Caspase-1, also known as IL-1 beta -Converting Enzyme (ICE), is an aspartic protease that plays a key role in the inflammatory response and apoptosis. Caspase-1 precursor (about 50kDa) can be cleaved and the active enzyme consists of a complex of two 20 kDa (aa 120-297) and two 10 kDa (aa 317-404) subunits which associate following cleavage of inactive precursors. Caspase-1 is required for proteolytic cleavage of the IL-1 beta precursor to form the active proinflammatory cytokine. Alternate splicing generates several additional Caspase-1 isoforms with deletions in the propeptide regions or also in the mature subunits. Within the large subunit, human Caspase 1 shares 61% aa sequence identity with mouse and rat Caspase-1.
Key Product Details
Validated by
Species Reactivity
Applications
Label
Antibody Source
Product Specifications
Immunogen
Asn120-Asp297
Accession # P29466
Specificity
Clonality
Host
Isotype
Scientific Data Images for Human Caspase‑1 Antibody
Detection of Human Caspase‑1 by Western Blot.
Western blot shows lysates of THP-1 human acute monocytic leukemia cell line and A431 human epithelial carcinoma cell line. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human Caspase-1 Monoclonal Antibody (Catalog # MAB62151) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for Caspase-1 at approximately 48 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.Detection of Human Caspase‑1 by Simple WesternTM.
Simple Western lane view shows lysates of A431 human epithelial carcinoma cell line, loaded at 0.2 mg/mL. A specific band was detected for Caspase‑1 at approximately 52 kDa (as indicated) using 20 µg/mL of Mouse Anti-Human Caspase‑1 Monoclonal Antibody (Catalog # MAB62151). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.Human Caspase‑1 ELISA Standard Curve.
Recombinant Human Caspase‑1 protein was serially diluted 2-fold and captured by Mouse Anti-Human Caspase‑1 Monoclonal Antibody (Catalog # MAB62151) coated on a Clear Polystyrene (DY990) Microplate. Mouse Anti-Human Caspase‑1 Monoclonal Antibody (MAB62153) was biotinylated and incubated with the protein captured on the plate. Detection of the standard curve was achieved by incubating Streptavidin-HRP (DY998) followed by Substrate Solution (DY999) and stopping the enzymatic reaction with Stop Solution (DY994).Western Blot Shows Human Caspase‑1 Specificity by Using Knockout Cell Line.
Western blot shows lysates of A431 human epithelial carcinoma parental cell line and Caspase-1 knockout A431 cell line (KO). PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human Caspase-1 Monoclonal Antibody (Catalog # MAB62151) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for Caspase-1 at approximately 48 kDa (as indicated) in the parental A431 cell line, but is not detectable in knockout A431 cell line. GAPDH (Catalog # 2275-PC-100) is shown as a loading control. This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.Applications for Human Caspase‑1 Antibody
ELISA
This antibody functions as an ELISA capture antibody when paired with Mouse Anti-Human Caspase‑1 Monoclonal Antibody (Catalog # MAB62153).
This product is intended for assay development on various assay platforms requiring antibody pairs. We recommend the Human Caspase-1/ICE Quantikine ELISA Kit (Catalog # DCA100) for a complete optimized ELISA.
Knockout Validated
Simple Western
Sample: A431 human epithelial carcinoma cell line
Western Blot
Sample: THP‑1 human acute monocytic leukemia cell line and A431 human epithelial carcinoma cell line
Formulation, Preparation, and Storage
Purification
Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
Formulation
Shipping
Stability & Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: Caspase-1
Additional Caspase-1 Products
Product Documents for Human Caspase‑1 Antibody
Certificate of Analysis
To download a Certificate of Analysis, please enter a lot or batch number in the search box below.
Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Caspase‑1 Antibody
For research use only
Related Research Areas
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- ELISA Sample Preparation & Collection Guide
- ELISA Troubleshooting Guide
- How to Run an R&D Systems DuoSet ELISA
- How to Run an R&D Systems Quantikine ELISA
- How to Run an R&D Systems Quantikine™ QuicKit™ ELISA
- Quantikine HS ELISA Kit Assay Principle, Alkaline Phosphatase
- Quantikine HS ELISA Kit Principle, Streptavidin-HRP Polymer
- R&D Systems Quality Control Western Blot Protocol
- Sandwich ELISA (Colorimetric) – Biotin/Streptavidin Detection Protocol
- Sandwich ELISA (Colorimetric) – Direct Detection Protocol
- Troubleshooting Guide: ELISA
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars