Institute of Medicine: Dietary Reference Intakes for Calcium and Vitamin D. 2011, Washington (DC): National Academies Press
Google Scholar
Osunkwo I: Complete resolution of sickle cell chronic pain with high dose vitamin D therapy: a case report and review of the literature. J Pediatr Hematol Oncol. 2011, 33 (7): 549-551.
Article
PubMed
Google Scholar
Chapelon E, Garabedian M, Brousse V, Souberbielle JC, Bresson JL, de Montalembert M: Osteopenia and vitamin D deficiency in children with sickle cell disease. Eur J Haematol. 2009, 83 (6): 572-578.
Article
CAS
PubMed
Google Scholar
Rovner AJ, Stallings VA, Kawchak DA, Schall JI, Ohene-Frempong K, Zemel BS: High risk of vitamin D deficiency in children with sickle cell disease. J Am Diet Assoc. 2008, 108 (9): 1512-1516.
Article
CAS
PubMed
Google Scholar
Adewoye AH, Chen TC, Ma Q, McMahon L, Mathieu J, Malabanan A, Steinberg MH, Holick MF: Sickle cell bone disease: response to vitamin D and calcium. Am J Hematol. 2008, 83 (4): 271-274.
Article
CAS
PubMed
Google Scholar
Goodman BM, Artz N, Radford B, Chen IA: Prevalence of vitamin D deficiency in adults with sickle cell disease. J Natl Med Assoc. 2010, 102 (4): 332-335.
Article
PubMed
Google Scholar
Osunkwo I, Ziegler TR, Alvarez J, McCracken C, Cherry K, Osunkwo CE, Ofori-Acquah SF, Ghosh S, Ogunbobode A, Rhodes J, Eckman JR, Dampier C, Tangpricha V: High dose vitamin D therapy for chronic pain in children and adolescents with sickle cell disease: results of a randomized double blind pilot study. Br J Haematol. 2012, 159 (2): 211-215.
Article
CAS
PubMed
Google Scholar
Ahn J, Yu K, Stolzenberg-Solomon R, Simon KC, McCullough ML, Gallicchio L, Jacobs EJ, Ascherio A, Helzlsouer K, Jacobs KB, Li Q, Weinstein SJ, Purdue M, Virtamo J, Horst R, Wheeler W, Chanock S, Hunter DJ, Hayes RB, Kraft P, Albanes D: Genome-wide association study of circulating vitamin D levels. Hum Mol Genet. 2010, 19 (13): 2739-2745.
Article
CAS
PubMed
PubMed Central
Google Scholar
Fu L, Yun F, Oczak M, Wong BY, Vieth R, Cole DE: Common genetic variants of the vitamin D binding protein (DBP) predict differences in response of serum 25-hydroxyvitamin D [25(OH)D] to vitamin D supplementation. Clin Biochem. 2009, 42 (10–11): 1174-1177.
Article
CAS
PubMed
Google Scholar
Engelman CD, Fingerlin TE, Langefeld CD, Hicks PJ, Rich SS, Wagenknecht LE, Bowden DW, Norris JM: Genetic and environmental determinants of 25-hydroxyvitamin D and 1,25-dihydroxyvitamin D levels in Hispanic and African Americans. J Clin Endocrinol Metabol. 2008, 93 (9): 3381-3388.
Article
CAS
Google Scholar
Ramos-Lopez E, Bruck P, Jansen T, Herwig J, Badenhoop K: CYP2R1 (vitamin D 25-hydroxylase) gene is associated with susceptibility to type 1 diabetes and vitamin D levels in Germans. Diabetes Metab Res Rev. 2007, 23 (8): 631-636.
Article
CAS
PubMed
Google Scholar
Jablonski NG, Chaplin G: Colloquium paper: human skin pigmentation as an adaptation to UV radiation. Proc Natl Acad Sci Unit States Am. 2010, 107 (Suppl 2): 8962-8968.
Article
CAS
Google Scholar
Chaplin G: Geographic distribution of environmental factors influencing human skin coloration. Am J Phys Anthropol. 2004, 125 (3): 292-302.
Article
PubMed
Google Scholar
Chaplin G, Jablonski NG: Vitamin D and the evolution of human depigmentation. Am J Phys Anthropol. 2009, 139 (4): 451-461.
Article
PubMed
Google Scholar
Akingbola TS, Tayo BO, Salako B, Layden JE, Hsu LL, Cooper RS, Gordeuk VR, Saraf SL: Comparison of Patients from Nigeria and the USA Highlights Modifiable Risk Factors for Sickle Cell Anemia Complications. Hemoglobin. 2014, 38 (4): 236-243.
Article
CAS
PubMed
PubMed Central
Google Scholar
Luke A, Bovet P, Forrester TE, Lambert EV, Plange-Rhule J, Schoeller DA, Dugas LR, Durazo-Arvizu RA, Shoham D, Cooper RS, Brage S, Ekelund U, Steyn NP: Protocol for the modeling the epidemiologic transition study: a longitudinal observational study of energy balance and change in body weight, diabetes and cardiovascular disease risk. BMC Public Health. 2011, 11: 927-
Article
PubMed
PubMed Central
Google Scholar
Agborsangaya C, Toriola AT, Grankvist K, Surcel HM, Holl K, Parkkila S, Tuohimaa P, Lukanova A, Lehtinen M: The effects of storage time and sampling season on the stability of serum 25-hydroxy vitamin D and androstenedione. Nutr Cancer. 2010, 62 (1): 51-57.
