The Inhibitory T Cell Receptors PD1 and 2B4 Are Differentially Regulated on CD4 and CD8 T Cells in a Mouse Model of Non-alcoholic Steatohepatitis.
NASH
Western diet
inhibitory T cell receptors
liver
natural killer cell receptor 2B4
non-alcoholic steatohepatitis
programmed cell death protein 1
Journal
Frontiers in pharmacology
ISSN: 1663-9812
Titre abrégé: Front Pharmacol
Pays: Switzerland
ID NLM: 101548923
Informations de publication
Date de publication:
2019
2019
Historique:
received:
26
12
2018
accepted:
26
02
2019
entrez:
6
4
2019
pubmed:
6
4
2019
medline:
6
4
2019
Statut:
epublish
Résumé
Infiltrating CD4 and CD8 T cells have been shown to worsen inflammatory liver damage in non-alcoholic steatohepatitis (NASH). Inhibitory T cell receptors such as the programmed cell death protein 1 (PD1) and the natural killer cell receptor 2B4 regulate the activity of CD4 and CD8 T cells and therefore play an important role in immune tolerance required in the liver. In this study, we investigated the expression profile of inhibitory T cell receptors on CD4 and CD8 T cells in a mouse model of NASH. Male B57BL/6J mice were fed a Western diet for 24 weeks. The expression levels of inhibitory receptors on the surface of intrahepatic and peripheral T cells were measured and correlated with markers of activation (CD107a, CD69, and CD44), metabolic disorder (serum triglycerides, serum cholesterol, γ-glutamyl transferase, hepatic triglycerides), inflammation (serum alanine aminotransferase and aspartate aminotransferase) and hepatic fibrosis (collagen 1A1, α-smooth muscle actin, hydroxyproline). Under Western diet, PD1 is exclusively upregulated on intrahepatic and peripheral CD8
Identifiants
pubmed: 30949049
doi: 10.3389/fphar.2019.00244
pmc: PMC6436071
doi:
Types de publication
Journal Article
Langues
eng
Pagination
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