Recombinant Mycobacterium bovis Bacillus Calmette-Guérin Secreting Merozoite Surface Protein 1 (MSP1) Induces Protection against Rodent Malaria Parasite Infection Depending on MSP1-stimulated Interferon γ and Parasite-specific Antibodies

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Recombinant Mycobacterium bovis Bacillus Calmette-Guérin Secreting Merozoite Surface Protein 1 (MSP1) Induces Protection against Rodent Malaria Parasite Infection Depending on MSP1-stimulated Interferon γ and Parasite-specific Antibodies

The merozoite surface protein 1 (MSP1) has emerged as a leading malaria vaccine candidate at the erythrocytic stage. Recombinant bacillus Calmette-Guérin (rBCG), which expressed a COOH-terminal 15-kD fragment of MSP1 of Plasmodium yoelii (MSP1-15) as a fusion protein with a secretory protein of Mycobacterium kansasii, was constructed. Immunization of mice with this rBCG induced a higher degree ...

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Plasmodium falciparum 19-kilodalton merozoite surface protein 1 (MSP1)-specific antibodies that interfere with parasite growth in vitro can inhibit MSP1 processing, merozoite invasion, and intracellular parasite development.

Merozoite surface protein 1 (MSP1) is a target for malaria vaccine development. Antibodies to the 19-kDa carboxy-terminal region referred to as MSP1(19) inhibit erythrocyte invasion and parasite growth, with some MSP1-specific antibodies shown to inhibit the proteolytic processing of MSP1 that occurs at invasion. We investigated a series of antibodies purified from rabbits immunized with MSP1(1...

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Protection by CD4 or CD8 T cells against pulmonary Mycobacterium bovis bacillus Calmette-Guérin infection.

Mice deficient in CD8 T cells demonstrated levels of Th1 cytokines and granulomatous responses in the lungs very similar to those demonstrated by normal control mice and were fully capable of controlling pulmonary mycobacterial infection by Mycobacterium bovis BCG as assessed at day 37 postinfection. In comparison, mice deficient in CD4 T cells had similar levels of interleukin-12 (IL-12) and t...

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Potent in vivo anti-malaria activity of Goniothalamin against rodent malaria parasite infection in mice

Goniothalamin was evaluated for its anti-malaria activity in-vivo, using the 4-Day Suppressive Test (Peters & Robinson, 1975). The test were carried out against two strains of rodent malaria parasites, the sensitive strain P. berghei ANKA (MRA 311) strain and the resistant strain P. yoelii (MRA 312). An Initial screening was carried out using a single dose of 10 mg/kg body weight administered s...

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Potent in vivo anti-malaria activity of Goniothalamin against rodent malaria parasite infection in mice

Goniothalamin was evaluated for its anti-malaria activity in-vivo, using the 4-Day Suppressive Test (Peters & Robinson, 1975). The test were carried out against two strains of rodent malaria parasites, the sensitive strain P. berghei ANKA (MRA 311) strain and the resistant strain P. yoelii (MRA 312). An Initial screening was carried out using a single dose of 10 mg/kg body weight administered s...

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ژورنال

عنوان ژورنال: Journal of Experimental Medicine

سال: 1998

ISSN: 0022-1007,1540-9538

DOI: 10.1084/jem.188.5.845