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Involvement of Oxidative Stress in Protective Cardiac Functions of Calprotectin

Abstract : Calprotectin (CLP) belonging to the S-100 protein family is a heterodimeric complex (S100A8/S100A9) formed by two binding proteins. Upon cell activation, CLP stored in neutrophils is released extracellularly in response to inflammatory stimuli and acts as damage-associated molecular patterns (DAMPs). S100A8 and S100A9 possess both anti-inflammatory and anti-bacterial properties. The complex is a ligand of the toll-like receptor 4 (TLR4) and receptor for advanced glycation end (RAGE). At sites of infection and inflammation, CLP is a target for oxidation due to its co-localization with neutrophil-derived oxidants. In the heart, oxidative stress (OS) responses and S100 proteins are closely related and intimately linked through pathophysiological processes. Our review summarizes the roles of S100A8, S100A9 and CLP in the inflammation in relationship with vascular OS, and we examine the importance of CLP for the mechanisms driving in the protection of myocardium. Recent evidence interpreting CLP as a critical modulator during the inflammatory response has identified this alarmin as an interesting drug target.
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Soumis le : jeudi 20 octobre 2022 - 14:15:32
Dernière modification le : mardi 25 octobre 2022 - 03:14:52


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Luc Rochette, Geoffrey Dogon, Eve Rigal, Marianne Zeller, Yves Cottin, et al.. Involvement of Oxidative Stress in Protective Cardiac Functions of Calprotectin. Cells, 2022, 11, ⟨10.3390/cells11071226⟩. ⟨hal-03822596⟩



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