Determination of 24,25-dihydroxyvitamin D3 in Vitamin D External Quality Assessment Scheme samples using a reference measurement procedure

Authors: Wise, Stephen A., Hahm, Grace, Burdette, Carolyn Q., Tai, Susan S.-C., Camara, Johanna E., Sempos, Christopher T., Williams, Emma L.

Source: In Journal of Steroid Biochemistry and Molecular Biology July 2023 231

Serum 1,25-dihydroxyvitamin D levels in the diagnosis and pathogenesis of nutritional rickets – a multivariable re-analysis of a case-control study

Authors: Fischer, Philip R., Sempos, Christopher T., Pettifor, John M., Fraser, David R., Munns, Craig F., Durazo-Arvizu, Ramon A., Thacher, Tom D.

Source: In The American Journal of Clinical Nutrition May 2023 117(5):998-1004

Intra-trial Mean 25(OH)D and PTH Levels and Risk of Falling in Older Men and Women in the Boston STOP IT Trial

Authors: Dawson-Hughes, Bess, Wang, Jifan, Barger, Kathryn, Bischoff-Ferrari, Heike A, Sempos, Christopher T, Durazo-Arvizu, Ramon A, Ceglia, Lisa

Source: Journal of clinical endocrinology & metabolism. 107(5):e1932-e1937

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100155428580.0x000001&indx=1&recIds=ETOCvdc_100155428580.0x000001

Association of standardized serum 25-hydroxyvitamin D with falls in post-menopausal women.

Authors: Binkley, Neil¹ nbinkley@wisc.edu, Sempos, Christopher T.², Borchardt, Gretta¹, Larsen, Jennifer³, Stacey, Mark L.³, Mosiman, Samuel⁴, Lappe, Joan M.³

Source: Osteoporosis International. Feb2025, Vol. 36 Issue 2, p255-264. 10p.

Subject Terms: *THERAPEUTIC use of vitamin D, *RISK assessment, *SECONDARY analysis, *POSTMENOPAUSE, *DESCRIPTIVE statistics, *RETROSPECTIVE studies, *CALCIUM, *ODDS ratio, *DIARY (Literary form), *MEDICAL records, *ACQUISITION of data, *DIETARY supplements, *ACCIDENTAL falls, *VITAMIN D, *BIOMARKERS, *DISEASE incidence

Geographic Terms: UNITED States

Vitamin D Standardization Program (VDSP) intralaboratory study for the assessment of 25-hydroxyvitamin D assay variability and bias

Authors: Wise, Stephen A. ^*, Camara, Johanna E., Sempos, Christopher T., Lukas, Pierre, Le Goff, Caroline, Peeters, Stephanie, Burdette, Carolyn Q., Nalin, Federica, Hahm, Grace, Durazo-Arvizu, Ramón A., Kuszak, Adam J., Merkel, Joyce, Cavalier, Étienne

Source: In Journal of Steroid Biochemistry and Molecular Biology September 2021 212

Serum 25-hydroxyvitamin D requirements to prevent nutritional rickets in Nigerian children on a low-calcium diet—a multivariable reanalysis

Authors: Sempos, Christopher T ^*, Durazo-Arvizu, Ramón A, Fischer, Philip R, Munns, Craig F, Pettifor, John M, Thacher, Tom D

Source: In The American Journal of Clinical Nutrition July 2021 114(1):231-237

Recommendations on the measurement and the clinical use of vitamin D metabolites and vitamin D binding protein – A position paper from the IFCC Committee on bone metabolism

Authors: Makris, Konstantinos, Bhattoa, Harjit P, Cavalier, Etienne, Phinney, Karen, Sempos, Christopher T., Ulmer, Candice Z., Vasikaran, Samuel D., Vesper, Hubert, Heijboer, Annemieke C.

Source: In Clinica Chimica Acta June 2021 517:171-197

The Validity of Serum Alkaline Phosphatase to Identify Nutritional Rickets in Nigerian Children on a Calcium-Deprived Diet

Authors: Thacher, Tom D, Sempos, Christopher T, Durazo-Arvizu, Ramon A, Fischer, Philip R, Munns, Craig F, Pettifor, John M

Source: Journal of clinical endocrinology & metabolism. 106(9):e3559-e3564

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100135804788.0x000001&indx=1&recIds=ETOCvdc_100135804788.0x000001

Adjusting Coronavirus Prevalence Estimates for Laboratory Test Kit Error

Authors: Sempos, Christopher T, Tian, Lu

Source: American journal of epidemiology. 190(1):109-115

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100132575243.0x000001&indx=1&recIds=ETOCvdc_100132575243.0x000001

