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  • Cross-immunity experiments between different species or strains of Leishmania in rhesus macaques (Macaca mulatta).

Cross-immunity experiments between different species or strains of Leishmania in rhesus macaques (Macaca mulatta).

The American journal of tropical medicine and hygiene (2004-09-24)
Renato Porrozzi, Antonio Teva, Veronica F Amaral, Marcos V Santos da Costa, Gabriel Grimaldi
摘要

This study evaluates cross-immunity in rhesus monkeys (Macaca mulatta) previously infected with one species of Leishmania and have had self-cured disease or were cured by antimony-based therapy upon development of full-blown disease. We found that a self-healing cutaneous leishmaniasis (CL) following experimental infection with Leishmania (Leishmania) major induces significant protection for L. (L.) amazonensis and L. (Viannia) guyanensis, and was dependent on time of re-challenge by L (L.) amazonensis after animals had recovered from primary lesions, but lacked protection against L. (V.) braziliensis. In contrast, monkeys that recovered from L. (V.) braziliensis CL or L. (L.) chagasi visceral leishmaniasis following chemotherapeutic intervention were protected by challenge with L. (V.) braziliensis and L (L.) amazonensis. These findings indicate the relative variability in protection after self-cure or drug-cured experimental leishmaniasis to challenge by heterologous leishmanial parasites. Further studying the immune response may provide information regarding relevant factors influencing cross-protective immunity.

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Sigma-Aldrich
抗 猴 IgG(全分子)− 过氧化物酶 兔抗, affinity isolated antibody, buffered aqueous solution