{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T15:38:13Z","timestamp":1790609893951,"version":"4.1.0"},"reference-count":70,"publisher":"The Endocrine Society","issue":"2","funder":[{"DOI":"10.13039\/100000062","name":"National Institute of Diabetes and Digestive and Kidney Diseases","doi-asserted-by":"crossref","award":["R01DK107629"],"award-info":[{"award-number":["R01DK107629"]}],"id":[{"id":"10.13039\/100000062","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100000062","name":"National Institute of Diabetes and Digestive and Kidney Diseases","doi-asserted-by":"crossref","award":["P30DK098722"],"award-info":[{"award-number":["P30DK098722"]}],"id":[{"id":"10.13039\/100000062","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100000069","name":"National Institute of Arthritis and Musculoskeletal and Skin Diseases","doi-asserted-by":"crossref","award":["P30AR075055"],"award-info":[{"award-number":["P30AR075055"]}],"id":[{"id":"10.13039\/100000069","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100006108","name":"National Center for Advancing Translational Sciences","doi-asserted-by":"crossref","award":["UL1TR001872"],"award-info":[{"award-number":["UL1TR001872"]}],"id":[{"id":"10.13039\/100006108","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100009804","name":"Northern California Institute for Research and Education","doi-asserted-by":"crossref","award":["T32DK00741837"],"award-info":[{"award-number":["T32DK00741837"]}],"id":[{"id":"10.13039\/100009804","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100000738","name":"U.S. Department of Veterans Affairs","doi-asserted-by":"crossref","award":["1IK2CX001984"],"award-info":[{"award-number":["1IK2CX001984"]}],"id":[{"id":"10.13039\/100000738","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,1,17]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Context<\/jats:title><jats:p>Laparoscopic sleeve gastrectomy (LSG), now the most commonly performed bariatric operation, is a highly effective treatment for obesity. While Roux-en-Y gastric bypass is known to impair intestinal fractional calcium absorption (FCA) and negatively affect bone metabolism, LSG's effects on calcium homeostasis and bone health have not been well characterized.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>We determined the effect of LSG on FCA, while maintaining robust 25-hydroxyvitamin D (25OHD) levels and recommended calcium intake.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design, setting, participants<\/jats:title><jats:p>Prospective pre-post observational cohort study of 35 women and men with severe obesity undergoing LSG.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcomes<\/jats:title><jats:p>FCA was measured preoperatively and 6 months postoperatively with a gold-standard dual stable isotope method. Other measures included calciotropic hormones, bone turnover markers, and bone mineral density (BMD) by dual-energy X-ray absorptiometry and quantitative computed tomography.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Mean \u00b1 SD FCA decreased from 31.4 \u00b1 15.4% preoperatively to 16.1 \u00b1 12.3% postoperatively (P &amp;lt; 0.01), while median (interquartile range) 25OHD levels were 39 (32-46) ng\/mL and 36 (30-46) ng\/mL, respectively. Concurrently, median 1,25-dihydroxyvitamin D level increased from 60 (50-82) pg\/mL to 86 (72-107) pg\/mL (P &amp;lt; 0.01), without significant changes in parathyroid hormone or 24-hour urinary calcium levels. Bone turnover marker levels increased substantially, and areal BMD decreased at the proximal femur. Those with lower postoperative FCA had greater areal BMD loss at the total hip (\u03c1 = 0.45, P &amp;lt; 0.01).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>FCA decreases after LSG, with a concurrent rise in bone turnover marker levels and decline in BMD, despite robust 25OHD levels and with recommended calcium intake. Decline in FCA could contribute to negative skeletal effects following LSG.