• 1
    Holick MF (2007) Vitamin D deficiency. N Engl J Med 357, 26681.
  • 2
    Wahl DA, Cooper C, Ebeling PR et al. (2012) A global representation of vitamin D status in healthy populations. Arch Osteoporos 7 (1–2), 15572.
  • 3
    Arabi A, El Rassi R, El-Hajj Fuleihan G (2010) Hypovitaminosis D in developing countries-prevalence, risk factors and outcomes. Nat Rev Endocrinol 6, 55061.
  • 4
    Agmon-Levin N, Theodor E, Segal RM, Shoenfeld Y (2012) Vitamin D in systemic and organ-specific autoimmune diseases. Clin Rev Allergy Immunol [Epub ahead of print].
  • 5
    Chen Y, Liu W, Sun T (2013) 1,25-Dihydroxyvitamin D promotes negative feedback regulation of TLR signaling via targeting microRNA-155-SOCS1 in macrophages. J Immunol 190, 368795.
  • 6
    Van Hamburg JP, Asmawidjaja PS (2012) TNF blockade requires 1,25(OH)2D3 to control human Th17-mediated synovial inflammation. Ann Rheum Dis 71, 60612.
  • 7
    Yarwood A, Martin P, Bowes J et al. (2013) Enrichment of vitamin D response elements in RA-associated loci supports a role for vitamin Din the pathogenesis of RA. Genes Immun [Epub ahead of print].
  • 8
    Furuya T, Hosoi T, Tanaka E et al. (2013) Prevalence of and factors associated with vitamin D deficiency in 4,793 Japanese patients with rheumatoid arthritis. Clin Rheumatol [Epub ahead of print].
  • 9
    Kostoglou-Athanassiou I, Athanassiou P, Lyraki A, Raftakis I, Antoniadis C (2012) Vitamin D and rheumatoid arthritis. Ther Adv Endocrinol Metab 3, 1817.
  • 10
    Haque UJ, Bartlett SJ (2010) Relationships among vitamin D, disease activity, pain and disability in rheumatoid arthritis. Clin Exp Rheumatol 28, 7457.
  • 11
    Song GG, Bae SC, Lee YH (2012) Association between vitamin D intake and the risk of rheumatoid arthritis: a meta-analysis. Clin Rheumatol 31 (12), 17339.
  • 12
    Higgins MJ, Mackie SL, Thalayasingam N, Bingham SJ, Hamilton J, Kelly CA (2013) The effect of vitamin D levels on the assessment of disease activity in rheumatoid arthritis. Clin Rheumatol [Epub ahead of print].
  • 13
    Millen AE, Hovey KM, Lamonte MJ et al. (2012) Plasma 25-hydroxyvitamin D Concentrations and Periodontal Disease in Postmenopausal Women. J Periodontol [Epub ahead of print].
  • 14
    Tang X, Pan Y, Zhao Y (2013) Vitamin D inhibits the expression of interleukin-8 in human periodontal ligament cells stimulated with Porphyromonas gingivalis. Arch Oral Biol 58 (4), 397407.
  • 15
    Haroon M, Bond U, Quillinan N, Phelan MJ, Regan MJ (2011) The prevalence of vitamin D deficiency in consecutive new patients seen over a 6-month period in general rheumatology clinics. Clin Rheumatol 30, 78994.
  • 16
    Amital H, Szekanecz Z, Szucs G et al. (2010) Serum concentrations of 25-OH vitamin D in patients with systemic lupus erythematosus (SLE) are inversely related to disease activity: is it time to routinely supplement patients with SLE with vitamin D? Ann Rheum Dis 69, 11557.
  • 17
    Ferder M, Inserra F, Manucha W, Ferder L (2013) The world pandemic of Vitamin D deficit could possibly be explained by cellular inflammatory response activity induced by the renin angiotensin system. Am J Physiol Cell Physiol [Epub ahead of print].
  • 18
    Goshayeshi L, Saber H, Sahebari M et al. (2012) Association between metabolic syndrome, BMI, and serum vitamin D concentrations in rheumatoid arthritis. Clin Rheumatol 31, 1197203.
  • 19
    Amer M (2012) Qayyum R (2012) Relation between serum 25-hydroxyvitamin D and C-reactive protein in asymptomatic adults (from the continuous National Health and Nutrition Examination Survey 2001 to 2006). Am J Cardiol 109 (2), 22630.
  • 20
    McCarty DE, Reddy A, Keigley Q, Kim PY, Cohen S, Marino AA (2013) Nonspecific pain is a marker for hypovitaminosis D in patients undergoing evaluation for sleep disorders: a pilot study. Nat Sci Sleep 5, 3742.
  • 21
    Abbasi M, Hashemipour S, Hajmanuchehri F, Kazemifar AM (2102) Is vitamin D deficiency associated with non specific musculoskeletal pain? Glob J Health Sci 5(1), 10711.
  • 22
    Heidari B, Shirvani JS, Firouzjahi A, Heidari P, Hajian-Tilaki KO (2010) Association between nonspecific skeletal pain and vitamin D deficiency. Int J Rheum Dis 13, 3406.
  • 23
    Johansen JV, Manniche C, Kjaer P (2013) Vitamin D levels appear to be normal in Danish patients attending secondary care for low backpain and a weak positive correlation between serum level Vitamin D and Modic changes was demonstrated: a cross-sectional cohort study of consecutive patients with non-specific low back pain. BMC Musculoskelet Disord 14, 78.
  • 24
    Schreuder F, Bernsen RM, van der Wouden JC (2012) Vitamin D supplementation for nonspecific musculoskeletal pain in non-Western immigrants: a randomized controlled trial. Ann Fam Med 10, 54755.
  • 25
    Abokrysha NT (2012) Vitamin D deficiency in women with fibromyalgia in Saudi Arabia. Pain Med 13, 4528.
  • 26
    Sakalli H, Arslan D, Yucel AE (2012) The effect of oral and parenteral vitamin D supplementation in the elderly: a prospective, double-blinded, randomized, placebo-controlled study. Rheumatol Int 32, 227983.
  • 27
    Ecemis GC, Atmaca A (2013) Quality of life is impaired not only in vitamin D deficient but also in vitamin D insufficient premenopausal women. J Endocrinol Invest [Epub ahead of print].
  • 28
    Harari M, Dramsdahl E, Shany S, et al. (2011) Increased vitamin D serum levels correlate with clinical improvement of rheumatic diseases after Dead Sea climatotherapy. Isr Med Assoc J 13, 2125.
  • 29
    de Rezende Pena C, Grillo LP, das Chagas Medeiros MM (2010) Evaluation of 25-hydroxyvitamin D serum levels in patients with fibromyalgia. J Clin Rheumatol 16, 3659.
  • 30
    Tague SE, Clarke GL, Winter MK, McCarson KE, Wright DE, Smith PG (2011) Vitamin D deficiency promotes skeletal muscle hypersensitivity and sensory hyperinnervation. J Neurosci 31 (39), 1372838.