ELISA of mouse sera at different time points after infection.

<p>Four mice were inoculated with UTI89 via either (A) transurethral catheterization or (B) IP injection. (A) Serum levels of SAA1/2 and SAA3 in mice were quantified by ELISA in sham inoculated animals and at 1, 4, and 14 d after UTI89 instillation into the bladder (UTI). SAA3 was not detected in these samples. (B) Substantially higher serum levels of SAA1/2 and SAA3 were detected 1 d after infection with UTI89 via IP injection. *, <i>p</i><0.05 relative to sham inoculated animals as determined by Student's <i>t</i> test. The mean +/− SD of triplicate experiments are shown.