Publications by authors named "Gyada Bazurro"

The administration of a polyvalent mechanical bacterial lysate (PMBL) in elderly patients with COPD has been shown to reduce the number of exacerbation. This is largely related to the involvement of cells belonging to the innate and the adaptive immune system (including dendritic cells, granulocytes, T and B lymphocytes and NK cells) that actively cooperate inducing the production of specific opsonizing antibodies directed to the antigens of PMBL. We have evaluated the production of antibodies directed to respiratory and systemic pathogens in a group of elderly COPD patients, recruited in a clinical trial, ancillary to a larger multicenter double blind, placebo-controlled, parallel-designed clinical trial in which patients were randomized to daily receive either PMBL or placebo.

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The modifications of the subsets of circulating lymphocytes were evaluated in a group of patients with COPD undergoing treatment with a polyvalent mechanical bacterial lysate (PMBL), a drug that is able to significantly modify the natural history of these patients. Using multicolor immune-florescence and flow cytometry, T, B subsets and NK cells were extensively studied both in the group of treated patients and in a disease and age matched controls. Despite the age, in treated patients, T and NK cells were significantly increased in numbers of circulating cells, but not in percentages, while B cells remained unmodified.

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Background: It is well known that allergy evolves at clinical level from the birth to adulthood, and this has been clearly demonstrated also at a level of sensitization. However, little information is available on the evolution of the IgE repertoire directed to single allergenic components. In this cross-sectional, observational study, the evolution of the IgE repertoire was analysed at component level.

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