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Inhaled natural human interferon alpha induces bronchospastic reactions in asthmatics
M Krasnowska1, J Małolepszy, E Liebhart
1Department of Internal Disease and Allergology, University Medical School, Wrocław, Poland.
Archivum Immunologiae Et Therapiae Experimentalis
|January 1, 1992
Abstract:
There is a relationship between viral infection and aggravation of bronchial asthma symptoms. Viruses belong to the strongest and fast acting inducers of interferon (IFN), which, in turn, may enhance histamine release from effector cells. We have administered IFN intrabronchially to 49 patients suffering from bronchial asthma. The impairment of lung ventilation with significant decrease of forced expiratory volume in one second (FEV1) have been observed in majority of the patients who inhaled crude or purified IFN preparations.