Evidence map›Paper›PMID 32916773›Full record

ArticleJournal of cellular and molecular medicine2020

Diagnostic potential of circulating cell-free microRNAs for community-acquired pneumonia and pneumonia-related sepsis.

Stefanie Hermann, Florian Brandes, Benedikt Kirchner, Dominik Buschmann, Melanie Borrmann, Matthias Klein, Stefan Kotschote, Michael Bonin, Marlene Reithmair, Ines Kaufmann and 2 more

Abstract read
In one paragraph

Article in Journal of cellular and molecular medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 1 pooled it
–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

28 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  11. MicroRNA Profiles in Critically Ill Patients.Current medicinal chemistry · 2024
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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

12 authors.

Stefanie HermannDivision of Animal Physiology and Immunology, School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany.ORCID 0000-0002-6274-5919
Florian BrandesDepartment of Anesthesiology, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany.ORCID 0000-0003-3741-287X
Benedikt KirchnerDivision of Animal Physiology and Immunology, School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany.ORCID 0000-0003-3878-0148
Dominik BuschmannDivision of Animal Physiology and Immunology, School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany.ORCID 0000-0003-0460-6459
Melanie BorrmannDepartment of Anesthesiology, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany.
Matthias KleinDepartment of Neurology, University Hospital, Ludwig-Maximilians-University of Munich, Munich, Germany.
Stefan KotschoteIMGM Laboratories GmbH, Planegg, Germany.
Michael BoninIMGM Laboratories GmbH, Planegg, Germany.
Marlene ReithmairInstitute of Human Genetics, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany.ORCID 0000-0002-9113-9643
Ines KaufmannDepartment of Anesthesia, Klinikum Neuperlach, Munich City Hospitals, Munich, Germany.
Gustav SchellingDepartment of Anesthesiology, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany.
Michael W PfafflDivision of Animal Physiology and Immunology, School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cell-free microRNAs (miRNAs) are transferred in disease state including inflammatory lung diseases and are often packed into extracellular vesicles (EVs). To assess their suitability as biomarkers for community-acquired pneumonia (CAP) and severe secondary complications such as sepsis, we studied patients with CAP (n = 30), sepsis (n = 65) and healthy volunteers (n = 47) subdivided into a training (n = 67) and a validation (n = 75) cohort. After precipitating crude EVs from sera, associated small RNA was profiled by next-generation sequencing (NGS) and evaluated in multivariate analyses. A subset of the thereby identified biomarker candidates was validated both technically and additionally by reverse transcription quantitative real-time PCR (RT-qPCR). Differential gene expression (DGE) analysis revealed 29 differentially expressed miRNAs in CAP patients when compared to volunteers, and 25 miRNAs in patients with CAP, compared to those with sepsis. Sparse partial-least discriminant analysis separated groups based on 12 miRNAs. Three miRNAs proved as a significant biomarker signature. While expression levels of miR-1246 showed significant changes with an increase in overall disease severity from volunteers to CAP and to sepsis, miR-193a-5p and miR-542-3p differentiated patients with an infectious disease (CAP or sepsis) from volunteers. Cell-free miRNAs are potentially novel biomarkers for CAP and may help to identify patients at risk for progress to sepsis, facilitating early intervention and treatment.

Indexed as

AgedAged, 80 and overCirculating MicroRNACommunity-Acquired InfectionsGene Expression RegulationHumansImmunity, HumoralMiddle AgedMultivariate AnalysisPneumoniaReproducibility of ResultsReverse TranscriptionSepsisCirculating MicroRNAbiomarker signaturecell-free microRNAscommunity-acquired pneumoniaextracellular vesiclessepsissmall RNA sequencing

Identifiers

PMID32916773
PMCPMC7578906

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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.