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 motilityRedox 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
Physiologically detectable bisphenol A impairs human sperm functions by reducing protein-tyrosine phosphorylation
Li N, Kang H, Peng Z, Wang H, Weng S, Zeng X. Physiologically detectable bisphenol A impairs human sperm functions by reducing protein-tyrosine phosphorylation. Ecotoxicology And Environmental Safety 2021, 221: 112418. PMID: 34146982, DOI: 10.1016/j.ecoenv.2021.112418.Peer-Reviewed Original ResearchConceptsHuman sperm viabilityHuman sperm functionHuman spermExposure of BPASperm functionProgesterone-induced acrosome reactionProtein tyrosine phosphorylationProtein tyrosine phosphorylation levelsAcrosome reactionMale infertilityHealthy peopleMouse sperm motilitySperm viabilityCalcium signalingPhosphorylation levelsTyrosine phosphorylation levelsBisphenol ASperm motilityProgressive motilityHyperactivationMotilityDetectable concentrationRemarkable declineTyrosine phosphorylationPlastic monomersGenetic Defects in DNAH2 Underlie Male Infertility With Multiple Morphological Abnormalities of the Sperm Flagella in Humans and Mice
Hwang JY, Nawaz S, Choi J, Wang H, Hussain S, Nawaz M, Lopez-Giraldez F, Jeong K, Dong W, Oh JN, Bilguvar K, Mane S, Lee CK, Bystroff C, Lifton RP, Ahmad W, Chung JJ. Genetic Defects in DNAH2 Underlie Male Infertility With Multiple Morphological Abnormalities of the Sperm Flagella in Humans and Mice. Frontiers In Cell And Developmental Biology 2021, 9: 662903. PMID: 33968937, PMCID: PMC8103034, DOI: 10.3389/fcell.2021.662903.Peer-Reviewed Original ResearchMultiple morphological abnormalitiesMale infertility casesMorphological abnormalitiesWhole-exome sequencingIrregular flagellaInfertility casesSperm flagella formationMMAF phenotypeSevere formMale infertilityAsthenozoospermic patientsMutant miceNon-synonymous variantsAbnormalitiesRecessive variantsCellular mechanismsGenetic factorsMMAFGenetic defectsPatientsMiceHeavy chain domainSperm morphologyAsthenozoospermiaSperm motility
2017
Exposure to Cadmium Impairs Sperm Functions by Reducing CatSper in Mice
Wang H, Chang M, Peng T, Yang Y, Li N, Luo T, Cheng Y, Zhou M, Zeng X, Zheng L. Exposure to Cadmium Impairs Sperm Functions by Reducing CatSper in Mice. Cellular Physiology And Biochemistry 2017, 42: 44-54. PMID: 28554186, DOI: 10.1159/000477113.Peer-Reviewed Original ResearchConceptsAdult male C57BL/6 miceMale C57BL/6 miceImpair sperm functionAcute cadmium exposureSperm functionSperm-specific Ca2C57BL/6 miceReproductive toxicityCadmium exposureWestern blottingDifferent dosesSperm dysfunctionExpression levelsEnvironmental heavy metalsToxic effectsMiceEndocrine disruptorsCatSperSperm motilityMouse spermatozoaSpecific roleToxicityExposureMotilityDysfunction
2016
Bisphenol A Impairs Mature Sperm Functions by a CatSper-Relevant Mechanism
Wang H, Liu M, Li N, Luo T, Zheng L, Zeng X. Bisphenol A Impairs Mature Sperm Functions by a CatSper-Relevant Mechanism. Toxicological Sciences 2016, 152: 145-154. PMID: 27125968, DOI: 10.1093/toxsci/kfw070.Peer-Reviewed Original ResearchConceptsToxicity of BPANormal mouse spermSperm functionMature sperm functionVivo administrationEndocrine-disrupting chemicalsWestern blotDifferent dosesSignificant decreaseSperm total motilitySignificant reductionBisphenol AMiceSperm motilityMouse spermMouse spermatozoaMotilityCatSperTotal motilityToxicity