Pancreatic polypeptide (PP) cells, which secrete PP encoded by the Ppy gene, is a minor population of endocrine cells in the pancreas. At present, little is known about the characteristics of Ppy-expr
Mesenchymal stem cells (MSCs) are multipotent cells capable of differentiating into dopaminergic (DAergic) neurons, which is one of the major cell types damaged in Parkinson’s disease (PD). For this r