2004
Extent of nuclear DNA damage in ejaculated spermatozoa impacts on blastocyst development after in vitro fertilization
Seli E, Gardner DK, Schoolcraft WB, Moffatt O, Sakkas D. Extent of nuclear DNA damage in ejaculated spermatozoa impacts on blastocyst development after in vitro fertilization. Fertility And Sterility 2004, 82: 378-383. PMID: 15302287, DOI: 10.1016/j.fertnstert.2003.12.039.Peer-Reviewed Original ResearchConceptsBlastocyst developmentInfertility treatmentPregnancy rateTUNEL positivityIVF clinicsDNA strand breaksPrivate IVF clinicClinical pregnancy rateProspective comparative studyNick end labeling techniqueBlastocyst development ratePregnancy outcomesVs. 44MAIN OUTCOMESperm samplesLarge seriesSignificant negative correlationStrand breaksFlow cytometryTUNEL reactivityEnd-labeling techniqueIVFApoptotic cell deathPositivityNuclear DNA fragmentationThe presence of abnormal spermatozoa in the ejaculate: Did apoptosis fail?
Sakkas D, Seli E, Manicardi GC, Nijs M, Ombelet W, Bizzaro D. The presence of abnormal spermatozoa in the ejaculate: Did apoptosis fail? Human Fertility 2004, 7: 99-103. PMID: 15223758, DOI: 10.1080/14647270410001720464.Peer-Reviewed Original ResearchMeSH KeywordsApoptosisCell NucleusDNA DamageDNA FragmentationEjaculationHumansMaleSpermatogenesisSpermatozoaConceptsIntracytoplasmic sperm injectionNuclear DNA strand breaksDNA strand breaksAbnormal semen parametersAbnormal spermatozoaInfertile couplesMale infertilitySperm injectionSemen parametersQuality of spermatozoaAssisted reproductionStrand breaksCertain causesHuman spermatozoaSuch spermApoptosisSuccessful useNumerous studiesSpermatozoaPatients
2003
Abnormal spermatozoa in the ejaculate: abortive apoptosis and faulty nuclear remodelling during spermatogenesis
Sakkas D, Seli E, Bizzaro D, Tarozzi N, Manicardi GC. Abnormal spermatozoa in the ejaculate: abortive apoptosis and faulty nuclear remodelling during spermatogenesis. Reproductive BioMedicine Online 2003, 7: 428-432. PMID: 14656403, DOI: 10.1016/s1472-6483(10)61886-x.Peer-Reviewed Original ResearchConceptsNuclear DNA strand breaksDNA strand breaksAbnormal semen parametersAbnormal spermatozoaMale infertilitySemen parametersAbnormal persistenceApoptotic marker proteinsStrand breaksCertain causesHuman spermatozoaMarker proteinsApoptosisNumerous studiesSpermatogenesisSpermatozoaHumansInfertilityAbnormalities