This subproject is one of many research subprojects utilizing theresources provided by a Center grant funded by NIH/NCRR. The subproject andinvestigator (PI) may have received primary funding from another NIH source,and thus could be represented in other CRISP entries. The institution listed isfor the Center, which is not necessarily the institution for the investigator.This cross-sectional case control study is designed to evaluate the effects of genetic and environmental factors in SLE-associated osteoporosis in a cohort of African-American patients that has been previously assembled and followed by Dr Gary Gilkeson in the Division of Rheumatology. This population has very little genetic admixture and has a high prevalence of vitamin D deficiency. The study aim is to determine if SLE induced inflammation alters bone metabolism with a detrimental effect on bone structure, assessing differences in vBMD and bone geometry between cases and control.
A second aim to to assess whether vitamin D deficiency is associated with lower vBMD and poorer bone geometry in SLE. Vitamin D levels and dietary intake of Vit D will be measured. The study will last one year with a target enrollment of 100patients.
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