BDNF and glaucoma: BDNF plays a role in a myriad of pathophysiologic pathways (TGF-β, MAP kinase, Rho kinase, JNK, PI-3/Akt, PTEN, Bcl-2, Caspase, Calcium-Calpain) and could serve as a promising candidate for devising therapies to enhance RGC survival in glaucoma (Chitranshi et al., 2018).