2007
Regional differences in the functional and biochemical properties of endothelin receptor subtypes in the rabbit prostatic urethra
Wada Y, Takahashi W, Latifpour J, Yamada, Kai N, Honda J, Nakanishi J, Weiss RM. Regional differences in the functional and biochemical properties of endothelin receptor subtypes in the rabbit prostatic urethra. BJU International 2007, 100: 430-437. PMID: 17559559, DOI: 10.1111/j.1464-410x.2007.07064.x.Peer-Reviewed Original ResearchConceptsContractile responseET receptor subtypesMaximum contractile responseProstatic urethraReceptor subtypesET-3ET receptorsET-1High-affinity binding sitesConcentration-dependent contractile responsesSubtype specificityEndothelin receptor subtypesSmooth muscle stripsReceptor-binding techniquesRegion-specific differencesEndothelin receptorsMuscle stripsRegional differencesDistal regionUrethraSubtypesReceptorsBQ123Low affinity constantInhibition experiments
2004
Age-Related Changes in the Properties of the Endothelin Receptor System at Protein and mRNA Levels in the Rat Vas Deferens
Yono M, Latifpour J, Takahashi W, Pouresmail M, Afiatpour P, Weiss RM. Age-Related Changes in the Properties of the Endothelin Receptor System at Protein and mRNA Levels in the Rat Vas Deferens. Journal Of Receptors And Signal Transduction 2004, 24: 53-66. PMID: 15344879, DOI: 10.1081/rrs-120034106.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnimalsAspartic Acid EndopeptidasesDNA PrimersDown-RegulationEndothelin-1Endothelin-3Endothelin-Converting EnzymesKineticsMaleMetalloendopeptidasesPolymerase Chain ReactionProtein BindingRatsRats, Inbred F344Receptor, Endothelin AReceptor, Endothelin BReceptors, EndothelinReverse Transcriptase Polymerase Chain ReactionRNA, MessengerVas DeferensConceptsEndothelin receptor systemET receptor systemAge-related changesWeek old ratsET receptorsMonth old ratsOld ratsET-1Receptor systemVas deferensReceptor subtypesRat vasET-3MRNA levelsAge groupsFunctional ET receptorsTotal ET receptorsReceptor subtype mRNAsReal-time reverse transcription-polymerase chain reactionRadioligand receptor bindingReverse transcription-polymerase chain reactionPredominant mRNA expressionRat vas deferensTranscription-polymerase chain reactionRadioligand receptor binding assays
2003
Regulatory effect of castration on endothelins, their receptors and endothelin‐converting enzyme in rat seminal vesicle
Takahashi W, Yono M, Wada Y, Ikeda K, Weiss R, Latifpour J. Regulatory effect of castration on endothelins, their receptors and endothelin‐converting enzyme in rat seminal vesicle. BJU International 2003, 92: 803-809. PMID: 14616470, DOI: 10.1046/j.1464-410x.2003.04466.x.Peer-Reviewed Original ResearchConceptsExpression of endothelinETB receptor subtypesET receptorsECE-1 mRNARat seminal vesicleReceptor subtypesSeminal vesiclesET-1Slide-mounted frozen sectionsET receptor systemET-3 mRNATotal ET receptorsETA receptor subtypeSprague-Dawley ratsReverse transcription-polymerase chain reactionExpression levelsExpression of ETAEffects of castrationEndothelin-converting enzymeMultiplex reverse transcription-polymerase chain reactionPolymerase chain reactionSmooth muscleET-3Autoradiographic studyFrozen sectionsDevelopmental changes in the functional, biochemical and molecular properties of rat bladder endothelin receptors
