Evidence map›Paper›PMID 33137955›Full record

ReviewInternational journal of molecular sciences2020

Putative Origins of Cell-Free DNA in Humans: A Review of Active and Passive Nucleic Acid Release Mechanisms.

Stefan Grabuschnig, Abel Jacobus Bronkhorst, Stefan Holdenrieder, Ingund Rosales Rodriguez, Klaus Peter Schliep, Daniel Schwendenwein, Vida Ungerer, Christoph Wilhelm Sensen

Abstract readReview
In one paragraph

Review in International journal of molecular sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 141 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
141citing papers in PubMed, 4 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

141 citing papers in PubMed, 4 syntheses or guidelines pooled it.

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81 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

8 authors.

Stefan GrabuschnigInstitute of Computational Biotechnology, Graz University of Technology, Petersgasse 14(V), 8010 Graz, Austria.ORCID 0000-0001-9303-2981
Abel Jacobus BronkhorstInstitute for Laboratory Medicine, German Heart Centre, Technical University Munich, Lazarettstraße 36, 80636 Munich, Germany.
Stefan HoldenriederInstitute for Laboratory Medicine, German Heart Centre, Technical University Munich, Lazarettstraße 36, 80636 Munich, Germany.
Ingund Rosales RodriguezCNA Diagnostics GmbH, Parkring 18, 8074 Grambach, Austria.
Klaus Peter SchliepInstitute of Computational Biotechnology, Graz University of Technology, Petersgasse 14(V), 8010 Graz, Austria.ORCID 0000-0003-2941-0161
Daniel SchwendenweinCNA Diagnostics GmbH, Parkring 18, 8074 Grambach, Austria.
Vida UngererInstitute for Laboratory Medicine, German Heart Centre, Technical University Munich, Lazarettstraße 36, 80636 Munich, Germany.
Christoph Wilhelm SensenInstitute of Computational Biotechnology, Graz University of Technology, Petersgasse 14(V), 8010 Graz, Austria.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Through various pathways of cell death, degradation, and regulated extrusion, partial or complete genomes of various origins (e.g., host cells, fetal cells, and infiltrating viruses and microbes) are continuously shed into human body fluids in the form of segmented cell-free DNA (cfDNA) molecules. While the genetic complexity of total cfDNA is vast, the development of progressively efficient extraction, high-throughput sequencing, characterization via bioinformatics procedures, and detection have resulted in increasingly accurate partitioning and profiling of cfDNA subtypes. Not surprisingly, cfDNA analysis is emerging as a powerful clinical tool in many branches of medicine. In addition, the low invasiveness of longitudinal cfDNA sampling provides unprecedented access to study temporal genomic changes in a variety of contexts. However, the genetic diversity of cfDNA is also a great source of ambiguity and poses significant experimental and analytical challenges. For example, the cfDNA population in the bloodstream is heterogeneous and also fluctuates dynamically, differs between individuals, and exhibits numerous overlapping features despite often originating from different sources and processes. Therefore, a deeper understanding of the determining variables that impact the properties of cfDNA is crucial, however, thus far, is largely lacking. In this work we review recent and historical research on active vs. passive release mechanisms and estimate the significance and extent of their contribution to the composition of cfDNA.

Indexed as

AnimalsBiomarkers, TumorCell-Free Nucleic AcidsHumansNeoplasmsNucleic AcidsSpecimen HandlingBiomarkers, TumorCell-Free Nucleic AcidsNucleic Acidsactive release of cfDNAcell-free DNAcirculating DNAcirculating tumor DNAliquid biopsyorigins of cfDNApassive release of cfDNA

Identifiers

PMID33137955
PMCPMC7662960

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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.