{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T23:25:47Z","timestamp":1792797947116,"version":"4.5.0"},"reference-count":38,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2024,11,11]],"date-time":"2024-11-11T00:00:00Z","timestamp":1731283200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"The Science and Technology Innovation Seedling Cultivation Program of Sichuan, China","award":["2022086"],"award-info":[{"award-number":["2022086"]}]},{"name":"The Research Fund Project of Chengdu Medical College of China and the Chengdu Pidu District People\u2019s Hospital of China","award":["2021LHPJ-06"],"award-info":[{"award-number":["2021LHPJ-06"]}]},{"name":"Taikang Health Investment Youth Medical Research Startup Fund Project","award":["2023017"],"award-info":[{"award-number":["2023017"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Biomater Appl"],"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:p>Due to the absence of blood vessels, cartilage exhibits extremely limited self-repair capacity. Currently, repairing laryngeal cartilage defects, resulting from conditions such as laryngeal tumors, injury, and congenital structural abnormalities, remains a significant challenge in the Department of Otolaryngology, Head and Neck Surgery. Previous research has often focused on enhancing the mechanical properties of synthetic materials. However, their low biological activity and weak cell adhesion necessitate compensatory measures. This study aims to capitalize on the advantages of natural materials in cartilage tissue engineering. Sodium alginate, gelatin, tannic acid, and calcium chloride were utilized to prepare bioinks through cross-linking for application in 3D printing cartilage scaffolds. Bone marrow mesenchymal stem cells with multidirectional differentiation potential were chosen as seed cells, with appropriate growth factors incorporated to promote their differentiation into cartilage during in vitro culture. The scaffold laden cells was subsequently implanted into rabbit thyroid cartilage plate defects at the appropriate time. HE staining, toluidine blue staining, Masson staining, and collagen type II staining were employed to assess cartilage defect repair at 4, 8, and 12 weeks, respectively. Results demonstrated that scaffolds made from natural materials could emulate the mechanical properties of fresh cartilage with commendable biocompatibility. Stained sections further confirmed the efficacy of the composite hydrogel scaffolds identified in this study in promoting rabbit thyroid cartilage plate restoration. In summary, this study successfully fabricated a natural material scaffold for rabbit laryngeal cartilage tissue engineering, thereby furnishing a new idea and experience for the clinical application of laryngeal cartilage defect reconstruction.<\/jats:p>","DOI":"10.1177\/08853282241300587","type":"journal-article","created":{"date-parts":[[2024,11,12]],"date-time":"2024-11-12T01:58:02Z","timestamp":1731376682000},"page":"891-907","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["3D printed sodium alginate\/gelatin\/tannic acid\/calcium chloride scaffolds laden bone marrow mesenchymal stem cells to repair defective thyroid cartilage plate"],"prefix":"10.1177","volume":"39","author":[{"given":"Jingzhi","family":"Li","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology Head and Neck Surgery, Sichuan Taikang Hospital, Chengdu, 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