Tissue alarmins and adaptive cytokine induce dynamic and distinct transcriptional responses in tissue-resident intraepithelial cytotoxic T lymphocytes.
Alarmins
/ metabolism
Autoimmunity
Celiac Disease
/ etiology
Cytokines
/ metabolism
Gene Expression Profiling
Gene Expression Regulation
Humans
Inflammatory Bowel Diseases
/ etiology
Interleukin-15
/ metabolism
Intestinal Mucosa
/ immunology
Intraepithelial Lymphocytes
/ immunology
Promoter Regions, Genetic
T-Lymphocytes, Cytotoxic
/ immunology
Autoimmune disease
Cytotoxic T lymphocytes
IFNβ
IL-15
IL-21
Intraepithelial lymphocytes
Tissue-resident lymphocytes
Journal
Journal of autoimmunity
ISSN: 1095-9157
Titre abrégé: J Autoimmun
Pays: England
ID NLM: 8812164
Informations de publication
Date de publication:
03 2020
03 2020
Historique:
received:
10
11
2019
revised:
28
01
2020
accepted:
28
01
2020
pubmed:
9
2
2020
medline:
6
7
2021
entrez:
9
2
2020
Statut:
ppublish
Résumé
The respective effects of tissue alarmins interleukin (IL)-15 and interferon beta (IFNβ), and IL-21 produced by T cells on the reprogramming of cytotoxic T lymphocytes (CTLs) that cause tissue destruction in celiac disease is poorly understood. Transcriptomic and epigenetic profiling of primary intestinal CTLs showed massive and distinct temporal transcriptional changes in response to tissue alarmins, while the impact of IL-21 was limited. Only anti-viral pathways were induced in response to all the three stimuli, albeit with differences in dynamics and strength. Moreover, changes in gene expression were primarily independent of changes in H3K27ac, suggesting that other regulatory mechanisms drive the robust transcriptional response. Finally, we found that IL-15/IFNβ/IL-21 transcriptional signatures could be linked to transcriptional alterations in risk loci for complex immune diseases. Together these results provide new insights into molecular mechanisms that fuel the activation of CTLs under conditions that emulate the inflammatory environment in patients with autoimmune diseases.
Identifiants
pubmed: 32033836
pii: S0896-8411(20)30033-0
doi: 10.1016/j.jaut.2020.102422
pmc: PMC7049906
pii:
doi:
Substances chimiques
Alarmins
0
Cytokines
0
IL15 protein, human
0
Interleukin-15
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
102422Subventions
Organisme : NCI NIH HHS
ID : P30 CA014599
Pays : United States
Organisme : NIAID NIH HHS
ID : T32 AI007090
Pays : United States
Organisme : NIDDK NIH HHS
ID : R01 DK098435
Pays : United States
Organisme : NIDDK NIH HHS
ID : R01 DK067180
Pays : United States
Organisme : NIDDK NIH HHS
ID : P30 DK042086
Pays : United States
Informations de copyright
Copyright © 2020 The Authors. Published by Elsevier Ltd.. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of competing interest B. J. is an advisor to Immusan T, BIONIZ therapeutics and Actobio therapeutics.
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