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NF-kappaB1 contributes to T cell-mediated control of Toxoplasma gondii in the CNS.


ABSTRACT: In this study, the role of NF-kappaB1 was examined during toxoplasmosis. While wildtype BALB/c mice generated protective responses, NF-kappaB1(-/-) mice developed Toxoplasmic encephalitis, characterized by increased parasite burden and necrosis in the brain. Susceptibility was primarily associated with a local decrease in the number of CD8(+) T cells and IFN-gamma production, while accessory cell function appeared intact in NF-kappaB1(-/-) mice. Consistent with these findings, T cell transfer studies revealed that NF-kappaB1(-/-) T cells provided SCID mice less protection than wildtype T cells. These results demonstrate an intrinsic role for NF-kappaB1 in T cell-mediated immunity to Toxoplasmagondii.

SUBMITTER: Harris TH 

PROVIDER: S-EPMC2860689 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature

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NF-kappaB1 contributes to T cell-mediated control of Toxoplasma gondii in the CNS.

Harris Tajie H TH   Wilson Emma H EH   Tait Elia D ED   Buckley Marie M   Shapira Sagi S   Caamano Jorge J   Artis David D   Hunter Christopher A CA  

Journal of neuroimmunology 20100213 1-2


In this study, the role of NF-kappaB1 was examined during toxoplasmosis. While wildtype BALB/c mice generated protective responses, NF-kappaB1(-/-) mice developed Toxoplasmic encephalitis, characterized by increased parasite burden and necrosis in the brain. Susceptibility was primarily associated with a local decrease in the number of CD8(+) T cells and IFN-gamma production, while accessory cell function appeared intact in NF-kappaB1(-/-) mice. Consistent with these findings, T cell transfer st  ...[more]

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