Key result
IFN-β deficiency in C57BL/6 mice resulted in 100% mortality by 8 days post-infection with the TMEV-DA strain, whereas wild-type mice were fully resistant.
Why the study?
To evaluate the role of IFN-β in neuroinfection using C57BL/6 IFN-β knockout mice infected with Theiler’s murine encephalomyelitis virus.
Absolute Event Rate: 0% vs 100%
p-value: p=<0.0001
Global IFN-β deficiency in C57BL/6 mice leads to fatal or demyelinating disease upon TMEV infection, but IFN-β produced by neuroectodermal cells is not critical for this resistance.
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IFN-β protects resistant mice from TMEV demyelination; leaves open any role in human CNS viral disease.
Bühler et al. (2022) studied Theiler's Murine Encephalomyelitis Virus (TMEV) infection (n=40). IFN-β deficiency (IFN-β-/- knockout) vs. Wild type C57BL/6 mice was evaluated on Survival after TMEV-DA infection (p=<0.0001). IFN-β deficiency in C57BL/6 mice resulted in 100% mortality by 8 days post-infection with the TMEV-DA strain, whereas wild-type mice were fully resistant.
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