<\/jats:p><\/jats:sec>","DOI":"10.1210\/clinem\/dgac579","type":"journal-article","created":{"date-parts":[[2022,10,5]],"date-time":"2022-10-05T08:28:31Z","timestamp":1664958511000},"page":"351-360","source":"Crossref","is-referenced-by-count":28,"title":["Intestinal Calcium Absorption Decreases After Laparoscopic Sleeve Gastrectomy Despite Optimization of Vitamin D Status"],"prefix":"10.1210","volume":"108","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8615-2897","authenticated-orcid":false,"given":"Karin C","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Medicine, University of California San Francisco , San Francisco, CA 94143 , USA"},{"name":"Endocrine Research Unit, San Francisco Veterans Affairs Health Care System , San Francisco, CA 94121 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sisi","family":"Cao","sequence":"additional","affiliation":[{"name":"Department of Human Sciences, The Ohio State University , Columbus, OH 43210 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Connie M","family":"Weaver","sequence":"additional","affiliation":[{"name":"Department of Exercise and Nutritional Sciences, San Diego State University , San Diego, CA 92182 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicole J","family":"King","sequence":"additional","affiliation":[{"name":"Endocrine Research Unit, San Francisco Veterans Affairs Health Care System , San Francisco, CA 94121 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sheena","family":"Patel","sequence":"additional","affiliation":[{"name":"California Pacific Medical Center Research Institute , San Francisco, CA 94107 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tiffany Y","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Medicine, University of California San Francisco , San Francisco, CA 94143 , USA"},{"name":"Endocrine Research Unit, San Francisco Veterans Affairs Health Care System , San Francisco, CA 94121 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dennis M","family":"Black","sequence":"additional","affiliation":[{"name":"Department of Epidemiology and Biostatistics, University of California San Francisco , San Francisco, CA 94143 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hillary","family":"Kingman","sequence":"additional","affiliation":[{"name":"Endocrine Research Unit, San Francisco Veterans Affairs Health Care System , San Francisco, CA 94121 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin M","family":"Shafer","sequence":"additional","affiliation":[{"name":"Department of Medicine, University of Wisconsin School of Medicine and Public Health , Madison, WI 53705 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stanley J","family":"Rogers","sequence":"additional","affiliation":[{"name":"Department of Surgery, University of California San Francisco , San Francisco, CA 94143 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lygia","family":"Stewart","sequence":"additional","affiliation":[{"name":"Department of Surgery, University of California San Francisco , San Francisco, CA 94143 , USA"},{"name":"Surgical Services, San Francisco Veterans Affairs Health Care System , San Francisco, CA 94121 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan T","family":"Carter","sequence":"additional","affiliation":[{"name":"Department of Surgery, University of California San Francisco , San Francisco, CA 94143 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew M","family":"Posselt","sequence":"additional","affiliation":[{"name":"Department of Surgery, University of California San Francisco , San Francisco, CA 94143 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anne L","family":"Schafer","sequence":"additional","affiliation":[{"name":"Department of Medicine, University of California San Francisco , San Francisco, CA 94143 , USA"},{"name":"Endocrine Research Unit, San Francisco Veterans Affairs Health Care System , San Francisco, CA 94121 , USA"},{"name":"Department of Epidemiology and Biostatistics, University of California San Francisco , San Francisco, CA 94143 , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"80","published-online":{"date-parts":[[2022,10,5]]},"reference":[{"issue":"360","key":"2023041210310929100_","first-page":"1","article-title":"Prevalence of obesity and severe obesity among adults: United States, 2017-2018","author":"Hales","year":"2020","journal-title":"NCHS Data Brief"},{"issue":"10046","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"776","DOI":"10.1016\/S0140-6736(16)30175-1","article-title":"Body-mass index and all-cause mortality: individual-participant-data meta-analysis