Evidence map›Paper›PMID 15385500›Full record

ArticleInfection and immunity2004

Magnetic resonance imaging of pulmonary lesions in guinea pigs infected with Mycobacterium tuberculosis.

Susan L Kraft, Deanna Dailey, Matthew Kovach, Karen L Stasiak, Jamie Bennett, Christine T McFarland, David N McMurray, Angelo A Izzo, Ian M Orme, Randall J Basaraba

Abstract read
In one paragraph

Article in Infection and immunity, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
–field-weighted citation impact
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

23 citing papers in PubMed.

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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

10 authors.

Susan L KraftDepartment of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, Colorado 80523, USA.
Deanna Dailey
Matthew Kovach
Karen L Stasiak
Jamie Bennett
Christine T McFarland
David N McMurray
Angelo A Izzo
Ian M Orme
Randall J Basaraba

Funding

Guinea pig model for TB vaccine evaluationsR01AI054697 · NIAID · COLORADO STATE UNIVERSITY-FORT COLLINS · PI ORME, IAN M · 2003 to 2007
$3.0M
NIAID NIH HHS AI054697NIAID NIH HHS R01 AI054697
6 · The paper itself

Abstract

We utilized magnetic resonance imaging to visualize lesions in the lungs of guinea pigs infected by low-dose aerosol exposure to Mycobacterium tuberculosis. Lesions were prominent in such images, and colorized three-dimensional reconstructions of images revealed a very uniform distribution in the lungs. Lesion numbers after 1 month were approximately similar to the aerosol exposure algorithm, suggesting that each was established by a single bacterium. Numbers of lesions in unprotected and vaccinated animals were similar over the first month but increased thereafter in the control animals, indicating secondary lesion development. Whereas lesion sizes increased progressively in control guinea pigs, lesions remained small in BCG-vaccinated animals. A prominent feature of the disease pathology in unprotected animals was rapid and severe lymphadenopathy of the mediastinal lymph node cluster, which is paradoxical given the strong state of cellular immunity at this time. Further development of this technical approach could be very useful in tracking lesion size, number, and progression in the search for new tuberculosis vaccines.

Indexed as

Magnetic Resonance ImagingAnimalsDisease ProgressionFemaleGuinea PigsLungLymphatic DiseasesLymph NodesMycobacterium tuberculosisTuberculosis, PulmonaryTuberculosis VaccinesVaccinationTuberculosis Vaccines

Identifiers

PMID15385500
PMCPMC517538

What OpenQuestion holds

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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.