STAT4 and cancer: ↓ Cancer cell viability, ↑ major histocompatibility complex I (MHCI), ↑ interleukin-12 (IL-12), ↓ IL-10, ↑ STAT4, ↑ interferon-γ (IFN-γ), ↑ tumor necrosis factor-ɑ (TNF-ɑ)