Document Detail

Histamine in late asthmatic reactions following house-dust mite inhalation.
MedLine Citation:
PMID:  4013914     Owner:  NLM     Status:  MEDLINE    
In order to investigate the role of histamine in the late asthmatic reaction (LAR) following house-dust mite (HDM) inhalation, we studied, with hourly intervals, urinary N tau-methylhistamine (an important metabolite of histamine) in 14 allergic asthmatic patients before and after broncho provocation with HDM. Four patients showed an early asthmatic reaction (EAR), while 10 patients developed a LAR as well. In the hour following the EAR a significant increase in urinary N tau-methylhistamine was observed as compared to the control day (0.01 less than p less than 0.05). During the LAR no increase of this metabolite was detected in the urine of the patients. Additionally, histamine was measured in broncho alveolar lavage fluid (BAF) obtained from 6 patients during the HDM-provoked LAR and compared to histamine levels in BAF from patients without a LAR, following broncho provocation. In the LAR group higher histamine levels were found than in the other patient and control groups. For the whole patient group no correlation was found between the degree of bronchial obstruction during the LAR and the BAF histamine values. No difference was found in N tau-methylhistamine in BAF between patients with LAR and controls. Thus histamine metabolite studies in the urine failed to provide evidence of involvement of histamine in the LAR, while further data are needed to interpret the results of local sampling in the lung.
J G de Monchy; J J Keyzer; H F Kauffman; F Beaumont; K de Vries
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Agents and actions     Volume:  16     ISSN:  0065-4299     ISO Abbreviation:  Agents Actions     Publication Date:  1985 Apr 
Date Detail:
Created Date:  1985-08-14     Completed Date:  1985-08-14     Revised Date:  2006-04-19    
Medline Journal Info:
Nlm Unique ID:  0213341     Medline TA:  Agents Actions     Country:  SWITZERLAND    
Other Details:
Languages:  eng     Pagination:  252-5     Citation Subset:  IM    
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MeSH Terms
Asthma / metabolism*
Bronchial Provocation Tests*
Histamine / metabolism*
Methylhistamines / urine
Reg. No./Substance:
0/Dust; 0/Methylhistamines; 51-45-6/Histamine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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