Cited by 39Cytomegalovirus and herpesvirus researchViral-associated cancers and disordersHerpesvirus Infections and Treatments

Inherited Chromosomally Integrated Human Herpesvirus 6 Demonstrates Tissue-Specific RNA Expression In Vivo That Correlates with an Increased Antibody Immune Response

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Peddu, Vikas, Dubuc, Isabelle, Gravel, Annie, Xie, Hong, Huang, Meei-Li, Tenenbaum, Dan, Jerome, Keith R., Tardif, Jean-Claude +3 more·2019·Journal of Virology

Published version of a preprint

Abstract

HHV-6A and -6B are human herpesviruses that have the unique property of being able to integrate into the telomeric regions of human chromosomes. Approximately 1% of the world’s population carries integrated HHV-6A/B genome in every cell of their body. Whether viral genes are transcriptionally active in these individuals is unclear. By taking advantage of a unique tissue-specific gene expression data set, we showed that the majority of tissues from iciHHV-6 individuals do not show HHV-6 gene expression. Brain and testes showed the highest tissue-specific expression of HHV-6 genes in two separate data sets. Two HHV-6 genes, U90 (immediate early 1 protein) and U100 (glycoproteins Q1 and Q2), were found to be selectively and consistently expressed across several human tissues. Expression of U90 translates into an increase in antigen-specific antibody response in iciHHV-6A/B + subjects relative to controls. Future studies will be needed to determine the mechanism of gene expression, the effects of these genes on human gene transcription networks, and the pathophysiological impact of having increased viral protein expression in tissue in conjunction with increased antigen-specific antibody production.

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Crossref · 10.1128/jvi.01418-19

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  • In an immunocompetent individual, iciHHV-6 is the most frequent reason for the detection of HHV-6 DNA in the CSF.

    “in an immunocompetent individual, iciHHV-6 is the most frequent reason for the detection of HHV-6 DNA in the CSF.”

    From Meningoencephalitis in a background of inherited chromosomic integration of HHV-6 and CMV infection in an immunocompetent adult, which one is the culprit? (2025) · cites this paper as [14]

    The Introduction (page unavailable) says HHV-6 DNA is always present in the cells of people with iciHHV-6, which can confound DNA-based tests for active infection. It does not address CSF testing in immunocompetent people or establish that iciHHV-6 is the most frequent reason for a positive CSF result. (LLM, conf=0.79)

    Experimental — accuracy not yet measured
  • Most HHV-6-positive CSF samples indirectly reflect chromosomal integration and are considered clinically irrelevant.

    “Most HHV-6-positive CSF samples indirectly reflect chromosomal integration and are considered to be clinically irrelevant [14].”

    From Meningoencephalitis in a background of inherited chromosomic integration of HHV-6 and CMV infection in an immunocompetent adult, which one is the culprit? (2025) · cites this paper as [14]

    The Introduction (page unavailable) says inherited chromosomal integration can confound DNA-based PCR diagnosis because HHV-6 DNA is present in patients’ cells. It does not establish that most HHV-6-positive CSF samples result from integration or that those findings are clinically irrelevant. (LLM, conf=0.84)

    Experimental — accuracy not yet measured

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Research works printed but not linked: 1

  1. [15]Peddu V, Dubuc I, Gravel A, Xie H, Huang M-L, Tenenbaum D, Jerome KR, Tardif J-C, Dubé M-P, Flamand L, Greninger AL 2019 Inherited chromosomally integrated human herpesvirus 6 demonstrates tissue-specific RNA expression in vivo that correlates with an increased antibody immune response. bioRxiv 10.1101/741025. PMC6912112 31597766 · DOI

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Authors
Peddu, V., Dubuc, I., Gravel, A., Xie, H., Huang, M.-L., Tenenbaum, D., Jerome, K. R., Tardif, J.-C., Dubé, M.-P., Flamand, L., & Greninger, A. L.
Affiliations
  • University of Washington (US)
  • Université Laval (CA)
  • Fred Hutch Cancer Center (US)
  • Montreal Heart Institute (CA)
  • National Institutes of Health (US)
Venue
Journal of Virology
Published
2019-12-12
Volume
94
Issue
1
ISSN
  • 0022-538X (ISSN-L)
  • 1098-5514
OpenAlex
W2979639930
Cited by
39
References
38
Citations by year
2026: 5 · 2025: 7 · 2024: 3 · 2023: 3 · 2022: 4 · 2021: 7 · 2020: 8 · 2019: 2
FWCI
4.00
Type
journal article
Language
en
Open access
Locations
  • Journal of Virology (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Heart and Stroke Foundation of Canada
  • Institut de Cardiologie de Montréal
  • Canadian Institutes of Health Research
Topics
  • Health Sciences › Medicine › Epidemiology › Cytomegalovirus and herpesvirus research
  • Health Sciences › Medicine › Oncology › Viral-associated cancers and disorders
  • Health Sciences › Medicine › Epidemiology › Herpesvirus Infections and Treatments
Keywords
human herpesvirus 6, HHV-6A, HHV-6B, chromosomal integration, tissue-specific gene expression, immediate-early proteins, antigen-specific antibody response, viral transcription, brain, testis
MeSH terms
Whole Genome Sequencing, Adrenal Glands, Aged, Antibodies, Viral, Brain, Chromosomes, Human, Cytomegalovirus, Herpesvirus 4, Human, Esophagus, Female, Humans, Male, Middle Aged, Organ Specificity, Orthomyxoviridae, Phylogeny, RNA, Viral, Testis, Cohort Studies, Herpesvirus 6, Human, Virus Integration, Roseolovirus Infections, Inheritance Patterns

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