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ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2025

First prenatal case of jumping-like translocations: unraveling complex chromosomal rearrangements.

Kevin Cassinari, Anne Claire Brehin, Ferdi Kundul, Mathieu Castelain, Sophie Patrier-Sallebert, Alain Diguet, Eric Verspyck, Claude Houdayer, Géraldine Joly-Hélas, Pascal Chambon

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Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Kevin CassinariDepartment of Genetics and Reference Center for Developmental Disorders Univ Rouen Normandie, Normandie Univ, Inserm U1245 and CHU Rouen, 76000, Rouen, France. kevin.cassinari@chu-rouen.fr.
Anne Claire BrehinDepartment of Pathology, Normandy Centre for Genomic and Personalized Medicine, Normandie University, UNIROUEN, U1245 and Rouen University Hospital, 76000, Rouen, Inserm, France.
Ferdi KundulDepartment of Genetics and Reference Center for Developmental Disorders Univ Rouen Normandie, Normandie Univ, Inserm U1245 and CHU Rouen, 76000, Rouen, France.
Mathieu CastelainDepartment of Genetics and Reference Center for Developmental Disorders Univ Rouen Normandie, Normandie Univ, Inserm U1245 and CHU Rouen, 76000, Rouen, France.
Sophie Patrier-SallebertDepartment of Pathology, Normandy Centre for Genomic and Personalized Medicine, Normandie University, UNIROUEN, U1245 and Rouen University Hospital, 76000, Rouen, Inserm, France.
Alain DiguetDepartment of Obstetrics and Gynecology, Rouen University Hospital, Rouen, France.
Eric VerspyckDepartment of Obstetrics and Gynecology, Rouen University Hospital, Rouen, France.
Claude HoudayerDepartment of Genetics and Reference Center for Developmental Disorders Univ Rouen Normandie, Normandie Univ, Inserm U1245 and CHU Rouen, 76000, Rouen, France.
Géraldine Joly-HélasDepartment of Genetics and Reference Center for Developmental Disorders Univ Rouen Normandie, Normandie Univ, Inserm U1245 and CHU Rouen, 76000, Rouen, France.
Pascal ChambonDepartment of Genetics and Reference Center for Developmental Disorders Univ Rouen Normandie, Normandie Univ, Inserm U1245 and CHU Rouen, 76000, Rouen, France.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Jumping translocations and jumping-like translocations constitute a rare category of complex chromosomal rearrangements, which are primarily observed in hematologic disorders and solid tumors. This study outlines a complex structural mosaic rearrangement involving a single recipient chromosome and three distinct donor chromosomes, with varying patterns of mosaicism observed across different cell lines. The rearrangement was confirmed by karyotyping, FISH, and array-CGH. These analyses revealed significant chromosomal duplications and deletions, which may contribute to the observed phenotypic abnormalities. Following characterization via various cytogenetic techniques, this rearrangement appears to be the first reported instance of a jumping-like translocation in prenatal constitutional genetics. This finding enables the formulation of hypotheses regarding the mechanisms underlying such intricate structural variants and their detection via contemporary genetic methods.

Indexed as

Translocation, GeneticComparative Genomic HybridizationFemaleHumansIn Situ Hybridization, FluorescenceKaryotypingMosaicismPregnancyPrenatal DiagnosisComplex chromosomal rearrangementsJumping translocationPrenatal diagnosis

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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.