MERRF Syndrome 12STRNA 8344b Cyt b p tRNALys 16STRNA ND 6 MTTK兴 MERRE8344G ND 5 ND I 16569bp Q ND2 4o18344bp ND 4 ND AL COXI G ND3 COXIII coxⅡ ATPase8 □ ATPase8■ Complex1□tAs □ Cytochrome b口 Complex4 MIRNASMERRF Syndrome 8344bp tRNALys 8344 bp MTTK*MERRF8344G