Evidence map›Paper›PMID 23951282›Full record

ArticlePloS one2013

Us3 kinase encoded by herpes simplex virus 1 mediates downregulation of cell surface major histocompatibility complex class I and evasion of CD8+ T cells.

Takahiko Imai, Naoto Koyanagi, Ryo Ogawa, Keiko Shindo, Tadahiro Suenaga, Ayuko Sato, Jun Arii, Akihisa Kato, Hiroshi Kiyono, Hisashi Arase and 1 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
3.5field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

31 citing papers in PubMed, 45 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 4 institutions in 1 country.

Takahiko ImaiDivision of Molecular Virology, Department of Microbiology and Immunology, the Institute of Medical Science, the University of Tokyo, Tokyo, Japan.
Naoto Koyanagi
Ryo Ogawa
Keiko Shindo
Tadahiro Suenaga
Ayuko Sato
Jun Arii
Akihisa Kato
Hiroshi Kiyono
Hisashi Arase
Yasushi Kawaguchi
The University of Tokyo · JPNational Institute of Infectious Diseases · JPOsaka University · JPJapan Science and Technology Agency · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Detection and elimination of virus-infected cells by CD8(+) cytotoxic T lymphocytes (CTLs) depends on recognition of virus-derived peptides presented by major histocompatibility complex class I (MHC-I) molecules on the surface of infected cells. In the present study, we showed that inactivation of the activity of viral kinase Us3 encoded by herpes simplex virus 1 (HSV-1), the etiologic agent of several human diseases and a member of the alphaherpesvirinae, significantly increased cell surface expression of MHC-I, thereby augmenting CTL recognition of infected cells in vitro. Overexpression of Us3 by itself had no effect on cell surface expression of MHC-I and Us3 was not able to phosphorylate MHC-I in vitro, suggesting that Us3 indirectly downregulated cell surface expression of MHC-I in infected cells. We also showed that inactivation of Us3 kinase activity induced significantly more HSV-1-specific CD8(+) T cells in mice. Interestingly, depletion of CD8(+) T cells in mice significantly increased replication of a recombinant virus encoding a kinase-dead mutant of Us3, but had no effect on replication of a recombinant virus in which the kinase-dead mutation was repaired. These results indicated that Us3 kinase activity is required for efficient downregulation of cell surface expression of MHC-I and mediates evasion of HSV-1-specific CD8(+) T cells. Our results also raised the possibility that evasion of HSV-1-specific CD8(+) T cells by HSV-1 Us3-mediated inhibition of MHC-I antigen presentation might in part contribute to viral replication in vivo.

Indexed as

AnimalsAntigen PresentationAntigens, ViralCD8-Positive T-LymphocytesCell LineCell MembraneChlorocebus aethiopsEnzyme ActivationFemaleGene OrderGenome, ViralHerpesvirus 1, HumanHistocompatibility Antigens Class IHumansKiller Cells, NaturalLymphocyte DepletionAntigens, ViralHistocompatibility Antigens Class IProtein Serine-Threonine KinasesUS3 protein, Human herpesvirus 1Viral Proteins

Identifiers

PMID23951282
PMCPMC3741198
OpenAlexW2093512485

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.