Abstract
Human neurocysticercosis can cause mild or severe neurological symptoms or be completely asymptomatic. This heterogeneity may depend on host factors such as gender, age and immune-inflammatory response. The present study describes the specific peripheral immune response related to the different forms of neurocysticercosis in the adult population of both sexes. Asymptomatic cases (n = 26) mainly presented single calcified cysticerci in brain parenchyma or in the subarachnoid space of the sulci with a predominantly TH2 response (IL-4, IL-5, IL-13), high levels of IL-12 in supernatants of specifically stimulated peripheral blood mononuclear cells, and low plasma levels of all specific IgG subclasses. Symptomatic patients (n = 26) constituted a heterogeneous group, and had single or multiple cysticerci in vesicular, colloidal, calcified or mixed stages. This group showed parasites located in the subarachnoid space of the base and/or in the sulci, in the ventricular cavities, in parenchyma or in mixed locations. Symptomatic patients showed a depressed specific cellular immune response and increased levels of all specific IgG subclasses. This evidence supports the existence of two clear different immune profiles according to neurocys...Continue Reading
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