NDUFB6 and neoplasm: The post-chemotherapy paclitaxel-resistant specimen acquired the nearly homoplasmic disruptive m.10875T>C/MT-ND4 mutation and showed an oncocytic phenotype [57], resulting in a more quiescent, non-invasive, and low-proliferative neoplasm and reflecting again the oncojanus nature of mtDNA mutations in CI genes.