Failure to Find an Association between CD14-159C/T Polymorphism and Asthma: A Family-based Association Test and Meta-analysis
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- Nishimura Fumichika
- Department of Medical Genetics, Graduate School of Comprehensive Human Sciences, University of Tsukuba
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- Shibasaki Masanao
- Department of Pediatrics, Tsukuba College of Technology
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- Ichikawa Kunio
- Tsukuba Memorial Hospital
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- Arinami Tadao
- Department of Medical Genetics, Graduate School of Comprehensive Human Sciences, University of Tsukuba
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- Noguchi Emiko
- Department of Medical Genetics, Graduate School of Comprehensive Human Sciences, University of Tsukuba
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Background: CD14 is an essential component of the receptor for lipopolysaccharide (LPS) . LPS stimulates T-helper type 1 (Th1) cytokine expression, potentially suppressing Th2 immune responses involved in IgE-mediated allergic diseases. Previous studies have reported that -159C/T, a promoter polymorphism of CD14, is associated with total serum IgE levels and atopy, but other studies have shown conflicting results.<br> Methods: To examine possible associations of CD14 polymorphisms with asthma susceptibility, we performed transmission disequilibrium tests (TDTs) of 137 Japanese families identified through children with atopic asthma.<br> Results: We found no association between -159C/T polymorphism and asthma (p= 0.37). Quantitative TDT and ANOVA showed no association between the -159C/T genotype and total serum IgE levels. We also performed a meta-analysis of data from all available studies. Neither a fixed-effects model nor a random-effect model showed a significant odds ratio for the -159C/T polymorphism (p > 0.1).<br> Conclusions: Our data indicate that CD14 does not contribute substantially to susceptibility to asthma. Further studies examining both genotypes and environmental factors will be necessary to elucidate the role of CD14 in the development of allergic diseases.<br>
収録刊行物
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- Allergology International
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Allergology International 55 (1), 55-58, 2006
一般社団法人日本アレルギー学会
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詳細情報 詳細情報について
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- CRID
- 1390001204633886848
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- NII論文ID
- 130004476882
- 10020557549
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- NII書誌ID
- AA11091750
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- ISSN
- 14401592
- 13238930
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- 使用不可