World Library  
Flag as Inappropriate
Email this Article

Caspase 1

Article Id: WHEBN0005574266
Reproduction Date:

Title: Caspase 1  
Author: World Heritage Encyclopedia
Language: English
Subject: IL1B, Inflammasome, Ice (disambiguation), EC 3.4.22, Ficain
Collection:
Publisher: World Heritage Encyclopedia
Publication
Date:
 

Caspase 1

Caspase 1, apoptosis-related cysteine peptidase
PDB rendering based on 1bmq.
Available structures
PDB Ortholog search: PDBe, RCSB
Identifiers
Symbols  ; ICE; IL1BC; P45
External IDs ChEMBL: GeneCards:
EC number
Orthologs
Species Human Mouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)
RefSeq (protein)
Location (UCSC)
PubMed search

Caspase 1/Interleukin-1 converting enzyme is an enzyme that proteolytically cleaves other proteins, such as the precursor forms of the inflammatory cytokines interleukin 1β and interleukin 18, into active mature peptides.[1][2][3]

Contents

  • Structure 1
  • Function 2
  • Interactions 3
  • See also 4
  • References 5
  • External links 6

Structure

Caspase 1 is produced as a zymogen that is cleaved into 20 kDa (p20) and 10 kDa (p10) subunits that become part of the active enzyme. Active caspase 1 contains two heterodimers of p20 and p10. It interacts with another CARD domain containing protein called PYCARD (or ASC) and is involved in inflammasome formation and activation of inflammatory processes.[4]

Function

Caspase 1 has been shown to induce cell necrosis or pyroptosis and may function in various developmental stages. Studies of a similar protein in mouse suggest a role in the pathogenesis of Huntington's disease. Alternative splicing of the gene results in five transcript variants encoding distinct isoforms.[5] Recent studies implicated caspase 1 in promoting CD4 T-cell death and inflammation by HIV, two signature events that fuel HIV disease progression to AIDS.[6][7]

Interactions

Caspase 1 has been shown to interact with NLRC4.[8][9]

See also

References

  1. ^ Thornberry NA, Bull HG, Calaycay JR, Chapman KT, Howard AD, Kostura MJ, Miller DK, Molineaux SM, Weidner JR, Aunins J (1992). "A novel heterodimeric cysteine protease is required for interleukin-1 beta processing in monocytes". Nature 356 (6372): 768–74.  
  2. ^ Cerretti DP, Kozlosky CJ, Mosley B, Nelson N, Van Ness K, Greenstreet TA, March CJ, Kronheim SR, Druck T, Cannizzaro LA (1992). "Molecular cloning of the interleukin-1 beta converting enzyme". Science 256 (5053): 97–100.  
  3. ^ Black RA, Kronheim SR, Merriam JE, March CJ, Hopp TP (1989). "A pre-aspartate-specific protease from human leukocytes that cleaves pro-interleukin-1 beta". J. Biol. Chem. 264 (10): 5323–6.  
  4. ^ Mariathasan S, Newton K, Monack DM, Vucic D, French DM, Lee WP, Roose-Girma M, Erickson S, Dixit VM (2004). "Differential activation of the inflammasome by caspase-1 adaptors ASC and Ipaf". Nature 430 (6996): 213–8.  
  5. ^ "Entrez Gene: CASP1 caspase 1, apoptosis-related cysteine peptidase (interleukin 1, beta, convertase)". 
  6. ^ Doitsh G, Galloway NL, Geng X, Yang Z, Monroe KM, Zepeda O, Hunt PW, Hatano H, Sowinski S, Muñoz-Arias I, Greene WC (2014). "Cell death by pyroptosis drives CD4 T-cell depletion in HIV-1 infection". Nature 505 (7484): 509–14.  
  7. ^ Monroe KM, Yang Z, Johnson JR, Geng X, Doitsh G, Krogan NJ, Greene WC (2014). "IFI16 DNA sensor is required for death of lymphoid CD4 T cells abortively infected with HIV". Science 343 (6169): 428–32.  
  8. ^ Damiano JS, Oliveira V, Welsh K, Reed JC (2004). "Heterotypic interactions among NACHT domains: implications for regulation of innate immune responses". Biochem. J. 381 (Pt 1): 213–9.  
  9. ^ Damiano JS, Stehlik C, Pio F, Godzik A, Reed JC (2001). "CLAN, a novel human CED-4-like gene". Genomics 75 (1-3): 77–83.  

External links

  • The MEROPS online database for peptidases and their inhibitors: C14.001


This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
 
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
 
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.
 


Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.