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Extracellular matrix scaffold and hydrogel derived from decellularized and delipidized human pancreas
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Extracellular matrix scaffold and hydrogel derived from decellularized and delipidized human pancreas
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Journal Article
Extracellular matrix scaffold and hydrogel derived from decellularized and delipidized human pancreas
2018
Overview
Extracellular matrix (ECM) plays an important developmental role by regulating cell behaviour through structural and biochemical stimulation. Tissue-specific ECM, attained through decellularization, has been proposed in several strategies for tissue and organ replacement. Decellularization of animal pancreata has been reported, but the same methods applied to human pancreas are less effective due to higher lipid content. Moreover, ECM-derived hydrogels can be obtained from many decellularized tissues, but methods have not been reported to obtain human pancreas-derived hydrogel. Using novel decellularization methods with human pancreas we produced an acellular, 3D biological scaffold (hP-ECM) and hydrogel (hP-HG) amenable to tissue culture, transplantation and proteomic applications. The inclusion of a homogenization step in the decellularization protocol significantly improved lipid removal and gelation capability of the resulting ECM, which was capable of gelation at 37 °C
in vitro
and
in vivo
, and is cytocompatible with a variety of cell types and islet-like tissues
in vitro
. Overall, this study demonstrates the characterisation of a novel protocol for the decellularization and delipidization of human pancreatic tissue for the production of acellular ECM and ECM hydrogel suitable for cell culture and transplantation applications. We also report a list of 120 proteins present within the human pancreatic matrisome.
Publisher
Nature Publishing Group UK,Nature Publishing Group
Subject
/ 13
/ 13/100
/ 13/107
/ 13/51
/ 14/35
/ 14/63
/ 64/60
/ 82/29
/ 96/106
/ 96/2
/ Animals
/ Extracellular Matrix - chemistry
/ Gelation
/ Humanities and Social Sciences
/ Humans
/ Hydrogels - chemical synthesis
/ Lipids - isolation & purification
/ Pancreas
/ Science
/ Tissue Engineering - methods
/ Tissue Scaffolds - chemistry
/ Tissues
