Hydrogen peroxide in neutrophil inflammation: Lesson from the zebrafish

斑马鱼 林恩 生物 炎症 细胞生物学 趋化因子 转录因子 NADPH氧化酶 免疫学 癌症研究 信号转导 酪氨酸激酶 活性氧 生物化学 基因
作者
Francisco Juan Martínez-Navarro,Francisco J. Martínez-Morcillo,Sofía de Oliveira,Sergio Candel,Isabel Cabas,Alfonsa García‐Ayala,Teresa Martínez‐Menchón,R. Corbalán-Vélez,Pablo Mesa-del-Castillo,María L. Cayuela,Ana B. Pérez‐Oliva,Diana García‐Moreno,Victoriano Mulero
出处
期刊:Developmental and Comparative Immunology [Elsevier]
卷期号:105: 103583-103583 被引量:22
标识
DOI:10.1016/j.dci.2019.103583
摘要

The zebrafish has become an excellent model for the study of inflammation and immunity. Its unique advantages for in vivo imaging and gene and drug screening have allowed the visualization of dual oxidase 1 (Duox1)-derived hydrogen peroxide (H2O2) tissue gradients and its crosstalk with neutrophil infiltration to inflamed tissue. Thus, it has been shown that H2O2 directly recruits neutrophils via the Src-family tyrosine kinase Lyn and indirectly by the activation of several signaling pathways involved in inflammation, such as nuclear factor κB (NF-κB), mitogen activated kinases and the transcription factor AP1. In addition, this model has also unmasked the unexpected ability of H2O2 to induce the expression of the gene encoding the key neutrophil chemoattractant CXC chemokine ligand 8 by facilitating the accessibility of transcription factors to its promoter through histone covalent modifications. Finally, zebrafish models of psoriasis have shown that a H2O2/NF-κB/Duox1 positive feedback inflammatory loop operates in this chronic inflammatory disorder and that pharmacological inhibition of Duox1, but not of downstream mediators, inhibits inflammation and restores epithelial homeostasis. Therefore, these results have pointed out DUOX1 and H2O2 as therapeutic targets for the treatment of skin inflammatory disorders, such as psoriasis.

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