of 239 prospective studies in four continents","volume":"388","author":"Global BMI Mortality Collaboration","year":"2016","journal-title":"Lancet"},{"issue":"14","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1724","DOI":"10.1001\/jama.292.14.1724","article-title":"Bariatric surgery: a systematic review and meta-analysis","volume":"292","author":"Buchwald","year":"2004","journal-title":"JAMA"},{"issue":"3","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"275","DOI":"10.1001\/jamasurg.2013.3654","article-title":"The effectiveness and risks of bariatric surgery: an updated systematic review and meta-analysis, 2003-2012","volume":"149","author":"Chang","year":"2014","journal-title":"JAMA Surg"},{"issue":"1","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1007\/s00198-013-2463-x","article-title":"Fracture risk following bariatric surgery: a population-based study","volume":"25","author":"Nakamura","year":"2014","journal-title":"Osteoporos Int"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"165","DOI":"10.1016\/S2213-8587(13)70183-9","article-title":"Bone loss after bariatric surgery: causes, consequences, and management","volume":"2","author":"Stein","year":"2014","journal-title":"Lancet Diabetes Endocrinol"},{"key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"i3794","DOI":"10.1136\/bmj.i3794","article-title":"Change in fracture risk and fracture pattern after bariatric surgery: nested case-control study","volume":"354","author":"Rousseau","year":"2016","journal-title":"BMJ"},{"issue":"6","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1229","DOI":"10.1002\/jbmr.3101","article-title":"Fracture risk after bariatric surgery: Roux-en-Y gastric bypass versus adjustable gastric banding","volume":"32","author":"Yu","year":"2017","journal-title":"J Bone Miner Res"},{"issue":"12","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"2122","DOI":"10.1002\/jbmr.3553","article-title":"Fracture risk after gastric bypass surgery: a retrospective cohort study","volume":"33","author":"Axelsson","year":"2018","journal-title":"J Bone Miner Res"},{"issue":"3","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1002\/jbm4.10048","article-title":"Bone health after bariatric surgery","volume":"2","author":"Gagnon","year":"2018","journal-title":"JBMR Plus"},{"issue":"11","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"4104","DOI":"10.1210\/jc.2018-01496","article-title":"Longitudinal 5-year evaluation of bone density and microarchitecture after Roux-en-Y gastric bypass surgery","volume":"103","author":"Lindeman","year":"2018","journal-title":"J Clin Endocrinol Metab"},{"issue":"6","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"975","DOI":"10.1002\/jbmr.3371","article-title":"Effects of gastric bypass surgery on bone mass and microarchitecture occur early and particularly impact postmenopausal women","volume":"33","author":"Schafer","year":"2018","journal-title":"J Bone Miner Res"},{"issue":"5","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"728","DOI":"10.1111\/obr.12665","article-title":"A meta-analysis of the effects of bariatric surgery on fracture risk","volume":"19","author":"Zhang","year":"2018","journal-title":"Obes Rev"},{"issue":"8","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1415","DOI":"10.1002\/jbmr.4012","article-title":"Gastric bypass but not sleeve gastrectomy increases risk of major osteoporotic fracture: French population-based cohort study","volume":"35","author":"Paccou","year":"2020","journal-title":"J Bone Miner Res"},{"issue":"1","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"24","DOI":"10.1093\/ajcn\/nqy071","article-title":"Calcium absorption may be affected after either sleeve gastrectomy or Roux-en-Y gastric bypass in premenopausal women: a 2-y prospective study","volume":"108","author":"Carrasco","year":"2018","journal-title":"Am J Clin Nutr"},{"issue":"8","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1377","DOI":"10.1002\/jbmr.2467","article-title":"Intestinal calcium absorption decreases dramatically after gastric bypass surgery despite optimization of vitamin D status","volume":"30","author":"Schafer","year":"2015","journal-title":"J Bone Miner Res"},{"issue":"11","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1940","DOI":"10.1038\/oby.2006.226","article-title":"True