CD69 controls the uptake of L-tryptophan through LAT1-CD98 and AhR-dependent secretion of IL-22 in psoriasis

Sanchez-Madrid and colleagues show that CD69 associates with the amino acid transporter LAT1-CD98 to control the uptake of tryptophan and AhR-dependent secretion of IL-22 by skin γδ T cells. The activation marker CD69 is expressed by skin γδ T cells. Here we found that CD69 controlled the aryl hydro...

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Veröffentlicht in:Nature immunology 2016-08, Vol.17 (8), p.985-996
Hauptverfasser: Cibrian, Danay, Saiz, María Laura, de la Fuente, Hortensia, Sánchez-Díaz, Raquel, Moreno-Gonzalo, Olga, Jorge, Inmaculada, Ferrarini, Alessia, Vázquez, Jesús, Punzón, Carmen, Fresno, Manuel, Vicente-Manzanares, Miguel, Daudén, Esteban, Fernández-Salguero, Pedro M, Martín, Pilar, Sánchez-Madrid, Francisco
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container_end_page 996
container_issue 8
container_start_page 985
container_title Nature immunology
container_volume 17
creator Cibrian, Danay
Saiz, María Laura
de la Fuente, Hortensia
Sánchez-Díaz, Raquel
Moreno-Gonzalo, Olga
Jorge, Inmaculada
Ferrarini, Alessia
Vázquez, Jesús
Punzón, Carmen
Fresno, Manuel
Vicente-Manzanares, Miguel
Daudén, Esteban
Fernández-Salguero, Pedro M
Martín, Pilar
Sánchez-Madrid, Francisco
description Sanchez-Madrid and colleagues show that CD69 associates with the amino acid transporter LAT1-CD98 to control the uptake of tryptophan and AhR-dependent secretion of IL-22 by skin γδ T cells. The activation marker CD69 is expressed by skin γδ T cells. Here we found that CD69 controlled the aryl hydrocarbon receptor (AhR)-dependent secretion of interleukin 22 (IL-22) by γδ T cells, which contributed to the development of psoriasis induced by IL-23. CD69 associated with the aromatic-amino-acid-transporter complex LAT1-CD98 and regulated its surface expression and uptake of L-tryptophan (L-Trp) and the intracellular quantity of L-Trp-derived activators of AhR. In vivo administration of L-Trp, an inhibitor of AhR or IL-22 abrogated the differences between CD69-deficient mice and wild-type mice in skin inflammation. We also observed LAT1-mediated regulation of AhR activation and IL-22 secretion in circulating V γ 9 + γδ T cells of psoriatic patients. Thus, CD69 serves as a key mediator of the pathogenesis of psoriasis by controlling LAT1-CD98-mediated metabolic cues.
doi_str_mv 10.1038/ni.3504
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The activation marker CD69 is expressed by skin γδ T cells. Here we found that CD69 controlled the aryl hydrocarbon receptor (AhR)-dependent secretion of interleukin 22 (IL-22) by γδ T cells, which contributed to the development of psoriasis induced by IL-23. CD69 associated with the aromatic-amino-acid-transporter complex LAT1-CD98 and regulated its surface expression and uptake of L-tryptophan (L-Trp) and the intracellular quantity of L-Trp-derived activators of AhR. In vivo administration of L-Trp, an inhibitor of AhR or IL-22 abrogated the differences between CD69-deficient mice and wild-type mice in skin inflammation. We also observed LAT1-mediated regulation of AhR activation and IL-22 secretion in circulating V γ 9 + γδ T cells of psoriatic patients. 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The activation marker CD69 is expressed by skin γδ T cells. Here we found that CD69 controlled the aryl hydrocarbon receptor (AhR)-dependent secretion of interleukin 22 (IL-22) by γδ T cells, which contributed to the development of psoriasis induced by IL-23. CD69 associated with the aromatic-amino-acid-transporter complex LAT1-CD98 and regulated its surface expression and uptake of L-tryptophan (L-Trp) and the intracellular quantity of L-Trp-derived activators of AhR. In vivo administration of L-Trp, an inhibitor of AhR or IL-22 abrogated the differences between CD69-deficient mice and wild-type mice in skin inflammation. We also observed LAT1-mediated regulation of AhR activation and IL-22 secretion in circulating V γ 9 + γδ T cells of psoriatic patients. Thus, CD69 serves as a key mediator of the pathogenesis of psoriasis by controlling LAT1-CD98-mediated metabolic cues.</abstract><cop>New York</cop><pub>Nature Publishing Group US</pub><pmid>27376471</pmid><doi>10.1038/ni.3504</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-2392-1764</orcidid><oa>free_for_read</oa></addata></record>
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source MEDLINE; SpringerLink Journals; Nature Journals Online
subjects 13/31
45/77
631/250/249/1313/1758
692/420/256/2515
82/51
82/58
96/21
96/95
Amino Acid Transport System y+ - metabolism
Amino Acid Transport System y+L
Analysis
Animals
Antigens, CD - genetics
Antigens, CD - metabolism
Antigens, Differentiation, T-Lymphocyte - genetics
Antigens, Differentiation, T-Lymphocyte - metabolism
Biomedicine
Care and treatment
Cells, Cultured
Endocytosis
Fusion Regulatory Protein-1 - metabolism
Immunology
Infectious Diseases
Interleukin-22
Interleukin-23 - immunology
Interleukins
Interleukins - metabolism
Lectins, C-Type - genetics
Lectins, C-Type - metabolism
Mice
Mice, Inbred C57BL
Mice, Knockout
Psoriasis
Psoriasis - immunology
Receptors, Antigen, T-Cell, gamma-delta - metabolism
Receptors, Aryl Hydrocarbon - metabolism
Skin - immunology
Skin diseases
T cells
T-Lymphocyte Subsets - immunology
Th17 Cells - immunology
Tryptophan - metabolism
title CD69 controls the uptake of L-tryptophan through LAT1-CD98 and AhR-dependent secretion of IL-22 in psoriasis
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