Decellularized Caprine liver extracellular matrix as a 2D substrate coating and 3D hydrogel platform for vascularized liver tissue engineering

Agarwal, Tarun and Narayan, Rajan and Maji, Somnath and Ghosh, Sudip Kumar and Maiti, Tapas Kumar (2017) Decellularized Caprine liver extracellular matrix as a 2D substrate coating and 3D hydrogel platform for vascularized liver tissue engineering. Journal of Tissue Engineering and Regenerative Medicine. ISSN 1932-6254 (In Press)

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Abstract

Development of a vascularized liver tissue construct is a need of an hour to circumvent the current demand of liver transplantation in healthcare sector. An appropriate matrix must support liver cell viability, functionality, and development of microvasculature. With this perspective, here, we report the use of decellularized Caprine liver ECM (CLECM) derived hydrogel for tissue engineering applications. First, CLECM was used as a substrate coating material for 2D hepatocyte culture. HepG2 cells cultured on CLECM coated surface showed higher albumin, urea, glycogen and GAGs synthesis in comparison to collagen coated surface (taken as control for the study). Thereafter, the cells were encapsulated in CLECM hydrogels for 3D culture. In CLECM hydrogels, HepG2 cells showed highly differentiated and polarized phenotype with the appearance of bile canaliculi-like structures and enhanced expression of mature hepatocyte markers. We further showed that CLECM hydrogels also supported the development of microvasculature in vitro, thus making it a suitable candidate for development of a pre-vascularized liver tissue construct. In conclusion, we proved the superiority of CLECM over collagen for 2D/3D human hepatocyte and endothelial cell culture. CLECM could serve as an efficient biomaterial platform in the development of a liver tissue construct for application in tissue engineering.

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IITH Creators:
IITH CreatorsORCiD
Maji, Somnathhttp://orcid.org/0000-0001-6047-1339
Item Type: Article
Uncontrolled Keywords: Liver tissue engineering; Caprine decellularized extracellular matrix; Coating material; Hydrogels; Vascularization; Co-culture
Subjects: Biomedical Engineering > Tissue engineering
Chemistry
Divisions: Department of Chemistry
Depositing User: Team Library
Date Deposited: 25 Oct 2017 05:09
Last Modified: 25 Oct 2017 05:14
URI: http://raiithold.iith.ac.in/id/eprint/3633
Publisher URL: https://doi.org/10.1002/term.2594
OA policy: http://www.sherpa.ac.uk/romeo/issn/1932-6254/
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