Prevalence and Determinants of QuantiFERON-Diagnosed Tuberculosis Infection in 9810 Mongolian Schoolchildren

Authors: Ganmaa, Davaasambuu, Khudyakov, Polyna, Buyanjargal, Uyanga, Jargalsaikhan, Badamtsetseg, Baigal, Delgerekh, Munkhjargal, Oyunsuren, Yansan, Narankhuu, Bolormaa, Sunjidmaa, Lkhagvasuren, Enkhsaikhan, Sempos, Christopher T., Bromage, Sabri, Wu, Zhenqiang, Ochirbat, Batbayar, Gunchin, Batbaatar, Martineau, Adrian R.

Source: Clinical Infectious Diseases, 2019 Sep 01. 69(5), 813-819.

Access URL: https://www.jstor.org/stable/26748686

Consensus Statement on Vitamin D Status Assessment and Supplementation: Whys, Whens, and Hows

Authors: Giustina, Andrea, Bilezikian, John P, Adler, Robert A, Banfi, Giuseppe, Bikle, Daniel D, Binkley, Neil C, Bollerslev, Jens, Bouillon, Roger, Brandi, Maria Luisa, Casanueva, Felipe F, di Filippo, Luigi, Donini, Lorenzo M, Ebeling, Peter R, Fuleihan, Ghada El-Hajj, Fassio, Angelo, Frara, Stefano, Jones, Glenville, Marcocci, Claudio, Martineau, Adrian R, Minisola, Salvatore, Napoli, Nicola, Procopio, Massimo, Rizzoli, René, Schafer, Anne L, Sempos, Christopher T, Ulivieri, Fabio Massimo, Virtanen, Jyrki K

Source: Endocrine Reviews; October 2024, Vol. 45 Issue: 5 p625-654, 30p

Towards harmonization of directly measured free 25-hydroxyvitamin D using an enzyme-linked immunosorbent assay.

Authors: Sempos, Christopher T.^1,2 (AUTHOR), Lindhout, Ernst³ (AUTHOR), Heureux, Nicolas^4,5 (AUTHOR), Hars, Michel⁴ (AUTHOR), Parkington, Damon A.⁶ (AUTHOR), Dennison, Emily⁷ (AUTHOR), Durazo-Arvizu, Ramón⁸ (AUTHOR), Jones, Kerry S.⁶ (AUTHOR) kerry.jones@mrc-epid.cam.ac.uk, Wise, Stephen A.¹ (AUTHOR)

Source: Analytical & Bioanalytical Chemistry. Nov2022, Vol. 414 Issue 27, p7793-7803. 11p.

Subject Terms: *ENZYME-linked immunosorbent assay, *VITAMIN D, *CARRIER proteins, *REFERENCE sources

Effects of vitamin D supplementation on markers for cardiovascular disease and type 2 diabetes: an individual participant data meta-analysis of randomized controlled trials

Authors: Swart, Karin MA ^*, Lips, Paul, Brouwer, Ingeborg A, Jorde, Rolf, Heymans, Martijn W, Grimnes, Guri, Grübler, Martin R, Gaksch, Martin, Tomaschitz, Andreas, Pilz, Stefan, Eiriksdottir, Gudny, Gudnason, Vilmundur, Wamberg, Louise, Rejnmark, Lars, Sempos, Christopher T, Durazo-Arvizu, Ramón A, Dowling, Kirsten G, Hull, George, Škrabáková, Zuzana, Kiely, Mairead, Cashman, Kevin D, van Schoor, Natasja M

Source: In The American Journal of Clinical Nutrition June 2018 107(6):1043-1053

Assessment of serum total 25-hydroxyvitamin D assays for Vitamin D External Quality Assessment Scheme (DEQAS) materials distributed at ambient and frozen conditions.

Authors: Sempos, Christopher T.^1,2 (AUTHOR), Williams, Emma L.³ (AUTHOR), Carter, Graham D.³ (AUTHOR), Jones, Julia³ (AUTHOR), Camara, Johanna E.⁴ (AUTHOR), Burdette, Carolyn Q.⁴ (AUTHOR), Hahm, Grace⁴ (AUTHOR), Nalin, Federica⁴ (AUTHOR), Duewer, David L.⁴ (AUTHOR), Kuszak, Adam J.¹ (AUTHOR), Merkel, Joyce¹ (AUTHOR), Hoofnagle, Andrew N.⁵ (AUTHOR), Lukas, Pierre⁶ (AUTHOR), Cavalier, Étienne⁶ (AUTHOR), Durazo-Arvizu, Ramón A.⁷ (AUTHOR), Crump, Peter M.⁸ (AUTHOR), Popp, Christian⁹ (AUTHOR), Beckert, Christian⁹ (AUTHOR), Schultess, Jan⁹ (AUTHOR), Van Slooten, Glen¹⁰ (AUTHOR)

Source: Analytical & Bioanalytical Chemistry. Jan2022, Vol. 414 Issue 2, p1015-1028. 14p.

