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File:Parasite150072-fig2 Role of neutrophils in rodent amebic liver abscess.png

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Summary

Description
English: Figure 2 of paper
Activated neutrophils provide signals for the activation and maturation of macrophages, which in turn release IL-1β, TNF-α, G-CSF, and GM-CSF. These cytokines extend the life span of neutrophils at sites of inflammation. The interaction of lipopeptidophosphoglycan (LPPG) with TLR-2 and TLR-4 results in the activation of NF-kappa B and the release of IL-8, IL-10, IL-12p40, and TNF-α from human macrophages. Activated neutrophils enhance the production of reactive oxygen species (ROS), activating NF-kB and increasing neutrophil degranulation. Primary granules contain MPO, defensins, lysozyme, bactericidal/permeability-increasing protein (BPI), neutrophil elastase (NE), proteinase 3 (PR3), and cathepsin G (CG). Secondary granules are characterized by the presence of lactoferrin, neutrophil gelatinase-associated lipocalin (NGAL), human cationic antimicrobial protein 18 or cathelin (hCAP-18), and lysozyme. MPO can bind to monocytes, which might lead to the production of ROS and proinflammatory cytokines. Another function of neutrophils is the formation of neutrophil extracellular traps (NETs), composed of DNA bound with antimicrobial components (e.g., bacterial permeability-increasing protein, myeloperoxidase, elastase, lactoferrin). NET formation may have an important role in combating amebas.
Date
Source (2016). "A review of the proposed role of neutrophils in rodent amebic liver abscess models". Parasite 23: 6. DOI:10.1051/parasite/2016006. ISSN 1776-1042.
Author Rafael Campos-Rodríguez, Manuel Gutiérrez-Meza, Rosa Adriana Jarillo-Luna, María Elisa Drago-Serrano, Edgar Abarca-Rojano, Javier Ventura-Juárez, Luz María Cárdenas-Jaramillo and Judith Pacheco-Yepez

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Parasite
This file was published in the scientific journal Parasite. Their website states that all content of the journal including and after 2013 is published under the Creative Commons Attribution 4.0 license.

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