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Allergic Asthma

Salbutamol use may increase eosinophil CXCL8 production, asthmatic response

Published in Immunotherapy Weekly, October 1st, 2003

Regular salbutamol use may make eosinophil response to allergen stronger, increase airway inflammation via CXCL8/IL-8 increases in asthmatics.

"Regular salbutamol use can exacerbate allergen-induced airway eosinophilia in asthmatics, but its effect on airway eosinophil chemokine responses is unknown. Asthmatic subjects (n=14) were treated for 10 days with placebo or salbutamol in a double-blind, cross-over study, then given same-dose allergen challenges. Their sputa were then analyzed 1 and 7 h later for a panel of eosinophil-related cytokines," investigators in Canada report.

"Eosinophils from 5 test and 3 control subjects were tested for expression...

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