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Titolo:
ALLERGIC BRONCHIAL-ASTHMA - EOSINOPHIL CHEMOTAXIS AND ANTIHISTAMINIC DRUG MODULATION
Autore:
VENTURA MT; CASALE G; CENCI L; TURSI A;
Indirizzi:
IST MED CLIN,CATTEDRA IMMUNOL CLIN & ALLERGOL,PIAZZA G CESARE POLICLIN I-70124 BARI ITALY UNIV BARI,DEPT ALLERGOL & CLIN IMMUNOL BARI ITALY
Titolo Testata:
Allergy
fascicolo: 11, volume: 51, anno: 1996,
pagine: 777 - 781
SICI:
0105-4538(1996)51:11<777:AB-ECA>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
PLASMA HISTAMINE; HYPERREACTIVITY; ACTIVATION; CHALLENGE; ASSAY;
Keywords:
ASTHMA; CHEMOTAXIS; HISTAMINE; HUMAN EOSINOPHILS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
M.T. Ventura et al., "ALLERGIC BRONCHIAL-ASTHMA - EOSINOPHIL CHEMOTAXIS AND ANTIHISTAMINIC DRUG MODULATION", Allergy, 51(11), 1996, pp. 777-781

Abstract

This paper investigated the chemotactic capacity of blood eosinophils(EOS) in response to C5a and formyl-leucyl-phenylalanine (FMLP) in 15Parietaria-pollen-allergic patients with mild asthma during the Parietaria pollen season. Data showed that EOS chemotaxis toward C5a was significantly reduced during the peak pollen count, compared with the values obtained in normal subjects. On the other hand, FMLP could induceEOS chemotactic activity only in Parietaria-allergic patients, the highest value being registered during the height of the Parietaria season. In vitro cimetidine modulation of chemotactic function in comparison with C5a led to a recovery of the impaired results obtained in the presence of high histamine levels. Moreover, diphenhydramine preincubation of EOS induced a reduction of the enhanced chemotactic activity obtained with low concentrations. The data suggest that different serum histamine levels give rise to an impaired immune-phlogistic response in allergic patients and that histamine-receptor antagonists may modulate this effect.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 16/07/20 alle ore 18:49:14