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+ ====== Paper - Vitamin D metabolites as clinical markers in autoimmune and chronic disease  ======
+**Type:** Paper\\
+**Authors:**  Greg Blaney, MD, Paul J. Albert,  Amy D. Proal\\
+**Publication:**  //Annals of the New York Academy of Sciences//\\
+**Citation:**  {{pubmed>long:19758177}}\\
+**See also:** [[http://autoimmunityResearch.org/preprints/BlaneyAnnals2009Preprint.pdf|Pre-print]]
+===== Abstract =====
+Recent research has implicated vitamin D deficiency (serum levels of 25-hydroxyvitamin D <50nmol/L) with a number of chronic conditions including autoimmune conditions such as multiple sclerosis, lupus, psoriasis and chronic conditions such as osteoporosis, osteoarthritis, metabolic syndrome, fibromyalgia and chronic fatigue syndrome. It has been assumed that low levels of 25-hydroxyvitamin D (25-D) accurately indicate vitamin D storage and vitamin D receptor (VDR) mediated control of calcium metabolism and innate immunity. To evaluate this assumption, 25-D and 1,25-dihydroxyvitamin D3 (1,25-D) levels were measured in 100 Canadian patients with these conditions. Additionally, other inflammatory markers (CK, CRP) were measured. Results showed a strong positive association between these autoimmune conditions and levels of 1,25-D >110 pmol/L. However, there was little association with vitamin D deficiency or the other inflammatory markers. These findings support the use of 1,25-D as a clinical marker in autoimmune conditions. It also suggests either a disruption of the controlling cytochrome P450 enzymes and/or reduced VDR responsiveness in these conditions. Finally, the results challenge the assumption that measurement of 25-D is an accurate index of vitamin D metabolism.
+{{tag>papers Greg_Blaney_MD Paul_Albert Amy_Proal 2009}}

home/publications/blaney_annals_2009.txt · Last modified: 09.14.2022 by 127.0.0.1