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
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. 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 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. 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 response
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
1998
CHARACTERIZATION, LOCALIZATION AND DISTRIBUTION OF alpha1 ADRENOCEPTOR SUBTYPE IN MALE RABBIT URETHRA
NISHI K, LATIFPOUR J, SAITO M, FOSTER H, YOSHIDA M, WEISS R. CHARACTERIZATION, LOCALIZATION AND DISTRIBUTION OF alpha1 ADRENOCEPTOR SUBTYPE IN MALE RABBIT URETHRA. Journal Of Urology 1998, 160: 196-205. PMID: 9628650, DOI: 10.1016/s0022-5347(01)63090-8.Peer-Reviewed Original ResearchConceptsAlpha1 adrenoceptorsRabbit urethraMale rabbit urethraSelective alpha1-adrenoceptor antagonistAnti-alpha smooth muscle actinAlpha1-adrenoceptor antagonistRabbit urethral smooth muscleUrethral smooth muscleRadioligand receptor bindingSmooth muscle actinSmooth muscle fibersLight microscopic autoradiographySingle high-affinity binding siteAdrenoceptor antagonistBMY 7378Distal urethraWB 4101Immunohistochemical studyPharmacological characterizationSmooth musclePharmacological profileAdrenoceptorsUrethraMuscle actinHigh-affinity binding sites
1997
Evidence 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 affinityUrethra
1995
Effect of Carbachol and Norepinephrine on Phosphatidyl Inositol Hydrolysis and Cyclic Amp Levels in Guinea Pig Urinary Tract
Wheeler M, Martin T, Weiss R. Effect of Carbachol and Norepinephrine on Phosphatidyl Inositol Hydrolysis and Cyclic Amp Levels in Guinea Pig Urinary Tract. Journal Of Urology 1995, 153: 2044-2049. PMID: 7752391, DOI: 10.1016/s0022-5347(01)67399-3.Peer-Reviewed Original ResearchConceptsPhosphatidyl inositol hydrolysisPI hydrolysisCyclic AMP levelsCAMP levelsBladder domeAMP levelsUrinary tract functionEffect of carbacholGuinea-pig ureterAgonist-induced changesBasal cAMP levelsUrinary tractMuscarinic cholinergicTract functionSecond messenger systemsCarbacholNorepinephrinePig ureterSustained increaseUreterUrethraSecond messenger levelsMessenger systemsForskolinTransitory increase
1994
Involvement of nitric oxide and cyclic GMP in rabbit urethral relaxation
Dokita S, Smith S, Nishimoto T, Wheeler M, Weiss R. Involvement of nitric oxide and cyclic GMP in rabbit urethral relaxation. European Journal Of Pharmacology 1994, 266: 269-275. PMID: 7513645, DOI: 10.1016/0922-4106(94)90136-8.Peer-Reviewed Original ResearchConceptsNitric oxide synthase activityTransmural nerve stimulationOxide synthase activityRabbit urethraNerve stimulationNOS activityL-arginineSoluble nitric oxide synthaseNitric oxide synthase inhibitorRelaxation responseNitric oxideCyclic GMPOxide synthase inhibitorNitric oxide synthaseCyclic GMP levelsUrethral relaxationNG-nitroRank orderOxide synthaseSynthase activityNG-methylSynthase inhibitorElectrical stimulationUrethraSame rank order
1993
Age-related changes in Ca2+ channel antagonist receptors in rabbit lower urinary tract
Yoshida M, Latifpour J, Weiss R. Age-related changes in Ca2+ channel antagonist receptors in rabbit lower urinary tract. European Journal Of Pharmacology 1993, 232: 159-167. PMID: 8385616, DOI: 10.1016/0014-2999(93)90769-e.Peer-Reviewed Original ResearchConceptsLower urinary tractBladder baseBladder domeUrinary tractChannel antagonistsRabbit lower urinary tractBay K 8644Channel antagonist receptorsAge-dependent changesDensity of Ca2Age-related changesAntagonist binding sitesReceptor densityPharmacological profileAntagonist receptorsRabbit urethraUrethraAge groupsBmax valuesDays rabbitsAntagonistTractWeeksRank orderBinding sites
1991
Pharmacological characterization of alpha adrenergic receptors in the young and old female rabbit urethra.
