ELA-21 (human) is a peptide containing hydrophobic, aromatic, and polar residues arranged for helix-associated conformational dynamics. Researchers use it to explore ligand-binding interfaces, folding transitions, and solvent-sensitive structure formation. The sequence supports mapping of functional epitopes. Its length allows high-resolution structural investigation.
CAT No: R2417
CAS No:2245073-05-4
Synonyms/Alias:ELA-21 (human);2245073-05-4;DA-52848;
ELA-21 (human), also recognized as Elafin-21 or elastase inhibitor peptide, is a synthetic carbohydrate compound derived from the endogenous human protein Elafin. This peptide is characterized by its unique amino acid sequence, which confers potent inhibitory activity against human neutrophil elastase and related serine proteases. ELA-21 (human) is widely valued in scientific research for its role in modulating inflammatory responses, tissue remodeling, and extracellular matrix degradation. Its stability and specificity make it a preferred tool for elucidating protease-mediated pathways in cellular and molecular biology studies. Researchers leverage its biochemical properties to dissect complex signaling cascades and to investigate the physiological relevance of elastase inhibition in various biological contexts.
Inflammation research: ELA-21 (human) is extensively utilized in inflammation research to study the mechanisms by which neutrophil elastase contributes to tissue injury and inflammatory signaling. By selectively inhibiting elastase activity in in vitro and ex vivo models, scientists can examine the downstream effects on cytokine release, leukocyte recruitment, and matrix degradation. This approach enables the dissection of key events in acute and chronic inflammation, providing insights into the regulation of immune responses and the identification of potential molecular targets for further investigation.
Protease activity assays: Elafin-21 is frequently employed in protease activity assays to quantify the enzymatic function of serine proteases such as neutrophil elastase and proteinase 3. By serving as a competitive inhibitor, it allows for the accurate assessment of protease kinetics, substrate specificity, and inhibitor screening in biochemical assays. This application is especially valuable in the development and validation of novel protease inhibitors, as well as in the functional characterization of protease variants implicated in pathological processes.
Tissue remodeling studies: The peptide is instrumental in tissue remodeling studies, where it is used to explore the role of protease inhibition in maintaining extracellular matrix integrity. Researchers apply ELA-21 (human) to cultured fibroblasts, epithelial cells, or tissue explants to monitor changes in matrix protein turnover, cell migration, and wound healing dynamics. These investigations shed light on the balance between proteolytic activity and tissue repair mechanisms, advancing the understanding of fibrotic and degenerative conditions.
Cell signaling pathway analysis: Elastase inhibitor peptide is a valuable tool for dissecting cell signaling pathways that are modulated by protease activity. By blocking elastase-mediated cleavage events, investigators can delineate the impact on receptor activation, intracellular signaling cascades, and gene expression profiles. This application supports the identification of protease-dependent regulatory networks and their contributions to cellular responses under physiological and pathological conditions.
Biomarker discovery: In biomarker discovery research, ELA-21 (human) is applied to investigate the proteolytic processing of candidate biomarkers in biological fluids and tissues. By inhibiting elastase activity, researchers can distinguish between protease-sensitive and protease-resistant forms of proteins, facilitating the identification and quantification of disease-associated fragments. This strategy enhances the sensitivity and specificity of biomarker detection assays, contributing to the advancement of diagnostic and prognostic research.
In summary, ELA-21 (human) stands as a versatile biochemical tool with broad applications across multiple research domains. Its use in inflammation research, protease activity assays, tissue remodeling studies, cell signaling pathway analysis, and biomarker discovery underscores its significance in advancing fundamental and translational science. By enabling precise modulation of elastase activity, this peptide supports the elucidation of complex biological processes and fosters the development of innovative experimental approaches in protease biology and related fields.
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