
Keywords: Heavy metal; Apoptosis; Neurodegeneration; Acetylcholinesterase; Seleno-protein; H2S; Hydrogen sulfide; MeHg; methylmercury; AChE; acetylcholinesterase; GPx; Glutathione peroxidases; TrxR; thioredoxin reductases; GSH; glutathione; TUNEL; Terminal-deoxynuc