Afiatpour P, Latifpour J, Takahashi W, Yono M, Foster HE, Ikeda K, Pouresmail M, Weiss RM. Developmental changes in the functional, biochemical and molecular properties of rat bladder endothelin receptors. Naunyn-Schmiedeberg's Archives Of Pharmacology 2003, 367: 462-472. PMID: 12700883, DOI: 10.1007/s00210-003-0715-6.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnimalsAutoradiographyBinding SitesEndothelin-1Gene ExpressionIodine RadioisotopesMuscle ContractionMuscle, SmoothRadioligand AssayRatsRats, Inbred F344Receptor, Endothelin AReceptor, Endothelin BReverse Transcriptase Polymerase Chain ReactionRNA, MessengerTime FactorsUrinary BladderConceptsETA receptor subtypeSmooth muscle layerReceptor subtypesRat detrusorEndothelin receptorsET receptorsET-1Muscle layerSelective ETA receptor antagonistET receptor systemLarger contractile responsesTotal ET receptorsReceptor subtype mRNAsETA receptor antagonistETB receptor subtypesReal-time reverse transcription-polymerase chain reactionMuscle bath techniqueBladder smooth muscleReverse transcription-polymerase chain reactionTranscription-polymerase chain reactionAge-dependent decreaseAge-dependent alterationsReal-time RT-PCRContractile responseSubtype mRNAs
2002
Quantification of endothelins, their receptors, and endothelin-converting enzyme mRNA in rat genitourinary tract using real-time RT-PCR
Yono M, Takahashi W, Pouresmail M, Johnson DR, Foster HE, Weiss RM, Latifpour J. Quantification of endothelins, their receptors, and endothelin-converting enzyme mRNA in rat genitourinary tract using real-time RT-PCR. Journal Of Pharmacological And Toxicological Methods 2002, 48: 87-95. PMID: 14565565, DOI: 10.1016/s1056-8719(03)00022-4.Peer-Reviewed Original ResearchConceptsRat genitourinary tractGenitourinary tractET-1MRNA expressionET-3Receptor subtype mRNA expressionReceptor subtype mRNAsETA receptor subtypeReal-time reverse transcription-polymerase chain reactionSubtype mRNA expressionReverse transcription-polymerase chain reactionReceptor-mediated mechanismTranscription-polymerase chain reactionReal-time RT-PCRSubtype mRNAsPolymerase chain reactionReceptor subtypesRat bladderReal-time PCRDorsolateral prostateReceptor mRNAVentral prostateECE-1Computer-assisted programVas deferensThe effect of castration on endothelins, their receptors and endothelin converting enzyme in rat prostate
Takahashi W, Afiatpour P, Foster H, Ikeda K, Wada Y, Weiss RM, Latifpour J. The effect of castration on endothelins, their receptors and endothelin converting enzyme in rat prostate. Naunyn-Schmiedeberg's Archives Of Pharmacology 2002, 366: 166-176. PMID: 12122504, DOI: 10.1007/s00210-002-0575-5.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAspartic Acid EndopeptidasesAutoradiographyDiabetes Mellitus, ExperimentalDNA PrimersEndothelin-1Endothelin-3Endothelin-Converting EnzymesGene ExpressionMaleMetalloendopeptidasesMicroscopyOrchiectomyOrgan SizeProstateProtein BindingRadioligand AssayRatsRats, Sprague-DawleyReceptor, Endothelin AReceptor, Endothelin BReceptors, EndothelinReverse Transcriptase Polymerase Chain ReactionRNA, MessengerConceptsReceptor subtype mRNAsET receptor subtypesSerum testosterone levelsET receptorsRat prostateEffects of castrationReceptor subtypesSubtype mRNAsDorsolateral regionTestosterone levelsET-1Three-month-old SpraguePharmacological propertiesDiabetes-induced reductionET receptor systemET-3 mRNAETB receptor subtypesPost-operative dayReverse transcription-polymerase chain reactionVentral regionECE-1 mRNATranscription-polymerase chain reactionLight microscopy autoradiographyEnzyme-1 mRNAMultiplex reverse transcription-polymerase chain reaction
2001
Developmental changes in the biochemical and functional properties of endothelin receptors in rabbit renal pelvis
Wada Y, Latifpour J, Saito M, Afiatpour P, Weiss R. Developmental changes in the biochemical and functional properties of endothelin receptors in rabbit renal pelvis. BJU International 2001, 88: 950-959. PMID: 11851620, DOI: 10.1046/j.1464-4096.2001.2441.x.Peer-Reviewed Original ResearchConceptsRabbit renal pelvisTotal ET receptorsETA receptor subtypeRenal pelvisET receptorsET-1Age groupsContractile responseEndothelin receptorsPelvic regionReceptor subtypesSpontaneous activityET-1-induced contractile responseOld rabbitsDensities of ETAYoung rabbitsPresence of ETASubtype-selective compoundsReceptor-binding techniquesConcentration-dependent mannerETB subtypeEffect of ageETA receptorsETB receptorsMuscle stripsRegulatory effect of experimental diabetes on the expression of endothelin receptor subtypes and their gene transcripts in the rat adrenal gland
