Evidence map›Paper›PMID 21673034›Full record

ArticleThe Journal of infectious diseases2011

Sequencing and analysis of JC virus DNA from natalizumab-treated PML patients.

Carl E Reid, Huo Li, Gargi Sur, Paul Carmillo, Steven Bushnell, Rich Tizard, Michele McAuliffe, Christopher Tonkin, Kenneth Simon, Susan Goelz and 3 more

Open access · hybridAbstract read
In one paragraph

Article in The Journal of infectious diseases, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.

0numbers the graph read from it
0cells of the map it votes in
74citing papers in PubMed
5.8field-weighted citation impact, top 3% 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

74 citing papers in PubMed, 123 citations in OpenAlex.

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14 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

13 authors at 1 institution in 1 country.

Carl E ReidBiogen Idec Inc., Cambridge, MA 02142, USA. carl.reid@biogenidec.com
Huo Li
Gargi Sur
Paul Carmillo
Steven Bushnell
Rich Tizard
Michele McAuliffe
Christopher Tonkin
Kenneth Simon
Susan Goelz
Paola Cinque
Leonid Gorelik
John P Carulli
Biogen (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundProgressive multifocal leukoencephalopathy (PML) in natalizumab-treated MS patients is linked to JC virus (JCV) infection. JCV sequence variation and rearrangements influence viral pathogenicity and tropism. To better understand PML development, we analyzed viral DNA sequences in blood, CSF and/or urine of natalizumab-treated PML patients.

methodsUsing biofluid samples from 17 natalizumab-treated PML patients, we sequenced multiple isolates of the JCV noncoding control region (NCCR), VP1 capsid coding region, and the entire 5 kb viral genome.

resultsAnalysis of JCV from multiple biofluids revealed that individuals were infected with a single genotype. Across our patient cohort, multiple PML-associated NCCR rearrangements and VP1 mutations were present in CSF and blood, but absent from urine-derived virus. NCCR rearrangements occurred in CSF of 100% of our cohort. VP1 mutations were observed in blood or CSF in 81% of patients. Sequencing of complete JCV genomes demonstrated that NCCR rearrangements could occur without VP1 mutations, but VP1 mutations were not observed without NCCR rearrangement.

conclusionsThese data confirm that JCV in natalizumab-PML patients is similar to that observed in other PML patient groups, multiple genotypes are associated with PML, individual patients appear to be infected with a single genotype, and PML-associated mutations arise in patients during PML development.

Indexed as

Amino Acid SubstitutionAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedBloodCapsid ProteinsDNA, ViralHumansImmunologic FactorsJC VirusLeukoencephalopathy, Progressive MultifocalMutation, MissenseNatalizumabSequence Analysis, DNAAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedCapsid ProteinsDNA, ViralImmunologic FactorsNatalizumabVP1 protein, polyomavirus

Identifiers

PMID21673034
PMCPMC3114470
OpenAlexW2153559754

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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.