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Moradkhani K, Cuisset L, Boisseau P, Pichon O, Lebrun M, Hamdi-Rozé H, Maurin ML, Gruchy N, Manca-Pellissier MC, Malzac P, Bilan F, Audrezet MP, Saugier-Veber P, Fauret-Amsellem AL, Missirian C, Kuentz P, Egea G, Guichet A, Creveaux I, Janel C, Harzallah I, Touraine R, Goumy C, Joyé N, Puechberty J, Haquet E, Chantot-Bastaraud S, Schmitt S, Gosset P, Duban-Bedu B, Delobel B, Vago P, Vialard F, Gomes DM, Siffroi JP, Bonnefont JP, Dupont JM, Jonveaux P, Doco-Fenzy M, Sanlaville D, Le Caignec C. Risk estimation of uniparental disomy of chromosome 14 or 15 in a fetus with a parent carrying a non-homologous Robertsonian translocation. Should we still perform prenatal diagnosis? Prenat Diagn 2019; 39:986-992. [PMID: 31273809 DOI: 10.1002/pd.5518] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 06/07/2019] [Accepted: 06/28/2019] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Uniparental disomy (UPD) testing is currently recommended during pregnancy in fetuses carrying a balanced Robertsonian translocation (ROB) involving chromosome 14 or 15, both chromosomes containing imprinted genes. The overall risk that such a fetus presents a UPD has been previously estimated to be around ~0.6-0.8%. However, because UPD are rare events and this estimate has been calculated from a number of studies of limited size, we have reevaluated the risk of UPD in fetuses for whom one of the parents was known to carry a nonhomologous ROB (NHROB). METHOD We focused our multicentric study on NHROB involving chromosome 14 and/or 15. A total of 1747 UPD testing were performed in fetuses during pregnancy for the presence of UPD(14) and/or UPD(15). RESULT All fetuses were negative except one with a UPD(14) associated with a maternally inherited rob(13;14). CONCLUSION Considering these data, the risk of UPD following prenatal diagnosis of an inherited ROB involving chromosome 14 and/or 15 could be estimated to be around 0.06%, far less than the previous estimation. Importantly, the risk of miscarriage following an invasive prenatal sampling is higher than the risk of UPD. Therefore, we do not recommend prenatal testing for UPD for these pregnancies and parents should be reassured.
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Affiliation(s)
| | - Laurence Cuisset
- Laboratory of Genetics and Molecular Biology, Institute Cochin and Cochin Hospital, APHP, Paris Descartes University, Paris, France
| | | | - Olivier Pichon
- Service de Génétique Médicale, CHU Nantes, Nantes, France
| | - Marine Lebrun
- Service de Génétique-Laboratoire de Biologie Moléculaire, CHU-Hôpital Nord, Saint-Etienne, France
| | - Houda Hamdi-Rozé
- Department of Molecular Genetics and Genomics, CHU Rennes, Rennes, France
| | - Marie-Laure Maurin
- Service d'Histologie, Embryologie, Cytogénétique., Groupe Hospitalier Necker-Enfants Malades, Paris, France
| | - Nicolas Gruchy
- Service de Génétique, CHU Caen, Université Caen Normandie, Caen, France
| | | | - Perrine Malzac
- Département de Génétique Médicale, Assistance Publique- Hôpitaux de Marseille, Marseille, France
| | | | | | - Pascale Saugier-Veber
- Department of Genetics, Normandy Centre for Genomic Medicine and Personalized Medicine, Rouen University Hospital, Rouen, France
| | - Anne-Laure Fauret-Amsellem
- Department of Genetics, Robert-Debré Teaching Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Chantal Missirian
- Département de Génétique Médicale, Assistance Publique- Hôpitaux de Marseille, Marseille, France
| | - Paul Kuentz
- Génétique Biologique Histologie, Centre Hospitalier Universitaire de Besançon, Besançon, France
| | - Gregory Egea
- Laboratoire de Biologie Médicale GEN-BIO, Clermont-Ferrand, France
| | | | - Isabelle Creveaux
- Department of Biochemistry and Molecular Genetics, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Caroline Janel
- Department of Biochemistry and Molecular Genetics, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Ines Harzallah
- Service de Génétique-Laboratoire de Biologie Moléculaire, CHU-Hôpital Nord, Saint-Etienne, France
| | - Renaud Touraine
- Service de Génétique-Laboratoire de Biologie Moléculaire, CHU-Hôpital Nord, Saint-Etienne, France
| | - Carole Goumy
- Cytogénétique Médicale, CHU Estaing, Clermont-Ferrand, France.,U1240 Imagerie Moléculaire et Stratégies Théranostiques, Université Clermont Auvergne, INSERM, Clermont-Ferrand, France
| | - Nicole Joyé
- Physiopathologie des Maladies Génétiques d'Expression Pédiatrique, Sorbonne Université, INSERM, Paris, France
| | - Jacques Puechberty
- Département de Génétique Médicale, Maladies Rares et Médecine Personnalisée, Hôpital Arnaud de Villeneuve, CHU de Montpellier, Montpellier, France
| | - Emmanuelle Haquet
- Département de Génétique Médicale, Maladies Rares et Médecine Personnalisée, Hôpital Arnaud de Villeneuve, CHU de Montpellier, Montpellier, France
| | | | | | - Philippe Gosset
- Diagnostic Préimplantatoire, Laboratoire de Diagnostic Génétique, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Bénédicte Duban-Bedu
- Centre de Génétique Chromosomique, GH de l'Institut Catholique de Lille-Hopital Saint Vincent de Paul, Lille, France
| | - Bruno Delobel
- Centre de Génétique Chromosomique, GH de l'Institut Catholique de Lille-Hopital Saint Vincent de Paul, Lille, France
| | - Philippe Vago
- Cytogénétique Médicale, CHU Estaing, Clermont-Ferrand, France.,U1240 Imagerie Moléculaire et Stratégies Théranostiques, Université Clermont Auvergne, INSERM, Clermont-Ferrand, France
| | - François Vialard
- Unité de Cytogénétique, CHI de Poissy St Germain en Laye, Poissy, France.,EA7404-GIG, UFR des Sciences de la Santé Simone Veil, UVSQ, Montigny-le-Bretonneux, France
| | - Denise Molina Gomes
- Unité de Cytogénétique, CHI de Poissy St Germain en Laye, Poissy, France.,EA7404-GIG, UFR des Sciences de la Santé Simone Veil, UVSQ, Montigny-le-Bretonneux, France
| | - Jean-Pierre Siffroi
- Physiopathologie des Maladies Génétiques d'Expression Pédiatrique, Sorbonne Université, INSERM, Paris, France
| | - Jean-Paul Bonnefont
- Service d'Histologie, Embryologie, Cytogénétique., Groupe Hospitalier Necker-Enfants Malades, Paris, France
| | - Jean-Michel Dupont
- Laboratoire de Cytogénétique, HUPC Hôpital Cochin, APHP; Université Paris Descartes, Paris, France
| | - Philippe Jonveaux
- Laboratoire de Génétique, CHRU Nancy, Inserm U1256, Université de Lorraine, Nancy, France
| | - Martine Doco-Fenzy
- Service de Génétique, CHU REIMS, EA3801, UFR de Médecine REIMS, Reims, France
| | - Damien Sanlaville
- Department of Genetics, Lyon University Hospitals, Lyon, France.,Claude Bernard Lyon I University; Lyon Neuroscience Research Centre, CNRS UMR5292, INSERM, Lyon, France
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