Interferon gamma (IFN-γ) could also be an interesting treatment option targeting influencer proteins, and as an immunotherapeutic agent, it is under trial in colon cancer with combination of 5-fluoracil or leucovirin.37 We present a detailed example with IFN-γ and its receptor, IFN-γR below. The gene discussed is IFNG; the disease is malignant colon neoplasm.