Mast cell tissue heterogeneity and specificity of immune cell recruitment.

Mast cell tissue heterogeneity and specificity of immune cell recruitment.
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DOI:
10.3389/fimmu.2022.932090
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发表时间:
2022
影响因子:
7.3
通讯作者:
Bulfone-Paus, Silvia
Bulfone-Paus, Silvia
中科院分区:
医学2区
文献类型:
--
作者:
West, Peter W.;Bulfone-Paus, Silvia

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肥大细胞作为IgE介导的超敏反应和过敏反应以及其他免疫反应的长期肇事者,在组织中占据着独特的生态位。然而,肥大细胞在不同的组织中是不相同的,这种组织异质性对与其他免疫细胞相互作用和确定的免疫反应的影响尚不清楚。本文综述了肠道和皮肤肥大细胞异质性的特点。此外,我们试图通过探索肥大细胞诱导的免疫细胞募集在这两个模型器官中的差异,将肥大细胞异质性与功能多样性联系起来。某些受体在不同组织肥大细胞上的差异表达,特别是整合素、补体受体和MRGPRX2的组织特异性表达模式,可能表明组织环境依赖性因子扭曲了肥大细胞-免疫细胞相互作用,例如通过调节这些受体的表达。
Mast cells occupy a unique niche within tissues as long lived perpetrators of IgE mediated hypersensitivity and anaphylaxis, as well as other immune responses. However, mast cells are not identical in different tissues and the impact of this tissue heterogeneity on the interaction with other immune cells and on defined immune responses is still unclear. In this review, we synthesize the characteristics of mast cell heterogeneity in the gut and the skin. Furthermore, we attempt to connect mast cell heterogeneity with functional diversity by exploring differences in mast cell-induced immune cell recruitment in these two model organs. The differential expression of certain receptors on mast cells of different tissues, notably tissue-specific expression patterns of integrins, complement receptors and MRGPRX2, could indicate that tissue environment-dependent factors skew mast cell-immune cell interactions, for example by regulating the expression of these receptors.
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