Early p38 activation regulated by MKP-1 is determinant for high levels of IL-10 expression through TLR2 activation

Toll-like receptors (TLRs) play a crucial role in the recognition of pathogen-derived components as a first line of defense against infections. It has been suggested that depending on the nature of the pathogens, TLRs activation induce a distinct cytokine profile that may contribute to the polarizat...

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Authors: Francisco, Sara; Arranz, Alicia; Merino, Javier; Punzón, Carmen; Perona Abellón, Rosario; Fresno Escudero, Manuel
Format: Article
Publication date:2021
Country:España
Institution:Universidad Autónoma de Madrid
Repository:Biblos-e Archivo. Repositorio Institucional de la UAM
Language:English
OAI Identifier:oai:repositorio.uam.es:10486/716826
Online Access:http://hdl.handle.net/10486/716826
https://dx.doi.org/10.3389/fimmu.2021.660065
Access Level:Open access
Keyword:Macrophages
innate immunity
toll-like receptors
MAPK signaling
cytokines
Biología y Biomedicina / Biología
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author Francisco, Sara
author2 Arranz, Alicia
Merino, Javier
Punzón, Carmen
Perona Abellón, Rosario
Fresno Escudero, Manuel
author2_role author
author
author
author
author
author_browse Arranz, Alicia
Francisco, Sara
Fresno Escudero, Manuel
Merino, Javier
Perona Abellón, Rosario
Punzón, Carmen
author_facet Francisco, Sara
Arranz, Alicia
Merino, Javier
Punzón, Carmen
Perona Abellón, Rosario
Fresno Escudero, Manuel
author_role author
collection Biblos-e Archivo. Repositorio Institucional de la UAM
description Toll-like receptors (TLRs) play a crucial role in the recognition of pathogen-derived components as a first line of defense against infections. It has been suggested that depending on the nature of the pathogens, TLRs activation induce a distinct cytokine profile that may contribute to the polarization of the acquired immune response. Here, we investigated the early MAPK signaling activation via TLR4 and TLR2 receptors and its impact in differential cytokine profile by macrophages. We found that TLR2 ligands activated MAPKs p38 and ERK earlier compared to the TLR4 ligand LPS in macrophages. Higher IL-10/IL-12 and IL-10/TNF-α ratios were also observed at later time points in response to TLR2 ligands compared to LPS. The results also indicate an earlier activation of the phosphatase MKP-1 and that MKP-1 KO macrophages show a prolongation in p38 phosphorylation in response to TLR2 stimulation. Furthermore, p38 is critical for IL-10 expression in response to TLR2 ligands, which triggers the macrophage change to a M2 and regulatory phenotype in contrast to the M1 phenotype induced by TLR4 activation. Therefore, the early TLR2-mediated p38 induction contributes for the high IL-10 production, likely as a virulence strategy to suppress host Th1 response against certain types of pathogens
eu_rights_str_mv openAccess
format article
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institution Universidad Autónoma de Madrid
instname_str Universidad Autónoma de Madrid
language eng
network_acronym_str ES
network_name_str España
oai_identifier_str oai:repositorio.uam.es:10486/716826
publishDate 2021
publishDateSort 2021
publisher Frontiers Media S.A
publisherStr Frontiers Media S.A
reponame_str Biblos-e Archivo. Repositorio Institucional de la UAM
spelling Early p38 activation regulated by MKP-1 is determinant for high levels of IL-10 expression through TLR2 activation Francisco, Sara Arranz, Alicia Merino, Javier Punzón, Carmen Perona Abellón, Rosario Fresno Escudero, Manuel Macrophages innate immunity toll-like receptors MAPK signaling cytokines Biología y Biomedicina / Biología Toll-like receptors (TLRs) play a crucial role in the recognition of pathogen-derived components as a first line of defense against infections. It has been suggested that depending on the nature of the pathogens, TLRs activation induce a distinct cytokine profile that may contribute to the polarization of the acquired immune response. Here, we investigated the early MAPK signaling activation via TLR4 and TLR2 receptors and its impact in differential cytokine profile by macrophages. We found that TLR2 ligands activated MAPKs p38 and ERK earlier compared to the TLR4 ligand LPS in macrophages. Higher IL-10/IL-12 and IL-10/TNF-α ratios were also observed at later time points in response to TLR2 ligands compared to LPS. The results also indicate an earlier activation of the phosphatase MKP-1 and that MKP-1 KO macrophages show a prolongation in p38 phosphorylation in response to TLR2 stimulation. Furthermore, p38 is critical for IL-10 expression in response to TLR2 ligands, which triggers the macrophage change to a M2 and regulatory phenotype in contrast to the M1 phenotype induced by TLR4 activation. Therefore, the early TLR2-mediated p38 induction contributes for the high IL-10 production, likely as a virulence strategy to suppress host Th1 response against certain types of pathogens This research was funded by grants from European Unión “Host-microbe interactions in Health and disease. Interface with the immune system”. HOMIN - 317057 - FP7-PEOPLE2012-ITN to Diomune and Ministerio de Ciencia e Innovación (SAF2013-42850-R and SAF2016-75988-R), Instituto de salud Carlos III “ (BIOIMID and RD16/0027/0006), Comunidad de Madrid (S2017/BMD-3671. INFLAMUNE-CM) to MF, and Institutional grants from “Fundación Ramón Areces” and “Banco de Santander” Frontiers Media S.A http://hdl.handle.net/10486/716826 https://dx.doi.org/10.3389/fimmu.2021.660065
spellingShingle Early p38 activation regulated by MKP-1 is determinant for high levels of IL-10 expression through TLR2 activation
Francisco, Sara
Macrophages
innate immunity
toll-like receptors
MAPK signaling
cytokines
Biología y Biomedicina / Biología
title Early p38 activation regulated by MKP-1 is determinant for high levels of IL-10 expression through TLR2 activation
title_full Early p38 activation regulated by MKP-1 is determinant for high levels of IL-10 expression through TLR2 activation
title_fullStr Early p38 activation regulated by MKP-1 is determinant for high levels of IL-10 expression through TLR2 activation
title_full_unstemmed Early p38 activation regulated by MKP-1 is determinant for high levels of IL-10 expression through TLR2 activation
title_short Early p38 activation regulated by MKP-1 is determinant for high levels of IL-10 expression through TLR2 activation
title_sort Early p38 activation regulated by MKP-1 is determinant for high levels of IL-10 expression through TLR2 activation
topic Macrophages
innate immunity
toll-like receptors
MAPK signaling
cytokines
Biología y Biomedicina / Biología
topic_facet Macrophages
innate immunity
toll-like receptors
MAPK signaling
cytokines
Biología y Biomedicina / Biología
url http://hdl.handle.net/10486/716826
https://dx.doi.org/10.3389/fimmu.2021.660065