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
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 strips
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 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
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
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
1992
Evidence for the presence of regional differences in the calcium antagonist receptors in lower urinary tract smooth muscle
Latifpour J, Yoshida M, Weiss R. Evidence for the presence of regional differences in the calcium antagonist receptors in lower urinary tract smooth muscle. Naunyn-Schmiedeberg's Archives Of Pharmacology 1992, 345: 679-687. PMID: 1386146, DOI: 10.1007/bf00164583.Peer-Reviewed Original ResearchAge-related changes in calcium antagonist receptors in rabbit ureter.
Yoshida M, Latifpour J, Weiss R. Age-related changes in calcium antagonist receptors in rabbit ureter. Neonatology 1992, 18: 100-7. PMID: 1483355, DOI: 10.1159/000480603.Peer-Reviewed Original Research
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
1990
Autonomic receptors in urinary tract: sex and age differences.
Latifpour J, Kondo S, O'Hollaren B, Morita T, Weiss R. Autonomic receptors in urinary tract: sex and age differences. Journal Of Pharmacology And Experimental Therapeutics 1990, 253: 661-7. PMID: 2338651.Peer-Reviewed Original ResearchConceptsAlpha-2 adrenergic receptorsBladder domeBladder baseBeta-adrenergic receptorsAdrenergic receptorsCholinergic receptorsMuscarinic receptorsUrinary tractAlpha-2 adrenergic receptor densityLower urinary tract smooth muscleUrinary tract smooth muscleRabbit bladder baseAlpha 2A subtypeMuscarinic cholinergic receptorsAdrenergic receptor densityLower urinary tractSelective adrenergic agonistsAdult rat cortexNeonatal rat lungBeta-2 adrenergic receptorsAutonomic receptorsAge-related differencesRat cortexAdrenergic agonistsMale urethra
1989
The Characterization of Beta-Adrenergic Receptor Subtypes of the Upper and Lower Renal Pelvis in Rabbits
Kondo S, Latifpour J, Morita T, Weiss R. The Characterization of Beta-Adrenergic Receptor Subtypes of the Upper and Lower Renal Pelvis in Rabbits. Journal Of Urology 1989, 142: 1099-1101. PMID: 2571737, DOI: 10.1016/s0022-5347(17)39004-3.Peer-Reviewed Original ResearchConceptsBeta-adrenergic receptorsBeta 2 subtypeRenal pelvisRabbit renal pelvisLower pelvisSelective antagonistBeta-2 selective antagonistBeta-adrenergic receptor subtypesUpper renal pelvisBeta 2 receptorsRadioligand binding techniquesBeta-1 selective antagonistReceptor subtypesBeta receptorsPelvisBeta 1ReceptorsSubtypesICIBinding techniquesSaturation studiesSignificant differencesSites BmaxAntagonistGreater proportionCharacterization of Autonomic Receptors in Neonatal Urinary Tract Smooth Muscle
Latifpour J, Morita T, O'Hollaren B, Kondo S, Weiss R. Characterization of Autonomic Receptors in Neonatal Urinary Tract Smooth Muscle. Neonatology 1989, 13: 1-10. PMID: 2570683, DOI: 10.1159/000457575.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic AgonistsAnimalsAnimals, NewbornCarbacholClonidineDihydroalprenololDose-Response Relationship, DrugIn Vitro TechniquesMuscle ContractionMuscle, SmoothPrazosinQuinuclidinyl BenzilateRabbitsReceptors, Adrenergic, alphaReceptors, Adrenergic, betaReceptors, MuscarinicUrinary TractYohimbineConceptsUrinary tract smooth muscleSmooth muscleAutonomic receptorsBeta-adrenergic receptor densityAlpha-1 adrenergic receptorsNeonatal urinary tractAlpha 2 receptorsAlpha 1 receptorsAlpha-adrenergic agonistsFunctional muscarinic receptorsRelaxant responsesBladder baseBladder domeMuscarinic receptorsUrinary tractReceptor densityAdult rabbitsAlpha 2ReceptorsMuscleAgonistsRank orderRabbitsHigher numberIsoproterenol
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 techniquesNorepinephrineAlphaAge-Related Changes in Contractile Force of Rabbit Detrusor Muscle to Prostaglandin E1, E2 and F2α
Morita T, Wheeler M, Weiss R. Age-Related Changes in Contractile Force of Rabbit Detrusor Muscle to Prostaglandin E1, E2 and F2α. Urologia Internationalis 1987, 42: 44-48. PMID: 3473790, DOI: 10.1159/000281848.Peer-Reviewed Original Research
1986
Relaxant Effect of Forskolin in Rabbit Detrusor Smooth Muscle: Role of Cyclic AMP
Morita T, Wheeler M, Weiss R. Relaxant Effect of Forskolin in Rabbit Detrusor Smooth Muscle: Role of Cyclic AMP. Journal Of Urology 1986, 135: 1293-1295. PMID: 3012124, DOI: 10.1016/s0022-5347(17)46077-0.Peer-Reviewed Original ResearchConceptsDetrusor muscleRelaxant effectRabbit detrusor muscle stripsDetrusor muscle relaxationDetrusor muscle stripsRabbit detrusor muscleConcentration-dependent relaxationDetrusor smooth muscleRabbit detrusor smooth muscleBeta-adrenergic antagonistsBeta-adrenergic receptorsCyclic AMPCyclic AMP levelsAdenylate cyclase inhibitorRabbit detrusorMuscle stripsMuscle relaxationSmooth muscleCyclase inhibitorPhosphodiesterase inhibitorRelaxation responseAMP levelsAdenylate cyclaseDependent relaxationForskolin