MFN2 and cancer: Consistent with our present findings of MIEF2 in OC, increased expressions of mitochondrial dynamic proteins such as DRP1 (dynamin related protein 1), mitofusin 1 (MFN1) and mitofusin 2 (MFN2) have also been reported in human cancers of liver [16], lung [21, 34], colon [35] and breast [19].