{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T04:08:18Z","timestamp":1792382898064,"version":"4.4.0"},"reference-count":38,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2018,8,25]],"date-time":"2018-08-25T00:00:00Z","timestamp":1535155200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>Canonical Wnt (Wingless\/Integrated) signaling is crucial in bone development and the Wnt ligand can promote osteoblast differentiation from mesenchymal progenitor cells. Calcitriol, an active vitamin D3, is used clinically for treatment of secondary hyperparathyroidism (SHPT) in chronic kidney disease (CKD) patients. The bone effects of calcitriol in SHPT remains uncertain. We hypothesized that calcitriol improves bone mass by suppressing osteoclast activity, and simultaneously promoting Wnt ligand secretion. We designed a cross-sectional study in maintenance hemodialysis patients to explore the effects of calcitriol on different bone turnover markers and specifically emphasized the Wnt 10b levels. Then, we explored the source of Wnt 10b secretion by using osteoclasts and osteoblasts treated with calcitriol in cell culture studies. Finally, we explored the effects of calcitriol on bone microarchitectures in CKD mice, using the 5\/6 nephrectomy CKD animal model with analysis using micro-computed tomography. Calcitriol promoted the growth of both trabecular and cortical bones in the CKD mice. Wnt 10b and Procollagen 1 N-terminal Propeptide (P1NP) significantly increased, but Tartrate-resistant acid phosphatase 5b (Trap 5b) significantly decreased in the calcitriol-treated maintenance hemodialysis patients. Calcitriol enhanced Wnt 10b secretion from osteoclasts in a dose-dependent manner. Treatment of SHPT with calcitriol improved the bone anabolism by inhibiting osteoclasts and promoting osteoblasts that might be achieved by increasing the Wnt 10b level.<\/jats:p>","DOI":"10.3390\/nu10091164","type":"journal-article","created":{"date-parts":[[2018,8,27]],"date-time":"2018-08-27T10:56:04Z","timestamp":1535367364000},"page":"1164","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Association of Anabolic Effect of Calcitriol with Osteoclast-Derived Wnt 10b Secretion"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9452-5179","authenticated-orcid":false,"given":"Chien-Lin","family":"Lu","sequence":"first","affiliation":[{"name":"Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan"},{"name":"Division of Nephrology, Department of Medicine, Fu Jen Catholic University Hospital, School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jia-Fwu","family":"Shyu","sequence":"additional","affiliation":[{"name":"Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan"},{"name":"Department of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8772-011X","authenticated-orcid":false,"given":"Chia-Chao","family":"Wu","sequence":"additional","affiliation":[{"name":"Division of Nephrology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3478-5451","authenticated-orcid":false,"given":"Chi-Feng","family":"Hung","sequence":"additional","affiliation":[{"name":"School of Medicine, Fu-Jen Catholic University, New Taipei City 242, Taiwan"},{"name":"Graduate Institute of Biomedical and Pharmaceutical Science, Fu-Jen Catholic University, New Taipei City 262, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min-Tser","family":"Liao","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Taoyuan Armed Forces General Hospital, Taoyuan 325, Taiwan"},{"name":"Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wen-Chih","family":"Liu","sequence":"additional","affiliation":[{"name":"Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan"},{"name":"Division of Nephrology, Department of Internal Medicine, Tungs\u2019 Taichung MetroHarbor Hospital, Taichung City 433, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0370-3951","authenticated-orcid":false,"given":"Cai-Mei","family":"Zheng","sequence":"additional","affiliation":[{"name":"Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan"},{"name":"Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11103, Taiwan"},{"name":"Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, New Taipei City 235, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi-Chou","family":"Hou","sequence":"additional","affiliation":[{"name":"Division of Nephrology, Department of Medicine, Cardinal-Tien Hospital, School of Medicine, Fu Jen Catholic University, New Taipei City 23155, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7861-5054","authenticated-orcid":false,"given":"Yuh-Feng","family":"Lin","sequence":"additional","affiliation":[{"name":"Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan"},{"name":"Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11103, Taiwan"},{"name":"Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, New Taipei City 235, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kuo-Cheng","family":"Lu","sequence":"additional","affiliation":[{"name":"Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan"},{"name":"Division of Nephrology, Department of Medicine, Fu Jen Catholic University Hospital, School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2018,8,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"739","DOI":"10.1016\/j.devcel.2005.03.016","article-title":"Wnt\/beta-catenin signaling in mesenchymal progenitors controls osteoblast and chondrocyte differentiation during vertebrate skeletogenesis","volume":"8","author":"Day","year":"2005","journal-title":"Dev. 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