Human CXCL9 (MIG, Monokine induced by gamma interferon) is a 103 amino acid CXC chemokine with a highly basic C-terminal extension. CXCL9 primarily binds to the CXCR3 receptor, recruiting and activating Th1 lymphocytes and NK cells to sites of inflammation, playing a key role in immune responses, particularly in Th1-mediated immunity, tumor suppression, and anti-angiogenesis. It is implicated in autoimmune diseases and cancer, making it a vital target for immunological research. CXCL9 also binds the receptor
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