SERPINB1
Lua error in Module:Infobox_gene at line 53: attempt to index field 'wikibase' (a nil value). Leukocyte elastase inhibitor (LEI) also known as serpin B1 is a protein that in humans is encoded by the SERPINB1 gene. It is a member of the clade B serpins or ov-serpins (ovalbumin related serpins) founded by ovalbumin.[1][2][3]
MNEI (monocyte/neutrophil elastase inhibitor) is the mouse orthologue of human SerpinB1.[3]
Function
[edit | edit source]SerpinB1 is a cytoplasmic serine protease inhibitor of polymorphonuclear neutrophils. Among other serine proteases, it specifically inhibits neutrophil elastase, PR3 and cathepsin G, all found in neutrophil granules, by a suicide inhibition mechanism. SerpinB1 was found to reduce tissue damage caused by the mentioned proteases during inflammation and has a role in neutrophil homeostasis in mice. In various infection models (e.g. pneumonia) correlation of SerpinB1 absence and lack of microbial clearance have been shown. Different knockout strains serve as model to investigate the role of SerpinB1 in vivo.[4][5][6]
See also
[edit | edit source]References
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Further reading
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External links
[edit | edit source]- The MEROPS online database for peptidases and their inhibitors: I04.006[permanent dead link]
- SERPINB1+protein,+human at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
This article incorporates text from the United States National Library of Medicine, which is in the public domain.
