Abstract:
:Failure of bioengineered meniscus implant after transplantation is a major concern owing to mechanical failure, lack of chondrogenic capability and patient specific design. In this article, we have, for the first time, fabricated a 3D printed scaffold with carbohydrate based self-healing interpenetrating network (IPN) hydrogels-based monolith construct for load bearing meniscus tissue. 3D printed PLA scaffold was surface functionalized and embedded with self-healing IPN hydrogel for interfacial bonding further characterized by micro CT. Using collagen (C), alginate (A) and oxidized alginate (ADA), we developed self-healing IPN hydrogels with dual crosslinking (Ca2+ based ionic crosslinking and Schiff base (A-A, A-ADA)) capability and studied their physicochemical properties. Further, we studied human stem cells behaviour and chondrogenic differentiation potential within these IPN hydrogels. In-vivo heterotopic implantation confirmed biocompatibility of the monolith showing the feasibility of using carbohydrate based IPN hydrogel embedded in 3D printed scaffold for meniscal tissue development.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Gupta S,Sharma A,Vasantha Kumar J,Sharma V,Gupta PK,Verma RSdoi
10.1016/j.ijbiomac.2020.07.238subject
Has Abstractpub_date
2020-11-01 00:00:00pages
1358-1371eissn
0141-8130issn
1879-0003pii
S0141-8130(20)34000-9journal_volume
162pub_type
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