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
3D structure and in situ arrangements of CatSper channel in the sperm flagellum
Zhao Y, Wang H, Wiesehoefer C, Shah NB, Reetz E, Hwang JY, Huang X, Wang TE, Lishko PV, Davies KM, Wennemuth G, Nicastro D, Chung JJ. 3D structure and in situ arrangements of CatSper channel in the sperm flagellum. Nature Communications 2022, 13: 3439. PMID: 35715406, PMCID: PMC9205950, DOI: 10.1038/s41467-022-31050-8.Peer-Reviewed Original ResearchConceptsCatSper complexSperm flagellaCryo-electron tomographyHigher-order organizationMammalian spermIntracellular domainStructural basisExtracellular domainTetrameric channelChannel CatSperSuccessful fertilizationFlagellar movementCatSper channelsChannel poreSitu mapSitu arrangementHuman sperm flagellumPrimary Ca2CatSperDimer formationFlagellaCentral roleSpermAtomic modelSperm motilityCatSper and its CaM‐like Ca2+ sensor EFCAB9 are necessary for the path chirality of sperm
Wiesehöfer C, Wiesehöfer M, Dankert JT, Chung J, von Ostau N, Singer BB, Wennemuth G. CatSper and its CaM‐like Ca2+ sensor EFCAB9 are necessary for the path chirality of sperm. The FASEB Journal 2022, 36: e22288. PMID: 35438819, PMCID: PMC9835897, DOI: 10.1096/fj.202101656rr.Peer-Reviewed Original ResearchConceptsNNC 55Exposure of spermMotility changesPharmacological inhibitionLateral head excursionCatSper activationIntracellular CaPhysiological stimuliCatSper channelsProtein 2Zona pellucida protein 2Zona pellucida glycoproteinsCapacitation stateCatSperHead excursionMouse spermPellucida glycoproteinsSpermSuccessful fertilizationMibefradilHigh frequencyCatSper and Two-Pore channels (TPC) in GtoPdb v.2022.1
Chung J, Clapham D, Garbers D, Grimm C, Ren D. CatSper and Two-Pore channels (TPC) in GtoPdb v.2022.1. IUPHAR/BPS Guide To Pharmacology CITE 2022, 2022 DOI: 10.2218/gtopdb/f70/2022.1.Peer-Reviewed Original ResearchTwo-pore channelsCatSper channelsCatSper subunitsLike subunitsPlasma membraneSperm tailPrinciple pieceCatSperIndividual domainsTPC1TPC3Number of TMGtoPdb v.TPC2SubunitsProteinVoltage-activated calcium channelsPermeant channelsChannel inhibitorsPatch clampCalcium channelsEndosomesMammalsCatSper1LysosomesC2cd6-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
2021
Molecular Evolution of CatSper in Mammals and Function of Sperm Hyperactivation in Gray Short-Tailed Opossum
Hwang JY, Maziarz J, Wagner GP, Chung JJ. Molecular Evolution of CatSper in Mammals and Function of Sperm Hyperactivation in Gray Short-Tailed Opossum. Cells 2021, 10: 1047. PMID: 33946695, PMCID: PMC8147001, DOI: 10.3390/cells10051047.Peer-Reviewed Original ResearchConceptsMolecular evolutionHigh sequence divergenceSperm-specific ion channelIQ-like motifSequence divergenceCatSper activityCatSper subunitsMolecular regulationFertilization environmentSperm hyperactivationCatSper proteinsAmerican marsupialsCatSper functionSequence analysisMarsupialsFemale reproductive tractGray Short-Tailed OpossumsEutheriansSperm flagellaCatSper channelsIon channelsCatSperCurrent understandingOpossumSperm
2020
3D in situ imaging of female reproductive tract reveals molecular signatures of fertilizing spermatozoa in mice
Ded L, Hwang JY, Miki K, Shi HF, Chung JJ. 3D in situ imaging of female reproductive tract reveals molecular signatures of fertilizing spermatozoa in mice. ELife 2020, 9: e62043. PMID: 33078708, PMCID: PMC7707823, DOI: 10.7554/elife.62043.Peer-Reviewed Original ResearchConceptsFemale reproductive tractFemale tractCalcium channel complexSitu molecular imagingReproductive tractMolecular insightsSuccessful fertilizationCatSper channelsMolecular signaturesSperm cellsSperm selectionChannel complexMouse spermatozoaFertilization siteSpermSperm migrationSpermatozoaMammalsPhosphorylationCatSper1ProteinSitu imagingAcrosomeUtero-tubal junctionSelection
2019
CatSper and Two-Pore channels (version 2019.4) in the IUPHAR/BPS Guide to Pharmacology Database
Chung J, Clapham D, Garbers D, Ren D. CatSper and Two-Pore channels (version 2019.4) in the IUPHAR/BPS Guide to Pharmacology Database. IUPHAR/BPS Guide To Pharmacology CITE 2019, 2019 DOI: 10.2218/gtopdb/f70/2019.4.Peer-Reviewed Original ResearchTwo-pore channelsCatSper channelsCatSper subunitsLike subunitsPlasma membraneSperm tailIUPHAR/BPS GuidePrinciple pieceCatSperIndividual domainsTPC1Number of TMTPC3TPC2SubunitsProteinVoltage-activated calcium channelsPermeant channelsChannel inhibitorsPatch clampCalcium channelsEndosomesMammalsPharmacology DatabaseCatSper1Dual Sensing of Physiologic pH and Calcium by EFCAB9 Regulates Sperm Motility
Hwang JY, Mannowetz N, Zhang Y, Everley RA, Gygi SP, Bewersdorf J, Lishko PV, Chung JJ. Dual Sensing of Physiologic pH and Calcium by EFCAB9 Regulates Sperm Motility. Cell 2019, 177: 1480-1494.e19. PMID: 31056283, PMCID: PMC8808721, DOI: 10.1016/j.cell.2019.03.047.Peer-Reviewed Original Research
2014
Structurally Distinct Ca2+ Signaling Domains of Sperm Flagella Orchestrate Tyrosine Phosphorylation and Motility
Chung JJ, Shim SH, Everley RA, Gygi SP, Zhuang X, Clapham DE. Structurally Distinct Ca2+ Signaling Domains of Sperm Flagella Orchestrate Tyrosine Phosphorylation and Motility. Cell 2014, 157: 808-822. PMID: 24813608, PMCID: PMC4032590, DOI: 10.1016/j.cell.2014.02.056.Peer-Reviewed Original ResearchConceptsTyrosine phosphorylationSperm-specific calcium channelsSpecific protein tyrosine phosphorylationProtein tyrosine phosphorylationSuper-resolution fluorescence microscopyMammalian flagellumUnique molecular phenotypeFlagellar switchHeterogeneous sperm populationsPaternal DNASignaling domainsMolecular phenotypesCatSper channelsMature eggsPhosphorylationFluorescence microscopyDistinct Ca2FlagellaAdaptive strategiesSperm populationCascade organizationSpermUniflagellateCalcium domainsPhosphoproteomics