I am investigating chemical immunotoxic potential in mice dermally exposed to a chemical for 10 consecutive days. Mice were then immunized with SRBC by tail injections of the antigen. Three days post injection spleens for Plaque Forming Assay and serum for evaluation of anti-SRBC IgM antibody levels were obtain.
I do see slight immunosupression in number of plaques in PFA but no drop in antibody level. Does this make sense and if not, please give me some input on why I fail.
Thank you