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https://www.readbyqxmd.com/read/28446460/inhibition-of-cholinergic-neurotransmission-by-%C3%AE-3-adrenoceptors-depends-on-adenosine-release-and-a1-receptors-activation-in-human-and-rat-urinary-bladders
#1
Isabel Silva, Ana Filipa Costa, Sílvia Moreira, Fátima Ferreirinha, Maria Teresa Magalhães-Cardoso, Isabel Calejo, Miguel Silva-Ramos, Paulo Correia-de-Sá
The direct detrusor relaxant effect of β3-adrenoceptor agonists as a primary mechanism to improve overactive bladder symptoms has been questioned. Among other targets, activation of β3-adrenoceptors down-modulate nerve-evoked acetylcholine (ACh) release, but there is insufficient evidence for the presence of these receptors on bladder cholinergic nerve terminals. Our hypothesis is that adenosine formed from the catabolism of cyclic AMP in the detrusor may act as a retrograde messenger via prejunctional A1 receptors to explain inhibition of cholinergic activity by β3-adrenoceptors...
April 26, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28446032/the-effect-of-intravesical-liposome-based-ngf-antisense-therapy-on-bladder-overactivity-and-nociception-in-a-rat-model-of-cystitis-induced-by-hydrogen-peroxide
#2
Tsuyoshi Majima, Pradeep Tyagi, Koji Dogishi, Mahendra Kashyap, Yasuhito Funahashi, Momokazu Gotoh, Michael Chancellor, Naoki Yoshimura
Objective We investigated the effect of intravesical liposome-based NGF antisense therapy on bladder overactivity and nociception in a rat model of cystitis induced by hydrogen peroxide (HP). Study design, materials and methods 1) HP (1.5%) was administered into the bladder on day 0. Liposomes conjugated with NGF antisense oligonucleotide (OND) tagged with TYE563 fluorescent protein was given into the bladder on day 2. The expression of TYE563 was observed under a fluorescent microscope on day 3. 2) In another set of experiments, rats were divided into 4 groups: (a) sham- liposome group, (b) sham-OND group, (c) cystitis- liposome group and (d) cystitis-OND group...
April 27, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28429053/self-assessment-of-treatment-compliance-with-antimuscarinic-drugs-and-lower-urinary-tract-condition-among-women-with-urinary-incontinence
#3
Kirill Kosilov, Sergey Loparev, Irina Kuzina, Olga Shakirova, Natalya Zhuravskaya, Alexandra Lobodenko
AIM: Our aim was to determine the efficiency of the Medication Compliance Self-Report Inventory (MASRI) in self-reporting antimuscarinic drug treatment compliance among women with urinary incontinence (UI). MATERIALS AND METHODS: The study assessed 347 women aged 18-65 (averaging 49.7) years with more than one urinary incontinence (UI) episode per day. Treatment compliance was tested at the beginning and at weeks 4, 8, and 12 using the MASRI, the Brief Medication Questionnaire (BMQ), and visual pill counts...
April 20, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28420508/a-promising-protein-responsible-for-overactive-bladder-in-ovariectomized-mice
#4
Huey-Yi Chen, Chao-Jung Chen, Wen-Chi Chen, Shih-Jing Wang, Yung-Hsiang Chen
OBJECTIVE: Ovariectomy (OVX) in mice is a model mimicking a neuro-electronic proof of an overactive bladder in postmenopausal women. Overactive bladder (OAB) was recently found to be due to an altered gap junction protein in a rat model. Thus, this study was conducted to evaluate changes in cell junction protein expression and composition in the bladder of OVX mice. MATERIALS AND METHODS: Thirty-six virgin female mice were randomized into three groups: mice with a sham operation only (control), OVX mice without estradiol (E2) replacement, and OVX mice with E2 replacement (OVX + E2)...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28417339/expression-and-function-of-the-small-conductance-ca-2-activated-k-channel-is-decreased-in-urinary-bladder-smooth-muscle-cells-from-female-guinea-pig-with-partial-bladder-outlet-obstruction
#5
Ning Li, Honglin Ding, Xiaoning He, Zizheng Li, Yili Liu
PURPOSE: Overactive bladder (OAB), usually accompanied by partial bladder outlet obstruction (PBOO), is associated with detrusor overactivity (DO) which is related to the increased urinary bladder smooth muscle (UBSM) cells excitability. Small-conductance Ca(2+)-activated K(+) (SK) channels play a constitutive regulatory role of UBSM excitability and contractility. PBOO is associated with the decreased SK channels mRNA expression and the attenuated regulative effect of SK channels on UBSM contractility...
