Evidence map›Paper›PMID 25504873›Full record

ArticleMolecular human reproduction2015

Recurrent triploidy due to a failure to complete maternal meiosis II: whole-exome sequencing reveals candidate variants.

I Filges, I Manokhina, M S Peñaherrera, D E McFadden, K Louie, E Nosova, J M Friedman, W P Robinson

Open access · greenAbstract readCase Reports
In one paragraph

Article in Molecular human reproduction, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
2.9field-weighted citation impact, top 9% 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

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 86 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Genomics of pregnancy loss.Journal of assisted reproduction and genetics · 2026
    Review
  4. Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. Review
  10. Review
  11. Article
  12. Article
  13. Article
  14. Genetic Counseling and Assisted Reproductive Technologies.Cold Spring Harbor perspectives in medicine · 2020
    Review
  15. Article
  16. Review
  17. Genetics of human female infertility†.Biology of reproduction · 2019
    Review
  18. Emerging roles for nucleoporins in reproductive cellular physiologyCanadian journal of physiology and pharmacology · 2019
    Review
  19. Article
  20. Molecular autopsy in maternal-fetal medicine.Genetics in medicine : official journal of the American College of Medical Genetics · 2018
    Article
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 at 1 institution in 1 country.

I FilgesDepartment of Medical Genetics, University of British Columbia, Vancouver, BC, Canada V6T 1Z3 Child and Family Research Institute, Vancouver, BC, Canada V5Z 4H4 Medical Genetics, Department of Biomedicine, University Hospital Basel, Basel 4031, Switzerland.
I ManokhinaDepartment of Medical Genetics, University of British Columbia, Vancouver, BC, Canada V6T 1Z3 Child and Family Research Institute, Vancouver, BC, Canada V5Z 4H4.
M S PeñaherreraDepartment of Medical Genetics, University of British Columbia, Vancouver, BC, Canada V6T 1Z3 Child and Family Research Institute, Vancouver, BC, Canada V5Z 4H4.
D E McFaddenChild and Family Research Institute, Vancouver, BC, Canada V5Z 4H4 Department of Pathology, University of British Columbia, Vancouver, BC, Canada V6T 2B5.
K LouieDepartment of Medical Genetics, University of British Columbia, Vancouver, BC, Canada V6T 1Z3 Child and Family Research Institute, Vancouver, BC, Canada V5Z 4H4.
E NosovaDepartment of Medical Genetics, Centre for Molecular Medicine and Therapeutics, University of British Columbia, Vancouver, BC, Canada V5Z 4H4 Centre for Applied Neurogenetics, University of British Columbia, Vancouver, BC, Canada V6T 1Z3.
J M FriedmanDepartment of Medical Genetics, University of British Columbia, Vancouver, BC, Canada V6T 1Z3 Child and Family Research Institute, Vancouver, BC, Canada V5Z 4H4.
W P RobinsonDepartment of Medical Genetics, University of British Columbia, Vancouver, BC, Canada V6T 1Z3 Child and Family Research Institute, Vancouver, BC, Canada V5Z 4H4 wrobinson@cfri.ca.
University of British Columbia · CA

Funding

Canadian Institutes of Health Research FRN-119402
6 · The paper itself

Abstract

Triploidy is a relatively common cause of miscarriage; however, recurrent triploidy has rarely been reported. A healthy 34-year-old woman was ascertained because of 18 consecutive miscarriages with triploidy found in all 5 karyotyped losses. Molecular results in a sixth loss were also consistent with triploidy. Genotyping of markers near the centromere on multiple chromosomes suggested that all six triploid conceptuses occurred as a result of failure to complete meiosis II (MII). The proband's mother had also experienced recurrent miscarriage, with a total of 18 miscarriages. Based on the hypothesis that an inherited autosomal-dominant maternal predisposition would explain the phenotype, whole-exome sequencing of the proband and her parents was undertaken to identify potential candidate variants. After filtering for quality and rarity, potentially damaging variants shared between the proband and her mother were identified in 47 genes. Variants in genes coding for proteins implicated in oocyte maturation, oocyte activation or polar body extrusion were then prioritized. Eight of the most promising candidate variants were confirmed by Sanger sequencing. These included a novel change in the PLCD4 gene, and a rare variant in the OSBPL5 gene, which have been implicated in oocyte activation upon fertilization and completion of MII. Several variants in genes coding proteins playing a role in oocyte maturation and early embryonic development were also identified. The genes identified may be candidates for the study in other women experiencing recurrent triploidy or recurrent IVF failure.

Indexed as

ExomeGenetic Predisposition to DiseaseMeiosisMutationTriploidyAbnormal KaryotypeAbortion, HabitualAdultFemaleGene ExpressionGenotypeHigh-Throughput Nucleotide SequencingHumansOxysterol Binding ProteinsPedigreePhenotypeOxysterol Binding ProteinsPhospholipase C deltaPLCD4 protein, humanReceptors, Steroidmeiosisoogenesistriploidywhole-exome sequencing

Identifiers

PMID25504873
PMCPMC4381034
OpenAlexW2101932191

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.