“…Transplantation of naïve human umbilical vein-derived dopaminergic-like cell in a rat model of PD did not improve motor dysfunction, and required administration of a neurotrophin, nerve growth factor, to induce substantial recovery (Li et al, 2010a). Lineage negative cells from umbilical cord blood efficiently gave rise to neuronal cells and oligodendrocytes in vitro (Chua et al, 2009) while lineage specific (cKit+) amniotic-derived SCs fail to acquire a dopaminergic phenotype after epigenetic stimuli both in vitro and in an animal model of PD (Donaldson et al, 2009). Concordantly, upon neuronal induction bone marrow-derived MSC downregulate markers of other lineages, but fail to differentiate into functional neurons (Thomas et al, 2011).…”