Evidence map›Paper›PMID 15509681›Full record

ArticleJournal of clinical pathology2004

Molecular strain identification of the Mycobacterium tuberculosis complex in archival tissue samples.

A R Zink, A G Nerlich

Open access · bronzeAbstract read
In one paragraph

Article in Journal of clinical pathology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
1.4field-weighted citation impact, top 19% 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

12 citing papers in PubMed, 1 synthesis or guideline pooled it, 37 citations in OpenAlex.

  1. Pooled it
  2. Hepatic Langerhans cell histiocytosis: A review.World journal of clinical oncology · 2021
    Review
  3. XpertAfrican journal of laboratory medicine · 2019
    Article
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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.

A R ZinkInstitute of Pathology, Academic-Teaching Hospital München-Bogenhausen, D-81925 München, Germany.
A G Nerlich
München Klinik Bogenhausen · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimsTo investigate the use of different molecular analyses that can identify distinct strains of human pathogenic mycobacteria in formalin fixed and paraffin wax embedded archival tissue samples to see whether it is possible to differentiate between the members of the Mycobacterium tuberculosis complex (M tuberculosis, M bovis, M africanum, M microti, or M canettii) and/or substrains in a high number of samples. This would be of interest for identifying individual infection traits and superinfection by different mycobacterial strains.

methodsForty nine archival tissue samples with clinically and/or histologically suspected tuberculosis infection were subjected to molecular DNA analysis.

resultsThe molecular analysis revealed the presence of M tuberculosis complex DNA in 20 samples, whereas acid fast bacilli could be detected by Ziehl-Neelsen staining in only eight samples. All IS6110 positive samples were further characterised by spoligotyping and seven cases provided M tuberculosis specific signatures, whereas M bovis specific signatures were obtained in four cases. The analysis of mtp40, oxyR, and pncA partial gene sequences confirmed the presence of M tuberculosis in six cases and M bovis in one case. The amplification and sequencing of four further genetic regions (katG, gyrA, TbD1, RD9) characterised six "modern" M tuberculosis strains belonging to genetic groups 2 or 3.

conclusionThis study provides clear evidence that archival paraffin wax embedded material can be used for further studies on the strain identification of M tuberculosis complex strains and can therefore unequivocally be used for the study of the epidemiology and evolution of tuberculosis pathogens.

Indexed as

AdultAgedAged, 80 and overBacterial Typing TechniquesBase SequenceDNA, BacterialDNA PrimersFemaleGenes, BacterialGenotypeHumansMaleMiddle AgedMolecular Sequence DataMycobacterium bovisMycobacterium tuberculosisDNA, BacterialDNA Primers

Identifiers

PMID15509681
PMCPMC1770489
OpenAlexW1971425124

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.