{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T05:58:18Z","timestamp":1777787898247,"version":"3.51.4"},"reference-count":32,"publisher":"SAGE Publications","issue":"9","license":[{"start":{"date-parts":[[2023,3,7]],"date-time":"2023-03-07T00:00:00Z","timestamp":1678147200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100012476","name":"The Fundamental Research Funds for the Central University","doi-asserted-by":"publisher","award":["No.2021FZZX005-38"],"award-info":[{"award-number":["No.2021FZZX005-38"]}],"id":[{"id":"10.13039\/501100012476","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002858","name":"the Postdoctoral Science Foundation of China","doi-asserted-by":"crossref","award":["No.2021TQ0277"],"award-info":[{"award-number":["No.2021TQ0277"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Regenerative Innovation Program of AAIS-HGB, Peking University"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Biomater Appl"],"published-print":{"date-parts":[[2023,4]]},"abstract":"<jats:p>Using injectable hydrogels loaded with mesenchymal stem cells (MSCs) to repair chondral defects is a new trend of cartilage tissue engineering in recent years. In this study, hyaluronic acid (HA) hydrogels containing the system of sustained-release Kartogenin (KGN) and modified by RGD and HAV peptides were used to facilitate repair of cartilage defect in the knee joint of rabbits. Different groups of implants were injected into osteochondral defects, and samples were taken 4\u00a0weeks after operation. Through the qualitative and quantitative analysis of Micro-CT, it can be seen that both FH (unloaded cell group) and R + FH groups (allogeneic cell group) can repair osteochondral defects well, and the amount of bone formation is high, which is close to the intact cartilage groups. Macroscopic observation and histological staining analysis showed that except for the intact cartilage group, FH group obtained the highest score. The morphology of the cartilage tissue in the FH groups was more regular and continuous than that in R + FH and H + FH (xenogeneic cell group) groups, approaching that of native cartilage. Immunohistochemical staining of Collagen II (Col II) showed that the expression and morphology of Col II in FH groups were similar to those in intact cartilage tissue. Interestingly, through in vivo experiments, this functionalized hyaluronic acid hydrogel can effectively promote the rapid repair of rabbit knee cartilage defects within one month.<\/jats:p>","DOI":"10.1177\/08853282231157623","type":"journal-article","created":{"date-parts":[[2023,3,7]],"date-time":"2023-03-07T05:41:36Z","timestamp":1678167696000},"page":"1617-1625","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Application of functionalized hyaluronic acid hydrogel with the activity of regulating the behaviors of stem cells in repairing rabbit knee articular cartilage"],"prefix":"10.1177","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6843-4970","authenticated-orcid":false,"given":"Binhong","family":"Teng","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery\/Central Laboratory, School and Hospital of Stomatology, Peking University, Beijing, 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