Defining Mast Cell Differentiation and Heterogeneity Through Single-cell Transcriptomics Analysis

Overview

Journal J Allergy Clin Immunol

Specialty Allergy & Immunology

Date 2022 Oct 7

PMID 36205448

Authors

Tahereh Derakhshan

Joshua A Boyce

Daniel F Dwyer

Affiliations

Soon will be listed here.

Abstract

Mast cells (MCs) are widely recognized as central effector cells during type 2 inflammatory reactions and thought to also play a role in innate immune responses, wound healing, and potentially cancer. Circulating progenitor cells mature to MCs in peripheral tissues, where they exhibit phenotypic and functional heterogeneity. This diversity likely originates from differences in MC development imprinted by microenvironmental signals. The advent of single-cell transcriptomics reveals MC diversity beyond differences in proteases that were classically used to identify MC phenotypes. Here, we provide an overview of the current knowledge on MC progenitor differentiation and characteristics, and MC heterogeneity seen in health versus disease, that are drastically advanced through single-cell profiling technologies. This powerful approach can provide detailed cellular maps of tissues to decipher the complex cellular functions and interactions that may lead to identifying candidate factors to target in therapies.

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