The Japanese Journal of Pharmacology
Online ISSN : 1347-3506
Print ISSN : 0021-5198
ISSN-L : 0021-5198
Change in the Activity of the Cyclic AMP-Dependent Protein Kinase in Antigen-Stimulated Sensitized Mast Cells and Effect of Drugs Inhibiting Allergic Mediator Release
Motohiro KUROSAWAHiroshi MORIHiroichi NAGAIAkihide KODA
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1987 Volume 43 Issue 4 Pages 454-457

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Abstract

The activity of cyclic AMP-dependent protein kinase (protein kinase A) in the sensitized rat mast cell was decreased 2 min after antigen challenge when the histamine release exhibited a maximum. Drugs inhibiting allergic mediator release such as disodium cromoglycate, tranilast and theophylline significantly inhibited antigen-induced histamine release and reduced a decrease in the activity of protein kinase A. These results suggest that protein kinase A is involved in the histamine releasing process in the mast cell, and drugs inhibiting allergic mediator release cause their effects partially through the inhibition of protein kinase A.

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