Ikeda K, Wada Y, Sanematsu H, Foster HE, Shin D, Weiss RM, Latifpour J. Regulatory effect of experimental diabetes on the expression of endothelin receptor subtypes and their gene transcripts in the rat adrenal gland. Journal Of Endocrinology 2001, 168: 163-175. PMID: 11139780, DOI: 10.1677/joe.0.1680163.Peer-Reviewed Original ResearchConceptsEndothelin-converting enzyme-1Rat adrenal glandET receptor subtypesInduction of diabetesAdrenal glandReceptor subtypesETB receptorsExperimental diabetesAge-matched control ratsECE-1 mRNA levelsET-3 mRNAPredominant receptor subtypeDiabetes-induced changesEndothelin receptor subtypesInsulin-treated diabeticsSecretion of steroidsReceptor subtypes ETARadioligand receptor bindingAdrenal gland sizeET-1 mRNAExpression levelsRegulatory effectsVascular toneET receptorsEndothelin action
2000
AGE-RELATED CHANGES IN CONTRACTILE RESPONSES OF RABBIT LOWER URINARY TRACT TO ENDOTHELIN
WADA Y, LATIFPOUR J, SANEMATSU H, AFIATPOUR P, WANG Z, SAITO M, NISHI K, WEISS R. AGE-RELATED CHANGES IN CONTRACTILE RESPONSES OF RABBIT LOWER URINARY TRACT TO ENDOTHELIN. Journal Of Urology 2000, 164: 806-813. PMID: 10953160, DOI: 10.1097/00005392-200009010-00054.Peer-Reviewed Original ResearchConceptsRabbit lower urinary tractSmooth muscle layerContractile responseLower urinary tractMonth-old rabbitsBladder domeUrinary tractET receptorsET-1Muscle layerMuscle stripsReceptor antagonistOld rabbitsReceptor subtypesMonths old male rabbitsSelective ETA receptor antagonistSelective ETB receptor antagonistMammalian urinary tractMediation of contractionSignificant contractile responseUrethral muscle stripsMaximal contractile responseET receptor subtypesETA receptor antagonistMaximum contractile responseAGE-RELATED CHANGES IN CONTRACTILE RESPONSES OF RABBIT LOWER URINARY TRACT TO ENDOTHELIN
WADA Y, LATIFPOUR J, SANEMATSU H, AFIATPOUR P, WANG Z, SAITO M, NISHI K, WEISS R. AGE-RELATED CHANGES IN CONTRACTILE RESPONSES OF RABBIT LOWER URINARY TRACT TO ENDOTHELIN. Journal Of Urology 2000, 164: 806-813. DOI: 10.1016/s0022-5347(05)67319-3.Peer-Reviewed Original ResearchConceptsRabbit lower urinary tractSmooth muscle layerContractile responseLower urinary tractMonth-old rabbitsBladder domeUrinary tractET receptorsET-1Muscle layerMuscle stripsReceptor antagonistOld rabbitsReceptor subtypesMonths old male rabbitsSelective ETA receptor antagonistSelective ETB receptor antagonistMammalian urinary tractMediation of contractionSignificant contractile responseUrethral muscle stripsMaximal contractile responseET receptor subtypesETA receptor antagonistMaximum contractile responseExpression of endothelin receptor subtypes and their messenger RNAs in diabetic rat prostate: Effect of insulin treatment
Saito M, Wado Y, Ikeda K, Wang Z, Foster H, Smith S, Weiss R, Latifpour J. Expression of endothelin receptor subtypes and their messenger RNAs in diabetic rat prostate: Effect of insulin treatment. Molecular And Cellular Biochemistry 2000, 210: 1-11. PMID: 10976752, DOI: 10.1023/a:1007041909477.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAutoradiographyBlood GlucoseBody WeightDiabetes Mellitus, ExperimentalEndothelin Receptor AntagonistsEndothelin-1InsulinIodine RadioisotopesMaleOrgan SizeProstateProtein IsoformsRadioligand AssayRandom AllocationRatsRats, Sprague-DawleyReceptor, Endothelin AReceptor, Endothelin BReceptors, EndothelinReverse Transcriptase Polymerase Chain ReactionRNA, MessengerTestosteroneUp-RegulationConceptsInduction of diabetesET receptorsReverse transcription-polymerase chain reactionRat prostateInsulin treatmentDiabetic animalsReceptor subtypesDiabetes-induced upregulationET receptor densityEndothelin receptor subtypesET receptor subtypesSTZ-injected ratsSerum testosterone levelsRadioligand receptor bindingDiabetic rat prostateTranscription-polymerase chain reactionDiabetic ratsETB receptorsSmaller prostatesEndothelin receptorsProstatic stromaTestosterone levelsReceptor densityPharmacological profileAutoradiographic studyGene expression, localization, and pharmacological characterization of endothelin receptors in diabetic rat bladder dome
