Abstract

Programmed cell death is governed by a set of gene networks, which define a variety of distinct molecular mechanisms essential for the maintenance of multicellular organisms. The most studied modality of programmed cell death is known as apoptosis. Caspase-2, as a member of the family of the cysteine-dependent protease, demonstrates both proapoptotic and tumor suppressive functions. This protease plays an essential role in the maintenance of genomic stability and induces apoptotic cell death in response to geno-toxic stress. Here we discuss the molecular mechanisms of caspase-2 regulation and its physiological role as a tumor suppressor and metabolic regulator.

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