{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,9]],"date-time":"2025-11-09T07:35:15Z","timestamp":1762673715987},"reference-count":20,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2010,1,1]],"date-time":"2010-01-01T00:00:00Z","timestamp":1262304000000},"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":[[2010,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Osteopetrosis is a genetic disease characterized by defective osteoclasts. Autosomal recessive osteopetrosis is fatal within the first years of life. Hematopoietic stem cell transplantation (HSCT) cures fewer than 50% of cases but often leaves severe neurologic damages and other dysfunctions. Osteoclast appearance after HSCT is a slow process, during which disease progression continues. We hypothesize that a support osteoclast precursor therapy may contribute to improve the osteopetrotic phenotype. To this end, we established a procedure to obtain the best yield of osteoclast precursors from human peripheral blood or mouse bone marrow mononuclear cells. These cells were injected in vivo in animal models, testing different cell injection protocols, as well as in association with CD117+ stem cells. Injected cells showed the ability to form multinucleated osteoclasts and to improve the phenotype of oc\/oc osteopetrotic mice. In the best working protocol, animals presented with longer survival, improved weight and longitudinal growth, increased tibial length, tooth eruption, decreased bone volume, reduced bone marrow fibrosis, and improved hematopoiesis compared with sham-treated mice. These results provide first-hand information on the feasibility of a support osteoclast precursor therapy in osteopetrosis. \u00a9 2010 American Society for Bone and Mineral Research<\/jats:p>","DOI":"10.1359\/jbmr.090715","type":"journal-article","created":{"date-parts":[[2009,7,13]],"date-time":"2009-07-13T13:54:18Z","timestamp":1247493258000},"page":"106-113","source":"Crossref","is-referenced-by-count":11,"title":["Committed osteoclast precursors colonize the bone and improve the phenotype of a mouse model of autosomal recessive osteopetrosis"],"prefix":"10.1093","volume":"25","author":[{"given":"Alfredo","family":"Cappariello","sequence":"first","affiliation":[{"name":"Ospedale Pediatrico Bambino Ges\u00f9, Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anna Concetta","family":"Berardi","sequence":"additional","affiliation":[{"name":"Ospedale Pediatrico Bambino Ges\u00f9, Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Barbara","family":"Peruzzi","sequence":"additional","affiliation":[{"name":"Universit\u00e0 dell'Aquila, L'Aquila, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea","family":"Del Fattore","sequence":"additional","affiliation":[{"name":"Universit\u00e0 dell'Aquila, L'Aquila, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alberto","family":"Ugazio","sequence":"additional","affiliation":[{"name":"Ospedale Pediatrico Bambino Ges\u00f9, Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gian Franco","family":"Bottazzo","sequence":"additional","affiliation":[{"name":"Ospedale Pediatrico Bambino Ges\u00f9, Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anna","family":"Teti","sequence":"additional","affiliation":[{"name":"Universit\u00e0 dell'Aquila, L'Aquila, 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