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IFIT3, also known as IFIT4, IFI60, and RIGG, has been identified as a key element in the IFN-alpha anti-viral pathway. Additionally, IFIT3 binding negatively regulates the apoptotic effects of ISG54. IFIT3 is also a key target of STAT1, which is important in regulating IFN responses. One study has shown that expression of RIGG in a human monocytoma line led to growth arrest at the G1/S transition.
