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
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
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
2000
Functional impairment of lens aquaporin in two families with dominantly inherited cataracts
Francis P, Chung JJ, Yasui M, Berry V, Moore A, Wyatt MK, Wistow G, Bhattacharya SS, Agre P. Functional impairment of lens aquaporin in two families with dominantly inherited cataracts. Human Molecular Genetics 2000, 9: 2329-2334. PMID: 11001937, DOI: 10.1093/oxfordjournals.hmg.a018925.Peer-Reviewed Original ResearchConceptsAQP0 proteinMutant proteinsWater channel activityDominant-negative behaviorOocyte plasma membraneOocyte expression systemXenopus laevis oocyte expression systemLens aquaporinsDifferent point mutationsPlasma membraneExpression systemSevere defectsPoint mutationsMissense mutationsProteinChannel activityAQP2 proteinRecessive traitFunctional defectsPathophysiological relevanceMutationsCongenital cataractFamilyCataract formationAQP0