Aire deficient mice develop multiple features of APECED phenotype and show altered immune response

Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) is a monogenic autosomal recessive disease caused by mutations in the AIRE gene. Here we have produced knock-out mice for the Aire gene. The Aire-/- mice develop normally; however, autoimmune features of APECED in Aire-/- mice a...

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Veröffentlicht in:Human molecular genetics 2002-02, Vol.11 (4), p.397-409
Hauptverfasser: Ramsey, Chris, Winqvist, Ola, Puhakka, Lea, Halonen, Maria, Moro, Aune, Kämpe, Olle, Eskelin, Petra, Pelto-Huikko, Markku, Peltonen, Leena
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container_end_page 409
container_issue 4
container_start_page 397
container_title Human molecular genetics
container_volume 11
creator Ramsey, Chris
Winqvist, Ola
Puhakka, Lea
Halonen, Maria
Moro, Aune
Kämpe, Olle
Eskelin, Petra
Pelto-Huikko, Markku
Peltonen, Leena
description Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) is a monogenic autosomal recessive disease caused by mutations in the AIRE gene. Here we have produced knock-out mice for the Aire gene. The Aire-/- mice develop normally; however, autoimmune features of APECED in Aire-/- mice are evident, including multiorgan lymphocytic infiltration, circulating autoantibodies and infertility. The distribution of B and T cells and thymic maturation as well as activation of T cells appear normal, while the TCR-Vbeta repertoire is altered in peripheral T cells of Aire-/- mice. When mice are challenged with immunization, the peripheral T cells of Aire-/- mice have a 3-5-fold increased proliferation. These findings suggest that the Aire gene is not necessary for normal T cell education and development, while a defect in immune response detected in challenged Aire-/- mice underlines the crucial role of AIRE/Aire in maintaining homeostatic regulation in the immune system.
doi_str_mv 10.1093/hmg/11.4.397
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source MEDLINE; Oxford University Press Journals All Titles (1996-Current); EZB-FREE-00999 freely available EZB journals
subjects Aire gene
AIRE Protein
Animals
Autoantibodies - blood
Autoantibodies - immunology
Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy
CD4-CD8 Ratio
Disease Models, Animal
Gene Targeting
Infertility - genetics
Mice
Mice, Knockout
Polyendocrinopathies, Autoimmune - genetics
Polyendocrinopathies, Autoimmune - immunology
Polyendocrinopathies, Autoimmune - pathology
T-Lymphocytes - immunology
T-Lymphocytes - physiology
Transcription Factors - genetics
Transcription Factors - immunology
Transcription Factors - physiology
title Aire deficient mice develop multiple features of APECED phenotype and show altered immune response
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