{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T13:54:27Z","timestamp":1781272467978,"version":"3.54.1"},"reference-count":49,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2015,8,1]],"date-time":"2015-08-01T00:00:00Z","timestamp":1438387200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Rejuvenation Research"],"published-print":{"date-parts":[[2015,8]]},"abstract":"<jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>It is known that bone healing is delayed in the presence of osteoporosis in humans. However, due to the complexities of the healing of osteoporotic fractures, animal models may be more appropriate for studying the effects of osteoporosis in more detail and for testing drugs on the fracture repair process. The purpose of this study was to investigate the influence of ovariectomy-induced osteopenia in bone healing in an open femoral osteotomy model, and to test the feasibility of this model for evaluating the healing process under osteopenic conditions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Ovariectomized (OVX) mouse models were employed to assess the effects of osteopenia on fracture healing, A mid-shaft femur osteotomy model was also established 3 weeks after ovariectomy as an osteopenic fracture group (OVX group). Femurs were then harvested at 2 weeks and 6 weeks after fracture for X-ray radiography, micro-computed tomography (micro-CT), histology, and biomechanical analysis. A sham-operated group (sham group) was used for comparison.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      The OVX mice had significantly lower bone volume density (BVF), volumetric bone mineral density (vBMD), and tissue mineral density (TMD) in the fracture calluses at 6 weeks (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      &lt;0.05), and similar trend was observed in 2 weeks. Additionally, larger calluses in OVX animals were observed via micro-CT and X-ray, but these did not result in better healing outcomes, as determined by biomechanical test at 6 weeks. Histological images of the healing fractures in the OVX mice found hastening of broken end resorption and delay of hard callus remodeling. The impaired biomechanical measurements in the OVX group (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      &lt;0.05) were consistent with micro-CT measurements and radiographic scoring, which also indicated delay in fracture healing of the OVX group.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>This study provided evidence that ovariectomy-induced osteopenia impair the middle and late bone healing process. These data also supported the validity of the mouse femoral osteotomy model in evaluating the process of bone healing under osteopenic conditions.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/rej.2015.1682","type":"journal-article","created":{"date-parts":[[2015,2,19]],"date-time":"2015-02-19T05:51:51Z","timestamp":1424325111000},"page":"356-365","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":20,"title":["Ovariectomy-Induced Osteopenia Influences the Middle and Late Periods of Bone Healing in a Mouse Femoral Osteotomy Model"],"prefix":"10.1177","volume":"18","author":[{"given":"Jian","family":"Pang","sequence":"first","affiliation":[{"name":"Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine","place":["China"]},{"name":"Institute of Traumatology and Orthopaedics","place":["China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meina","family":"Ye","sequence":"additional","affiliation":[{"name":"Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine","place":["China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinfeng","family":"Gu","sequence":"additional","affiliation":[{"name":"Institute of Traumatology and Orthopaedics","place":["China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuelong","family":"Cao","sequence":"additional","affiliation":[{"name":"Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine","place":["China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuxin","family":"Zheng","sequence":"additional","affiliation":[{"name":"Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine","place":["China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hailing","family":"Guo","sequence":"additional","affiliation":[{"name":"Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine","place":["China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongfang","family":"Zhao","sequence":"additional","affiliation":[{"name":"Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine","place":["China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongsheng","family":"Zhan","sequence":"additional","affiliation":[{"name":"Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine","place":["China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yinyu","family":"Shi","sequence":"additional","affiliation":[{"name":"Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine","place":["China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2015,8]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199810001-00003"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1369\/jhc.6A6959.2006"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.injury.2011.03.031"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.60B2.350882"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinthera.2004.12.020"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.88B10.17683"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.orthres.2005.03.004"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.F.00484"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1620\/tjem.221.61"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1111\/clr.12162"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.2215\/CJN.00330112"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1111\/cid.12064"},{"key":"e_1_3_3_14_2","first-page":"111","article-title":"Osteoporosis influences the middle and late periods of fracture healing in a rat osteoporotic model","volume":"8","author":"Wang JW","year":"2005","unstructured":"Wang JW, , Li W, , Xu SW, , Yang DS, , Wang Y, , Lin M, , Zhao GF. 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