Evidence map›Paper›PMID 30832576›Full record

ArticleBMC microbiology2019

Using formalin fixed paraffin embedded tissue to characterize the preterm gut microbiota in necrotising enterocolitis and spontaneous isolated perforation using marginal and diseased tissue.

Christopher J Stewart, Roxana Fatemizadeh, Pamela Parsons, Christopher A Lamb, Deborah A Shady, Joseph F Petrosino, Amy B Hair

Open access · goldAbstract readComparative Study
In one paragraph

Article in BMC microbiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
3.4field-weighted citation impact, top 8% 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

20 citing papers in PubMed, 1 synthesis or guideline pooled it, 36 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Review
  5. Article
  6. The impact of gut microbiota on morbidities in preterm infants.The Kaohsiung journal of medical sciences · 2024
    Review
  7. Article
  8. Review
  9. Review
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  12. Article
  13. The Emergence of Carbapenem ResistantInfection and drug resistance · 2022
    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

7 authors at 3 institutions in 2 countries.

Christopher J StewartAlkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, USA. christopher.stewart@ncl.ac.uk.ORCID 0000-0002-6033-338X
Roxana FatemizadehSection of Neonatology, Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, USA.
Pamela ParsonsTexas Medical Center Digestive Diseases Center, Core B Cellular and Molecular Morphology, Houston, TX, USA.
Christopher A LambInstitute of Cellular Medicine, Newcastle University, Medical School, Leech Building, M3.121, Newcastle upon Tyne, NE2 4HH, UK.
Deborah A ShadyTexas Medical Center Digestive Diseases Center, Core B Cellular and Molecular Morphology, Houston, TX, USA.
Joseph F PetrosinoAlkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, USA.
Amy B HairSection of Neonatology, Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, USA.
Baylor College of Medicine · USTexas Medical Center · USNewcastle upon Tyne Hospitals NHS Foundation Trust · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNecrotising enterocolitis (NEC) is a common cause of death in preterm infants and is closely linked to the gut microbiota. Spontaneous intestinal perforation (SIP) also occurs in preterm neonates, but results in lower mortality and less adverse neonatal outcomes than NEC. Existing studies are largely limited to non-invasive stool samples, which may not be reflective of the anatomical site of disease. Therefore, we analysed historical formalin-fixed paraffin-embedded (FFPE) tissue from NEC and SIP preterm infants. A total of 13 NEC and 16 SIP infants were included. Extracted DNA from FFPE tissue blocks underwent 16S rRNA gene sequencing. For a subset of infants, diseased tissue and marginal healthy tissue from the same infant were compared.

resultsXylene provided a cost and time effective means of deparaffinization. Tissue from the site of disease was highly comparable to adjacent healthier tissue. Comparing only diseased tissue from all infants showed significantly lower Shannon diversity in NEC (P = 0.026). The overall bacterial communities were also significantly different in NEC samples compared to SIP (P = 0.038), and large variability within NEC infants was observed. While no single OTU or genus was significantly associated with NEC or SIP, at the phylum level Proteobacteria (P = 0.045) and Bacteroidetes (P = 0.024) were significantly higher in NEC and SIP infants, respectively.

conclusionsExisting banks of intestinal FFPE blocks provide a robust and specific sample for profiling the microbiota at the site of disease. We showed preterm infants with NEC have lower diversity and different bacterial communities when compared to SIP controls.

Indexed as

FormaldehydeGastrointestinal MicrobiomeIntestinal PerforationParaffin EmbeddingBacteroidetesDNA, BacterialEnterocolitis, NecrotizingFemaleHumansInfant, NewbornInfant, PrematureIntestinesMaleProteobacteriaRNA, Ribosomal, 16SRupture, SpontaneousDNA, BacterialFormaldehydeRNA, Ribosomal, 16SFormalin-fixed paraffin-embeddedGut microbiomeNecrotising enterocolitisPretermSpontaneous intestinal perforationTissue

Identifiers

PMID30832576
PMCPMC6398254
OpenAlexW2919224658

What OpenQuestion holds

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LicenceCC BY
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.