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Table 1 Immunization schedule of the study

From: Immunization with HIV protease peptides linked to syngeneic erythrocytes

Groups Adjuvant/Carrier1 Immunogens Amounts Site of injection1 Symbol used in Figure 1
PR75–84 wt IFA VLVGPTPVNI 4 × 50 μg s.c Downward pointing triangle
PR75–84 d.mut IFA VLVGPTPF NV 4 × 50 μg s.c Black filled Diamond
PR75–84 d.mut low2 - VLVGPTPF NV 4 × 5 μg s.c Blue open Diamond
RBC-PR75–84 wt RBC VLVGPTPVNI biotinylated to synergeneic erythrocytes 2 × 5 ng3 + 2 × 12.5 ng4 i.p Square
RBC-PR75–84 d.mut RBC VLVGPTPF NV biotinylated to syngeneic erythrocytes 2 × 5 ng3 + 2 × 12.5 ng4 i.p Triangle
RBCempty RBC Biotinylated syngeneic erythrocytes 3 × 200 μl + 1 × 500 μl blood i.p Circle
Untreated - - - - Cross
  1. 1 IFA = Incomplete Freunds adjuvant; RBC = Red blood cell; s.c = subcutaneous; i.p = intraperitoneal
  2. 2A parallel study
  3. 3 Corresponds to 200 μl blood
  4. 4 Corresponds to 500 μl blood