Caspase-2/ICH-1 is related to the C. elegans cell death gene product CED-3 and its mammalian homologue interleukin-1β-converting enzyme (ICE). Caspase-2 /ICH-1 was identified from a mouse cDNA library and originally termed NEDD-2. The NEDD-2 mRNA was found to be expressed during early mouse embryonic brain development and subsequently down-regulated in adult neuronal tissue. With the identification of the human NEDD-2 gene, the murine gene was renamed Ich-1 to symbolize Ice and ced-3 homology. Caspase-2/ICH-1 mRNA is alternatively spliced. The larger mRNA species encoding a product of 435 amino acids is known as Caspase-2 long, or ICH-1L. The smaller mRNA species encoding a protein of 312 amino acids is named Caspase-2 short, or ICH-1S. Overexpression of ICH-1L induces apoptosis, while over-expression of Ich-1S suppresses Rat-1 cell death induced by serum deprivation. Thus, it appears that Caspase-2/ICH-1 plays an important dual role in programmed cell death.
Immunofluorescence, Western Blotting
|Human ICH-1L aa. 225-401|
|Aqueous buffered solution containing BSA, glycerol, and ≤0.09% sodium azide.|
|Store undiluted at -20°C.|
For Research Use Only.
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