作者
Sébastien Pigeot, Thibaut Klein, Fabiana Gullotta, Steven J Dupard, Alejandro Garcia Garcia, Andres García‐García, Sujeethkumar Prithiviraj, Pilar Lorenzo, Miriam Filippi, Claude Jaquiery, Loraine Kouba, M Adelaide Asnaghi, Deepak Bushan Raina, Boris Dasen, Hanna Isaksson, Patrik Önnerfjord, Magnus Tägil, Attilio Bondanza, Ivan Martin, Paul E Bourgine
发表日期
2021/10
期刊
Advanced Materials
卷号
33
期号
43
页码范围
2103737
简介
Design criteria for tissue‐engineered materials in regenerative medicine include robust biological effectiveness, off‐the‐shelf availability, and scalable manufacturing under standardized conditions. For bone repair, existing strategies rely on primary autologous cells, associated with unpredictable performance, limited availability and complex logistic. Here, a conceptual shift based on the manufacturing of devitalized human hypertrophic cartilage (HyC), as cell‐free material inducing bone formation by recapitulating the developmental process of endochondral ossification, is reported. The strategy relies on a customized human mesenchymal line expressing bone morphogenetic protein‐2 (BMP‐2), critically required for robust chondrogenesis and concomitant extracellular matrix (ECM) enrichment. Following apoptosis‐driven devitalization, lyophilization, and storage, the resulting off‐the‐shelf cartilage tissue …
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