BCL2 and Parkinson disease: Singh et al. found similar results that CGA significantly inhibited the activation of proapoptotic proteins including Bcl‐2 and caspase‐3 and elevation of anti‐apoptotic protein such as Bcl‐2 in the brain of 1‐methyl‐4‐phenyl‐1,2,3,6‐tetrahydopyridine (MPTP)‐induced mice model of Parkinson's disease (Singh et al., 2020).