Inverse Agonistic Activity of Antihistamines and Suppression of Histamine H1 Receptor Gene Expression
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- Mizuguchi Hiroyuki
- Department of Molecular Pharmacology, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan
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- Ono Shohei
- Department of Molecular Pharmacology, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan
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- Hattori Masashi
- Department of Molecular Pharmacology, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan
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- Fukui Hiroyuki
- Department of Molecular Pharmacology, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan
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抄録
Histamine H1 receptor (H1R) expression influences the severity of allergy symptoms. We examined the effect of inverse agonists on H1R gene expression. Two inverse agonists (carebastine and mepyramine), but not the neutral antagonist oxatomide, decreased inositol phosphate accumulation. The inverse agonists also decreased H1R gene expression and down-regulated H1R mRNA below basal expression, while basal H1R mRNA expression was maintained after oxatomide treatment. These results suggest that inverse agonists more potently alleviate allergy symptoms by not only inhibiting stimulus-induced up-regulation of H1R gene expression but also by suppressing basal histamine signaling through their inverse agonistic activity.
収録刊行物
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- Journal of Pharmacological Sciences
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Journal of Pharmacological Sciences 118 (1), 117-121, 2012
公益社団法人 日本薬理学会
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詳細情報
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- CRID
- 1390001205181477632
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- NII論文ID
- 10030454416
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- NII書誌ID
- AA11806667
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- ISSN
- 13478648
- 13478613
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- NDL書誌ID
- 023388153
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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
- NDL
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