Determination of Significance:
Caspase is a family of proteases involved in the process of apoptosis, including more than 10 members. Caspase-1 is the only caspase that can cleave IL-1b and IL-18 precursors to produce active cytokines. Caspase-1 regulates apoptosis by cleaving BCL XL, and regulates cytokine mediated immune-inflammatory response by cleaving cytokine precursors.
Measurement Principle:
The caspase-1 colorimetric assay is based on the hydrolysis of the peptide substrate Tyr-Val-Ala-Asp-p-nitroanilide (YVAD-pNA) by caspase-1, resulting in the release of the p-nitroaniline (pNA) moiety. p-Nitroaniline has a high absorbance at 405 nm. The activity of Caspase can be calculated by detecting pNA. This kit is suitable for mammalian tissue and cell.
Self Provided:
Spectrophotometer/Microplate reader, 100μL cuvette/ 96-well plate, centrifuge, water bath / incubator, adjustable pipette, mortar / homogenizer, ice and distilled water
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