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 motility
2016
Diethylstilbestrol activates CatSper and disturbs progesterone actions in human spermatozoa
Zou Q, Peng Z, Zhao Q, Chen H, Cheng Y, Liu Q, He Y, Weng S, Wang H, Wang T, Zheng L, Luo T. Diethylstilbestrol activates CatSper and disturbs progesterone actions in human spermatozoa. Human Reproduction 2016, 32: 290-298. PMID: 28031325, DOI: 10.1093/humrep/dew332.Peer-Reviewed Original ResearchConceptsNon-genomic mannerProgesterone actionHuman sperm functionEndocrine-disrupting chemicalsSperm intracellular calcium concentrationsWhole-cell patch-clamp techniqueSperm functionHuman spermatozoaPARTICIPANTS/MATERIALSHuman sperm penetrationIndicator Fluo-4 AMIntracellular calcium concentrationROLE OF CHANCEAcrosome reactionEffects of diethylstilbestrolPatch-clamp techniqueFluo-4 AMFemale reproductive tract fluidsMale reproductive systemTyrosine phosphorylationReproductive tract fluidsDES exposurePostnatal exposureEstrogenic endocrine disruptorsAbility of spermMatrine compromises mouse sperm functions by a [Ca2+]i-related mechanism
Luo T, Zou Q, He Y, Wang H, Wang T, Liu M, Chen Y, Wang B. Matrine compromises mouse sperm functions by a [Ca2+]i-related mechanism. Reproductive Toxicology 2016, 60: 69-75. PMID: 26867864, DOI: 10.1016/j.reprotox.2016.02.003.Peer-Reviewed Original ResearchConceptsMouse sperm functionSperm functionDaily dosesIntraperitoneal injectionMale miceSperm countTestis weightReproductive toxicityMiceChinese medicineCatSper channelsMatrineProgressive motilityAcrosome reactionKey regulatorMouse spermTotal motilitySperm viabilityGene expressionTestis sizeMotilitySpermDoses
2015
Matrine Inhibits Mouse Sperm Function by Reducing Sperm [Ca2+]i and Phospho-ERK1/2
Luo T, Zou Q, He Y, Wang H, Li N, Zeng X. Matrine Inhibits Mouse Sperm Function by Reducing Sperm [Ca2+]i and Phospho-ERK1/2. Cellular Physiology And Biochemistry 2015, 35: 374-385. PMID: 25591778, DOI: 10.1159/000369703.Peer-Reviewed Original ResearchMeSH KeywordsAcrosome ReactionAlkaloidsAniline CompoundsAnimalsCalcimycinCalciumFemaleFertilization in VitroMaleMatrinesMiceMice, Inbred C57BLMicroscopy, FluorescenceMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Patch-Clamp TechniquesPhosphorylationPotassiumQuinolizinesSperm MotilitySpermatozoaXanthenesConceptsMouse sperm functionIntracellular calcium concentrationSperm functionCauda epididymal spermMouse spermPhosphorylation of ERK1/2Acrosome reaction rateEpididymal spermMouse cauda epididymal spermFertilization abilityPharmacological effectsPotassium currentP-ERK1/2Phospho-ERK1/2Calcium concentrationChinese medicineKinase 1/2Male reproductionSignificant reductionMatrineMature mouse spermProgressive motilityAcrosome reactionMotilityTotal motility