Publication:
Isolation of functional mature peritoneal macrophages from healthy humans.

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Date
2019-11-06
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Authors
Martínez Banaclocha, Helios ; Marín Sánchez, Pilar ; Carmona Martínez, Violeta ; Iniesta Albadalejo, Miguel Ángel ; Tristán Manzano, María ; García Peñarrubia, Pilar ; Machado Linde, Francisco ; Martínez-Esparza Alvargonzález, María Concepción ; Pelegrín Vivancos, Pablo ; Ruiz Alcaraz, Antonio José ; Tapia Abellán, Ana
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Publisher
Wiley
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DOI
https://doi.org/10.1111/imcb.12305
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info:eu-repo/semantics/article
Description
© 2019 Australian and New Zealand Society for Immunology Inc. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ This document is the Accepted version of a Published Work that appeared in final form in Immunology & Cell Biology. To access the final edited and published work see https://doi.org/10.1111/imcb.12305
Abstract
Macrophages play an important role in the inflammatory response. Their various biological functions are induced by different membrane receptors, including Toll-like receptors, which trigger several intracellular signaling cascades and activate the inflammasomes, which in turn elicit the release of inflammatory mediators such as cytokines. In this study, we present a novel method for the isolation of human mature peritoneal macrophages. This method can be easily implemented by gynecologists who routinely perform laparoscopy for sterilization by tubal ligation or surgically intervene in benign gynecological pathologies. Our method confirms that macrophages are the main peritoneal leukocyte subpopulation isolated from the human peritoneum in homeostasis. We showed that primary human peritoneal macrophages present phagocytic and oxidative activities, and respond to activation of the main proinflammatory pathways such as Toll-like receptors and inflammasomes, resulting in the secretion of different proinflammatory cytokines. Therefore, this method provides a useful tool for characterizing primary human macrophages as control cells for studies of molecular inflammatory pathways in steady-state conditions and for comparing them with those obtained from pathologies involving the peritoneal cavity. Furthermore, it will facilitate advances in the screening of anti-inflammatory compounds in the human system.
Citation
Immunology & Cell Biology, 2020, Vol. 98, N. 2, pp. 114-126
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