Caspase‑2 is an initiator caspase that, unlike other apoptotic caspases, can also function in non‐apoptotic pathways including DNA damage responses.
Its unique position in guarding genomic integrity has led to studies examining its tumor-suppressive potential.
Caspase‑2 plays complex roles in cancer biology. Generally, decreased expression or altered isoform distribution of caspase‑2 has been associated with impaired apoptotic responses, genomic instability, and poorer prognosis in several cancer types.
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