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Medientyp:
E-Artikel
Titel:
Deciphering visceral adipose tissue regulatory T cells: Key contributors to metabolic health
Beteiligte:
Elkins, Cody;
Li, Chaoran
Erschienen:
Wiley, 2024
Erschienen in:
Immunological Reviews, 324 (2024) 1, Seite 52-67
Sprache:
Englisch
DOI:
10.1111/imr.13336
ISSN:
0105-2896;
1600-065X
Entstehung:
Anmerkungen:
Beschreibung:
SummaryRegulatory T cells (Tregs) within the visceral adipose tissue (VAT) play a crucial role in controlling tissue inflammation and maintaining metabolic health. VAT Tregs display a unique transcriptional profile and T cell receptor (TCR) repertoire, and closely interact with adipocytes, stromal cells, and other immune components within the local VAT microenvironment. However, in the context of obesity, there is a notable decline in VAT Tregs, resulting in heightened VAT inflammation and insulin resistance. A comprehensive understanding of the biology of VAT Tregs is essential for the development of Treg‐based therapies for mitigating obesity‐associated metabolic diseases. Recent advancements in lineage tracing tools, genetic mouse models, and various single cell “omics” techniques have significantly progressed our understandings of the origin, differentiation, and regulation of this unique VAT Treg population at steady state and during obesity. The identification of VAT‐Treg precursor cells in the secondary lymphoid organs has also provided important insights into the timing, location, and mechanisms through which VAT Tregs acquire their distinctive phenotype that enables them to function within a lipid‐rich microenvironment. In this review, we highlight key recent breakthroughs in the VAT‐Treg field while discussing pivotal questions that remain unanswered.