2024 journal article

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Myeloid cell MHC I expression drives CD8<SUP>+</SUP> T cell activation in nonalcoholic steatohepatitis

FRONTIERS IN IMMUNOLOGY, 14.

By: V. Adams ⁿ, L. Collins ⁿ , T. Williams ⁿ , J. Holmes ⁿ, P. Hess ⁿ , H. Atkins ⁿ, G. Scheidemantle ⁿ, X. Liu ⁿ ...and 3 other authors, including 2 NC State authors, M. Lodge ⁿ, A. Johnson ^* & A. Kennedy ⁿ 

author keywords: liver; NASH; fibrosis; H2Kb; CD8(+) T cells; immunopeptidome

TL;DR: Activated hepatic CD8+ T cells are dependent on myeloid cell MHC class I expression in diet induced NASH to promote inflammation and fibrosis and a role of NADPH oxidase in the production of Ncf2 peptide generation is suggested. (via Semantic Scholar)

10.3389/fimmu.2023.1302006

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www.frontiersin.org (publisher PDF)

Source: Web Of Science

Added: February 12, 2024

Background &amp; aimsActivated CD8+ T cells are elevated in Nonalcoholic steatohepatitis (NASH) and are important for driving fibrosis and inflammation. Despite this, mechanisms of CD8+ T cell activation in NASH are largely limited. Specific CD8+ T cell subsets may become activated through metabolic signals or cytokines. However, studies in NASH have not evaluated the impact of antigen presentation or the involvement of specific antigens. Therefore, we determined if activated CD8+ T cells are dependent on MHC class I expression in NASH to regulate fibrosis and inflammation.