25-OH vitamin D levels in African American and Caucasian/Hispanic cutaneous lupus subjects

Abstract

Background:  Because exposure to UV radiation accounts for a significant portion of endogenous vitamin D production, cutaneous lupus (CLE) subjects practicing sun-protective measures are at risk for vitamin D insufficiency. Previous studies have shown light-skinned CLE subjects to have lower serum 25-hydroxy (25-OH) vitamin D levels than normal controls.


Objective:  To assess the status of vitamin D insufficiency in dark-skinned CLE individuals.


Methods:  We performed a cross-sectional study comparing serum 25-OH vitamin D levels in 25 CLE and 26 normal African American (AA) age-, gender-, and season-matched subjects in Dallas, Texas. A ...

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