{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T05:40:58Z","timestamp":1773207658306,"version":"3.50.1"},"reference-count":35,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2011,5,23]],"date-time":"2011-05-23T00:00:00Z","timestamp":1306108800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2011,8,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Patients with an activation mutation of the Lrp5 gene exhibit high bone mass (HBM). Limited information is available regarding compartment-specific changes in bone. The relationship between the phenotype and serum serotonin is not well documented. To evaluate bone, serotonin, and bone turnover markers (BTM) in Lrp5-HBM patients, we studied 19 Lrp5-HBM patients (T253I) and 19 age- and sex-matched controls. DXA and HR-pQCT were used to assess BMD and bone structure. Serum serotonin, sclerostin, dickkopf-related protein 1 (DKK1), and BTM were evaluated. Z-scores for the forearm, total hip, lumbar spine, forearm, and whole body were significantly increased (mean\u2009\u00b1\u2009SD) between 4.94\u2009\u00b1\u20091.45 and 7.52\u2009\u00b1\u20091.99 in cases versus \u22120.19\u2009\u00b1\u20091.19 to 0.58\u2009\u00b1\u20090.84 in controls. Tibial and radial cortical areas, thicknesses, and BMD were significantly higher in cases. In cases, BMD at the lumbar spine and forearm and cortical thickness were positively associated and trabecular area negatively associated with age (r\u2009=\u20090.49, 0.57, 0.74, and \u22120.61, respectively, p\u2009&amp;lt;\u2009.05). Serotonin was lowest in cases (69.5 [29.9\u2013110.4] ng\/mL versus 119.4 [62.3\u2013231.0] ng\/mL, p\u2009&amp;lt;\u2009.001) and inversely associated with tibial cortical density (r\u2009=\u2009\u22120.49, p\u2009&amp;lt;\u2009.05) and directly with osteocalcin (OC), bone-specific alkaline phosphatase (B-ALP), and procollagen type 1 amino-terminal propeptide (PINP) (r\u2009=\u20090.52\u20130.65, p\u2009&amp;lt;\u2009.05) in controls only. OC and S-CTX were lower and sclerostin higher in cases, whereas B-ALP, PINP, tartrate-resistant acid phosphatase (TRAP), and dickkopf-related protein 1 (DKK1) were similar in cases and controls. In conclusion, increased bone mass in Lrp5-HBM patients seems to be caused primarily by changes in trabecular and cortical bone mass and structure. The phenotype appeared to progress with age, but BTM did not suggest increased bone formation. \u00a9 2011 American Society for Bone and Mineral Research<\/jats:p>","DOI":"10.1002\/jbmr.376","type":"journal-article","created":{"date-parts":[[2011,2,26]],"date-time":"2011-02-26T07:30:06Z","timestamp":1298705406000},"page":"1721-1728","source":"Crossref","is-referenced-by-count":63,"title":["Levels of serotonin, sclerostin, bone turnover markers as well as bone density and microarchitecture in patients with high-bone-mass phenotype due to a mutation in Lrp5"],"prefix":"10.1093","volume":"26","author":[{"given":"Morten","family":"Frost","sequence":"first","affiliation":[{"name":"Department of Endocrinology and Metabolism, Odense University Hospital, Odense, Denmark"}]},{"given":"Tom","family":"Andersen","sequence":"additional","affiliation":[{"name":"Department of Endocrinology and Metabolism, Odense University Hospital, Odense, Denmark"}]},{"given":"Fatma","family":"Gossiel","sequence":"additional","affiliation":[{"name":"University of Sheffield, Sheffield, United Kingdom"}]},{"given":"Stinus","family":"Hansen","sequence":"additional","affiliation":[{"name":"Department of Endocrinology and Metabolism, Odense University Hospital, Odense, Denmark"}]},{"given":"Jens","family":"Bollerslev","sequence":"additional","affiliation":[{"name":"Department of Endocrinology, Rikshospitalet, Oslo, and Faculty of Medicine, University of Oslo, Norway"}]},{"given":"Wim","family":"van Hul","sequence":"additional","affiliation":[{"name":"Department of Medical Genetics, University of Antwerp, Antwerp, Belgium"}]},{"given":"Richard","family":"Eastell","sequence":"additional","affiliation":[{"name":"University of Sheffield, Sheffield, United Kingdom"}]},{"given":"Moustapha","family":"Kassem","sequence":"additional","affiliation":[{"name":"Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh, Kingdom of Saudi Arabia"},{"name":"Department of Endocrinology and Metabolism, Odense University Hospital, Odense, Denmark"}]},{"given":"Kim","family":"Brixen","sequence":"additional","affiliation":[{"name":"Department of Endocrinology and Metabolism, Odense University Hospital, Odense, Denmark"}]}],"member":"286","published-online":{"date-parts":[[2011,5,23]]},"reference":[{"key":"2024020318014557200_bib1","doi-asserted-by":"crossref","first-page":"513","DOI":"10.1016\/S0092-8674(01)00571-2","article-title":"LDL receptor-related protein 5 (LRP5) affects bone accrual and eye development","volume":"107","author":"Gong","year":"2001","journal-title":"Cell."},{"key":"2024020318014557200_bib2","doi-asserted-by":"crossref","first-page":"1513","DOI":"10.1056\/NEJMoa013444","article-title":"High bone density due to a mutation in LDL-receptor-related protein 5","volume":"346","author":"Boyden","year":"2002","journal-title":"N Engl J 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