April 17, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28405960/outcome-measures-of-adjustable-transobturator-male-system-with-pre-attached-scrotal-port-for-male-stress-urinary-incontinence-after-radical-prostatectomy-a-prospective-study
#6
Javier C Angulo, Ignacio Arance, Cristina Esquinas, Juan F Dorado, João P Marcelino, Francisco E Martins
INTRODUCTION: The objective of this study was to report outcome measures with third-generation pre-attached scrotal port adjustable transobturator male system (ATOMS) for male stress urinary incontinence (SUI) after radical prostatectomy. METHODS: A prospective open study was conducted on consecutive patients. Evaluation included cough test, urethroscopy, filling and voiding cystometry, 24-h pad count and pad test, patient-reported outcomes (ICIQ-SF, IIQ-7, PGI, GRA, and VAS), complications according to the Clavien-Dindo system, operative results, number of adjustments, and filling of the system...
April 12, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28396595/p2y6-deficiency-increases-micturition-frequency-and-attenuates-sustained-contractility-of-the-urinary-bladder-in-mice
#7
Satoru Kira, Mitsuharu Yoshiyama, Sachiko Tsuchiya, Eiji Shigetomi, Tatsuya Miyamoto, Hiroshi Nakagomi, Keisuke Shibata, Tsutomu Mochizuki, Masayuki Takeda, Schuichi Koizumi
The role of the P2Y6 receptor in bladder function has recently attracted a great deal of attention in lower urinary tract research. We conducted this study to determine contributions of the P2Y6 receptor in lower urinary tract function of normal phenotypes by comparing P2Y6-deficient mice and wild-type mice. In in vivo experiments, P2Y6-deficient mice had more frequent micturition with smaller bladder capacity compared to wild-type mice; however, there was no difference between these groups in bladder-filling pressure/volume relationships during cystometry under decerebrate, unanaesthetized conditions...
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28394500/naftopidil-improves-symptoms-in-a-rat-model-of-tranilast-induced-interstitial-cystitis
#8
Kimio Sugaya, Saori Nishijima, Katsumi Kadekawa, Katsuhiro Ashitomi, Tomoyuki Ueda, Hideyuki Yamamoto
OBJECTIVE: The effect of naftopidil on symptoms of tranilast-induced interstitial cystitis (IC) was examined in rats. METHODS: Thirty-two female rats were divided into four groups (control, naftopidil, tranilast, and combination groups). Rats in the control group were fed a standard diet, while rats in the naftopidil, tranilast, and combination groups were fed diets containing naftopidil, tranilast, or naftopidil + tranilast, respectively. After 4 weeks of treatment, locomotor activity was measured and continuous cystometry was performed...
May 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/28394495/effect-of-naftopidil-on-bladder-microcirculation-in-a-rat-model-of-bladder-outlet-obstruction
#9
Tsuyoshi Majima, Tokunori Yamamoto, Yasuhito Funahashi, Shun Takai, Yoshihisa Matsukawa, Masaki Yoshida, Momokazu Gotoh
OBJECTIVES: To evaluate the effect of naftopidil on bladder capillary blood flow using bladder outlet obstruction model rats. METHODS: Female Sprague-Dawley rats were divided into three groups: control group, bladder-outlet-obstruction group, and bladder-outlet-obstruction + naftopidil group. Bladder-outlet-obstruction surgery was performed in the bladder-outlet-obstruction and bladder-outlet-obstruction + naftopidil groups. The control group received sham-operation...
May 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/28328190/effects-of-nitric-oxide-inhibitors-in-mice-with-bladder-outlet-obstruction
#10
Marcy Lancia Pereira, Carlos Arturo Levi D'ancona, Julio Alejandro Rojas-Moscoso, Antonio Celso Saragossa Ramos, Fabiola Zakia Monica, Edson Antunes
PURPOSE: To investigate the lower urinary tract changes in mice treated with L-NAME, a non-selective competitive inhibitor of nitric oxide synthase (NOS), or aminoguanidine, a competitive inhibitor of inducible nitric oxide synthase (iNOS), after 5 weeks of partial bladder outlet obstruction (BOO), in order to evaluate the role of constitutive and non-constitutive NOS in the pathogenesis of this experimental condition. MATERIALS AND METHODS: C57BL6 male mice were partially obstructed and randomly allocated into 6 groups: Sham, Sham + L-NAME, Sham + aminoguanidine, BOO, BOO + L-NAME and BOO + aminoguanidine...
