MT-ND1 and osteosarcoma: Osteosarcoma 143B cybrids were generated from a negative control without any pathologic mutation (Genbank: OQ803246, Oc), a positive control containing the m.3460G > A LHON pathologic mutation in MT-ND1 (GenBank: JX401416, O3460), and the patient (GenBank: OQ803247, O3734).