fractional calcium absorption is decreased after Roux-en-Y gastric bypass surgery","volume":"14","author":"Riedt","year":"2006","journal-title":"Obesity (Silver Spring)"},{"issue":"6","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1199","DOI":"10.1016\/j.soard.2015.08.496","article-title":"American Society for Metabolic and Bariatric Surgery estimation of bariatric surgery procedures in the United States, 2011-2014","volume":"11","author":"Ponce","year":"2015","journal-title":"Surg Obes Relat Dis"},{"issue":"3","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"782","DOI":"10.1007\/s11695-018-3593-1","article-title":"Bariatric surgery worldwide: baseline demographic description and one-year outcomes from the fourth IFSO Global Registry report 2018","volume":"29","author":"Welbourn","year":"2019","journal-title":"Obes Surg"},{"issue":"12","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1160","DOI":"10.1001\/jamasurg.2021.4981","article-title":"Comparative safety of sleeve gastrectomy and gastric bypass up to 5 years after surgery in patients with severe obesity","volume":"156","author":"Howard","year":"2021","journal-title":"JAMA Surg"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"501","DOI":"10.1210\/clinem\/dgaa808","article-title":"Bone mineral density and turnover after sleeve gastrectomy and gastric bypass: a randomized controlled trial (Oseberg)","volume":"106","author":"Hofso","year":"2021","journal-title":"J Clin Endocrinol Metab"},{"issue":"1","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"180","DOI":"10.1007\/s11695-019-04127-5","article-title":"Changes in bone mineral density in patients with type 2 diabetes after different bariatric surgery procedures and the role of gastrointestinal hormones","volume":"30","author":"Guerrero-Perez","year":"2020","journal-title":"Obes Surg"},{"issue":"9","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"3317","DOI":"10.1007\/s11695-020-04568-3","article-title":"Long-term effects of Roux-en-Y gastric bypass and sleeve gastrectomy on bone mineral density: a 4-year longitudinal study","volume":"30","author":"Cadart","year":"2020","journal-title":"Obes Surg"},{"key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1016\/j.bone.2016.11.014","article-title":"Effects of Roux-en-Y gastric bypass and sleeve gastrectomy on bone mineral density and marrow adipose tissue","volume":"95","author":"Bredella","year":"2017","journal-title":"Bone"},{"key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"101","DOI":"10.1016\/j.ijsu.2020.02.035","article-title":"Comparative analysis of weight loss and resolution of comorbidities between laparoscopic sleeve gastrectomy and Roux-en-Y gastric bypass: a systematic review and meta-analysis based on 18 studies","volume":"76","author":"Han","year":"2020","journal-title":"Int J Surg"},{"issue":"3","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"255","DOI":"10.1001\/jama.2017.20897","article-title":"Effect of laparoscopic sleeve gastrectomy vs laparoscopic Roux-en-Y gastric bypass on weight loss in patients with morbid obesity: the SM-BOSS randomized clinical trial","volume":"319","author":"Peterli","year":"2018","journal-title":"JAMA"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1001\/jamasurg.2020.5666","article-title":"Effect of laparoscopic sleeve gastrectomy vs Roux-en-Y gastric bypass on weight loss and quality of life at 7 years in patients with morbid obesity: the SLEEVEPASS randomized clinical trial","volume":"156","author":"Gronroos","year":"2021","journal-title":"JAMA Surg"},{"issue":"12","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"956","DOI":"10.7326\/0003-4819-115-12-956","article-title":"NIH Conference. Gastrointestinal surgery for severe obesity. Consensus Development Conference Panel","volume":"115","year":"1991","journal-title":"Ann Intern Med"},{"issue":"7","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1237","DOI":"10.1016\/j.jada.2009.04.018","article-title":"Validation of two food frequency questionnaires for dietary calcium assessment","volume":"109","author":"Hacker-Thompson","year":"2009","journal-title":"J Am Diet Assoc"},{"issue":"5","key":"2023041210310929100_","first-page":"822","article-title":"A double isotope method for measurement of intestinal absorption of calcium in man","volume":"66","author":"DeGrazia","year":"1965","journal-title":"J Lab Clin Med"},{"issue":"1","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"97","DOI":"10.1016\/0009-8981(85)90129-9","article-title":"Stable isotopes of calcium as tracers: methodology","volume":"146","author":"Smith","year":"1985","journal-title":"Clin Chim Acta"},{"key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1007\/978-1-59259-961-5_5","volume-title":"Calcium in Human Health","author":"Weaver","year":"2006","edition":"1st ed."