Fig. 4.
Immunotherapy of lymphoma-bearing mice with BsAb directed to Id, MHC II, or CD19 on the tumors.
Groups of 5 huCD64+ age-matched mice received a treatment schedule as shown in Figure 3. Treatment was as indicated: PBS (●); [huCD64 × CD19] (▵); [huCD64 × MHC II] (■); [huCD64 × Id] (○). Survival was recorded daily. In the A31 model all treatment modalities resulted in a statistically significant increase in survival over PBS-treated controls (P < .02), though only [huCD64 × Id] BsAb–treated cohorts showed long-term survival. Similar results were obtained in at least 3 similar experiments.