Dr. Murai Éva - Gubányi András szerk.: Parasitologia Hungarica 31. (Budapest, 1998)

100-, Fig. 1. Course of parasitaemia in mice immunized with total parasite and various sediments of Plasmodium berghei and subsequently challenged with 1 x 10

6 P. berghei infected red cells. Bar represents mean standard deviation (STD). (•) Placebo controls, (O ) HOM-total parasite homogenate, (x)SI sediment of P. berghei after centrifugation of Horn at 600 g for 15 min. and (A ) Sill sediment of 24,000 g. SOOO-i SERA Fig. 3. Antimalarial antibody titre in immunized mice determined by indirect immunofluorescence assay • - prechallenge serum, M - postchallenge serum. A - reference malaria positive, B - HOM, C SI and D - SIII. OAYS Fig 2. Course of parasitaemia in mice immunized with SIII from P. berghei using saponin and Freund's complete (FCA) adjuvants and challenged with 1 x 10

6 P. berghei infected red cells. Bar represents mean STD. (•) normal control, (o) placebo control, (x) SIII - FCA, (A) Slll-saponin. Conrol Horn SI SB 0 K After 19 h Fig. 4. In vitro inhibition of invasion of erythrocytes by P. berghei in the presence of prechallenge sera from immunized mice. Bar represents mean STD. Results are mean of four experiments. • - ring, M • trophozoite, H - schizont.