Host methylation predicts SARS-CoV-2 infection and clinical outcome.


Journal

Communications medicine
ISSN: 2730-664X
Titre abrégé: Commun Med (Lond)
Pays: England
ID NLM: 9918250414506676

Informations de publication

Date de publication:
26 Oct 2021
Historique:
received: 04 03 2021
accepted: 24 09 2021
entrez: 7 2 2023
pubmed: 26 10 2021
medline: 26 10 2021
Statut: epublish

Résumé

Since the onset of the SARS-CoV-2 pandemic, most clinical testing has focused on RT-PCR We customized Illumina's Infinium MethylationEPIC array to enhance immune response detection and profiled peripheral blood samples from 164 COVID-19 patients with longitudinal measurements of disease severity and 296 patient controls. Epigenome-wide association analysis revealed 13,033 genome-wide significant methylation sites for case-vs-control status. Genes and pathways involved in interferon signaling and viral response were significantly enriched among differentially methylated sites. We observe highly significant associations at genes previously reported in genetic association studies (e.g. IRF7, OAS1). Using machine learning techniques, models built using sparse regression yielded highly predictive findings: cross-validated best fit AUC was 93.6% for case-vs-control status, and 79.1%, 80.8%, and 84.4% for hospitalization, ICU admission, and progression to death, respectively. In summary, the strong COVID-19-specific epigenetic signature in peripheral blood driven by key immune-related pathways related to infection status, disease severity, and clinical deterioration provides insights useful for diagnosis and prognosis of patients with viral infections. Viral infections affect the body in many ways, including via changes to the epigenome, the sum of chemical modifications to an individual’s collection of genes that affect gene activity. Here, we analyzed the epigenome in blood samples from people with and without COVID-19 to determine whether we could find changes consistent with SARS-CoV-2 infection. Using a combination of statistical and machine learning techniques, we identify markers of SARS-CoV-2 infection as well as of severity and progression of COVID-19 disease. These signals of disease progression were present from the initial blood draw when first walking into the hospital. Together, these approaches demonstrate the potential of measuring the epigenome for monitoring SARS-CoV-2 status and severity.

Sections du résumé

BACKGROUND BACKGROUND
Since the onset of the SARS-CoV-2 pandemic, most clinical testing has focused on RT-PCR
METHODS METHODS
We customized Illumina's Infinium MethylationEPIC array to enhance immune response detection and profiled peripheral blood samples from 164 COVID-19 patients with longitudinal measurements of disease severity and 296 patient controls.
RESULTS RESULTS
Epigenome-wide association analysis revealed 13,033 genome-wide significant methylation sites for case-vs-control status. Genes and pathways involved in interferon signaling and viral response were significantly enriched among differentially methylated sites. We observe highly significant associations at genes previously reported in genetic association studies (e.g. IRF7, OAS1). Using machine learning techniques, models built using sparse regression yielded highly predictive findings: cross-validated best fit AUC was 93.6% for case-vs-control status, and 79.1%, 80.8%, and 84.4% for hospitalization, ICU admission, and progression to death, respectively.
CONCLUSIONS CONCLUSIONS
In summary, the strong COVID-19-specific epigenetic signature in peripheral blood driven by key immune-related pathways related to infection status, disease severity, and clinical deterioration provides insights useful for diagnosis and prognosis of patients with viral infections.
Viral infections affect the body in many ways, including via changes to the epigenome, the sum of chemical modifications to an individual’s collection of genes that affect gene activity. Here, we analyzed the epigenome in blood samples from people with and without COVID-19 to determine whether we could find changes consistent with SARS-CoV-2 infection. Using a combination of statistical and machine learning techniques, we identify markers of SARS-CoV-2 infection as well as of severity and progression of COVID-19 disease. These signals of disease progression were present from the initial blood draw when first walking into the hospital. Together, these approaches demonstrate the potential of measuring the epigenome for monitoring SARS-CoV-2 status and severity.

Autres résumés

Type: plain-language-summary (eng)
Viral infections affect the body in many ways, including via changes to the epigenome, the sum of chemical modifications to an individual’s collection of genes that affect gene activity. Here, we analyzed the epigenome in blood samples from people with and without COVID-19 to determine whether we could find changes consistent with SARS-CoV-2 infection. Using a combination of statistical and machine learning techniques, we identify markers of SARS-CoV-2 infection as well as of severity and progression of COVID-19 disease. These signals of disease progression were present from the initial blood draw when first walking into the hospital. Together, these approaches demonstrate the potential of measuring the epigenome for monitoring SARS-CoV-2 status and severity.

Identifiants

pubmed: 36750622
doi: 10.1038/s43856-021-00042-y
pii: 10.1038/s43856-021-00042-y
doi:

Types de publication

Journal Article

Langues

eng

Pagination

42

Informations de copyright

© 2021. The Author(s).

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Auteurs

Iain R Konigsberg (IR)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Bret Barnes (B)

Illumina, Inc., San Diego, CA, USA.

Monica Campbell (M)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Elizabeth Davidson (E)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Yingfei Zhen (Y)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Olivia Pallisard (O)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Meher Preethi Boorgula (MP)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Corey Cox (C)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Debmalya Nandy (D)

Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Souvik Seal (S)

Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Kristy Crooks (K)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Evan Sticca (E)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Genelle F Harrison (GF)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Andrew Hopkinson (A)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Alexis Vest (A)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Cosby G Arnold (CG)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Michael G Kahn (MG)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

David P Kao (DP)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Brett R Peterson (BR)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Stephen J Wicks (SJ)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Debashis Ghosh (D)

Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Steve Horvath (S)

University of California Los Angeles, Los Angeles, CA, USA.

Wanding Zhou (W)

The Children's Hospital of Philadelphia, Philadelphia, PA, USA.

Rasika A Mathias (RA)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
Johns Hopkins University, Baltimore, MD, USA.

Paul J Norman (PJ)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Rishi Porecha (R)

Illumina, Inc., San Diego, CA, USA.

Ivana V Yang (IV)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Christopher R Gignoux (CR)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Andrew A Monte (AA)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.

Alem Taye (A)

Illumina, Inc., San Diego, CA, USA.

Kathleen C Barnes (KC)

School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA. kathleen.barnes@cuanschutz.edu.

Classifications MeSH