After being initially hailed as the ultimate solution to end-stage organ failure, such as end-stage liver disease (ESLD), engineering of vascularized tissues has stalled because of the need for a well-structured circulatory system that can maintain the cells to be seeded inside the construct.In the field of regenerative medicine, decellularized scaffolds, derived mainly from various non-autologous whole organs, have become an emerging treatment technique to overcome this obstacle. As a result of significant progress made in recent years, organogenesis through whole-organ decellularization scaffolds may now become more feasible than ever before. In this chapter, we describe in detail the necessary steps for liver organogenesis using a decellularized acellular scaffold (DAS), seed cell isolation, and recellularization in a bioreactor-like culture system. This new technique to re-engineer organs may have major implications for the fields of drug discovery, organ transplantation, and ultimately regenerative medicine.
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