{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T14:37:52Z","timestamp":1787755072117,"version":"build-2784847793"},"reference-count":40,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Bone and Joint Surgery"],"published-print":{"date-parts":[[2017,5,17]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Rotator cuff tears are a common source of pain and disability, and poor healing after repair leads to high retear rates. Bone loss in the humeral head before and after repair has been associated with poor healing. The purpose of the current study was to mitigate bone loss near the repaired cuff and improve healing outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Sclerostin antibody (Scl-Ab) treatment, previously shown to increase bone formation and strength in the setting of osteoporosis, was used in the current study to address bone loss and enhance rotator cuff healing in an animal model. Scl-Ab was administered subcutaneously at the time of rotator cuff repair and every 2 weeks until the animals were sacrificed. The effect of Scl-Ab treatment was evaluated after 2, 4, and 8 weeks of healing, using bone morphometric analysis, biomechanical evaluation, histological analysis, and gene expression outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Injury and repair led to a reduction in bone mineral density after 2 and 4 weeks of healing in the control and Scl-Ab treatment groups. After 8 weeks of healing, animals receiving Scl-Ab treatment had 30% greater bone mineral density than the controls. A decrease in biomechanical properties was observed in both groups after 4 weeks of healing compared with healthy tendon-to-bone attachments. After 8 weeks of healing, Scl-Ab-treated animals had improved strength (38%) and stiffness (43%) compared with control animals. Histological assessment showed that Scl-Ab promoted better integration of tendon and bone by 8 weeks of healing. Scl-Ab had significant effects on gene expression in bone, indicative of enhanced bone formation, and no effect on the expression of genes in tendon.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>This study provides evidence that Scl-Ab treatment improves tendon-to-bone healing at the rotator cuff by increasing attachment-site bone mineral density, leading to improved biomechanical properties.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Relevance:<\/jats:title>\n                    <jats:p>Scl-Ab treatment may improve outcomes after rotator cuff repair.<\/jats:p>\n                  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