Anti-inflammatory effect of lysozyme from hen egg white on mouse peritoneal macrophages

Cytotechnology
Ayuka TagashiraTakuya Sugahara

Abstract

Lysozyme from hen egg has been reported to possess an anti-inflammatory effect. However, little is known about its detailed mechanism. The mechanism of anti-inflammatory effect of lysozyme was examined in this study. When mouse macrophage-like cell line RAW264.7 cells and mouse peritoneal macrophages were activated with lipopolysaccharide (LPS) and then treated with lysozyme, the production of tumor necrosis factor-α and interleukin-6 was significantly suppressed. The effect was induced by suppressing the gene expression levels of both cytokines. Phagocytosis activity of peritoneal macrophages was not altered by the treatment with lysozyme, suggesting that lysozyme shows the anti-inflammatory effect without inhibiting the phagocytotic response of macrophages. In addition, lysozyme inhibited phosphorylation of c-jun N-terminal kinase (JNK) and was taken up by macrophages within 1 h after treatment of the cells with lysozyme. Overall results suggest that lysozyme is taken up intracellularly and suppresses LPS-induced inflammatory responses by inhibiting JNK phosphorylation.

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Citations

Feb 23, 2019·Frontiers in Microbiology·Jian ZhouYulong Yin
Nov 7, 2019·International Journal of Molecular Sciences·Alberta BergamoGianni Sava
Dec 29, 2021·Journal of Agricultural and Food Chemistry·Na ZhouYonggang Tu

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