},{"issue":"12","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1327","DOI":"10.1016\/0895-4356(90)90099-B","article-title":"Validation of a self-administered diet history questionnaire using multiple diet records","volume":"43","author":"Block","year":"1990","journal-title":"J Clin Epidemiol"},{"issue":"4","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1088","DOI":"10.1093\/ajcn\/88.4.1088","article-title":"Comparison of dual-energy X-ray absorptiometry and magnetic resonance imaging-measured adipose tissue depots in HIV-infected and control subjects","volume":"88","author":"Scherzer","year":"2008","journal-title":"Am J Clin Nutr"},{"issue":"1","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"130","DOI":"10.1097\/00004728-199901000-00027","article-title":"Assessment of vertebral bone mineral density using volumetric quantitative CT","volume":"23","author":"Lang","year":"1999","journal-title":"J Comput Assist Tomogr"},{"issue":"9","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1539","DOI":"10.1007\/s00198-008-0820-y","article-title":"Comparison of QCT-derived and DXA-derived areal bone mineral density and T scores","volume":"20","author":"Khoo","year":"2009","journal-title":"Osteoporos Int"},{"issue":"1","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1093\/gerona\/glt070","article-title":"Adipose tissue density, a novel biomarker predicting mortality risk in older adults","volume":"69","author":"Murphy","year":"2014","journal-title":"J Gerontol A Biol Sci Med Sci"},{"issue":"4","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"893","DOI":"10.1002\/oby.21028","article-title":"Fat distribution and mortality: the AGES-Reykjavik study","volume":"23","author":"Koster","year":"2015","journal-title":"Obesity (Silver Spring)"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"387","DOI":"10.1002\/jcb.10330","article-title":"Mechanisms of intestinal calcium absorption","volume":"88","author":"Bronner","year":"2003","journal-title":"J Cell Biochem"},{"key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"202","DOI":"10.1016\/j.jsbmb.2016.12.012","article-title":"Vitamin D and intestinal calcium transport after bariatric surgery","volume":"173","author":"Schafer","year":"2017","journal-title":"J Steroid Biochem Mol Biol"},{"issue":"1","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1152\/physrev.00014.2015","article-title":"Vitamin D: metabolism, molecular mechanism of action, and pleiotropic effects","volume":"96","author":"Christakos","year":"2016","journal-title":"Physiol Rev"},{"issue":"11","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1515","DOI":"10.1007\/s11695-009-9954-z","article-title":"Scintigraphic evaluation of gastric emptying in obese patients submitted to sleeve gastrectomy compared to normal subjects","volume":"19","author":"Braghetto","year":"2009","journal-title":"Obes Surg"},{"key":"2023041210310929100_","doi-asserted-by":"crossref","DOI":"10.1155\/2018\/4135813","article-title":"Impact of laparoscopic sleeve gastrectomy on gastrointestinal motility","volume":"2018","author":"Sioka","year":"2018","journal-title":"Gastroenterol Res Pract"},{"key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"152","DOI":"10.1016\/j.ejpb.2021.01.016","article-title":"Stomach pH before vs. after different bariatric surgery procedures: clinical implications for drug delivery","volume":"160","author":"Porat","year":"2021","journal-title":"Eur J Pharm Biopharm"},{"issue":"5","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"917","DOI":"10.7326\/0003-4819-66-5-917","article-title":"The absorption of calcium carbonate","volume":"66","author":"Ivanovich","year":"1967","journal-title":"Ann Intern