Figure 4. Impact of Il4-hemizygosity on systemic versus intestinal allergic immune responses.
OVA/Alum immunised or naïve (unsensitised) C57BL/6J background mice were i.v. challenged with OVA then monitored for (A) rectal temperature, then (B) the maximum temperature change was determined. (C) BALB/c background mice were immunised i.p. with OVA/Alum four times then i.g. OVA challenged and monitored for diarrhoea. After ten i.g. challenges, (D) jejunal mast cell numbers and (E) serum mMCP-1 levels were determined. Data symbols show (A, B, D) mean + SD (C) group incidence or (E) geometric mean + geometric SD. Data shown (A, B) are combined from 2 experiments (n=4-10 mice/group) or (C-E) are from one experiment (n=3-4 mice/group). In (A, B) one IL-4G4/G4 mouse died at T=35. *p≤0.05, **p≤0.01, ***p≤0.001 by One-Way ANOVA with Tukey's post-test. Data in E were log-transformed prior to statistical analysis.