Progress in allergy signal research on mast cells: up-regulation of histamine signal-related gene expression in allergy model rats.

Progress in allergy signal research on mast cells: up-regulation of histamine signal-related gene expression in allergy model rats. Research Abstract Details 

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Progress in allergy signal research on mast cells: up-regulation of histamine signal-related gene expression in allergy model rats. Abstract Text:

Hiroyuki Fukui,

Brown Norway allergy model rats sensitized to toluene 2,4-diisocyanate (TDI) were developed. Histamine H(1) receptor mRNA level was elevated in nasal mucosa of allergy model rats after the provocation with TDI, which was followed by H(1)-receptor up-regulation. Elevation of histamine H(1) receptor mRNA was partially suppressed by d-chlorpheniramine and olopatadine, antihistamines. Histamine induced increase in histamine H(1) receptor gene expression in vitro, and the protein kinase C-delta isoform was suggested to mediate the gene expression. On the other hand, elevation of histamine H(1) receptor mRNA was completely suppressed by dexamethasone in allergy model rats. Provocation with TDI also induced mRNA elevation of histidine decarboxylase, a sole histamine-forming enzyme, followed by the increase of both HDC activity and histamine content in nasal mucosa of allergy model rats. HDC mRNA elevation and increase in both HDC activity and histamine level were almost completely suppressed by dexamethasone. These observations suggest that histamine H(1) receptor up-regulation and increase in histamine level play an important role in allergy through the regulation of histamine signaling.

Progress in allergy signal research on mast cells: up-regulation of histamine signal-related gene expression in allergy model rats. Publishing Authors By Initials

H Fukui,

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Progress in allergy signal research on mast cells: up-regulation of histamine signal-related gene expression in allergy model rats. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of pharmacological sciences

VOLUME: 106

Page Numbers: 325-31

Journal Abbreviation: J. Pharmacol. Sci.

ISSN: 1347-8613

DAY: 24

MONTH: Mar

YEAR: 2008

Progress in allergy signal research on mast cells: up-regulation of histamine signal-related gene expression in allergy model rats. Information

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LANGUAGE: eng

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AFFILIATION: Department of Molecular Pharmacology, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan.

Country: Japan

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MEDLINETA: J Pharmacol Sci

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