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. 2007 Oct;88(5):325–335. doi: 10.1111/j.1365-2613.2007.00534.x

Figure 3.

Figure 3

Kinetics of Toxoplasma gondii- or Myocoptes musculinus-specific IgG1 and IgG2a isotypes in serum samples from mono- or double-infected BALB/c mice. The animals were experimentally infested or not with M. musculinus 30 days prior infection with 10 cysts of the T. gondii ME-49 strain. On days 0, 7, 14 and 30 after T. gondii infection, serum levels of T. gondii-specific IgG1 (a), IgG2a (b), or M. musculinus-specific IgG1 (c) and IgG2a (d) were measured by ELISA. Mice infected with T. gondii alone presented significantly higher specific IgG1 and IgG2a levels on day 30 after T. gondii inoculation if compared with coinfected mice. Results are expressed as ELISA index (EI), where values of EI > 1.0 (horizontal dashed line) were considered positive. Data represent the mean and standard deviation obtained from three mice per each time point and are representative of at least two independent experiments that provided similar results. *Significantly different from values obtained for double-infected mice (Mann–Whitney U = 0.0; P = 0.0022; d.f. = 2).