2023
A CUG-initiated CATSPERθ functions in the CatSper channel assembly and serves as a checkpoint for flagellar trafficking
Huang X, Miyata H, Wang H, Mori G, Iida-Norita R, Ikawa M, Percudani R, Chung J. A CUG-initiated CATSPERθ functions in the CatSper channel assembly and serves as a checkpoint for flagellar trafficking. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2304409120. PMID: 37725640, PMCID: PMC10523455, DOI: 10.1073/pnas.2304409120.Peer-Reviewed Original ResearchConceptsChannel assemblySperm flagellaTransmembrane domain-containing proteinsSperm tail formationDomain-containing proteinsCatSper channel complexMale fertilityFlagellar traffickingMacromolecular complexesTail formationPhysiological roleSuccessful fertilizationCalcium signalingCatSper channelsFlagellaGenetic abrogationChannel complexNormal expressionDimer formationSpermatid cellsProteinCheckpointHyperactivated motilityAssemblyPotential role
2022
Selenoprotein TXNRD3 supports male fertility via the redox regulation of spermatogenesis
Dou Q, Turanov AA, Mariotti M, Hwang JY, Wang H, Lee SG, Paulo JA, Yim SH, Gygi SP, Chung JJ, Gladyshev VN. Selenoprotein TXNRD3 supports male fertility via the redox regulation of spermatogenesis. Journal Of Biological Chemistry 2022, 298: 102183. PMID: 35753352, PMCID: PMC9352919, DOI: 10.1016/j.jbc.2022.102183.Peer-Reviewed Original ResearchConceptsThioredoxin/glutathione reductaseThiol redox controlSperm quality controlThiol redox statusGene duplicationThiol oxidoreductasesRedox regulationProteomic analysisRedox controlGross phenotypeThioredoxin reductaseSperm maturationMovement phenotypesSperm cellsRedox statusMale reproductionKnockout animalsMale fertilityGlutathione reductaseCritical roleReductasePhenotypeTXNRD3Knockout miceSpermatogenesisRedox 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
2019
A novel copy number variation in CATSPER2 causes idiopathic male infertility with normal semen parameters
Luo T, Chen H, Zou Q, Wang T, Cheng Y, Wang H, Wang F, Jin Z, Chen Y, Weng S, Zeng X. A novel copy number variation in CATSPER2 causes idiopathic male infertility with normal semen parameters. Human Reproduction 2019, 34: 414-423. PMID: 30629171, DOI: 10.1093/humrep/dey377.Peer-Reviewed Original ResearchConceptsIdiopathic male infertilityNormal semen parametersWhole-cell patch-clamp techniqueMale infertilityPatch-clamp techniqueSemen parametersCatSper currentsIdiopathic infertilitySTUDY FUNDING/COMPETINGGenetic abnormalitiesCatSper genesChild Health HospitalReproductive medical centerNovel copy number variationsPARTICIPANTS/MATERIALSROLE OF CHANCEHuman male infertilityHealthy male donorsCopy number variationsHuman CatSperPrinciple Ca2Progesterone responseCase reportProvincial MaternalHealth Hospital