Allergies

Research from National Institute of Allergy and Infectious Diseases yields new data on allergies

Published in Health Risk Factor Week, September 16th, 2008

According to a study from the United States, "Infection with the obligate intracellular protozoan Leishmania is thought to be initiated by direct parasitization of macrophages, but the early events following transmission to the skin by vector sand flies have been difficult to examine directly."

"Using dynamic intravital microscopy and flow cytometry, we observed a rapid and sustained neutrophilic infiltrate at localized sand fly bite sites. Invading neutrophils efficiently captured Leishmania major ( L. m.) parasites early after sand fly transmission or needle inoculation, but phagocytosed L. m. remained viable and infected neutrophils efficiently initiated infection,"...

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Source: Health Risk Factor Week (2008-09-16)

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