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MACS-annexin V cell sorting of semen samples with high TUNEL values decreases the concentration of cells with abnormal chromosomal content:a pilot study

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Asian Journal of Andrology 2022年第5期24卷 445-450页

作者： Sahar El Fekih Nadia Gueganic Corinne Tous Habib Ben Ali Mounir Ajina Nathalie Douet-Guilbert Hortense Drapier Damien Beauvillard Frédéric Morel aurore perrin University of Brest InsermUMR U1078Faculty of Medicine and Health SciencesBrest 29238France Laboratory of Human Cytogenetics Molecular Genetics and Reproductive BiologyFarhat Hached University HospitalSousse 4031Tunisia Departement of Medical Genetics and Reproductive Biology Brest University Regional HospitalBrest 29609France Department of Reproductive Medicine Farhat Hached Teaching HospitalSousse 4031Tunisia

We question whether,in men with an abnormal rate of sperm DNA fragmentation,the magnetic-activated cell sorting(MACS)could select spermatozoa with lower rates of DNA fragmentation as well as spermatozoa with unbalanced chromosome *** spermatozoa from six males were separated into nonapoptotic and apoptotic *** determined the percentages of spermatozoa with(i)externalization of phosphatidylserine(EPS)by annexin V-Fluorescein isothiocyanate(FITC)labeling,(ii)DNA fragmentation by TdT-mediated-dUTP nick-end labeling(TUNEL),and(iii)numerical abnormalities for chromosomes X,Y,13,18,and 21 by fluorescence in situ hybridization(FISH),on the whole ejaculate and selected spermatozoa in the same *** to the nonapoptotic fraction,the apoptotic fraction statistically showed a higher number of spermatozoa with EPS,with DNA fragmentation,and with numerical chromosomal *** to the whole ejaculate,we found a significant decrease in the percentage of spermatozoa with EPS and decrease tendencies of the DNA fragmentation rate and the sum of disomy levels in the nonapoptotic ***,we observed statistically significant higher rates of these three parameters in the apoptotic *** may help to select spermatozoa with lower rates of DNA fragmentation and unbalanced chromosome content in men with abnormal rates of sperm DNA fragmentation.

关键词： chromosomal abnormalities DNA fragmentation externalization of phosphatidylserine magnetic-activated cell separation spermatozoa

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Genetic causes of macrozoospermia and proposal for an optimized genetic diagnosis strategy based on sperm parameters

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Journal of Genetics and Genomics 2023年第7期50卷 536-540页

作者： Alicia Coudert Caroline Cazin Amir Amiri-Yekta Selima Fourati Ben Mustapha Raoudha Zouari Julien Bessonat Abdelali Zoghmar Antoine Clergeau Catherine Metzler-Guillemain Chema Triki Herve Lejeune Nathalie Sermondade Eva Pipiras Nadia Prisant Isabelle Cedrin Leila Keskes Florence Lestrade Laetitia Hesters Nathalie Rives Beatrice Dorphin Agnes Guichet Catherine Patrat Emmanuel Dulioust Aur elie Feraille Franc ois Robert Eric Bieth Arthur Sorlin Jean-Pierre Siffroi Mariem Ben Khelifa Florence Boiterelle Sylvianne Hennebicq Veronique Satre Christophe Arnoult Charles Coutton Anne-Laure Barbotin Nicolas Thierry-Mieg Zine-Eddine Kherraf Pierre F.Ray Genetic Epigenetic and Therapies of Infertility Team Institute for Advanced BiosciencesInserm U 1209CNRS UMR 5309Universite Grenoble Alpes38000GrenobleFrance CHU Grenoble Alpes UM GI-DPI38000GrenobleFrance CHU Grenoble Alpes UM de Genetique Chromosomique38000GrenobleFrance Department of Genetics Reproductive Biomedicine Research CenterRoyan Institute for Reproductive BiomedicineACECRTehranIran Polyclinique les Jasmins Centre d’Aide M edicale a la Procr eationCentre Urbain Nord1003TunisTunisia CHU Grenobles Alpes UF de Biologie de la Procr eation38000GrenobleFrance Reproduction Sciences and Surgery Clinique Ibn RochdConstantineAlgeria CHU Caen CECOS de CaenD epartement de BiologieUnit e de Biologie de la Reproduction14033CaenFrance APHM Hopital La-Conception P^ole Femmes-parents-enfantsCentre Clinico-biologique d’assistance M edicale a la Procr eation-CECOS13385 MarseilleFrance Aix-Marseille Univ InsermMMGU125113385 Marseille Medical Genetics13385 MarseilleFrance Clinique Hannibal Centre d’AMPLes Berges du Lac1053TunisTunisia Reproductive Medicine Department Hospices Civil de LyonLyonFrance Hopital Jean Verdier Universit e Sorbonne Paris NordParisFrance CHU de Pointe-a-Pitre/Abymes GuadeloupeFrance Service de Medecine de la Reproduction CHU Jean VerdierParisFrance Faculte de M edecine de Sfax SfaxTunisia CHR Metz-Thionville Service d’Assistance Medicale a la Procr eation57530Ars-LaquenexyFrance Unit of Reproductive Biology Antoine B ecl ere University HospitalUniversity Paris SudClamartParis-Sud UniversityLe Kremlin Bic^etreFrance Univ Rouen Normandie Inserm U1239NorDICAdrenal and Gonadal PathophysiologyReproductive Biology Laboratory-CECOSRouen University Hospital76031Rouen CedexFrance CHAL Centre Hospitalier Alpes Leman Centre AMP7474130Contamine-sur-ArveFrance CHU Angers Service de Gen etique49933AngersINSERM U1083France Service de Biologie de la Reproduction-CECOS Hopital Cochin 74014ParisFrance IRH Medicentre Clinique du Val d’Ouest39

Macrozoospermia,characterized by the presence of largeheaded spermatozoa usually carrying several flagella,is one of the most severe phenotypes of male *** in most cases,the gametes are chromosomally abnormal and cannot be used for assisted reproductive technologies(ART)(Ray et al.,2017).In 2007,subjects from consanguineous families were shown to carry the same homozygous deleterious AURKC variant(NM_001015878.2:c.144delC,later renamed c.145delC,***49TrpfsTer23),establishing AURKC as the first and main gene associated with macrozoospermia(Dieterich et al.,2007).Using flow cytometry,all spermatozoa from patients homozygous for the c.145delC variant were shown to be tetraploid,highlighting a cytokinesis blockage of the first meiotic divisions thus confirming that ART cannot be successful for these patients(Dieterich et al.,2009).

关键词： diagnosis establishing

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