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The induced pluripotent stem cells (iPSCs) are able to differentiate into dopaminergic neurons and execute the therapeutic effects for Parkinson's disease (PD). Here, we established a animal model of PD in Lanyu pigs by injecting 5 mg/kg of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine hydrochloride (MPTP). Next, the porcine iPSC-like cells (piPSC-like cells) were differentiated into D18 neuronal progenitors (D18 NPs) that were transplanted into the striatum to evaluate their therapeutic effects of PD. We showed that after 8 weeks of cell transplantation, the behavior score was significantly ameliorated and fully recovered at the 14th week of cell transplantation. The number of dopaminergic neurons was also significantly improved at the end of the experiment although the number was still about 50% lower than that in the control group. Our findings suggest that piPSC-like cell-derived D18 NPs exhibit a potential for the treatment of PD in the Lanyu pig model.

Dopaminergic neurons derived from porcine induced pluripotent stem cell like cells function in the Lanyu pig model of Parkinson's disease