Therefore, this system has been used as a mouse model of Parkinson's disease and, interestingly, these animals show a significant decrease in the survival and proliferation of neuroblast in the SVZ [ 8687 ]. Adult hippocampal neurogenesis in depression. Shetty AK, Hattiangady B. The astrocytes are the primary precursors for rapid cell amplification. FGFresponsive Brain stem cells in adults progenitors reside in proliferative and quiescent regions of the adult rodent brain.