Other suppressors and oncogenes, such as KRAS, PTEN, PIK3CA, ARID1A, PPP2R1A PTEN, BCL2, MYC, BRAF, ERBB2, CTNNB1, and TGF-β have been involved in the tumorigenesis of ovarian carcinoma and chemotherapy resistance [76,77,78]. The gene discussed is ERBB2; the disease is ovarian carcinoma.