IAP1 (cIAP1, encoded by the gene BIRC2) is a member of the Inhibitor of Apoptosis (IAP) protein family.
• IAP proteins generally function by binding and inhibiting components of the cell death machinery, thereby promoting cell survival.
• Beyond their role in directly suppressing apoptosis, IAP proteins (including IAP1) are involved in regulating other signaling pathways—such as NF-κB—that can influence inflammation, immune responses, and cellular proliferation.
Overexpression of IAP proteins, including IAP1, has been observed in various tumor types.
– High IAP1 levels can help tumor cells evade apoptosis (programmed cell death), contributing to tumor growth and progression.
• IAP1 may also influence the tumor microenvironment by modulating pro-survival and inflammatory signals.
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