Subject Terms: *VITAMIN D, *LIQUID chromatography-mass spectrometry, *BINDING site assay, *LIGAND binding (Biochemistry), *FALSE discovery rate, *MULTILEVEL models

Company/Entity: SIEMENS AG

Controversies in Vitamin D: Summary Statement From an International Conference

Authors: Giustina, Andrea, Adler, Robert A, Binkley, Neil, Bouillon, Roger, Ebeling, Peter R, Lazaretti-Castro, Marise, Marcocci, Claudio, Rizzoli, Rene, Sempos, Christopher T, Bilezikian, John P

Source: Journal of clinical endocrinology & metabolism. 104(2):234-240

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100088640167.0x000001&indx=1&recIds=ETOCvdc_100088640167.0x000001

The vitamin D status of the US population from 1988 to 2010 using standardized serum concentrations of 25-hydroxyvitamin D shows recent modest increases1–3

Authors: Schleicher, Rosemary L, Sternberg, Maya R, Lacher, David A, Sempos, Christopher T, Looker, Anne C, Durazo-Arvizu, Ramon A, Yetley, Elizabeth A, Chaudhary-Webb, Madhulika, Maw, Khin L, Pfeiffer, Christine M ^*, Johnson, Clifford L

Source: In The American Journal of Clinical Nutrition August 2016 104(2):454-461

National Estimates of Serum Total 25-Hydroxyvitamin D and Metabolite Concentrations Measured by Liquid Chromatography–Tandem Mass Spectrometry in the US Population during 2007–2010

Authors: Schleicher, Rosemary L, Sternberg, Maya R, Looker, Anne C, Yetley, Elizabeth A, Lacher, David A, Sempos, Christopher T, Taylor, Christine L, Durazo-Arvizu, Ramon A, Maw, Khin L, Chaudhary-Webb, Madhulika, Johnson, Clifford L, Pfeiffer, Christine M ^*

Source: In The Journal of Nutrition May 2016 146(5):1051-1061

Vitamin D deficiency in Europe: pandemic?

Authors: Cashman, Kevin D ^*, Dowling, Kirsten G, Škrabáková, Zuzana, Gonzalez-Gross, Marcela, Valtueña, Jara, De Henauw, Stefaan, Moreno, Luis, Damsgaard, Camilla T, Michaelsen, Kim F, Mølgaard, Christian, Jorde, Rolf, Grimnes, Guri, Moschonis, George, Mavrogianni, Christina, Manios, Yannis, Thamm, Michael, Mensink, Gert BM, Rabenberg, Martina, Busch, Markus A, Cox, Lorna, Meadows, Sarah, Goldberg, Gail, Prentice, Ann, Dekker, Jacqueline M, Nijpels, Giel, Pilz, Stefan, Swart, Karin M, van Schoor, Natasja M, Lips, Paul, Eiriksdottir, Gudny, Gudnason, Vilmundur, Cotch, Mary Frances, Koskinen, Seppo, Lamberg-Allardt, Christel, Durazo-Arvizu, Ramon A, Sempos, Christopher T, Kiely, Mairead

Source: In The American Journal of Clinical Nutrition April 2016 103(4):1033-1044

Standardizing 25-hydroxyvitamin D values from the Canadian Health Measures Survey

Authors: Sarafin, Kurtis, Durazo-Arvizu, Ramón, Tian, Lu, Phinney, Karen W, Tai, Susan, Camara, Johanna E, Merkel, Joyce, Green, Evan, Sempos, Christopher T, Brooks, Stephen PJ ^*

Source: In The American Journal of Clinical Nutrition November 2015 102(5):1044-1050

Estimating the Population Distribution of Usual 24-Hour Sodium Excretion from Timed Urine Void Specimens Using a Statistical Approach Accounting for Correlated Measurement Errors1–4

Authors: Wang, Chia-Yih ^*, Carriquiry, Alicia L, Chen, Te-Ching, Loria, Catherine M, Pfeiffer, Christine M, Liu, Kiang, Sempos, Christopher T, Perrine, Cria G, Cogswell, Mary E

Source: In The Journal of Nutrition May 2015 145(5):1017-1024