Extracellular viral microRNAs as biomarkers of virus infection in human cells.

IF 6.5 2区医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Molecular Therapy. Nucleic Acids Pub Date : 2024-12-31 eCollection Date: 2025-03-11 DOI:10.1016/j.omtn.2024.102444

Cheryl Chan, Joanne Xin Yi Loh, Wei-Xiang Sin, Denise Bei Lin Teo, Nicholas Kwan Zen Tan, Chandramouli Nagarajan, Yunxin Chen, Francesca Lorraine Wei Inng Lim, Michael E Birnbaum, Rohan B H Williams, Stacy L Springs

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引用次数: 0

Abstract

Nucleic acid amplification tests (NAATs) have enabled fast and sensitive detection of virus infections but are unable to discriminate between live and dead/inert viral fragments or between latent and reactivated virus infections. Here, we show that extracellular viral microRNAs (viral exmiRs) are cell-free candidate biomarkers of live, latent, and reactivated virus infections, achieving fast (under 1 day) and sensitive (30 attomolar [aM]) detection by quantitative real-time reverse transcription PCR (real-time RT-qPCR). We report that spent-media-derived Epstein-Barr virus (EBV) miR-BART10-3p and herpes simplex virus 1 (HSV-1) miR-H5 are biomarkers of live EBV-2 and HSV-1 infection of T cell cultures, respectively. We identified extracellular human herpesvirus 6 (HHV-6) miR-Ro6-4 as a biomarker of endogenous latent HHV-6 in healthy human donor T cell cultures and identified human cytomegalovirus (HCMV) miR-US5-2-5p and miR-US22-5p as plasma biomarkers of endogenous latent HCMV infection. Viral exmiR profiling of spent media from EBV- and HHV-8-reactivated B cell models revealed specific signatures of elevated EBV miR-BHRF1-2-3p and HHV-8 miR-K12-10a-3p, miR-K12-10b, and miR-K12-12-3p, respectively, during virus reactivation. Our study thus suggests the utility of viral exmiR biomarkers in enabling NAAT-based detection of live, endogenous latent, and reactivated virus infections of cells.

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来源期刊

Molecular Therapy. Nucleic Acids MEDICINE, RESEARCH & EXPERIMENTAL-

CiteScore

15.40

自引率

1.10%

发文量

336

审稿时长

20 weeks

期刊介绍： Molecular Therapy Nucleic Acids is an international, open-access journal that publishes high-quality research in nucleic-acid-based therapeutics to treat and correct genetic and acquired diseases. It is the official journal of the American Society of Gene & Cell Therapy and is built upon the success of Molecular Therapy. The journal focuses on gene- and oligonucleotide-based therapies and publishes peer-reviewed research, reviews, and commentaries. Its impact factor for 2022 is 8.8. The subject areas covered include the development of therapeutics based on nucleic acids and their derivatives, vector development for RNA-based therapeutics delivery, utilization of gene-modifying agents like Zn finger nucleases and triplex-forming oligonucleotides, pre-clinical target validation, safety and efficacy studies, and clinical trials.