Evidence map›Paper›PMID 33720449›Full record

ArticlePrenatal diagnosis2021

Chromosomal mosaicism: Origins and clinical implications in preimplantation and prenatal diagnosis.

Brynn Levy, Eva R Hoffmann, Rajiv C McCoy, Francesca R Grati

Abstract read
In one paragraph

Article in Prenatal diagnosis, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing 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

32 citing papers in PubMed.

  1. Article
  2. Article
  3. Medizinische Genetik : Mitteilungsblatt des Berufsverbandes Medizinische Genetik e.V · 2026
    Article
  4. Medizinische Genetik : Mitteilungsblatt des Berufsverbandes Medizinische Genetik e.V · 2026
    Article
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  15. Review
  16. Review
  17. [Value of non-invasive prenatal testing for rare autosomal trisomies in fetuses].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2023
    Article
  18. 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

4 authors.

Brynn LevyDepartment of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York, USA.ORCID 0000-0002-4213-3480
Eva R HoffmannDepartment of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.ORCID 0000-0002-2588-0652
Rajiv C McCoyDepartment of Biology, Johns Hopkins University, Baltimore, Maryland, USA.ORCID 0000-0003-0615-146X
Francesca R GratiResearch and Development, Cytogenetics and Medical Genetics Unit, TOMA Advanced Biomedical Assays, S.p.A. (Impact Lab), Busto Arsizio, Varese, Italy.ORCID 0000-0002-3836-5190

Funding

Function and fitness consequences of human genetic variationR35GM133747 · NIGMS · JOHNS HOPKINS UNIVERSITY · PI Rajiv Champion McCoy · 2019 to 2026
$3.3M
NIGMS NIH HHS R35 GM133747
6 · The paper itself

Abstract

The diagnosis of chromosomal mosaicism in the preimplantation and prenatal stage is fraught with uncertainty and multiple factors need to be considered in order to gauge the likely impact. The clinical effects of chromosomal mosaicism are directly linked to the type of the imbalance (size, gene content, and copy number), the timing of the initial event leading to mosaicism during embryogenesis/fetal development, the distribution of the abnormal cells throughout the various tissues within the body as well as the ratio of normal/abnormal cells within each of those tissues. Additional factors such as assay noise and culture artifacts also have an impact on the significance and management of mosaic cases. Genetic counseling is an important part of educating patients about the likelihood of having a liveborn with a chromosome abnormality and these risks differ according to the time of ascertainment and the tissue where the mosaic cells were initially discovered. Each situation needs to be assessed on a case-by-case basis and counseled accordingly. This review will discuss the clinical impact of finding mosaicism through: embryo biopsy, chorionic villus sampling, amniocentesis, and noninvasive prenatal testing using cell-free DNA.

Indexed as

Chorionic Villi SamplingChromosome DisordersFemaleHumansMosaicismPregnancyPreimplantation Diagnosis

Identifiers

PMID33720449
PMCPMC8176867

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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.