Evidence map›Paper›PMID 18234803›Full record

ArticleJournal of virology2008

Cellular proteasome activity facilitates herpes simplex virus entry at a postpenetration step.

Mark G Delboy, Devin G Roller, Anthony V Nicola

Open access · greenAbstract read
In one paragraph

Article in Journal of virology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed
5.4field-weighted citation impact, top 4% 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

66 citing papers in PubMed, 98 citations in OpenAlex.

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6 more citing papers are in PubMed but not listed here.

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

3 authors at 1 institution in 1 country.

Mark G DelboyDepartment of Microbiology and Immunology, Virginia Commonwealth University School of Medicine, Richmond, Virginia 23298-0678, USA.
Devin G Roller
Anthony V Nicola
Virginia Commonwealth University · US

Funding

HERPES SIMPLEX VIRUS ENTRY VIA ENDOCYTOSISK22AI060702 · NIAID · VIRGINIA COMMONWEALTH UNIVERSITY · PI NICOLA, ANTHONY V · 2005 to 2006
$262k
NIAID NIH HHS AI-60702NIAID NIH HHS K22 AI060702
6 · The paper itself

Abstract

Herpes simplex virus (HSV) entry into cells is a multistep process that engages the host cell machinery. The proteasome is a large, ATP-dependent, multisubunit protease that plays a critical role in the maintenance of cell homeostasis. A battery of assays were used to demonstrate that proteasome inhibitors blocked an early step in HSV entry that occurred after capsid penetration into the cytosol but prior to capsid arrival at the nuclear periphery. Proteasome-dependent viral entry was not reliant on host or viral protein synthesis. MG132, a peptide aldehyde that competitively inhibits the degradative activity of the proteasome, had a reversible inhibitory effect on HSV entry. HSV can use endocytic or nonendocytic pathways to enter cells. These distinct entry routes were both dependent on proteasome-mediated proteolysis. In addition, HSV successfully entered cells in the absence of a functional host ubiquitin-activating enzyme, suggesting that viral entry is ubiquitin independent. We propose that proteasomal degradation of virion and/or host proteins is required for efficient delivery of incoming HSV capsids to the nucleus.

Indexed as

Virus InternalizationAnimalsbeta-GalactosidaseCell LineChlorocebus aethiopsCricetinaeCysteine Proteinase InhibitorsGenes, ReporterHumansLeupeptinsMiceProteasome Endopeptidase ComplexProteasome InhibitorsSimplexvirusUbiquitin-Activating EnzymesViral Plaque Assaybenzyloxycarbonylleucyl-leucyl-leucine aldehydebeta-GalactosidaseCysteine Proteinase InhibitorsLeupeptinsProteasome Endopeptidase ComplexProteasome InhibitorsUbiquitin-Activating Enzymes

Identifiers

PMID18234803
PMCPMC2268500
OpenAlexW2018990272

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.