Caspase-1 Antibody (661228) [Unconjugated]


Western blot shows lysates of A431 human epithelial carcinoma cell line, NIH‑3T3 mouse embryonic fibroblast cell line, and Rat‑2 rat embryonic fibroblast cell line. PVDF membrane was probed with 0.1 µg/mL of Mouse more
Caspase‑1 was detected in immersion fixed THP‑1 human acute monocytic leukemia cell line using Mouse Anti-Human Caspase‑1 Monoclonal Antibody (Catalog # MAB6215) at 15 µg/mL for 3 hours at room temperature. Cells more

Product Details

Reactivity HuSpecies Glossary
Applications WB, ICC/IF

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Caspase-1 Antibody (661228) [Unconjugated] Summary

E.coli-derived recombinant human Caspase-1
Accession # P29466
Detects human Caspase-1 in direct ELISAs and Western blots.
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.


  • Western Blot 0.1 ug/mL
  • Immunocytochemistry 8-25 ug/mL
Caspase-1 Lysate (NBP2-66281)
Read Publications using
MAB6215 in the following applications:

Packaging, Storage & Formulations

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
No Preservative
Reconstitution Instructions
Sterile PBS to a final concentration of 0.5 mg/mL.


This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Caspase-1 Antibody (661228) [Unconjugated]

  • CASP1
  • CASP-1
  • caspase 1, apoptosis-related cysteine peptidase (interleukin 1, beta
  • caspase 1, apoptosis-related cysteine protease (interleukin 1, beta
  • Caspase1
  • Caspase-1
  • EC 3.4.22
  • EC
  • ICE
  • ICEP45
  • IL-1 beta-converting enzyme
  • IL1BC CASP1 nirs variant 1
  • IL-1BC
  • IL1BCE
  • IL1B-convertase
  • interleukin 1-B converting enzyme
  • interleukin 1-beta convertase
  • Interleukin-1 beta convertase
  • Interleukin-1 beta-converting enzyme
  • p45


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.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for Caspase-1 Antibody (MAB6215)(9)

We have publications tested in 3 confirmed species: Human, Mouse, Rat.

We have publications tested in 3 applications: IHC - Paraffin embedded, IP, WB.

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IHC - Paraffin embedded
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Showing Publications 1 - 9 of 9.
Publications using MAB6215 Applications Species
S Pires, D Parker IL-1? activation in response to Staphylococcus aureus lung infection requires inflammasome-dependent and independent mechanisms Eur. J. Immunol., 2018;0(0):. 2018 [PMID: 30051912] (WB,, Mouse) WB Mouse
SEJ Chambers, CL O'Neill, J Guduric-Fu, KJ McLoughlin, A Liew, AM Egan, T O'Brien, AW Stitt, RJ Medina The Vasoreparative Function of Myeloid Angiogenic Cells Is Impaired in Diabetes Through the Induction of IL1? Stem Cells, 2018;36(6):834-843. 2018 [PMID: 29484768] (WB,, Human) WB Human
JS Bednash, N Weathingto, J Londino, M Rojas, DL Gulick, R Fort, S Han, AC McKelvey, BB Chen, RK Mallampall Targeting the deubiquitinase STAMBP inhibits NALP7 inflammasome activity Nat Commun, 2017;8(0):15203. 2017 [PMID: 28492230] (WB,, Human) WB Human
JS Bednash, N Weathingto, J Londino, M Rojas, DL Gulick, R Fort, S Han, AC McKelvey, BB Chen, RK Mallampall Targeting the deubiquitinase STAMBP inhibits NALP7 inflammasome activity Nat Commun, 2017;8(0):15203. 2017 [PMID: 28492230] (WB,, Human) WB Human
H Zhang, J Luo, JF Alcorn, K Chen, S Fan, J Pilewski, A Liu, W Chen, JK Kolls, J Wang AIM2 Inflammasome Is Critical for Influenza-Induced Lung Injury and Mortality J. Immunol., 2017;0(0):. 2017 [PMID: 28424239] (WB,, Mouse) WB Mouse
Nardhy Gomez-Lope HMGB1 Induces an Inflammatory Response in the Chorioamniotic Membranes That Is Partially Mediated by the Inflammasome Biol. Reprod., 2016;0(0):. 2016 [PMID: 27806943] (WB,, Human) WB Human
Shamaa O, Mitra S, Gavrilin M, Wewers M Monocyte Caspase-1 Is Released in a Stable, Active High Molecular Weight Complex Distinct from the Unstable Cell Lysate-Activated Caspase-1. PLoS ONE, 2015;10(11):e0142203. 2015 [PMID: 26599267] (IP,, Human) IP Human
Zhao T, Gao J, Van J, To E, Wang A, Cao S, Cui J, Guo J, Lee M, McGeer P, Matsubara J Age-related increases in amyloid beta and membrane attack complex: evidence of inflammasome activation in the rodent eye. J Neuroinflammation, 2015;12(0):121. 2015 [PMID: 26104676] (WB,, Rat) WB Rat
Qin M, Pirouz A, Kim M, Krutzik S, Garban H, Kim J Propionibacterium acnes Induces IL-1beta secretion via the NLRP3 inflammasome in human monocytes. J Invest Dermatol, 2014;134(2):381-8. 2014 [PMID: 23884315] (IHC - Paraffin embedded,, Human) IHC - Paraffin embedded Human

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Product General Protocols

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Video Protocols

WB Video Protocol

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Control Lysate(s)

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Blogs on Caspase-1.

The inflammasome: an inflammation-initiating machine, Novus Biologicals
By Stephanie Melchor The inflammasome is a large, multimeric protein complex found primarily in innate immune cells, which are white blood cells that can attack a wide range of pathogenic threats. Three main elements...  Read full blog post.

NLRP3/NALP3 - Sensing and responding to pathogen infection
The inflammasome is a multi protein complex that is an important component of the innate immune response. The inflammasome is able to sense and respond to pathogen infections by recognizing pathogen-associated molecular patterns and mediating the ...  Read full blog post.

Caspase 10 - an initiator caspase in the extrinsic death receptor pathway
Apoptosis, also called programmed cell death, is an essential process in development and disease. The signaling networks that carry out apoptosis is consists of a series of endoproteases called caspases which are synthesized as inactive zymogens....  Read full blog post.

Caspase 7 - A key effector of the apoptotic pathway
Caspase-7 is an effector caspase with important roles in mediating cell death signaling. As an effector caspase, caspase-7 is cleaved and activated by initiator caspases such as caspase-1 (1). Like other caspase family proteins, caspase-7 contains a...  Read full blog post.

Caspase 1 - activating innate immune responses following infection or injury
Caspase-1 is an enzyme involved in the conversion of interleukin-1 into its active secreted form. Interleukin-1 mediates inflammatory responses during infection and disease. Caspase-1 is recruited to and activated by the inflammasome complex (1). Un...  Read full blog post.

Caspase-4 - a human protease with roles in inflammation and immunity
Caspases are a family of cysteine-aspartic acid proteases that cleave caspase proenzymes as well as other protein substrates. Caspases are well known for their role in apoptosis, but they also play a significant role in other cellular processes inc...  Read full blog post.

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Gene Symbol CASP1