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Trends Immunol. 2016 Jan;37(1):17-31. doi: 10.1016/j.it.2015.11.007. Epub 2015 Dec 11.

AHR Function in Lymphocytes: Emerging Concepts.

Author information

1
Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; Department of Infectious Diseases and Pathology, College of Veterinary Medicine, University of Florida, Gainesville, FL 32608, USA. Electronic address: L-Zhou@northwestern.edu.

Abstract

The aryl hydrocarbon receptor (AHR) is an important regulator of the development and function of both innate and adaptive immune cells through roles associated with AHR's ability to respond to cellular and dietary ligands. Recent findings have revealed tissue and context-specific functions for AHR in both homeostasis and in during an immune response. I review these findings here, and integrate them into the current understanding of the mechanisms that regulate AHR transcription and function. I propose a conceptual framework in which AHR function is determined by three factors: the amount of AHR in any given cell, the abundance and potency of AHR ligands within certain tissues, and the tissue microenvironment wherein AHR(+) cells reside. This complexity emphasizes the necessity cell-type specific genetic approaches towards the study of AHR function.

PMID:
26700314
PMCID:
PMC4707131
DOI:
10.1016/j.it.2015.11.007
[Indexed for MEDLINE]
Free PMC Article

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