Tolerogenic Dendritic Cells from Poorly Compensated Type 1 Diabetes Patients Have Decreased Ability To Induce Stable Antigen-Specific T Cell Hyporesponsiveness and Generation of Suppressive Regulatory T Cells

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388971%3A_____%2F17%3A00474190" target="_blank" >RIV/61388971:_____/17:00474190 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11130/17:10360958 RIV/00064203:_____/17:10360958

Result on the web

<a href="http://dx.doi.org/10.4049/jimmunol.1600676" target="_blank" >http://dx.doi.org/10.4049/jimmunol.1600676</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.4049/jimmunol.1600676" target="_blank" >10.4049/jimmunol.1600676</a>

Result language

angličtina

Original language name

Tolerogenic Dendritic Cells from Poorly Compensated Type 1 Diabetes Patients Have Decreased Ability To Induce Stable Antigen-Specific T Cell Hyporesponsiveness and Generation of Suppressive Regulatory T Cells

Original language description

Tolerogenic dendritic cells (toIDCs) may offer an interesting intervention strategy to re-establish Ag-specific tolerance in autoimmune diseases, including type 1 diabetes (T1D). T1D results from selective destruction of insulin-producing beta cells leading to hyperglycemia that, in turn, specifically affects a patient's immune system. In this study, we prepared monocyte-derived toIDCs modulated by dexamethasone and vitamin D2 from 31 T1D patients with optimal glycemic control and 60 T1D patients with suboptimal glycemic control and assessed their tolerogenic properties in correlation with metabolic state of patients. toIDCs differentiated from both groups of patients acquired a regulatory phenotype and an anti-inflammatory profile. Interestingly, toIDCs from well-controlled patients expressed higher levels of inhibitory molecules IL-T3 and PD-L1. Additionally, glutamic acid decarboxylase (GAD) 65-loaded toIDCs from well-controlled patients decreased significantly primary Th1/Th17 responses, induced stable GAD65-specific T cell hyporesponsiveness, and suppressed markedly control DC-induced GAD65-specific T cell activation compared with poorly controlled patients. The ability of toIDCs from poorly controlled patients to induce durable GAD65-specific T cell hyporesponsiveness was reversed once the control of glycemia improved. In both groups of patients, toIDCs were able to induce regulatory T cells from autologous naive CD4(+) T cells. However, regulatory T cells from well-controlled patients had better suppressive abilities. The functionality of toIDCs was confirmed in the adoptive transfer model of NOD-SCID mice where toIDCs delayed diabetes onset. These results suggest that metabolic control of T1D affects the functional characteristics of toIDCs and subsequent effector T cell responses. Metabolic control may be relevant for refining inclusion criteria of clinical trials in the settings of T1D.

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10606 - Microbiology

Project

<a href="/en/project/GA15-24487S" target="_blank" >GA15-24487S: Immune mechanisms of gliadin/gluten in pathogenesis and prevention of type 1 diabetes: two immuno-preventive strategies for translation to humans.</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2017

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Immunology

ISSN

0022-1767

e-ISSN

—

Volume of the periodical

198

Issue of the periodical within the volume

2

Country of publishing house

US - UNITED STATES

Number of pages

12

Pages from-to

729-740

UT code for WoS article

000392405000022

EID of the result in the Scopus database

2-s2.0-85014641796