Article: Cytolysis of eosinophils in nasal secretions

It is still unknown how eosinophils degranulate in nasal mucus. Currently, cytolysis is being reevaluated as the mode of degranulation of eosinophils in allergic nasal mucosa. To examine whether eosinophils migrating to the nasal mucus degranulate by cytolysis, we sampled nasal mucus from 9 patients with nasal allergy and observed it under electron and light microscopes. Both intact and necrotic eosinophils were observed in the nasal mucus. Although the total eosinophil count in the nasal mucus was not correlated with the frequency of sneezes, there was a significant correlation (p = .0025) between the rate of eosinophil lysis and the frequency of sneezes. Whereas extracellular release of ...

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