March 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28294142/inosine-attenuates-spontaneous-activity-in-the-rat-neurogenic-bladder-through-an-a2b-pathway
#11
Claire Doyle, Vivian Cristofaro, Bryan S Sack, Stefan N Lukianov, Mattias Schäfer, Yeun Goo Chung, Maryrose P Sullivan, Rosalyn M Adam
Neurogenic detrusor overactivity (NDO) is among the most challenging complications of spinal cord injury (SCI). A recent report by us demonstrated an improvement in NDO in SCI rats following chronic systemic treatment with the purine nucleoside inosine. The objective of this study was to investigate the mechanism of action of inosine underlying improvement of NDO. Male Sprague-Dawley rats underwent complete spinal cord transection at T8. Inosine (1 mM) delivered intravesically to SCI rats during conscious cystometry significantly decreased the frequency of spontaneous non-voiding contractions...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28263050/clinical-significance-of-intravesical-prostatic-protrusion-in-the-management-of-benign-prostatic-enlargement-a-systematic-review-and-critical-analysis-of-current-evidence
#12
Malte Rieken, Fabrizio Presicce, Riccardo Autorino, Cosimo De Nunzio
INTRODUCTION: Filling cystometry and pressure flow studies (PFS) are the most widespread used invasive urodynamic techniques in the assessment of male LUTS. However, these techniques are time- and cost-intensive. Intravesical prostatic protrusion (IPP) has been proposed as non-invasive method used to diagnose bladder outlet obstruction (BOO) in men with male lower urinary tract symptoms (LUTS). The purpose of the present review is to analyze the diagnostic and therapeutic relevance of IPP...
March 6, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28248041/-urinary-bladder-substitution-using-combined-membrane-based-on-secretions-of-human-mesenchymal-stem-cells-and-type-i-collagen
#13
V I Kirpatovckii, D M Kamalov, A Yu Efimenko, P I Makarevich, G D Sagaradze, O A Makarevich, P P Nimiritskii, E O Osidak, S P Domogatskii, V K Karpov, Z H A Akopyan, V A Tkachuk, A A Kamalov
AIM: Despite the widespread use of intestinal cystoplasty, urinary bladder substitution remains a challenging problem due to the complexity of operations and the potentially high risk of complications. A promising alternative may be bio-engineered collagen-based matrices containing stem cells or their secretions. MATERIAL AND METHODS: To evaluate the effectiveness of this bladder substitution modality, an experiment was conducted on 14 male rabbits. The animals underwent resection of urinary bladder, and the formed defect was substituted with a membrane of type I collagen (series 1, 5 rabbits) or a membrane of the same composition containing a conditioned medium with secretion of mesenchymal stem/stromal cells derived from human adipose tissue (series 2, 5 rabbits)...
December 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28220079/muro-neuro-urodynamics-a-review-of-the-functional-assessment-of-mouse-lower-urinary-tract-function
#14
REVIEW
Hiroki Ito, Anthony E Pickering, Yasuhiko Igawa, Anthony J Kanai, Christopher H Fry, Marcus J Drake
Background: Mouse urodynamic tests are fundamental to understanding normal lower urinary tract (LUT) function. These experiments also contribute to our understanding of neurological dysfunction, pathophysiological processes, and potential mechanisms of therapy. Objectives: Systematic assessment of published evidence on urodynamics, advantages and limitations of different urodynamic measurements in mice, and consideration of potential implications for the clinical field. Methods: A search using specific search-terms for urodynamic studies and mice was conducted on PubMed (from inception to 1 July 2016)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28186672/bladder-transplantation-of-amniotic-fluid-stem-cell-may-ameliorate-bladder-dysfunction-after-focal-cerebral-ischemia-in-rat
#15
Ching-Chung Liang, S W Steven Shaw, Yung-Hsin Huang, Yi-Hao Lin, Tsong-Hai Lee
The objective is to investigate whether human amniotic fluid stem cells (hAFSCs) grafting into the bladder may influence bladder functional and molecular changes in an animal stroke model. Female rats were divided into three groups: sham, middle cerebral artery occlusion (MCAO) alone, and MCAO plus 1 × 10(6) hAFSCs transplanting into bladder wall. Bladder function was analyzed by cystometry at days 3 and 10 after MCAO. The expressions of bladder nerve growth factor (NGF), M2-muscarinic, M3-muscarinic, and P2X1 receptors were measured by immunohistochemistry and real-time polymerase chain reaction...
