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innate immune response

NOT Open Access | Plasmodium yoelii Uses a TLR3-Dependent Pathway to Achieve Mammalian Host Parasitism

November 7, 2020 - 13:02 -- NOT Open Access
Author(s): 
Keswani T, Delcroix-Genete D, Herbert F, Leleu I, Lambert C, Draheim M, Salome-Desnoulez S, Saliou JM, Cazenave PA, Silvie O, Roland J, Pied S
Reference: 
J Immunol. 2020 Nov 4:ji1901317

Malaria is associated with complicated immunopathogenesis. In this study, we provide evidence for an unexpected role of TLR3 in promoting the establishment of Plasmodium yoelii infection through delayed clearance of parasitemia in wild type C57BL/6jRj (B6) compared with TLR3 knockout mice. In this study, we confirmed an increased expression of Tlr3, Trif, Tbk1, and Irf7/Irf3 in the liver 42 h postinfection and the initiation of an early burst of proinflammatory response such as Ifng, NF-kB, and Tnfa in B6 mice that may promote parasite fitness.

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