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HantavaxTM vaccinated peripheral blood mononuclear cells (PBMCs) and sera analyses by transcriptomic and metabolomic profilings

ABSTRACT: Purpose: To annotate vaccine-induced protective immunity following vaccination and identify the dynamics of enriched modules over time, and determine whether and how transcriptomics and metabolomics data correlates. charge ratio) within a range of ions set from 50 to 1,000 from mass spectral data. The data from triplicate run were averaged and statistically analysed using SIMCA 14.1 Results: Based on neutralizing antibody titers, subjects were subsequently classified into three groups; non responders (NRs), low responders (LRs) and high responders (HRs). Post vaccination differentially expressed genes (DEGs) associated with innate immunity and cytokine pathways were highly upregulated. DEG analysis revealed a significant induction of CD69 expression in the HRs. High resolution metabolomics (HRM) analysis showed that correlated to the antibody response, cholesteryl nitrolinoleate and octanoyl-carnitine were significantly elevated in HRs, while chenodeoxycholic acid and methyl palmitate were upregulated in NRs and LRs, but not HRs. Additionally, gene-metabolite interaction revealed upregulated gene-metabolite couplings in, folate biosynthesis, nicotinate and nicotinamide, arachidonic acid, thiamine and pyrimidine metabolism in a dose dependent manner in HR group. Conclusions: Our data provide new insight into the underlying mechanisms of the HantavaxTM-mediated immunogenicity in humans. Our study illustrate the potential for transcriptomics and untargeted metabolomics to identify genes and metabolites involved in immune responses which may propose a targeted vaccine design in future.

ORGANISM(S): Homo sapiens

PROVIDER: GSE120115 | GEO | 2019/03/27

REPOSITORIES: GEO

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