Saito M, Wada Y, Ikeda K, Wang Z, Smith S, Foster H, Nishi K, Weiss R, Latifpour J. Gene expression, localization, and pharmacological characterization of endothelin receptors in diabetic rat bladder dome. European Journal Of Pharmacology 2000, 387: 253-263. PMID: 10650170, DOI: 10.1016/s0014-2999(99)00753-0.Peer-Reviewed Original ResearchConceptsRat bladder domeEndothelin receptorsBladder domeInsulin treatmentReceptor subtypesFunctional endothelin receptorsMammalian urinary tractEndothelin receptor subtypesInduction of diabetesAge-matched controlsReceptor alterationsExperimental diabetesUrinary tractPharmacological characterizationPharmacological profileMuscular layerMRNA upregulationAutoradiographic studyTranscription-polymerase chain reaction dataReceptorsExpression levelsDiabetesTissue componentsSubtypesTreatment
1999
Developmental aspects of endothelin receptors in rabbit lower urinary tract
Saito M, Latifpour J, Weiss R. Developmental aspects of endothelin receptors in rabbit lower urinary tract. Neurourology And Urodynamics 1999, 19: 71-85. PMID: 10602249, DOI: 10.1002/(sici)1520-6777(2000)19:1<71::aid-nau8>3.0.co;2-9.Peer-Reviewed Original ResearchConceptsLower urinary tractRabbit lower urinary tractEndothelin receptorsUrinary tractBladder baseBladder domeMale rabbitsEndothelin receptor subtypesAge-related alterationsOld male rabbitsET receptorsReceptor subtypesPharmacological characterizationPharmacological profileAged rabbitsSubtype specificityReceptorsTractDevelopment-related changesSimilar proportionsWeeksReceptor compoundsUrethraRabbitsRank order
1997
Muscarinic Receptor Subtypes and Receptor‐Coupled Phosphatidylinositol Hydrolysis in Rat Bladder Smooth Muscle
Mimata H, Nomura Y, Emoto A, Latifpour J, Wheeler M, Weiss R. Muscarinic Receptor Subtypes and Receptor‐Coupled Phosphatidylinositol Hydrolysis in Rat Bladder Smooth Muscle. International Journal Of Urology 1997, 4: 591-596. PMID: 9477190, DOI: 10.1111/j.1442-2042.1997.tb00315.x.Peer-Reviewed Original ResearchConceptsRat bladder smooth muscleBladder smooth muscleMuscarinic receptor subtypesSmooth muscleM3 receptorsReceptor subtypesPI hydrolysisCarbachol stimulationBladder smooth muscle contractionPhosphatidylinositol hydrolysisN-methylpiperidine methiodideRat urinary bladderSubtype-specific antagonistsSmooth muscle contractionProduction of IP3Expression of mRNAContractile responseUrinary bladderSpecific antagonistMuscle contractionBasal levelsInhibitory effectSubtypesReceptorsMuscleEvidence for the Presence of Regional Differences in the Subtype Specificity of Muscarinic Receptors in Rabbit Lower Urinary Tract
Mutoh S, Latifpour J, Saito M, Weiss R. Evidence for the Presence of Regional Differences in the Subtype Specificity of Muscarinic Receptors in Rabbit Lower Urinary Tract. Journal Of Urology 1997, 157: 717-721. PMID: 8996405, DOI: 10.1016/s0022-5347(01)65257-1.Peer-Reviewed Original ResearchConceptsCarbachol-induced contractile responsesBladder baseContractile responseBladder domeMuscarinic antagonistMuscarinic receptorsUrinary tractReceptor subtypesRabbit Lower Urinary TractSubtype-selective muscarinic antagonistsSubtype specificityContractile response curvesM2 receptor subtypeM3 receptor subtypeLower Urinary TractMuscarinic cholinergic receptorsMuscarinic cholinergic antagonistSelective muscarinic antagonistsConcentrations of carbacholTerms of efficacyCholinergic antagonistsCholinergic receptorsPA2 valuesAntagonist affinityUrethraEvidence for the Presence of Regional Differences in the Subtype Specificity of Muscarinic Receptors in Rabbit Lower Urinary Tract