Article
CAS
PubMed
Google Scholar
Antoniucci DM, Black DM, Sellmeyer DE: Serum 25-hydroxyvitamin D is unaffected by multiple freeze-thaw cycles. Clin Chem. 2005, 51 (1): 258-261.
Article
CAS
PubMed
Google Scholar
Strathmann FG, Sadilkova K, Laha TJ, LeSourd SE, Bornhorst JA, Hoofnagle AN, Jack R: 3-epi-25 hydroxyvitamin D concentrations are not correlated with age in a cohort of infants and adults. Clin Chim Acta. 2012, 413 (1–2): 203-206.
Article
CAS
PubMed
Google Scholar
Hoofnagle AN, Laha TJ, Donaldson TF: A rubber transfer gasket to improve the throughput of liquid-liquid extraction in 96-well plates: application to vitamin D testing. J Chromatogr B Analyt Technol Biomed Life Sci. 2010, 878 (19): 1639-1642.
Article
CAS
PubMed
PubMed Central
Google Scholar
von Elm E, Altman DG, Egger M, Pocock SJ, Gotzsche PC, Vandenbroucke JP: The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies. J Clin Epidemiol. 2008, 61 (4): 344-349.
Article
PubMed
Google Scholar
Buison AM, Kawchak DA, Schall J, Ohene-Frempong K, Stallings VA, Zemel BS: Low vitamin D status in children with sickle cell disease. J Pediatr. 2004, 145 (5): 622-627.
Article
CAS
PubMed
Google Scholar
Durazo-Arvizu RA, Aloia JF, Dugas LR, Tayo BO, Shoham DA, Bertino AM, Yeh JK, Cooper RS, Luke A: 25-hydroxyvitamin D levels in African American and Nigerian women. Am J Hum Biol. 2013, 25 (4): 560-562.
Article
PubMed
PubMed Central
Google Scholar
Lips P: Worldwide status of vitamin D nutrition. J Steroid Biochem Mol Biol. 2010, 121 (1–2): 297-300.
Article
CAS
PubMed
Google Scholar
Palacios C, Gonzalez L: Is vitamin D deficiency a major global public health problem?. J Steroid Biochem Mol Biol. 2013, doi:10.1016/j.jsbmb.2013.11.003
Google Scholar
Michos ED: Vitamin D deficiency and the risk of incident Type 2 diabetes. Future Cardiol. 2009, 5 (1): 15-18.
Article
CAS
PubMed
Google Scholar
Pilz S, Tomaschitz A, Ritz E, Pieber TR: Vitamin D status and arterial hypertension: a systematic review. Nat Rev Cardiol. 2009, 6 (10): 621-630.
Article
CAS
PubMed
Google Scholar
Reis AF, Hauache OM, Velho G: Vitamin D endocrine system and the genetic susceptibility to diabetes, obesity and vascular disease. A review of evidence. Diabetes Metab. 2005, 31 (4 Pt 1): 318-325.
Article
CAS
PubMed
Google Scholar
Wang TJ, Pencina MJ, Booth SL, Jacques PF, Ingelsson E, Lanier K, Benjamin EJ, D'Agostino RB, Wolf M, Vasan RS: Vitamin D deficiency and risk of cardiovascular disease. Circulation. 2008, 117 (4): 503-511.
Article
CAS
PubMed
Google Scholar
Holick MF: Vitamin D deficiency. N Engl J Med. 2007, 357 (3): 266-281.
Article
CAS
PubMed
Google Scholar
Aloia JF: African Americans, 25-hydroxyvitamin D, and osteoporosis: a paradox. Am J Clin Nutr. 2008, 88 (2): 545S-550S.
CAS
PubMed
PubMed Central
Google Scholar
Yang CY, Leung PS, Adamopoulos IE, Gershwin ME: The implication of vitamin D and autoimmunity: a comprehensive review. Clin Rev Allergy Immunol. 2013, 45 (2): 217-226.
Article
CAS
PubMed
Google Scholar
Maruotti N, Cantatore FP: Vitamin D and the immune system. J Rheumatol. 2010, 37 (3): 491-495.
Article
CAS
PubMed
Google Scholar
Wahl DA, Cooper C, Ebeling PR, Eggersdorfer M, Hilger J, Hoffmann K, Josse R, Kanis JA, Mithal A, Pierroz DD, Stenmark J, Stöcklin E, Dawson-Hughes B: A global representation of vitamin D status in healthy populations. Arch Osteoporos. 2012, 7 (1–2): 155-172.
Article
CAS
PubMed
Google Scholar
Luxwolda MF, Kuipers RS, Kema IP, van der Veer E, Dijck-Brouwer DA, Muskiet FA: Vitamin D status indicators in indigenous populations in East Africa. Eur J Nutr. 2013, 52 (3): 1115-1125.
Article
CAS
PubMed
Google Scholar
Durazo Arvizu RA, Aloia JF, Dugas LR, Tayo BO, Shoham DA, Bertino AM, Yeh JK, Cooper RS, Luke A: 25-hydroxyvitamin D levels in African American and Nigerian women. Am J Hum Biol. 2013, 25 (4): 560-562.
Article
PubMed
PubMed Central
Google Scholar