April 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28181685/effects-of-estrogen-receptor-%C3%AE-stimulation-in-a-rat-model-of-non-bacterial-prostatic-inflammation
#16
Shinsuke Mizoguchi, Kenichi Mori, Zhou Wang, Teresa Liu, Yasuhito Funahashi, Fuminori Sato, Donald B DeFranco, Naoki Yoshimura, Hiromitsu Mimata
BACKGROUND: There is increasing evidence showing that chronic non-bacterial prostatic inflammation is involved in the pathogenesis of benign prostatic hyperplasia (BPH) and male lower urinary tract symptoms (LUTS). It has also been reported that estrogen receptor β (ERβ) could have an immunoprotective role in prostatic tissue. Therefore, we investigated the effect of ERβ-activation on not only prostatic inflammation, but also bladder overactive conditions in a rat model with nonbacterial prostatic inflammation...
May 2017: Prostate
https://www.readbyqxmd.com/read/28176494/ultrasound-bladder-wall-thickness-and-detrusor-overactivity-a-multicentre-test-accuracy-study
#17
P Latthe, L Middleton, S Rachaneni, S McCooty, J Daniels, A Coomarasamy, M Balogun, J Duckett, R Thakar, I Goranitis, T Roberts, J Deeks
OBJECTIVE: Women with overactive bladder (OAB) often undergo urodynamics before invasive treatments are considered. Ultrasound measurement of bladder wall thickness (BWT) is a less invasive, less expensive and widely available test. It has the potential to diagnose the presence of detrusor overactivity (DO). We aimed to evaluate the accuracy of BWT in the diagnosis of DO. DESIGN: Prospective cohort study. SETTING: Twenty-two UK clinics (university and district general hospitals)...
February 7, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28169451/an-optimized-transurethral-catheterization-cystometry-in-mice-and-comparison-with-classic-suprapubic-catheterization-cystometry
#18
Zhuoyi Xiang, Yaohui Li, Tingchang Bian, Minke He, Yeqing Xu, Guomin Wang, Jianming Guo, Hang Wang
AIMS: The aim of this study is to establish an optimized, minimally invasive transurethral catheterization cystometry (TUCC) and a novel urethral pressure profile (UPP) measurement for mice. METHODS: The optimized TUCC and the UPP measurement were first established. This optimized TUCC was then performed in 16 anesthetized female mice and compared with the suprapubic catheterization cystometry (SCC) in parallel after suprapubic catheters implantation (SCI; on zero, third, and seventh day, respectively)...
February 7, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28124533/cystometric-analysis-of-the-transplanted-bladder
#19
Jeová Nina Rocha
OBJECTIVE: cystometric evaluation of the bladder after autotransplant and isogeneic transplant in female rats. MATERIAL AND METHODS: two groups were constituted: (A) bladder autotransplant with two subgroups: R1 - (control) and R2 - (bladder transplant); (B) isogeneic bladder transplant with three subgroups; T1 - (control); T2-T3, two subgroups observed for 30 and 60 days after transplant, respectively. All animals underwent cystometric evaluation. Afterwards, the bladders were removed for histological study...
January 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28120449/correlation-between-advanced-glycation-end-products-lower-urinary-tract-symptoms-and-bladder-dysfunctions-in-patients-with-type-2-diabetes-mellitus
#20
Alessandro Galì, Giuseppe Mucciardi, Salvatore Butticè, Enrica Subba, Carmela D'Amico, Francesco Lembo, Carlo Magno
OBJECTIVES: To explore whether serum and urinary advanced glycation end-products (AGEs) are related to urinary symptoms and bladder dysfunctions in diabetic patients. METHODS: Forty-seven patients with type 2 Diabetes mellitus (T2DM) and lower urinary tract symptoms (LUTS) were enrolled. LUTS evaluation was performed by IPSS (International Prostatic Symptoms Score), QoL (quality of life), OAB (overactive bladder). ICI-SF (International Consultation on Incontinence - short form) quaestionneires; ultrasound examination, evaluation of postvoid residual (PVR), uroflowmetry, cystometry with pressure-flow study (PFS) were performed to detect bladder dysfunctions...
January 2017: Lower Urinary Tract Symptoms
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