Yoshida M, Latifpour J, Nishimoto T, Weiss R. Pharmacological characterization of alpha adrenergic receptors in the young and old female rabbit urethra. Journal Of Pharmacology And Experimental Therapeutics 1991, 257: 1100-8. PMID: 1675287.Peer-Reviewed Original ResearchConceptsConcentration-response curvesFemale rabbit urethraContractile responseAdrenergic receptorsRabbit urethraAge groupsAlpha-2 adrenergic receptorsED50 valuesEmax valuesConcentration-dependent contractionsMaximum contractile responsePhenylephrine-induced contractionAlpha-adrenergic receptorsAlpha 1B subtypeMuscle bath techniqueYounger age groupsAge-dependent differencesPharmacological characterizationClonidinePharmacological characteristicsOxymetazolinePhenylephrineNorepinephrineFree bufferAlpha 1NG-nitro-L-arginine inhibits non-adrenergic, non-cholinergic relaxation in rabbit urethral smooth muscle
Dokita S, Morgan W, Wheeler M, Yoshida M, Latifpour J, Weiss R. NG-nitro-L-arginine inhibits non-adrenergic, non-cholinergic relaxation in rabbit urethral smooth muscle. Life Sciences 1991, 48: 2429-2436. PMID: 1675415, DOI: 10.1016/0024-3205(91)90377-n.Peer-Reviewed Original ResearchConceptsElectrical field stimulationRelaxation responseNG-nitroField stimulationL-arginineSelective cyclic GMP phosphodiesterase inhibitorNitric oxideNon-cholinergic relaxationRabbit urethral smooth muscleNon-cholinergic nervesUrethral smooth muscleUrethral smooth muscle stripsSmooth muscle stripsL-arginine inhibitsSoluble guanylate cyclaseNitric oxide biosynthesisCyclic GMP phosphodiesterase inhibitorMuscle stripsSmooth musclePhosphodiesterase inhibitorGuanylate cyclaseCyclic GMPStimulationInhibitorsResponse
1987
Sex differences in function and distribution of alpha 1- and alpha 2-adrenoceptors in rabbit urethra
Morita T, Latifpour J, O'Hollaren B, Wheeler M, Weiss R. Sex differences in function and distribution of alpha 1- and alpha 2-adrenoceptors in rabbit urethra. American Journal Of Physiology 1987, 252: f1124-f1128. PMID: 3035945, DOI: 10.1152/ajprenal.1987.252.6.f1124.Peer-Reviewed Original ResearchConceptsContractile responseFemale urethraMale urethraAlpha 1Rabbit urethraRadioligand receptor binding techniquesFemale rabbit urethraLarger contractile responsesSmall contractile responseAlpha-adrenergic agonistsUrethral smooth muscleReceptor binding techniquesReceptor binding studiesIsolated urethraSmooth muscleContractile propertiesUrethraFemale rabbitsContractile forceAgonistsInduced increasesAlpha 2Binding techniquesNorepinephrineAlpha
1981
Prognostic Value of Urodynamic Testing in Myelodysplastic Patients
McGuire E, Woodside J, Borden T, Weiss R. Prognostic Value of Urodynamic Testing in Myelodysplastic Patients. Journal Of Urology 1981, 126: 205-209. PMID: 7196460, DOI: 10.1016/s0022-5347(17)54449-3.Peer-Reviewed Original ResearchConceptsUrethral closure pressureMyelodysplastic patientsIntravesical pressureIntermittent catheterizationUrinary controlDetrusor responseUreteral dilatationVesicoureteral refluxExcretory urographyUrethral leakageVesical outletExternal urethral sphincter electromyographyHigh urethral closure pressureUpper urinary tract deteriorationClosure pressureGood urinary controlReflex detrusor activityUrethral sphincter electromyographyUrinary tract deteriorationCent of patientsDetrusor-sphincter dyssynergiaFluoroscopic voiding cystourethrographyLow-pressure groupUrethral pressure profilometryAnticholinergic therapy
1976
Treatment of Autonomic Dysreflexia with Phenoxybenz Amine
Mcguire E, Wagner F, Weiss R. Treatment of Autonomic Dysreflexia with Phenoxybenz Amine. Journal Of Urology 1976, 115: 53-55. PMID: 1246113, DOI: 10.1016/s0022-5347(17)59065-5.Peer-Reviewed Original Research
1975
Secondary bladder neck obstruction in patients with urethral valves Treatment with phenoxybenzamine
McGuire E, Weiss R. Secondary bladder neck obstruction in patients with urethral valves Treatment with phenoxybenzamine. Urology 1975, 5: 756-758. PMID: 1136085, DOI: 10.1016/0090-4295(75)90347-7.Peer-Reviewed Original ResearchConceptsBladder neck obstructionNeck obstructionSecondary bladder neck obstructionAlpha-adrenergic blocking agentAdministration of phenoxybenzamineBladder neck revisionTreatment of patientsValve fulgurationValve treatmentUrethral resistanceBlocking agentPatientsObstructionPhenoxybenzamineReversible methodTreatmentHarmful effectsFulgurationAgentsAdministration
1974
Vesicoureteral reflux simulating renal mass lesions
Weiss R, Schiff M. Vesicoureteral reflux simulating renal mass lesions. Urology 1974, 4: 389-391. PMID: 4472572, DOI: 10.1016/0090-4295(74)90004-1.Peer-Reviewed Original Research
1973
Scrotal Flap Urethroplasty for Strictures of the Deep Urethra in Infants and Children
Mcguire E, Weiss R. Scrotal Flap Urethroplasty for Strictures of the Deep Urethra in Infants and Children. Journal Of Urology 1973, 110: 599-602. PMID: 4750908, DOI: 10.1016/s0022-5347(17)60292-1.Peer-Reviewed Original Research
1971
Cutaneous Vesicostomy for Temporary Urinarydiversion in Infants
Lytton B, Weiss R. Cutaneous Vesicostomy for Temporary Urinarydiversion in Infants. Journal Of Urology 1971, 105: 888-891. PMID: 4933342, DOI: 10.1016/s0022-5347(17)61654-9.Peer-Reviewed Original Research