PVALB and Parkinson disease: Selective pharmacological modulation of GDMF by striatal parvalbumin interneurons is a promising therapeutic strategy to stimulate endogenous production of GDNF in the striatum combat neuronal death in Parkinson’s disease (Hidalgo-Figueroa et al., 2012; Kumar et al., 2015; Enterría-Morales et al., 2020).