2022
Redox regulation by TXNRD3 during epididymal maturation underlies capacitation-associated mitochondrial activity and sperm motility in mice
Wang H, Dou Q, Jeong KJ, Choi J, Gladyshev VN, Chung JJ. Redox regulation by TXNRD3 during epididymal maturation underlies capacitation-associated mitochondrial activity and sperm motility in mice. Journal Of Biological Chemistry 2022, 298: 102077. PMID: 35643315, PMCID: PMC9218152, DOI: 10.1016/j.jbc.2022.102077.Peer-Reviewed Original ResearchConceptsRedox regulationRedox homeostasisMolecular mechanismsSperm maturationMitochondrial sheath formationCell imaging analysisThioredoxin glutathione reductaseSperm developmentMammalian spermatozoaEpididymal transitMitochondrial ultrastructureMitochondrial activityRedox statusMale fertilityCapacitationHomeostasisMaturationRegulationMotilityFamily membersFertilizationSperm morphologySperm motilityMitochondriaBioenergetics
2021
Microinjection of Xenopus tropicalis Embryos.
Lane M, Mis EK, Khokha MK. Microinjection of Xenopus tropicalis Embryos. Cold Spring Harbor Protocols 2021, 2022: pdb.prot107644. PMID: 34244348, DOI: 10.1101/pdb.prot107644.Peer-Reviewed Original ResearchConceptsEmbryo sizeLarger embryo sizeTargeted gene manipulationEmbryo development timeSmall embryo sizeXenopus tropicalis embryosDevelopmental biologyEarly embryosMicroinjection protocolGene manipulationGenetic studiesFirst divisionXenopusEmbryosImportant modelDevelopment timeMicroinjectionMorpholinoCRISPRBiologySpeciesDNAMRNAOocytesFertilization
2019
Brd4 and P300 Confer Transcriptional Competency during Zygotic Genome Activation
Chan SH, Tang Y, Miao L, Darwich-Codore H, Vejnar CE, Beaudoin JD, Musaev D, Fernandez JP, Benitez MDJ, Bazzini AA, Moreno-Mateos MA, Giraldez AJ. Brd4 and P300 Confer Transcriptional Competency during Zygotic Genome Activation. Developmental Cell 2019, 49: 867-881.e8. PMID: 31211993, PMCID: PMC7201981, DOI: 10.1016/j.devcel.2019.05.037.Peer-Reviewed Original ResearchConceptsGenome activationTranscriptional competencyHistone acetylationP300-dependent histone acetylationZygotic genome activationFirst zygotic genesMaternal mRNA translationZygotic genesAnimal developmentZygotic developmentDevelopmental reprogrammingMRNA translationLive imagingCell cycleSilent genomeBRD4ZebrafishGenomeTranscriptionAcetylationActivationP300FertilizationReprogrammingGenes
2017
CatSperζ regulates the structural continuity of sperm Ca2+ signaling domains and is required for normal fertility
Chung JJ, Miki K, Kim D, Shim SH, Shi HF, Hwang JY, Cai X, Iseri Y, Zhuang X, Clapham DE. CatSperζ regulates the structural continuity of sperm Ca2+ signaling domains and is required for normal fertility. ELife 2017, 6: e23082. PMID: 28226241, PMCID: PMC5362262, DOI: 10.7554/elife.23082.Peer-Reviewed Original ResearchConceptsMammalian female reproductive tractSevere male subfertilityFemale reproductive tractIon channel complexNovel subunitCatSper complexEvolutionary adaptationMale subfertilityReproductive tractMouse spermSperm Ca2Normal fertilityTargeted disruptionSperm cellsFlagellaChannel complexFemale uterusSubunitsEpididymal spermatozoaSpermComplexesFertilizationSubfertilityUterusMice
2014
Binding of sperm protein Izumo1 and its egg receptor Juno drives Cd9 accumulation in the intercellular contact area prior to fusion during mammalian fertilization
Chalbi M, Barraud-Lange V, Ravaux B, Howan K, Rodriguez N, Soule P, Ndzoudi A, Boucheix C, Rubinstein E, Wolf J, Ziyyat A, Perez E, Pincet F, Gourier C. Binding of sperm protein Izumo1 and its egg receptor Juno drives Cd9 accumulation in the intercellular contact area prior to fusion during mammalian fertilization. Development 2014, 141: 3732-3739. PMID: 25209248, DOI: 10.1242/dev.111534.Peer-Reviewed Original ResearchConceptsGamete fusionMammalian fertilizationMolecular mechanismsSperm protein IZUMO1Intercellular contact areaFusion machineryMembrane proteinsMembrane organizationIZUMO1Intercellular adhesionAdhesion partnersRecruitment kineticsKey playersCD9Adhesion phaseEggsAdhesion areaFertilizationFusionHuman eggsGametesMachineryAdhesionSpeciesProtein
2011
CD9 tetraspanin generates fusion competent sites on the egg membrane for mammalian fertilization
Jégou A, Ziyyat A, Barraud-Lange V, Perez E, Wolf J, Pincet F, Gourier C. CD9 tetraspanin generates fusion competent sites on the egg membrane for mammalian fertilization. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 10946-10951. PMID: 21690351, PMCID: PMC3131345, DOI: 10.1073/pnas.1017400108.Peer-Reviewed Original ResearchConceptsAdhesion sitesFusion-competent sitesWild-type eggsCD9 tetraspaninEgg membrane proteinsSperm-egg fusionMembrane proteinsGamete membranesMammalian fertilizationCompetent sitesGamete interactionAdhesion eventsTight proximityEgg membraneCD9TetraspaninsEggsFertilizationMembraneStrong-interaction modesAdhesion probabilitySitesFusionInteraction modesProtein
2008
Ion channels that control fertility in mammalian spermatozoa
Navarro B, Kirichok Y, Chung JJ, Clapham DE. Ion channels that control fertility in mammalian spermatozoa. The International Journal Of Developmental Biology 2008, 52: 607-613. PMID: 18649274, PMCID: PMC4297656, DOI: 10.1387/ijdb.072554bn.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsMammalian spermatozoaGenetic deletion strategiesMammalian spermPhysiological roleIon channelsDeletion strategyIon channel currentsHyperactivated motilityChannel currentsUnambiguous identificationIntracellular alkalinizationWhole-cell voltage clampSpermatozoaGenesTechnical advancesVoltage clampSpermMotilityExpressionFertilizationCa2FertilityIdentification
2005
The significance of sperm nuclear DNA strand breaks on reproductive outcome
Spano M, Seli E, Bizzaro D, Manicardi GC, Sakkas D. The significance of sperm nuclear DNA strand breaks on reproductive outcome. Current Opinion In Obstetrics & Gynecology 2005, 17: 255-260. PMID: 15870559, DOI: 10.1097/01.gco.0000169102.77504.66.Peer-Reviewed Original ResearchConceptsNuclear DNA strand breaksDNA strand breaksStrand breaksDNA abnormalitiesPaternal genomeChromatin structureNuclear DNASperm nuclear DNASperm nucleiSperm chromatin structureNuclear abnormalitiesReproductive parametersBlastocyst developmentSpermatozoaBody of evidenceNuclear anomaliesGenomeDNA anomaliesBreaksDNAReproductionSpermatogenesisAssisted reproduction technologyFertilizationReproductive outcomes
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