Skip to main content
. 2002 Jul;70(7):3324–3329. doi: 10.1128/IAI.70.7.3324-3329.2002

TABLE 1.

Duration of anti-B. melitensis LPS IgG in mouse sera after intranasal immunization with B. melitensis LPS-GBOMP vaccinea

Vaccine dose Time (wk) after vaccine dose OD units (mean ± SD)b
IgG IgG1 IgG2a IgG2b IgG3
First 2 348 ± 273 183 ± 197 30 ± 20 33 ± 37 92 ± 73
4 1,365 ± 464 988 ± 290 57 ± 43 73 ± 16 367 ± 143
Second 2 27,332 ± 14,980 22,341 ± 10,983 217 ± 113 385 ± 322 2,111 ± 829
4 25,373 ± 9,477 23,805 ± 9,529 461 ± 217 288 ± 92 1,413 ± 393
8 27,267 ± 13,358 19,620 ± 8,363 470 ± 412 274 ± 145 1,257 ± 494
12 26,675 ± 11,290 21,136 ± 6,902 194 ± 134 215 ± 78 1,075 ± 483
16 23,830 ± 13,527 21,756 ± 14,270 245 ± 179 318 ± 90 1,031 ± 450
19 7,314 ± 4,801 6,387 ± 3,094 298 ± 163 20 ± 5 507 ± 163
21 10,564 ± 6,439 11,896 ± 8,166 193 ± 84 20 ± 7 591 ± 266
25 8,633 ± 3,723 7,740 ± 2,942 176 ± 188 15 ± 6 412 ± 267
a

Mice were immunized twice intranasally 4 weeks apart with B. melitensis LPS-GBOMP vaccine. Sera were collected at the times indicated for ELISA.

b

Data are for 10 animals at each time point. Negative control sera run simultaneously in these assays had titers of less than 1 OD unit.