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 miceSpermatogenesisC2cd6-encoded CatSperτ targets sperm calcium channel to Ca2+ signaling domains in the flagellar membrane
Hwang JY, Wang H, Lu Y, Ikawa M, Chung JJ. C2cd6-encoded CatSperτ targets sperm calcium channel to Ca2+ signaling domains in the flagellar membrane. Cell Reports 2022, 38: 110226. PMID: 34998468, PMCID: PMC8857959, DOI: 10.1016/j.celrep.2021.110226.Peer-Reviewed Original ResearchConceptsFlagellar membraneFlagellar membrane targetingC2 domain proteinsCatSper channelsCatSper channel complexMammalian sperm cellsSperm hyperactivated motilityMale fertilityMembrane targetingTrafficking machineryDomain proteinsLoss of functionHyperactivated motilitySpatiotemporal CaChannel assemblyMolecular mechanismsSperm cellsChannel complexFlagellaMotilityC2CD6MembraneCalcium channelsMachineryProtein
2020
Sperm ion channels and transporters in male fertility and infertility
Wang H, McGoldrick LL, Chung JJ. Sperm ion channels and transporters in male fertility and infertility. Nature Reviews Urology 2020, 18: 46-66. PMID: 33214707, PMCID: PMC7852504, DOI: 10.1038/s41585-020-00390-9.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsSperm ion channelsIon channelsSperm cellsMammalian sperm cellsIon signalingDynamic regulationDefective sperm functionFemale reproductive tractChannel CatSperHuman geneticsMembrane receptorsMale fertilityHealth careAttractive targetDirect electrophysiological recordingsOverall health careHuman infertilityReproductive health careSperm functionPrincipal Ca2Development of contraceptivesSperm activityGene variantsReproductive tractGenetic abnormalities