Innate Viral Receptor Signaling Determines Type 1 Diabetes Onset

Heritable susceptibility of the autoimmune disorder, type 1 diabetes (T1D), only partially equates for the incidence of the disease. Significant evidence attributes several environmental stressors, such as vitamin D deficiency, gut microbiome, dietary antigens, and most notably virus infections in t...

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Main Authors: Zachary J. Morse, Marc S. Horwitz
Format: Article
Language:English
Published: Frontiers Media S.A. 2017-09-01
Series:Frontiers in Endocrinology
Subjects:
Online Access:http://journal.frontiersin.org/article/10.3389/fendo.2017.00249/full
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author Zachary J. Morse
Marc S. Horwitz
author_facet Zachary J. Morse
Marc S. Horwitz
author_sort Zachary J. Morse
collection DOAJ
description Heritable susceptibility of the autoimmune disorder, type 1 diabetes (T1D), only partially equates for the incidence of the disease. Significant evidence attributes several environmental stressors, such as vitamin D deficiency, gut microbiome, dietary antigens, and most notably virus infections in triggering the onset of T1D in these genetically susceptible individuals. Extensive epidemiological and clinical studies have provided credibility to this causal relationship. Infection by the enterovirus, coxsackievirus B, has been closely associated with onset of T1D and is considered a significant etiological agent for disease induction. Recognition of viral antigens via innate pathogen-recognition receptors induce inflammatory events which contribute to autoreactivity of pancreatic self-antigens and ultimately the destruction of insulin-secreting beta cells. The activation of these specific innate pathways and expression of inflammatory molecules, including type I and III interferon, prime the immune system to elicit either a protective regulatory response or a diabetogenic effector response. Therefore, sensing of viral antigens by retinoic acid-inducible gene I-like receptors and toll-like receptors may be detrimental to inducing autoreactivity initiated by viral stress and resulting in T1D.
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spelling doaj.art-d3af9d19f638425a9158c79ff366e6dc2022-12-21T22:57:30ZengFrontiers Media S.A.Frontiers in Endocrinology1664-23922017-09-01810.3389/fendo.2017.00249295419Innate Viral Receptor Signaling Determines Type 1 Diabetes OnsetZachary J. Morse0Marc S. Horwitz1Department of Microbiology and Immunology, University of British Columbia, Vancouver, BC, CanadaDepartment of Microbiology and Immunology, University of British Columbia, Vancouver, BC, CanadaHeritable susceptibility of the autoimmune disorder, type 1 diabetes (T1D), only partially equates for the incidence of the disease. Significant evidence attributes several environmental stressors, such as vitamin D deficiency, gut microbiome, dietary antigens, and most notably virus infections in triggering the onset of T1D in these genetically susceptible individuals. Extensive epidemiological and clinical studies have provided credibility to this causal relationship. Infection by the enterovirus, coxsackievirus B, has been closely associated with onset of T1D and is considered a significant etiological agent for disease induction. Recognition of viral antigens via innate pathogen-recognition receptors induce inflammatory events which contribute to autoreactivity of pancreatic self-antigens and ultimately the destruction of insulin-secreting beta cells. The activation of these specific innate pathways and expression of inflammatory molecules, including type I and III interferon, prime the immune system to elicit either a protective regulatory response or a diabetogenic effector response. Therefore, sensing of viral antigens by retinoic acid-inducible gene I-like receptors and toll-like receptors may be detrimental to inducing autoreactivity initiated by viral stress and resulting in T1D.http://journal.frontiersin.org/article/10.3389/fendo.2017.00249/fulltype 1 diabetesautoimmunityinnate immunitytoll-like receptorsRIG-I-like receptorsMDA5
spellingShingle Zachary J. Morse
Marc S. Horwitz
Innate Viral Receptor Signaling Determines Type 1 Diabetes Onset
Frontiers in Endocrinology
type 1 diabetes
autoimmunity
innate immunity
toll-like receptors
RIG-I-like receptors
MDA5
title Innate Viral Receptor Signaling Determines Type 1 Diabetes Onset
title_full Innate Viral Receptor Signaling Determines Type 1 Diabetes Onset
title_fullStr Innate Viral Receptor Signaling Determines Type 1 Diabetes Onset
title_full_unstemmed Innate Viral Receptor Signaling Determines Type 1 Diabetes Onset
title_short Innate Viral Receptor Signaling Determines Type 1 Diabetes Onset
title_sort innate viral receptor signaling determines type 1 diabetes onset
topic type 1 diabetes
autoimmunity
innate immunity
toll-like receptors
RIG-I-like receptors
MDA5
url http://journal.frontiersin.org/article/10.3389/fendo.2017.00249/full
work_keys_str_mv AT zacharyjmorse innateviralreceptorsignalingdeterminestype1diabetesonset
AT marcshorwitz innateviralreceptorsignalingdeterminestype1diabetesonset