2006
Age Related Changes in the Functional, Biochemical and Molecular Properties of α1-Adrenoceptors in the Rat Genitourinary Tract
Yono M, Foster HE, Weiss RM, Latifpour J. Age Related Changes in the Functional, Biochemical and Molecular Properties of α1-Adrenoceptors in the Rat Genitourinary Tract. Journal Of Urology 2006, 176: 1214-1219. PMID: 16890728, DOI: 10.1016/j.juro.2006.04.038.Peer-Reviewed Original ResearchConceptsRat genitourinary tractLower urinary tract symptomsUrinary tract symptomsBenign prostatic hyperplasiaAdrenoceptor antagonistGenitourinary tractTract symptomsBladder baseProstatic hyperplasiaDorsolateral prostateYoung ratsIsolated muscle bathMaximum contractile responseTranscriptase-polymerase chain reaction techniqueRadioligand receptor bindingReverse transcriptase-polymerase chain reaction techniqueSignificant age-dependent differencesAge-dependent differencesAge related changesHigher body weightAge related differencesContractile responseAdrenoceptor densityAdrenoceptor subtypesBladder dome
2003
Developmental 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
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 ResearchMeSH KeywordsAgingAnimalsAutoradiographyEndothelin-1Kidney PelvisMaleMuscle ContractionRabbitsRadioligand AssayReceptors, EndothelinConceptsRabbit 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. 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
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 affinityUrethra
1995
Age-dependent Alterations in beta-adrenergic Responsiveness of Rat Detrusor Smooth Muscle
Nishimoto T, Latifpour J, Wheeler M, Yoshida M, Weiss R. Age-dependent Alterations in beta-adrenergic Responsiveness of Rat Detrusor Smooth Muscle. Journal Of Urology 1995, 153: 1701-1705. PMID: 7715014, DOI: 10.1016/s0022-5347(01)67508-6.Peer-Reviewed Original ResearchConceptsElectrical field stimulationMaximum relaxant responseBeta-adrenergic receptorsMuscle stripsRelaxant responsesRelaxant effectTonic contractionMaximal KCl-induced contractionRat detrusor smooth muscleAge groupsMale Fischer 344 ratsDetrusor muscle stripsEFS-induced contractionsKCl-induced contractionBeta-adrenergic responsivenessDetrusor smooth muscleFischer 344 ratsBeta-adrenergic stimulationAge-dependent alterationsAge-related decreaseCyclic AMP productionDibutyryl cyclic AMPRat detrusorPhasic contractionsBladder detrusor
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 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 1
1989
Characterization 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 numberIsoproterenolEffects of experimental diabetes on biochemical and functional characteristics of bladder muscarinic receptors.
Latifpour J, Gousse A, Kondo S, Morita T, Weiss R. Effects of experimental diabetes on biochemical and functional characteristics of bladder muscarinic receptors. Journal Of Pharmacology And Experimental Therapeutics 1989, 248: 81-8. PMID: 2913290.Peer-Reviewed Original ResearchConceptsMuscarinic receptorsBladder domeDiabetic animalsMuscarinic agonistsExperimental diabetesRat bladder smooth muscleED50 valuesHigher serum glucose levelsBladder muscarinic receptorsLarger contractile responsesMuscarinic receptor propertiesAF-DX 116Serum insulin levelsSerum glucose levelsBladder smooth muscleM2 muscarinic receptorsAge-matched controlsLower body weightReceptor binding studiesBladder dysfunctionContractile responseCommon complicationDiabetes mellitusPeripheral neuropathyUrine output
1988
Ontogeny of Cyclic AMP and Cyclic GMP Phosphodiesterase Activities and of Calmodulin Levels in Guinea Pig Ureter
Cho Y, Wheeler M, Weiss R. Ontogeny of Cyclic AMP and Cyclic GMP Phosphodiesterase Activities and of Calmodulin Levels in Guinea Pig Ureter. Journal Of Urology 1988, 139: 1095-1098. PMID: 2834569, DOI: 10.1016/s0022-5347(17)42794-7.Peer-Reviewed Original Research
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 techniquesNorepinephrineAlphaUreteral Urine Transport: Changes in Bolus Volume, Peristaltic Frequency, Intraluminal Pressure and Volume of Flow Resulting from Autonomic Drugs
Morita T, Wada I, Saeki H, Tsuchida S, Weiss R. Ureteral Urine Transport: Changes in Bolus Volume, Peristaltic Frequency, Intraluminal Pressure and Volume of Flow Resulting from Autonomic Drugs. Journal Of Urology 1987, 137: 132-135. PMID: 3795356, DOI: 10.1016/s0022-5347(17)43904-8.Peer-Reviewed Original ResearchConceptsUreteral peristaltic frequencyPeristaltic frequencyContractile pressureBolus volumeIntraluminal pressureAutonomic nervous systemAutonomic agonistsAutonomic drugsNervous systemBaseline pressureExperimental modelSmall decreaseUrine transportBaselineResultant decreaseBolus formationFlow volumeElevationFluid transportNorepinephrineAcetylcholineDecreaseUreterAgonistsIsoproterenolAge-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
Age dependence of adenylate cyclase in guinea pig ureter homogenate.
Wheeler M, Housman A, Cho Y, Weiss R. Age dependence of adenylate cyclase in guinea pig ureter homogenate. Journal Of Pharmacology And Experimental Therapeutics 1986, 239: 99-103. PMID: 3761201.Peer-Reviewed Original ResearchRelaxant 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 relaxationForskolinEffects of Noradrenaline, Isoproterenol and Acetylcholine on Ureteral Resistance
Morita T, Wheeler M, Weiss R. Effects of Noradrenaline, Isoproterenol and Acetylcholine on Ureteral Resistance. Journal Of Urology 1986, 135: 1296-1298. PMID: 3712589, DOI: 10.1016/s0022-5347(17)46078-2.Peer-Reviewed Original ResearchCharacterization of Functional Beta-Adrenoceptor Subtypes in Rabbit Urinary Bladder Smooth Muscle
MORITA T, KONDO S, TSUCHIDA S, WEISS R. Characterization of Functional Beta-Adrenoceptor Subtypes in Rabbit Urinary Bladder Smooth Muscle. The Tohoku Journal Of Experimental Medicine 1986, 149: 389. PMID: 3022421, DOI: 10.1620/tjem.149.389.Peer-Reviewed Original ResearchConceptsTrigonal muscleRelaxant responsesM isoproterenolRabbit urinary bladder smooth muscleUrinary bladder smooth muscleSignificant relaxant responseSpontaneous contractile forceUrinary bladder domeBeta-adrenoceptor subtypesBeta-adrenoceptor agonistsBeta-adrenoceptor stimulationMaximum relaxant responseBladder smooth muscleM butoxamineM metoprololSelective betaBladder domeMuscle stripsM propranololSpecific betaDetrusorSmooth muscleMale rabbitsIsoproterenolContractile force