Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 20160819 12


<h4>Background</h4>Vitamin D deficiency is associated with cancer and autoimmune diseases, but little is known about the association between vitamin D and antinuclear antibodies (ANA), a biomarker of immune dysfunction in healthy populations. The objective of this study was to determine whether vitamin D deficiency is associated with ANA in middle-aged and older U.S. adults.<h4>Methods</h4>A cross-sectional analysis using the National Health and Nutrition Examination Survey (NHANES) 2001-2004 wa  ...[more]

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