Decellularized Cell Culture ECMs Act as Cell Differentiation Inducers.

Decellularized tissues and organs have aroused considerable interest for developing functional bio-scaffolds as natural templates in tissue engineering applications. More recently, the use of natural extracellular matrix (ECM) extracted from the in vitro cell cultures for cellular applications have come into question. It is well known that the microenvironment largely defines cellular properties. Thus, we have anticipated that the ECMs of the cells with different potency levels should likely possess different effects on cell cultures. To test this, we have comparatively evaluated the differentiative effects of ECMs derived from the cultures of human somatic dermal fibroblasts, human multipotent bone marrow mesenchymal stem cells, and human induced pluripotent stem cells on somatic dermal fibroblasts. Although challenges remain, the data suggest that the use of cell culture-based extracellular matrices perhaps may be considered as an alternative approach for the differentiation of even somatic cells into other cell types.