Co-infection with Ascaris lumbricoides modulates protective immune responses against Giardia duodenalis in school Venezuelan rural children

I Hagel, M Cabrera, F Puccio, C Santaella, E Buvat… - Acta tropica, 2011 - Elsevier
We evaluated the effect of Ascaris lumbricoides on Giardia duodenalis infection and
TH1/TH2 type immune mechanisms toward this parasite in 251 rural parasitized and 70
urban non-parasitized school children. The children were classified according to light (0–
5000eggs/gfaeces) or moderate (> 5001–50,000 eggs/gfaeces) A. lumbricoides infection.
Anti G. duodenalis skin hyper-reactivity, IgE, IgG, IL-13, IFN γ, IL6 and IL-10 levels were
compared among G. duodenalis infected and non-infected children according to light or …