Human Gene Set: RECHTIEN_PBMC_RVSV_ZEBOV_AGE_18_55YO_1DY_UP
Standard name
RECHTIEN_PBMC_RVSV_ZEBOV_AGE_18_55YO_1DY_UP
Systematic name
M40942
Brief description
Genes up-regulated in peripheral blood mononuclear cell 1d vs 0d in adults (18-55) after exposure to rVSV-ZEBOV , time point 1D
Full description or abstract
Predicting vaccine efficacy remains a challenge. We used a systems vaccinology approach to identify early innate immune correlates of antibody induction in humans receiving the Ebola vaccine rVSV-ZEBOV. Blood samples from days 0, 1, 3, 7, and 14 were analyzed for changes in cytokine levels, innate immune cell subsets, and gene expression. Integrative statistical analyses with cross-validation identified a signature of 5 early innate markers correlating with antibody titers on day 28 and beyond. Among those, IP-10 on day 3 and MFI of CXCR6 on NK cells on day 1 were independent correlates. Consistently, we found an early gene expression signature linked to IP-10. This comprehensive characterization of early innate immune responses to the rVSV-ZEBOV vaccine in humans revealed immune signatures linked to IP-10. These results suggest correlates of vaccine-induced antibody induction and provide a rationale to explore strategies for augmenting the effectiveness of vaccines through manipulation of IP-10.
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