The mannose receptor (CD206) identifies a population of colonic macrophages in health and inflammatory bowel disease

Abstract To understand the contribution of mononuclear phagocytes (MNP), which include monocyte-derived intestinal macrophages, to the pathogenesis of inflammatory bowel disease (IBD), it is necessary to identify functionally-different MNP populations. We aimed to characterise intestinal macrophage...

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Autores principales: Pamela B. Wright, Elizabeth McDonald, Alberto Bravo-Blas, Hannah M. Baer, Anna Heawood, Calum C. Bain, Allan M. Mowat, Slater L. Clay, Elaine V. Robertson, Fraser Morton, Jagtar Singh Nijjar, Umer Z. Ijaz, Simon W. F. Milling, Daniel R. Gaya
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Publicado: Nature Portfolio 2021
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spelling oai:doaj.org-article:4a39c7bad69f4132860514691588ed0f2021-12-02T16:57:08ZThe mannose receptor (CD206) identifies a population of colonic macrophages in health and inflammatory bowel disease10.1038/s41598-021-98611-72045-2322https://doaj.org/article/4a39c7bad69f4132860514691588ed0f2021-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-98611-7https://doaj.org/toc/2045-2322Abstract To understand the contribution of mononuclear phagocytes (MNP), which include monocyte-derived intestinal macrophages, to the pathogenesis of inflammatory bowel disease (IBD), it is necessary to identify functionally-different MNP populations. We aimed to characterise intestinal macrophage populations in patients with IBD. We developed 12-parameter flow cytometry protocols to identify and human intestinal MNPs. We used these protocols to purify and characterize colonic macrophages from colonic tissue from patients with Crohn’s disease (CD), ulcerative colitis (UC), or non-inflamed controls, in a cross-sectional study. We identify macrophage populations (CD45+CD64+ HLA-DR+) and describe two distinct subsets, differentiated by their expression of the mannose receptor, CD206. CD206+ macrophages expressed markers consistent with a mature phenotype: high levels of CD68 and CD163, higher transcription of IL-10 and lower expression of TREM1. CD206− macrophages appear to be less mature, with features more similar to their monocytic precursors. We identified and purified macrophage populations from human colon. These appear to be derived from a monocytic precursor with high CCR2 and low CD206 expression. As these cells mature, they acquire expression of IL-10, CD206, CD63, and CD168. Targeting the newly recruited monocyte-derived cells may represent a fruitful avenue to ameliorate chronic inflammation in IBD.Pamela B. WrightElizabeth McDonaldAlberto Bravo-BlasHannah M. BaerAnna HeawoodCalum C. BainAllan M. MowatSlater L. ClayElaine V. RobertsonFraser MortonJagtar Singh NijjarUmer Z. IjazSimon W. F. MillingDaniel R. GayaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Pamela B. Wright
Elizabeth McDonald
Alberto Bravo-Blas
Hannah M. Baer
Anna Heawood
Calum C. Bain
Allan M. Mowat
Slater L. Clay
Elaine V. Robertson
Fraser Morton
Jagtar Singh Nijjar
Umer Z. Ijaz
Simon W. F. Milling
Daniel R. Gaya
The mannose receptor (CD206) identifies a population of colonic macrophages in health and inflammatory bowel disease
description Abstract To understand the contribution of mononuclear phagocytes (MNP), which include monocyte-derived intestinal macrophages, to the pathogenesis of inflammatory bowel disease (IBD), it is necessary to identify functionally-different MNP populations. We aimed to characterise intestinal macrophage populations in patients with IBD. We developed 12-parameter flow cytometry protocols to identify and human intestinal MNPs. We used these protocols to purify and characterize colonic macrophages from colonic tissue from patients with Crohn’s disease (CD), ulcerative colitis (UC), or non-inflamed controls, in a cross-sectional study. We identify macrophage populations (CD45+CD64+ HLA-DR+) and describe two distinct subsets, differentiated by their expression of the mannose receptor, CD206. CD206+ macrophages expressed markers consistent with a mature phenotype: high levels of CD68 and CD163, higher transcription of IL-10 and lower expression of TREM1. CD206− macrophages appear to be less mature, with features more similar to their monocytic precursors. We identified and purified macrophage populations from human colon. These appear to be derived from a monocytic precursor with high CCR2 and low CD206 expression. As these cells mature, they acquire expression of IL-10, CD206, CD63, and CD168. Targeting the newly recruited monocyte-derived cells may represent a fruitful avenue to ameliorate chronic inflammation in IBD.
format article
author Pamela B. Wright
Elizabeth McDonald
Alberto Bravo-Blas
Hannah M. Baer
Anna Heawood
Calum C. Bain
Allan M. Mowat
Slater L. Clay
Elaine V. Robertson
Fraser Morton
Jagtar Singh Nijjar
Umer Z. Ijaz
Simon W. F. Milling
Daniel R. Gaya
author_facet Pamela B. Wright
Elizabeth McDonald
Alberto Bravo-Blas
Hannah M. Baer
Anna Heawood
Calum C. Bain
Allan M. Mowat
Slater L. Clay
Elaine V. Robertson
Fraser Morton
Jagtar Singh Nijjar
Umer Z. Ijaz
Simon W. F. Milling
Daniel R. Gaya
author_sort Pamela B. Wright
title The mannose receptor (CD206) identifies a population of colonic macrophages in health and inflammatory bowel disease
title_short The mannose receptor (CD206) identifies a population of colonic macrophages in health and inflammatory bowel disease
title_full The mannose receptor (CD206) identifies a population of colonic macrophages in health and inflammatory bowel disease
title_fullStr The mannose receptor (CD206) identifies a population of colonic macrophages in health and inflammatory bowel disease
title_full_unstemmed The mannose receptor (CD206) identifies a population of colonic macrophages in health and inflammatory bowel disease
title_sort mannose receptor (cd206) identifies a population of colonic macrophages in health and inflammatory bowel disease
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/4a39c7bad69f4132860514691588ed0f
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