Abstract
Caspase-2 has been shown to function in apoptosis and in some non-apoptotic pathways, including tumor suppression and aging. Caspase-2 has some unique features and is the only caspase that constitutively localizes to the nucleus, although its nuclear function remains unknown. During apoptosis signaling, caspase-2 rapidly homodimerizes, which leads to its activation and proteolytic processing. The activation of caspase-2 can be measured by assessing its dimerization and/or cleavage of the caspase-2 zymogen and its substrates. This chapter outlines commonly used methods to purify recombinant caspase-2 and assess its activity and function in vitro and in cultured cells or tissue extracts.
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Acknowledgments
The financial support of the National Health and Medical Research Council through project grants 1021456 and 1043057 is gratefully acknowledged. LD is supported by a South Australian Cancer Research Collaborative Fellowship and SK by an NHMRC Senior Principal Research Fellowship (1002863).
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Dorstyn, L., Kumar, S. (2014). Caspase-2 Protocols. In: V. Bozhkov, P., Salvesen, G. (eds) Caspases,Paracaspases, and Metacaspases. Methods in Molecular Biology, vol 1133. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-0357-3_4
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DOI: https://doi.org/10.1007/978-1-4939-0357-3_4
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