Dasatinib: SFK inhibitorCetuximab: EGF inhibitorFOLFOX (5-FU + Leucovorin + Oxaliplatin)5-FU: Thymidylate synthase inhibitorOxaliplatin: DNA alkylating agentLeucovorin: Folate analogCondition: Metastatic colorectal cancer. The gene discussed is TYMS; the disease is colorectal cancer.