The Aryl Hydrocarbon Receptor: Connecting Immunity to the Microenvironment.

The Aryl Hydrocarbon Receptor: Connecting Immunity to the Microenvironment.
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DOI:
10.1016/j.it.2018.10.010
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发表时间:
2018-12
影响因子:
16.8
通讯作者:
McGaha TL
McGaha TL
中科院分区:
医学1区
文献类型:
--
作者:
Shinde R;McGaha TL

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芳烃受体(AhR)是一种细胞质受体和转录因子,主要通过同源配体结合激活。它是免疫和组织稳态中的重要因素,并且来自环境、饮食、微生物组和宿主代谢的结构多样的化合物可以影响AhR活性。新出现的证据表明,AhR是一个关键的传感器,使免疫细胞适应环境条件。AhR活性的变化与自身免疫性疾病和癌症相关,影响免疫疾病结果的AhR激动剂或拮抗剂已将AhR作为免疫治疗的潜在可行靶标。我们描述了已知的配体刺激AhR活性,下游促炎和抑制机制加强AhR,以及如何将这种理解应用于免疫病理学。事实上,AhR依赖的免疫反应可能被调节,以帮助控制病理结果。
The aryl hydrocarbon receptor (AhR) is a cytoplasmic receptor and transcription factor, primarily activated through cognate ligand binding. It is an important factor in immunity and tissue homeostasis, and structurally diverse compounds from the environment, diet, microbiome, and host metabolism, can influence AhR activity. Emerging evidence suggests that AhR is a key sensor allowing immune cells to adapt to environmental conditions. Changes in AhR activity have been associated with autoimmune disorders and cancer, and AhR agonists or antagonists impacting immune disease outcomes have placed AhR as a potential actionable target for immunotherapy. We describe known ligands stimulating AhR activity, downstream pro-inflammatory and suppressive mechanisms potentiated by AhR, and how this understanding is applied to immunopathologies. Indeed, AhR-dependent immune responses might be modulated to help control pathologic outcomes.
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