Table 4. H. pylori- specific IgG1 titers in the serum of H. pylori (strain SS1)-infected mice infected for 3 months.

IgG1	WT	IL-17RA−/−	IL-17RB−/−
1	640	320	BD
2	40	320	40
3	20	320	20
4	40	640	20
5	20	>2560	BD
6	80	640	40
7	320	320	BD
8	>2560	1280	20
9	160	640	20
10	1280		BD
Average	516	782.2	16

(BD, below detection).