Med"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"70","DOI":"10.1056\/NEJM198507113130202","article-title":"Calcium absorption and achlorhydria","volume":"313","author":"Recker","year":"1985","journal-title":"N Engl J Med"},{"issue":"7","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"778","DOI":"10.1016\/j.amjmed.2005.02.007","article-title":"Effects of proton pump inhibitors on calcium carbonate absorption in women: a randomized crossover trial","volume":"118","author":"O\u2019Connell","year":"2005","journal-title":"Am J Med"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"466","DOI":"10.1093\/ajcn\/72.2.466","article-title":"Factors associated with calcium absorption efficiency in pre- and perimenopausal women","volume":"72","author":"Wolf","year":"2000","journal-title":"Am J Clin Nutr"},{"issue":"11","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"2607","DOI":"10.1007\/s00198-012-1901-5","article-title":"Hormonal and dietary influences on true fractional calcium absorption in women: role of obesity","volume":"23","author":"Shapses","year":"2012","journal-title":"Osteoporos Int"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1007\/s11914-015-0257-0","article-title":"Diet, gut microbiome, and bone health","volume":"13","author":"Weaver","year":"2015","journal-title":"Curr Osteoporos Rep"},{"issue":"1","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"123","DOI":"10.1093\/ajcn\/80.1.123","article-title":"Weight loss and calcium intake influence calcium absorption in overweight postmenopausal women","volume":"80","author":"Cifuentes","year":"2004","journal-title":"Am J Clin Nutr"},{"issue":"3","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"637","DOI":"10.3945\/ajcn.112.044909","article-title":"Vitamin D supplementation and calcium absorption during caloric restriction: a randomized double-blind trial","volume":"97","author":"Shapses","year":"2013","journal-title":"Am J Clin Nutr"},{"issue":"4","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1755","DOI":"10.1210\/endo.134.4.8137740","article-title":"Growth hormone and parathyroid hormone stimulate intestinal calcium absorption in aged female rats","volume":"134","author":"Fleet","year":"1994","journal-title":"Endocrinology"},{"issue":"11","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"2010","DOI":"10.3945\/jn.111.142679","article-title":"Insulin-like growth factor-1 increases bone calcium accumulation only during rapid growth in female rats","volume":"141","author":"Zhang","year":"2011","journal-title":"J Nutr"},{"issue":"43","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"25461","DOI":"10.1074\/jbc.270.43.25461","article-title":"Insulin-like growth factor I, a unique calcium-dependent stimulator of 1,25-dihydroxyvitamin D3 production. Studies in cultured mouse kidney cells","volume":"270","author":"Menaa","year":"1995","journal-title":"J Biol Chem"},{"issue":"1","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"133","DOI":"10.1210\/endo.132.1.8419119","article-title":"Insulin-like growth factor-I regulation of renal 25-hydroxyvitamin D-1-hydroxylase activity","volume":"132","author":"Nesbitt","year":"1993","journal-title":"Endocrinology"},{"issue":"5","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1147","DOI":"10.1093\/jn\/130.5.1147","article-title":"Insulin-like growth factor-I stimulates renal 1, 25-dihydroxycholecalciferol synthesis in old rats fed a low calcium diet","volume":"130","author":"Wong","year":"2000","journal-title":"J Nutr"},{"issue":"11","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1135","DOI":"10.1002\/jbmr.5650051107","article-title":"Influence of calcium load on absorption fraction","volume":"5","author":"Heaney","year":"1990","journal-title":"J Bone Miner Res"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"423","DOI":"10.1007\/s00198-013-2480-9","article-title":"Bone and mineral metabolism in patients undergoing Roux-en-Y gastric bypass","volume":"25","author":"Hage","year":"2014","journal-title":"Osteoporos Int"},{"issue":"1","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"52","DOI":"10.1111\/j.1467-789X.2012.01050.x","article-title":"Bariatric surgery, bone loss, obesity and possible mechanisms","volume":"14","author":"Brzozowska","year":"2013","journal-title":"Obes