A crowdsourced analysis to identify ab initio molecular signatures predictive of susceptibility to viral infection

The Respiratory Viral DREAM Challenge Consortium; Solveig K. Sieberts

doi:10.1038/s41467-018-06735-8

A crowdsourced analysis to identify ab initio molecular signatures predictive of susceptibility to viral infection

The Respiratory Viral DREAM Challenge Consortium, Solveig K. Sieberts

Biocomplexity

5 Citations (Scopus)

Abstract

The response to respiratory viruses varies substantially between individuals, and there are currently no known molecular predictors from the early stages of infection. Here we conduct a community-based analysis to determine whether pre- or early post-exposure molecular factors could predict physiologic responses to viral exposure. Using peripheral blood gene expression profiles collected from healthy subjects prior to exposure to one of four respiratory viruses (H1N1, H3N2, Rhinovirus, and RSV), as well as up to 24 h following exposure, we find that it is possible to construct models predictive of symptomatic response using profiles even prior to viral exposure. Analysis of predictive gene features reveal little overlap among models; however, in aggregate, these genes are enriched for common pathways. Heme metabolism, the most significantly enriched pathway, is associated with a higher risk of developing symptoms following viral exposure. This study demonstrates that pre-exposure molecular predictors can be identified and improves our understanding of the mechanisms of response to respiratory viruses.

Original language	English
Article number	4418
Journal	Nature Communications
Volume	9
Issue number	1
Pages (from-to)	1-11
ISSN	2041-1723
DOIs	https://doi.org/10.1038/s41467-018-06735-8
Publication status	Published - 1 Dec 2018

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abstract = "The response to respiratory viruses varies substantially between individuals, and there are currently no known molecular predictors from the early stages of infection. Here we conduct a community-based analysis to determine whether pre- or early post-exposure molecular factors could predict physiologic responses to viral exposure. Using peripheral blood gene expression profiles collected from healthy subjects prior to exposure to one of four respiratory viruses (H1N1, H3N2, Rhinovirus, and RSV), as well as up to 24 h following exposure, we find that it is possible to construct models predictive of symptomatic response using profiles even prior to viral exposure. Analysis of predictive gene features reveal little overlap among models; however, in aggregate, these genes are enriched for common pathways. Heme metabolism, the most significantly enriched pathway, is associated with a higher risk of developing symptoms following viral exposure. This study demonstrates that pre-exposure molecular predictors can be identified and improves our understanding of the mechanisms of response to respiratory viruses.",

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AU - Talla, Aarthi

AU - The Respiratory Viral DREAM Challenge Consortium

AU - Tian, Chengzhe

AU - Sieberts, Solveig K.

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A crowdsourced analysis to identify ab initio molecular signatures predictive of susceptibility to viral infection

Abstract

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