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Gene Expression Profiling of Infecting Microbes Using a Digital Bar-coding Platform
Published on: January 13, 2016
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EBV miRNA expression profiles in different infection stages: A prospective cohort study
Anita Hartung1, Oliwia Makarewicz1, Renate Egerer2
1Institute of Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany.
Plos One
|February 14, 2019
Summary
Epstein-Barr virus (EBV) microRNAs (miRNAs) show higher expression during primary infection, with miR-BHRF1-1 being most abundant. However, distinct EBV miRNA profiles for specific infection stages, including reactivation, were not identified.
Area of Science:
- Virology
- Molecular Biology
- Immunology
Background:
- Epstein-Barr virus (EBV) produces microRNAs (miRNAs) that regulate viral and host gene expression.
- Viral miRNAs are potential diagnostic markers and therapeutic targets for EBV-related disorders.
- Understanding EBV miRNA roles in pathogenesis requires detailed expression profiling across infection stages.
Purpose of the Study:
- To investigate EBV miRNA expression profiles during primary infection, reactivation, and in healthy carriers.
- To identify potential EBV miRNA biomarkers for distinct stages of infection.
- To establish a reference profile using seronegative patients.
Main Methods:
- Analysis of 11 selected EBV miRNAs in 129 whole blood samples (2012-2017).
- Comparison of miRNA expression between primary infection, reactivation, healthy carriers, and EBV seronegative groups.
- Quantification of miRNA expression levels and prevalence.
Main Results:
- Three EBV miRNAs were undetectable in all samples.
- Significantly higher expression and prevalence of other miRNAs were observed during primary infection.
- miR-BHRF1-1 was the most abundant EBV miRNA detected.
- Reactivation profiles showed slight, non-significant differences compared to healthy carriers.
- No specific marker miRNA was identified for each distinct infection stage among the selected targets.
Conclusions:
- EBV miRNA expression varies significantly between primary infection and other stages, with miR-BHRF1-1 being a key player.
- Current selected EBV miRNAs do not serve as distinct biomarkers for EBV reactivation or other specific infection stages.
- Further research is needed to fully elucidate the pathogenic roles and diagnostic potential of EBV miRNAs.
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