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Liver Int. 2013 Mar;33(3):448-58. doi: 10.1111/liv.12088. Epub 2013 Jan 10.

Evaluation of two decellularization methods in the development of a whole-organ decellularized rat liver scaffold.

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  • 1Department of Hepatobiliary Surgery, the Affiliated DrumTower Hospital of Nanjing University Medical School, Nanjing, China.



Hepatic tissue engineering is considered as a possible alternative to liver transplantation for end-stage liver disease. Several methods of decellularization of xenogeneic liver are available to produce three-dimensional organ scaffolds for engineering liver tissues. However, rare studies have examined and compared the effectiveness of different methods on the structure and composition of intact decellularized liver extracellular matrix.


Two decellularization methods were adopted herein. Their effects on collagen, elastin, glycosaminoglycans (GAGs), hepatocyte growth factor (HGF) content and influence to the function of hepatocytes cultured in scaffolds were examined and compared.


The complete tissue decellularization was successfully achieved after treatment with sodium dodecyl sulphate (SDS) and Triton X-100. The total absence of nuclear structures and removal of viable cells were confirmed by haematoxylin-eosin staining and scanning electron microscopy. Collagen was preserved after both treatments. However, the elastin content decreased to about 20% and 60%, the GAGs content decreased to about 10% and 50% and the HGF content decreased to about 20% and 60% of the native liver level after SDS and Triton X-100 treatment respectively. The Triton X-100-treated scaffolds were much superior than SDS-treated scaffolds in supporting liver-specific function, including albumin secretion (P = 0.001), urea synthesis (P = 0.002), ammonia elimination (P = 0.007) and mRNA expression levels of drug metabolism enzymes.


This study suggested that liver extracellular matrix scaffolds constructed using perfusion of Triton X-100 as described herein might provide a more effective and ideal material for the usage in tissue engineering and regenerative medicine approaches.

© 2012 John Wiley & Sons A/S.

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