Genetic defects in downregulation of IgE production and a new genetic classification of atopy

Atopic disorders, such as asthma, eczema and rhinitis, develop due to the interactions between genetic and environmental factors. Atopy is characterized by enhanced IgE responses to environmental antigens. The production of IgE is upregulated by Th2 cytokines, in particular interleukin (IL)-4, and d...

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Main Authors: Naomi Kondo, Eiko Matsui, Hideo Kaneko, Zenichiro Kato, Toshiyuki Fukao, Takahide Teramoto, Hiroaki Shikano, Minako Aoki, Hidenori Onishi, Koji Tatebayashi, Kentaro Omoya, Masashi Kondo, Eiji Matsukuma, Kimiko Kasahara, Naoko Morimoto
Format: Article
Language:English
Published: Elsevier 2004-01-01
Series:Allergology International
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Online Access:http://www.sciencedirect.com/science/article/pii/S1323893015311011
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author Naomi Kondo
Eiko Matsui
Hideo Kaneko
Zenichiro Kato
Toshiyuki Fukao
Takahide Teramoto
Hiroaki Shikano
Minako Aoki
Hidenori Onishi
Koji Tatebayashi
Kentaro Omoya
Masashi Kondo
Eiji Matsukuma
Kimiko Kasahara
Naoko Morimoto
author_facet Naomi Kondo
Eiko Matsui
Hideo Kaneko
Zenichiro Kato
Toshiyuki Fukao
Takahide Teramoto
Hiroaki Shikano
Minako Aoki
Hidenori Onishi
Koji Tatebayashi
Kentaro Omoya
Masashi Kondo
Eiji Matsukuma
Kimiko Kasahara
Naoko Morimoto
author_sort Naomi Kondo
collection DOAJ
description Atopic disorders, such as asthma, eczema and rhinitis, develop due to the interactions between genetic and environmental factors. Atopy is characterized by enhanced IgE responses to environmental antigens. The production of IgE is upregulated by Th2 cytokines, in particular interleukin (IL)-4, and downregulated by Th1 cytokines, in particular interferon (IFN)-γ. In the present review, we present the genetic factors responsible for IgE production and genetic defects in the downregulation (brake) of IgE production, especially in terms of IL-12 and IL-18 signaling, mutations of the IL-12 receptor β2 chain gene and mutations of the IL-18 receptor α chain gene in atopy. Moreover, we newly present a genetic classification of atopy. There are four categories of genes that control the expression of allergic disorders, which include: (i) antigen recognition; (ii) IgE production (downregulation=brake; and upregulation); (iii) the production and release of mediators; and (iv) events on target organs. In the near future, this genetic classification will facilitate the development of tailor-made treatment.
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spelling doaj.art-e0b455618a5145f6b6f244332fe5dd492022-12-21T18:26:33ZengElsevierAllergology International1323-89302004-01-01532778510.1111/j.1440-1592.2004.00326.xGenetic defects in downregulation of IgE production and a new genetic classification of atopyNaomi KondoEiko MatsuiHideo KanekoZenichiro KatoToshiyuki FukaoTakahide TeramotoHiroaki ShikanoMinako AokiHidenori OnishiKoji TatebayashiKentaro OmoyaMasashi KondoEiji MatsukumaKimiko KasaharaNaoko MorimotoAtopic disorders, such as asthma, eczema and rhinitis, develop due to the interactions between genetic and environmental factors. Atopy is characterized by enhanced IgE responses to environmental antigens. The production of IgE is upregulated by Th2 cytokines, in particular interleukin (IL)-4, and downregulated by Th1 cytokines, in particular interferon (IFN)-γ. In the present review, we present the genetic factors responsible for IgE production and genetic defects in the downregulation (brake) of IgE production, especially in terms of IL-12 and IL-18 signaling, mutations of the IL-12 receptor β2 chain gene and mutations of the IL-18 receptor α chain gene in atopy. Moreover, we newly present a genetic classification of atopy. There are four categories of genes that control the expression of allergic disorders, which include: (i) antigen recognition; (ii) IgE production (downregulation=brake; and upregulation); (iii) the production and release of mediators; and (iv) events on target organs. In the near future, this genetic classification will facilitate the development of tailor-made treatment.http://www.sciencedirect.com/science/article/pii/S1323893015311011atopyIgE production downregulationinterferon-yinterleukin-12 receptor 02interleukin-18 receptor a
spellingShingle Naomi Kondo
Eiko Matsui
Hideo Kaneko
Zenichiro Kato
Toshiyuki Fukao
Takahide Teramoto
Hiroaki Shikano
Minako Aoki
Hidenori Onishi
Koji Tatebayashi
Kentaro Omoya
Masashi Kondo
Eiji Matsukuma
Kimiko Kasahara
Naoko Morimoto
Genetic defects in downregulation of IgE production and a new genetic classification of atopy
Allergology International
atopy
IgE production downregulation
interferon-y
interleukin-12 receptor 02
interleukin-18 receptor a
title Genetic defects in downregulation of IgE production and a new genetic classification of atopy
title_full Genetic defects in downregulation of IgE production and a new genetic classification of atopy
title_fullStr Genetic defects in downregulation of IgE production and a new genetic classification of atopy
title_full_unstemmed Genetic defects in downregulation of IgE production and a new genetic classification of atopy
title_short Genetic defects in downregulation of IgE production and a new genetic classification of atopy
title_sort genetic defects in downregulation of ige production and a new genetic classification of atopy
topic atopy
IgE production downregulation
interferon-y
interleukin-12 receptor 02
interleukin-18 receptor a
url http://www.sciencedirect.com/science/article/pii/S1323893015311011
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