Proliferative response of peripheral blood lymphocytes to mitogens in the owl monkey Aotus nancymae |
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Authors: | Pinzón-Charry Alberto Vernot Jean Paul Rodríguez Raul Patarroyo Manuel Elkin |
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Institution: | Fundación Instituto de Immunología de Colombia, FIDIC, Universidad Nacional de Colombia, Bogotá, DC, Colombia. |
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Abstract: | The new world primate Aotus sp. has been recommended by the World Health Organization as a model for evaluation of malaria vaccine candidates, given its susceptibility to experimental infection with the human malaria parasites Plasmodium falciparum and P. vivax. The present study examined the in vitro proliferative response of peripheral blood mononuclear cells (PBMCs) isolated from Aotus monkeys, utilizing a wide range of mitogens. Results presented herein demonstrate that the in vitro proliferative response of PBMCs from the Aotus sp. is quite variable from monkey to monkey for each of the mitogens assessed. PBMCs from the Aotus monkey exhibited a delayed kinetic proliferative response and, particularly, a different sensitivity to proliferation in response to various concentrations of Phytohemagglutinin-P and favin lectins, the phorbol ester Phorbol myristate acetate and the calcium ionophore ionomycin. Altogether, our findings are consistent with the conclusion that the in vitro proliferative response of PBMCs from the Aotus differ in their activation requirements compared with PBMCs from humans. |
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Keywords: | cell surface lymphocyte malaria primates proliferation |
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