Evidence map›Paper›PMID 16000446›Full record

ArticleJournal of clinical microbiology2005

Flow cytometry-based assay for titrating dengue virus.

C R Lambeth, L J White, R E Johnston, A M de Silva

Open access · greenAbstract readEvaluation Study
In one paragraph

Article in Journal of clinical microbiology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 83 papers.

0numbers the graph read from it
0cells of the map it votes in
83citing papers in PubMed
5.0field-weighted citation impact, top 5% 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

83 citing papers in PubMed, 147 citations in OpenAlex.

  1. Trial
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  7. Echinocystic acid inFrontiers in medicine · 2025
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  12. Multiple receptor tyrosine kinases regulate dengue infection of hepatocytes.Frontiers in cellular and infection microbiology · 2024
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23 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

4 authors at 1 institution in 1 country.

C R LambethDepartment of Microbiology and Immunology, CB #7290, University of North Carolina, Chapel Hill, NC 27599, USA.
L J White
R E Johnston
A M de Silva
University of North Carolina at Chapel Hill · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Plaque assays for titrating dengue virus (DENV) are time-consuming and not suitable for strains that do not plaque. Fluorescence-activated cell sorting (FACS) has been used to detect DENV-infected cells. Here we describe a FACS-based assay for titrating DENV. We determined that at 24 h postinfection, the number of infected cells detected by FACS represented the first round of infection and therefore could be used as a readout of the number of infectious particles in the inoculum. When the titers of different laboratory and clinical strains of DENV were compared using FACS, plaque, and endpoint dilution assays, for most strains the FACS titers were comparable to titers obtained by plaque or endpoint dilution assays. The FACS assay is an improvement over the plaque assay because the infection period is reduced from 5 to 7 days to 24 h and the assay can be used to titrate clinical isolates that frequently do not form clear plaques on cell monolayers. The novel FACS-based methods described here will facilitate laboratory studies of dengue.

Indexed as

AedesAnimalsAntibodies, ViralCells, CulturedChlorocebus aethiopsDengueDengue VirusFlow CytometryHumansNeutralization TestsVero CellsViral Plaque AssayAntibodies, Viral

Identifiers

PMID16000446
PMCPMC1169137
OpenAlexW2121386867

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.