Rev"},{"issue":"11","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1373","DOI":"10.1038\/ijo.2012.115","article-title":"Bariatric surgery and bone disease: from clinical perspective to molecular insights","volume":"36","author":"Folli","year":"2012","journal-title":"Int J Obes (Lond)"},{"issue":"12","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1204","DOI":"10.1111\/dom.12363","article-title":"Skeletal effects of bariatric surgery: examining bone loss, potential mechanisms and clinical relevance","volume":"16","author":"Scibora","year":"2014","journal-title":"Diabetes Obes Metab"},{"issue":"4214","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"578","DOI":"10.1126\/science.1188357","article-title":"Regulation of serum 1alpha,25-dihydroxyvitamin D3 by calcium and phosphate in the rat","volume":"190","author":"Hughes","year":"1975","journal-title":"Science"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"566","DOI":"10.1016\/0003-9861(73)90010-6","article-title":"The control of 25-hydroxyvitamin D metabolism by inorganic phosphorus","volume":"154","author":"Tanaka","year":"1973","journal-title":"Arch Biochem Biophys"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"299","DOI":"10.1210\/jcem-45-2-299","article-title":"The importance of phosphate in regulating plasma 1,25-(OH)2-vitamin D levels in humans: studies in healthy subjects in calcium-stone formers and in patients with primary hyperparathyroidism","volume":"45","author":"Gray","year":"1977","journal-title":"J Clin Endocrinol Metab"},{"issue":"3","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"571","DOI":"10.1038\/ki.1984.56","article-title":"Phosphate deprivation increases serum 1,25-(OH)2-vitamin D concentrations in healthy men","volume":"25","author":"Maierhofer","year":"1984","journal-title":"Kidney Int"},{"issue":"2","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"587","DOI":"10.1210\/endo.143.2.8627","article-title":"Dietary phosphorus transcriptionally regulates 25-hydroxyvitamin D-1alpha-hydroxylase gene expression in the proximal renal tubule","volume":"143","author":"Zhang","year":"2002","journal-title":"Endocrinology"},{"issue":"5","key":"2023041210310929100_","doi-asserted-by":"crossref","first-page":"1720","DOI":"10.1210\/endo.142.5.8119","article-title":"Dietary phosphorus deprivation induces 25-hydroxyvitamin D(3) 1alpha-hydroxylase gene expression","volume":"142","author":"Yoshida","year":"2001","journal-title":"Endocrinology"},{"key":"2023041210310929100_","volume-title":"Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Vitamin D and Calcium","author":"Dietary reference intakes for calcium and vitamin D","year":"2011"},{"issue":"Suppl 1","key":"2023041210310929100_","first-page":"S1","article-title":"Clinical practice guidelines for the perioperative nutritional, metabolic, and nonsurgical support of the bariatric surgery patient\u20132013 update: cosponsored by American Association of Clinical Endocrinologists, the Obesity Society, and American Society for Metabolic & Bariatric Surgery","volume":"21","author":"Mechanick","year":"2013","journal-title":"Obesity (Silver Spring)"}],"container-title":["The Journal of Clinical Endocrinology &amp; Metabolism"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/academic.oup.com\/jcem\/advance-article-pdf\/doi\/10.1210\/clinem\/dgac579\/46596489\/dgac579.pdf","content-type":"application\/pdf","content-version":"am","intended-application":"syndication"},{"URL":"https:\/\/academic.oup.com\/jcem\/article-pdf\/108\/2\/351\/49860778\/dgac579.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/academic.oup.com\/jcem\/article-pdf\/108\/2\/351\/49860778\/dgac579.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,11,28]],"date-time":"2023-11-28T13:10:39Z","timestamp":1701177039000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/jcem\/article\/108\/2\/351\/6748484"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,10,5]]},"references-count":70,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2022,10,5]]},"published-print":{"date-parts":[[2023,1,17]]}},"URL":"https:\/\/doi.org\/10.1210\/clinem\/dgac579","relation":{},"ISSN":["0021-972X","1945-7197"],"issn-type":[{"value":"0021-972X","type":"print"},{"value":"1945-7197","type":"electronic"}],"subject":[],"published-other":{"date-parts":[[2023,2,1]]},"published":{"date-parts":[[2022,10,5]]}}}