Phenotypic and functional heterogeneity of macrophages and dendritic cell subsets in the healthy and atherosclerosis-prone aorta.

Atherosclerosis continues to be the leading cause of cardiovascular disease. Development of atherosclerosis depends on chronic inflammation in the aorta and multiple immune cells are involved in this process. Importantly, resident macrophages and dendritic cells are present within the healthy aorta,...

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Main Authors: Elena V Galkina, Matthew J Butcher
Format: Article
Language:English
Published: Frontiers Media S.A. 2012-03-01
Series:Frontiers in Physiology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fphys.2012.00044/full
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author Elena V Galkina
Matthew J Butcher
author_facet Elena V Galkina
Matthew J Butcher
author_sort Elena V Galkina
collection DOAJ
description Atherosclerosis continues to be the leading cause of cardiovascular disease. Development of atherosclerosis depends on chronic inflammation in the aorta and multiple immune cells are involved in this process. Importantly, resident macrophages and dendritic cells are present within the healthy aorta, but the functions of these cells remain poorly characterized. Local inflammation within the aortic wall promotes the recruitment of monocytes and dendritic cell precursors to the aorta and micro-environmental factors direct the differentiation of these emigrated cells into multiple subsets of macrophages and dendritic cells. Recent data suggest that several populations of macrophages and dendritic cells can co-exist within the aorta. Although the functions of M1, M2, Mox and M4 macrophages are well characterized in vitro, there is a limited set of data on the role of these populations in atherogenesis in vivo. Recent studies on the origin and the potential role of aortic dendritic cells provide novel insights into the biology of aortic dendritic cell subsets and prospective mechanisms of the immune response in atherosclerosis. This review integrates the results of experiments analyzing heterogeneity of dendritic cells and macrophage subsets in healthy and diseased vessels and briefly discusses the known and potential functions of these cells in atherogenesis.
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spelling doaj.art-b74b7ece6df94040a6a2469878dd20b02022-12-21T23:16:10ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2012-03-01310.3389/fphys.2012.0004421217Phenotypic and functional heterogeneity of macrophages and dendritic cell subsets in the healthy and atherosclerosis-prone aorta.Elena V Galkina0Matthew J Butcher1Eastern Virginia Medical SchoolEastern Virginia Medical SchoolAtherosclerosis continues to be the leading cause of cardiovascular disease. Development of atherosclerosis depends on chronic inflammation in the aorta and multiple immune cells are involved in this process. Importantly, resident macrophages and dendritic cells are present within the healthy aorta, but the functions of these cells remain poorly characterized. Local inflammation within the aortic wall promotes the recruitment of monocytes and dendritic cell precursors to the aorta and micro-environmental factors direct the differentiation of these emigrated cells into multiple subsets of macrophages and dendritic cells. Recent data suggest that several populations of macrophages and dendritic cells can co-exist within the aorta. Although the functions of M1, M2, Mox and M4 macrophages are well characterized in vitro, there is a limited set of data on the role of these populations in atherogenesis in vivo. Recent studies on the origin and the potential role of aortic dendritic cells provide novel insights into the biology of aortic dendritic cell subsets and prospective mechanisms of the immune response in atherosclerosis. This review integrates the results of experiments analyzing heterogeneity of dendritic cells and macrophage subsets in healthy and diseased vessels and briefly discusses the known and potential functions of these cells in atherogenesis.http://journal.frontiersin.org/Journal/10.3389/fphys.2012.00044/fullAtherosclerosisDendritic CellsMacrophagesimmune response
spellingShingle Elena V Galkina
Matthew J Butcher
Phenotypic and functional heterogeneity of macrophages and dendritic cell subsets in the healthy and atherosclerosis-prone aorta.
Frontiers in Physiology
Atherosclerosis
Dendritic Cells
Macrophages
immune response
title Phenotypic and functional heterogeneity of macrophages and dendritic cell subsets in the healthy and atherosclerosis-prone aorta.
title_full Phenotypic and functional heterogeneity of macrophages and dendritic cell subsets in the healthy and atherosclerosis-prone aorta.
title_fullStr Phenotypic and functional heterogeneity of macrophages and dendritic cell subsets in the healthy and atherosclerosis-prone aorta.
title_full_unstemmed Phenotypic and functional heterogeneity of macrophages and dendritic cell subsets in the healthy and atherosclerosis-prone aorta.
title_short Phenotypic and functional heterogeneity of macrophages and dendritic cell subsets in the healthy and atherosclerosis-prone aorta.
title_sort phenotypic and functional heterogeneity of macrophages and dendritic cell subsets in the healthy and atherosclerosis prone aorta
topic Atherosclerosis
Dendritic Cells
Macrophages
immune response
url http://journal.frontiersin.org/Journal/10.3389/fphys.2012.00044/full
work_keys_str_mv AT elenavgalkina phenotypicandfunctionalheterogeneityofmacrophagesanddendriticcellsubsetsinthehealthyandatherosclerosisproneaorta
AT matthewjbutcher phenotypicandfunctionalheterogeneityofmacrophagesanddendriticcellsubsetsinthehealthyandatherosclerosisproneaorta