Table 4.

Neutralizing antibodies generated by IIIB gp140‚ÄČimmunizationa

Animal no.ImmunogenNeutralizing antibody titer to:
SHIV-HXB2SHIV-89.6HIV-1 MNHIV-1 SF2
17951gp140424<102248
18001844<102344
18066313<10<1019
181021,315163348
18024None<20<10<10<10
18062<20<10<10<10
  • a Neutralizing antibody titers are given as the reciprocal serum dilution at which 50% of cells were protected from virus-induced killing. Serum was from week 26.