Fig. 2From: Progress and emerging techniques for biomaterial-based derivation of mesenchymal stem cells (MSCs) from pluripotent stem cells (PSCs)Sources and heterogeneities of MSCs. Heterogeneity in MSCs can be classified into different levels: donor-to-donor inconsistencies, tissue-dependent variations, and the presence of sub-populations. Due to these variations, the therapeutic potentials of MSC are hindered, which encouraged scientists to shift their focus towards the development of a new source of MSCs.Back to article page