Evidence map›Paper›PMID 15994822›Full record

ArticleJournal of virology2005

A genetically engineered attenuated coxsackievirus B3 strain protects mice against lethal infection.

M Dan, J K Chantler

Open access · greenAbstract read
In one paragraph

Article in Journal of virology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
2.0field-weighted citation impact, top 12% 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

15 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

2 authors at 1 institution in 1 country.

M DanDepartment of Pathology and Laboratory Medicine, University of British Columbia, #318, BCRICWH, 950 West 28th Ave., Vancouver, British Columbia, Canada V5Z4H4.
J K Chantler
University of British Columbia · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Coxsackievirus B3 (CVB3) is a common human pathogen that is endemic throughout the world. There is currently no vaccine available, although the virus is known to be highly lethal to newborns and has been associated with heart disease and pancreatitis in older children and adults. Previously, we showed that the virulence of CVB3 is reduced by a lysine-to-arginine substitution in the capsid protein VP2 (K2168R) or a glutamic acid-to-glycine substitution in VP3 (E3060G). In this report, we show that the double mutant virus CVB3(KR/EG) displays additional attenuation, particularly for the pancreas, in A/J mice. In addition, two other attenuating mutations have been identified in the capsid protein VP1. When either the aspartic acid residue D1155 was replaced with glutamic acid or the proline residue P1126 was replaced with methionine, the resulting mutant also possessed an attenuated phenotype. Moreover, when either of these mutations was incorporated into CVB3(KR/EG), the resulting triple mutant viruses, CVB3(KR/EG/DE) and CVB3(KR/EG/PM), were completely noncardiovirulent and caused only small foci of damage to the pancreas, even at a high dose. Both triple mutants were found to be immunogenic, and a single injection of young A/J mice with either was found to protect them from a subsequent lethal challenge with wild-type CVB3. These findings indicate that the triple mutants could be exploited for the development of a live attenuated vaccine against CVB3.

Indexed as

AnimalsCapsid ProteinsChlorocebus aethiopsEnterovirus B, HumanEnterovirus InfectionsGenetic EngineeringMiceMutationMyocardiumPancreasVaccines, AttenuatedVero CellsViral VaccinesVirulenceCapsid ProteinsVaccines, AttenuatedViral Vaccines

Identifiers

PMID15994822
PMCPMC1168767
OpenAlexW2153571195

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.