CASP9 and myasthenia gravis: The mRNA expression levels of Cytochrome-C, p53, Bax, Caspase-8, Caspase-3 and Caspase-9 were significantly (p < 0.05) enhanced in the MG-infected group, while the anti-apoptotic gene Bcl-2 was significantly (p < 0.05) reduced in the MG-infected group compared to the control group.