Date published: 2026-4-14

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Neutrophil Elastase Inhibitors

Neutrophil Elastase Inhibitors belong to a specific chemical class of compounds designed to target and inhibit the activity of Neutrophil Elastase (NE). NE is a serine protease enzyme primarily produced by neutrophils, a type of white blood cell. NE plays a crucial role in immune responses and inflammation by degrading extracellular matrix proteins, elastin fibers, and other components of the tissue microenvironment. While NE is essential for host defense and tissue remodeling, excessive or uncontrolled NE activity can contribute to tissue damage and inflammatory disorders. Neutrophil Elastase Inhibitors work by specifically targeting the NE enzyme, interfering with its ability to cleave and degrade substrates. By doing so, these inhibitors may modulate the proteolytic activity of NE and its impact on tissue integrity, immune responses, and inflammatory processes. Research into Neutrophil Elastase Inhibitors is ongoing to unravel their precise mechanisms of action and explore their implications in controlling inflammation and tissue remodeling. The study of Neutrophil Elastase Inhibitors contributes to a deeper understanding of the intricate balance between beneficial and detrimental effects of NE in immune responses and tissue homeostasis.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Trypsin Inhibitor, soybean

9035-81-8sc-29129
sc-29129A
sc-29129B
sc-29129C
sc-29129D
sc-29129F
sc-29129E
50 mg
250 mg
1 g
5 g
10 g
25 g
100 g
$41.00
$135.00
$288.00
$1100.00
$1600.00
$2600.00
$10500.00
14
(1)

A protein derived from soybean that effectively inhibits trypsin, plasma kallikrein, and plasmin activity. It shows potent inhibition of human neutrophil elastase without toxicity to human blood cells. STI also hinders endothelial cell migration and tubulogenesis in a fibrin matrix without causing harm. However, repeated administration in rats, especially young ones, causes pancreatic enlargement. Also known as SBTI, STI, and Trypsin inhibitor from Glycine max.

3,4 Dichloroisocoumarin

51050-59-0sc-3502
5 mg
$251.00
8
(1)

An inhibitor of Neutrophil Elastase, an enzyme involved in inflammatory responses. By blocking its activity, the compound regulates Neutrophil Elastase's function and its involvement in inflammatory pathways. It is valuable for research purposes in studying the role of Neutrophil Elastase in cellular processes.

Elastatinal

51798-45-9sc-201272
sc-201272A
5 mg
25 mg
$87.00
$346.00
4
(1)

Elastatinal is an elastase inhibitor that also inhibits poliovirus and rhinovirus 2A proteinases in vitro. It does not affect DNA repair or UV-induced sister chromatid exchanges and hinders cleavages at Ala-Ala bonds in capsid/nucleocapsid peptides. This compound specifically targets Neutrophil Elastase, involved in immune responses and inflammation. Elastatinal's inhibitory properties make it valuable for research, with potential antiviral effects.

N-(Methoxysuccinyl)-Ala-Ala-Pro-Val-chloromethyl ketone

65144-34-5sc-215426
sc-215426A
5 mg
10 mg
$179.00
$311.00
(0)

N-(Methoxysuccinyl)-Ala-Ala-Pro-Val-chloromethyl ketone functions as a potent inhibitor of neutrophil elastase, characterized by its ability to form covalent bonds with the enzyme's active site. The methoxysuccinyl moiety enhances specificity through steric hindrance, while the chloromethyl ketone group facilitates irreversible binding. This compound's unique peptide sequence allows for selective interactions, modulating enzyme activity and influencing proteolytic pathways in inflammatory responses.

Sivelestat

127373-66-4sc-203938
1 mg
$105.00
2
(1)

A potent inhibitor of neutrophil elastase, showing remarkable specificity across various species. It's highly selective against neutrophil elastase than pancreas elastase. Notably, Sivelestat does not inhibit other enzymes like trypsin, thrombin, plasmin, kallikrein, chymotrypsin, and cathepsin G, even at high concentrations. It effectively curbs human neutrophil elastase-induced lung hemorrhage and skin capillary permeability, and it's also reported to inhibit mast cell Stat6-protease.

SSR 69071

344930-95-6sc-203702
10 mg
$202.00
1
(1)

An inhibitor of Neutrophil Elastase (human leukocyte elastase, HLE) with a high affinity. It exhibits species-selectivity for human, mouse, rat, rabbit, and porcine elastase. By specifically inhibiting Neutrophil Elastase, this compound holds potential for uncovering insights into its role in various cellular processes.

Sivelestat sodium tetrahydrate

201677-61-4sc-215858
sc-215858A
5 mg
25 mg
$110.00
$454.00
(0)

A potent competitive inhibitor of human neutrophil elastase (HNE). It effectively inhibits elastase from various species (hamster, mouse, rabbit, and rat). Importantly, Sivelestat sodium tetrahydrate does not inhibit several other enzymes, even at high concentrations. In animal studies, it suppresses lung hemorrhage induced by HNE and increases skin capillary permeability.

Keracyanin chloride

18719-76-1sc-228384
1 mg
$41.00
1
(1)

A Neutrophil Elastase inhibitor, curbing its proteolytic activity and influencing inflammatory pathways. This compound holds research value for understanding Neutrophil Elastase's role in cellular processes.

GW311616 hydrochloride

197890-44-1sc-506571
1 mg
$94.00
(0)

A Neutrophil Elastase inhibitor, disrupting its proteolytic activity and influencing inflammatory pathways. This compound is valuable for research in understanding Neutrophil Elastase's role in cellular processes.