Table 2

Enhancement of anti-HEL IgG antibody production by DEP administered after immunization with HEL

DurationAnti-HEL IgG Antibody (A405)
PBSDEP
Days −5 to −10.51  ± 0.040.53  ± 0.06
Days 0 to 50.47  ± 0.060.62  ± 0.07
Days 0 to 100.56  ± 0.060.88  ± 0.072-a
Days 0 to 200.50  ± 0.041.22  ± 0.092-a
  • Daily mice were given PBS or 1 mg of DEP orally on the indicated days before or after immunization with HEL on day 0. Serum samples were collected on day 21 and assayed for anti-HEL IgG antibodies by ELISA as described in “Materials and Methods.” Values are shown as mean ± S.E.M. of five mice.

  • 2-a P < .05 vs. PBS (Student’s ttest).