PRKCG and cerebellar ataxia: Previous studies predominantly focused on their roles in the nervous system, including neurotransmitter release, cell proliferation, and differentiation.[20, 43] Increased Prkcg expression has been associated with mechanical allodynia after nerve injury,[44] and spinocerebellar ataxia.[45] Furthermore, Prkcg is involved in tumor regulation and growth.[46] Prkcg has been previously suggested to be specifically expressed in the nervous system.[14, 47] However, we confirmed its presence in NPCs at mRNA and protein levels, where it exerts a critical function.