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. 2018 Nov 9;9:2535. doi: 10.3389/fimmu.2018.02535

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Copyright © 2018 Gazzinelli-Guimarães, Gazzinelli-Guimarães, Nogueira, Oliveira, Barbosa, Amorim, Cardoso, Kraemer, Caliari, Akamatsu, Ho, Jones, Weatherhead, Bottazzi, Hotez, Zhan, Bartholomeu, Russo, Bueno and Fujiwara.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Passive transfer of IgG antibodies protects mice against Ascaris suum infection. Anti-A. suum IgG antibodies purified through protein A affinity columns were administered to BALB/c mice. (A) Experimental design for the passive transfer of anti-Ascaris IgG antibodies. (B) Number of larvae recovered in the lung tissue of mice after 8 days of infection. Statistically significant differences (p < 0.05) were plotted compared to the control group MPLA in which ^***p < 0.001.