Mutoh S, Latifpour J, Saito M, Weiss R. Evidence for the Presence of Regional Differences in the Subtype Specificity of Muscarinic Receptors in Rabbit Lower Urinary Tract. Journal Of Urology 1997, 157: 717-721.. DOI: 10.1097/00005392-199702000-00095.Peer-Reviewed Original ResearchCarbachol-induced contractile responsesBladder baseContractile responseBladder domeMuscarinic antagonistMuscarinic receptorsUrinary tractReceptor subtypesRabbit Lower Urinary TractSubtype-selective muscarinic antagonistsSubtype specificityContractile response curvesM2 receptor subtypeM3 receptor subtypeLower Urinary TractMuscarinic cholinergic receptorsMuscarinic cholinergic antagonistSelective muscarinic antagonistsConcentrations of carbacholTerms of efficacyCholinergic antagonistsCholinergic receptorsPA2 valuesAntagonist affinityUrethra
1996
Characterization of endothelin receptors in streptozotocin-induced diabetic rat vas deferens
Saito M, Nishi K, Fukumoto Y, Weiss R, Latifpour J. Characterization of endothelin receptors in streptozotocin-induced diabetic rat vas deferens. Biochemical Pharmacology 1996, 52: 1593-1598. PMID: 8937475, DOI: 10.1016/s0006-2952(96)00565-5.Peer-Reviewed Original ResearchConceptsET receptorsAge-matched controlsRat vasa deferentiaIRL 1620BQ-610Vasa deferentiaET-1ET-3ETA receptor subtypeGroups of ratsDiabetic ratsExperimental diabetesEndothelin receptorsPlasma levelsReceptor subtypesInsulin treatmentPeripheral tissuesRat vasPharmacological profileReceptor characteristicsFmol/StreptozotocinReceptorsWeeksEndothelinEffect of experimental diabetes on rat prostate endothelin receptors
Saito M, Nishi K, Foster H, Weiss R, Latifpour J. Effect of experimental diabetes on rat prostate endothelin receptors. European Journal Of Pharmacology 1996, 310: 197-200. PMID: 8884217, DOI: 10.1016/0014-2999(96)00422-0.Peer-Reviewed Original Research
1995
Regional differences in the density and subtype specificity of endothelin receptors in rabbit urinary tract
Latifpour J, Fukumoto Y, Weiss R. Regional differences in the density and subtype specificity of endothelin receptors in rabbit urinary tract. Naunyn-Schmiedeberg's Archives Of Pharmacology 1995, 352: 459-468. PMID: 8751073, DOI: 10.1007/bf00169378.Peer-Reviewed Original ResearchConceptsBladder baseSarafotoxin S6cBladder domeUrinary tractETB receptorsET-3Rabbit urinary tractSubtype specificityBQ-123Endothelin receptorsET receptorsReceptor subtypesET-1Human ETASelective ETA receptor antagonistSelective ETB agonistETA receptor antagonistETB receptor subtypesSingle receptor subtypeETA receptorsETB agonistChinese hamster ovary KReceptor antagonistSimilar binding studiesUrethra
1994
Diabetes-Induced Alterations in the Properties of Muscarinic Cholinergic Receptors in Rat Vas Deferens
Kamai T, Fukumoto Y, Gousse A, Yoshida M, Davenport T, Weiss R, Latifpour J. Diabetes-Induced Alterations in the Properties of Muscarinic Cholinergic Receptors in Rat Vas Deferens. Journal Of Urology 1994, 152: 1017-1021. PMID: 8051725, DOI: 10.1016/s0022-5347(17)32646-0.Peer-Reviewed Original ResearchConceptsMuscarinic cholinergic receptorsRat vasVas deferensCholinergic receptorsMuscarinic receptorsDiabetic insulin-treated ratsMuscarinic cholinergic receptor subtypesMuscarinic cholinergic receptor densityMembrane particulatesCholinergic receptor densityDiabetes-Induced AlterationsAF-DX 116Cholinergic receptor subtypesMuscarinic cholinergic antagonistAdministration of insulinInsulin-treated ratsAge-matched controlsRat vas deferensRank orderAdditional pharmacological studiesDiabetic ratsBladder domeCerebral cortexCholinergic antagonistsReceptor subtypes