2006
Pacemaker activity in the upper urinary tract
Weiss RM, Tamarkin FJ, Wheeler MA. Pacemaker activity in the upper urinary tract. Journal Of Smooth Muscle Research 2006, 42: 103. PMID: 17099294, DOI: 10.1540/jsmr.42.103.Peer-Reviewed Original ResearchConceptsSmooth muscle cellsTypical smooth muscle cellsMuscle cellsUreteral peristalsisCapsaicin-sensitive sensory afferentsAlpha-smooth muscle actinNormal ureteral peristalsisUpper urinary tractUreteral peristaltic activityUrinary collecting systemTyrosine kinase receptorsSensory afferentsUrinary tractEndogenous releasePeristaltic activityPacemaker activityMuscle actinAction potentialsPacemaker siteC-kitPacemaker cellsProximal portionCollecting systemSparse immunoreactivityElectrical activity
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
Age-dependent changes in particulate and soluble guanylyl cyclase activities in urinary tract smooth muscle
Wheeler M, Pontari M, Dokita S, Nishimoto T, Cho Y, Hong K, Weiss R. Age-dependent changes in particulate and soluble guanylyl cyclase activities in urinary tract smooth muscle. Molecular And Cellular Biochemistry 1997, 169: 115-124. PMID: 9089638, DOI: 10.1023/a:1006823611864.Peer-Reviewed Original ResearchConceptsSoluble guanylyl cyclase activityAdult guinea pigsGuanylyl cyclase activityCyclase activityBladder domeSodium nitroprussideGuinea pigsUrinary tract smooth muscleGuanylyl cyclaseAtrial natriuretic factorParticulate guanylyl cyclaseAge-dependent changesAge-specific differencesUrinary tractNatriuretic factorSmooth muscleUreterUrethraRelaxation responseBladderInduced activationNitroprussideTissueRank orderAge
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
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 Research
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
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 numberIsoproterenol
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 ResearchMeSH KeywordsElectromyographyFollow-Up StudiesHumansMalePrognosisSpinal Cord DiseasesUrethraUrinary TractUrodynamicsConceptsUrethral 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