Neutrophil Elastase/ELA2 Antibody (950317) [Alexa Fluor® 647]

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THP-1 human acute monocytic leukemia cell line treated with 3 μM monensin for 3 hours was stained with Mouse Anti-Human Neutrophil Elastase/ELA2 Alexa Fluor® 647-conjugated Monoclonal Antibody (Catalog # ...read more

Product Details

Summary
Reactivity HuSpecies Glossary
Applications Flow
Clone
950317
Clonality
Monoclonal
Host
Mouse
Conjugate
Alexa Fluor 647

Neutrophil Elastase/ELA2 Antibody (950317) [Alexa Fluor® 647] Summary

Immunogen
Chinese hamster ovary cell line CHO-derived recombinant human ELA2
Met1-Asn252
Accession # P08246
Specificity
Detects human ELA2 in direct ELISAs and Western blots.
Source
N/A
Isotype
IgG1
Clonality
Monoclonal
Host
Mouse
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Intracellular Staining by Flow Cytometry 0.25-1 ug/10^6 cells

Packaging, Storage & Formulations

Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.
Buffer
Supplied in a saline solution containing BSA and Sodium Azide.
Reconstitution Instructions


Notes

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

Alternate Names for Neutrophil Elastase/ELA2 Antibody (950317) [Alexa Fluor® 647]

  • Bone marrow serine protease
  • EC 3.4.21
  • EC 3.4.21.37
  • ELA2
  • ELA2granulocyte-derived elastase
  • ELANE
  • elastase 2, neutrophil
  • elastase, neutrophil expressed
  • Elastase-2
  • GE
  • HLEelastase-2
  • HNE
  • Human leukocyte elastase
  • Leukocyte Elastase
  • Medullasin
  • NE
  • Neutrophil Elastase
  • PMN elastase
  • PMN-E
  • polymorphonuclear elastase
  • SCN1

Background

Neutrophil Elastase (ELA2, ELANE), also known as HNE, is a chymotrypsin family serine protease that plays a key role in pathogen clearance (1-3). It is expressed by promyelocytes and stored in the intracellular azurophilic granules of polymorphonuclear leukocytes (PMN) (4). These granules fuse with phagosomes, enabling Neutrophil Elastase to participate in the digestion and killing of endocytosed microbes. The enzyme is released by activated neutrophils at sites of inflammation, and it can remain associated with the cell surface or function as a component of neutrophil extracellular nets (NETs) which trap and kill microbial pathogens (5, 6). It also can degrade multiple extracellular matrix proteins including Elastin and Fibronectin (5). In the lung, this activity contributes to pathology in emphysema, cystic fibrosis, and adult respiratory distress syndrome (ARDS) (1). Neutrophil Elastase can be inhibited by Serpin A1/alpha 1-Antitrypsin, SLPI, Serpin B1, and
Trappin-2/Elafin (7-11). Its activity in the lung is increased by exposure to tobacco smoke which inactivates Serpin A1 through methionine oxidation (12). Mature human Neutrophil Elastase shares 73% amino acid sequence identity with mouse and rat Neutrophil Elastase (13, 14). Multiple mutations in the human ELANE gene are causative of severe congenital and cyclic neutropenias (15).
  1. Korkmaz, B. et al. (2010) Pharmacol. Rev. 62:726.
  2. Stein, R.L. et al. (1987) Biochemistry 26:1301.
  3. Bachovchin, W.W. (1986) Biochemistry 25:7751.
  4. Garwicz, D. et al. (2005) Haematologica 90:38.
  5. Owen, C.A. et al. (1995) J. Cell Biol. 131:775.
  6. Stephan, A. and M. Fabri (2015) Exp. Dermatol. 24:161.
  7. Carrell, R.W. et al. (1982) Nature 298:329.
  8. Rice, W.G. and S.J. Weiss (1990) Science 249:178.
  9. Thompson, R.C. et al. (1986) Proc. Natl. Acad. Sci. USA 83:6692.
  10. Cooley, J. et al. (2001) Biochemistry 40:15762.
  11. Wiedow, O. et al. (1990) J. Biol. Chem. 265:14791.
  12. Taggart, C. et al. (2000) J. Biol. Chem. 275:27258.
  13. Sinha, S. et al. (1987) Proc. Natl. Acad. Sci. USA 84:2228.
  14. Okano, K. et al. (1987) J. Biochem. 102:13.
  15. Makaryan, V. et al. (2015) Curr. Opin. Hematol. 22:3.

Limitations

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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Secondary Antibodies

 

Isotype Controls

Other Available Formats

Alexa Fluor 350 IC91671U
Alexa Fluor 405 IC91671V
Alexa Fluor 488 IC91671G
Alexa Fluor 594 IC91671T
Alexa Fluor 647 IC91671R
Alexa Fluor 700 IC91671N
Alexa Fluor 750 IC91671S

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