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Enterovirus Exposure Uniquely Discriminates Type 1 Diabetes Patients with a Homozygous from a Heterozygous Melanoma Differentiation-Associated Protein 5/Interferon Induced with Helicase C Domain 1 A946T Genotype.
Schulte, Barbara M; Gielen, Paul R; Kers-Rebel, Esther D; Prosser, Amy C; Lind, Katharina; Flodström-Tullberg, Malin; Tack, Cees J; Elving, Lammy D; Adema, Gosse J.
Afiliación
  • Schulte BM; 1 Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center , Nijmegen, the Netherlands .
  • Gielen PR; 1 Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center , Nijmegen, the Netherlands .
  • Kers-Rebel ED; 1 Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center , Nijmegen, the Netherlands .
  • Prosser AC; 1 Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center , Nijmegen, the Netherlands .
  • Lind K; 2 Department of Medicine HS, Karolinska Institutet , The Center for Infectious Medicine, Stockholm, Sweden .
  • Flodström-Tullberg M; 2 Department of Medicine HS, Karolinska Institutet , The Center for Infectious Medicine, Stockholm, Sweden .
  • Tack CJ; 3 Department of Internal Medicine, Radboud University Medical Center , Nijmegen, the Netherlands .
  • Elving LD; 3 Department of Internal Medicine, Radboud University Medical Center , Nijmegen, the Netherlands .
  • Adema GJ; 1 Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center , Nijmegen, the Netherlands .
Viral Immunol ; 29(7): 389-97, 2016 09.
Article en En | MEDLINE | ID: mdl-27482829
In children at risk for type 1 diabetes, innate immune activity is detected before seroconversion. Enterovirus infections have been linked to diabetes development, and a polymorphism (A946T) in the innate immune sensor recognizing enterovirus RNA, interferon-induced with helicase C domain 1/melanoma differentiation-associated protein 5, predisposes to disease. We hypothesized that the strength of innate antienteroviral responses is affected in autoimmune type 1 diabetes patients and linked to the A946T polymorphism. We compared induction of interferon-stimulated genes (ISGs) in peripheral blood mononuclear cells (PBMCs) and dendritic cells (DCs) in healthy individuals and diabetes patients upon stimulation with enterovirus, enterovirus-antibody complexes, or ligands mimicking infection in relation to the A946T polymorphism. Overall, PBMCs of diabetes patients and healthy donors showed comparable ISG induction upon stimulation. No differences were observed in DCs. Interestingly, the data imply that the magnitude of responses to enterovirus and enterovirus-antibody complexes in PBMCs is critically influenced by the A946T polymorphism and elevated in heterozygotes compared to TT homozygous individuals in autoimmune diabetes patients, but not healthy controls. These data imply an intrinsic difference in the responses to enterovirus and enterovirus-antibody complexes in diabetes patients carrying a TT risk genotype compared to heterozygotes that may influence control of enterovirus clearance.
Asunto(s)

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Leucocitos Mononucleares / Enterovirus / Diabetes Mellitus Tipo 1 / Helicasa Inducida por Interferón IFIH1 / Genotipo Tipo de estudio: Prognostic_studies / Risk_factors_studies Límite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Viral Immunol Asunto de la revista: ALERGIA E IMUNOLOGIA / VIROLOGIA Año: 2016 Tipo del documento: Article País de afiliación: Países Bajos Pais de publicación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Leucocitos Mononucleares / Enterovirus / Diabetes Mellitus Tipo 1 / Helicasa Inducida por Interferón IFIH1 / Genotipo Tipo de estudio: Prognostic_studies / Risk_factors_studies Límite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Viral Immunol Asunto de la revista: ALERGIA E IMUNOLOGIA / VIROLOGIA Año: 2016 Tipo del documento: Article País de afiliación: Países Bajos Pais de publicación: Estados Unidos