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A microbially produced AhR ligand promotes a Tph1-driven tolerogenic program in multiple sclerosis
T. Zelante, G. Paolicelli, F. Fallarino, M. Gargaro, G. Vascelli, M. De Zuani, J. Fric, P. Laznickova, MH. Kohoutkova, A. Macchiarulo, D. Dolciami, G. Pieraccini, L. Gaetani, G. Scalisi, C. Trevisan, B. Frossi, C. Pucillo, A. De Luca, E. Nunzi,...
Jazyk angličtina Země Anglie, Velká Británie
Typ dokumentu časopisecké články
Grantová podpora
PGR13XNIDJ
The Italian Grant "Programma per Giovani Ricercatori - Rita Levi Montalcini 2013"
2018.0412.021
Italian Fondazione Cassa di Risparmio di Perugia
ERC-2011-AdG-293714
the Specific Targeted Research Project FunMeta
FISM 2019/R-single/012
Fondazione Italiana Sclerosi Multipla
16851
AIRC Investigator Grant
00023736
Ministry of Health of the Czech Republic, DRO Institute of Hematology and Blood Transfusion
LX22NPO5107
European Union
Free Medical Journals od 2011
Nature Open Access od 2011-12-01
PubMed Central od 2011
Europe PubMed Central od 2011
ProQuest Central od 2011-01-01
Open Access Digital Library od 2011-01-01
Open Access Digital Library od 2011-01-01
Health & Medicine (ProQuest) od 2011-01-01
ROAD: Directory of Open Access Scholarly Resources od 2011
Odkazy
PubMed
38509264
DOI
10.1038/s41598-024-57400-8
Knihovny.cz E-zdroje
- MeSH
- kynurenin metabolismus MeSH
- lidé MeSH
- ligandy MeSH
- receptory aromatických uhlovodíků metabolismus MeSH
- roztroušená skleróza * MeSH
- tryptofan * metabolismus MeSH
- tryptofanhydroxylasa metabolismus MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
Multiple sclerosis is a debilitating autoimmune disease, characterized by chronic inflammation of the central nervous system. While the significance of the gut microbiome on multiple sclerosis pathogenesis is established, the underlining mechanisms are unknown. We found that serum levels of the microbial postbiotic tryptophan metabolite indole-3-carboxaldehyde (3-IAld) inversely correlated with disease duration in multiple sclerosis patients. Much like the host-derived tryptophan derivative L-Kynurenine, 3-IAld would bind and activate the Aryl hydrocarbon Receptor (AhR), which, in turn, controls endogenous tryptophan catabolic pathways. As a result, in peripheral lymph nodes, microbial 3-IAld, affected mast-cell tryptophan metabolism, forcing mast cells to produce serotonin via Tph1. We thus propose a protective role for AhR-mast-cell activation driven by the microbiome, whereby natural metabolites or postbiotics will have a physiological role in immune homeostasis and may act as therapeutic targets in autoimmune diseases.
Center of Functional Genomics C U R Ge F University of Perugia 06132 Perugia Italy
Department of Medical and Biological Science University of Udine 33100 Udine Italy
Department of Medicine and Surgery University of Perugia Piazza Lucio Severi 1 06132 Perugia Italy
Department of Pharmaceutical Science University of Perugia 06132 Perugia Italy
Institute of Hematology and Blood Transfusion U Nemocnice 2094 1 128 20 Prague Czech Republic
International Clinical Research Centre St Anne's University Hospital Brno Brno Czech Republic
Interuniversity Consortium for Biotechnology 34149 Trieste Italy
Mass Spectrometry Center University of Florence 50139 Florence Italy
Unità di Neurologia Fondazione Policlinico Universitario Agostino Gemelli IRCCS Rome Italy
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- $a Multiple sclerosis is a debilitating autoimmune disease, characterized by chronic inflammation of the central nervous system. While the significance of the gut microbiome on multiple sclerosis pathogenesis is established, the underlining mechanisms are unknown. We found that serum levels of the microbial postbiotic tryptophan metabolite indole-3-carboxaldehyde (3-IAld) inversely correlated with disease duration in multiple sclerosis patients. Much like the host-derived tryptophan derivative L-Kynurenine, 3-IAld would bind and activate the Aryl hydrocarbon Receptor (AhR), which, in turn, controls endogenous tryptophan catabolic pathways. As a result, in peripheral lymph nodes, microbial 3-IAld, affected mast-cell tryptophan metabolism, forcing mast cells to produce serotonin via Tph1. We thus propose a protective role for AhR-mast-cell activation driven by the microbiome, whereby natural metabolites or postbiotics will have a physiological role in immune homeostasis and may act as therapeutic targets in autoimmune diseases.
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