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https://www.readbyqxmd.com/read/28608967/urodynamic-effects-of-intravenous-and-intrathecal-administration-of-e-series-prostaglandin-1-receptor-antagonist-on-detrusor-overactivity-in-rats-with-spinal-cord-injury
#1
Naoki Wada, Katsumi Kadekawa, Tsuyoshi Majima, Takahiro Shimizu, Pradeep Tyagi, Hidehiro Kakizaki, Naoki Yoshimura
AIMS: We examined the effect of an E-series prostaglandin 1 (EP1) receptor antagonist on bladder activity using a rat model of spinal cord injury (SCI). METHODS: Female Sprague-Dawley rats were used. Six weeks after spinal cord transection, conscious-filling cystometry was performed. We evaluated the urodynamic parameters before and after intravenous (0.1 and 1.0 mg/kg) or intrathecal (0.1 and 1.0 µg) administration of SC51089, an EP1 antagonist. Spinal prostaglandin E2 (PGE2) concentration and EP1 receptor transcripts in the spinal cord and dorsal root ganglia (DRG) were measured by enzyme-linked immunosorbent assay and RT-PCR, respectively...
June 13, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28605059/amniotic-fluid-stem-cells-ameliorate-bladder-dysfunction-induced-by-chronic-bladder-ischemia-in-rat
#2
Ching-Chung Liang, Sheng-Wen Steven Shaw, Yi-Hao Lin, Tsong-Hai Lee
AIMS: This study investigated the protective effect of human amniotic fluid-derived stem cells (hAFSCs) against bladder overactivity in rat model of atherosclerosis-induced chronic bladder ischemia. METHODS: Adult female Sprague-Dawley rats were divided into six groups: (1) Normal control with a regular diet for 8 weeks, (2) Sham-operation, (3) arterial balloon endothelial injury (AEI) of common iliac artery (AEI only), and post-AEI consecutive hAFSCs treatment for (4) 1 day, (5) 3 days, and (6) 7 days...
June 12, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28595240/toll-like-receptor-7-is-overexpressed-in-the-bladder-of-hunner-type-interstitial-cystitis-and-its-activation-in-the-mouse-bladder-can-induce-cystitis-and-bladder-pain
#3
Koji Ichihara, Naoki Aizawa, Yoshiyuki Akiyama, Jun Kamei, Naoya Masumori, Karl-Erik Andersson, Yukio Homma, Yasuhiko Igawa
Toll-like receptor 7 (TLR7) is associated with the pathophysiology of systemic lupus erythematosus and Sjögren syndrome, well-known diseases accompanying interstitial cystitis (IC). We studied TLR7 expression in the bladder of patients with Hunner-type IC (HIC) and its functional roles in bladder inflammation and nociception using mice. Bladder biopsy specimens were obtained from patients with HIC. Specimens from the noncancerous portion of the bladder of patients with bladder cancer served as controls. The specimens were examined by immunohistochemistry and real-time polymerase chain reaction of TLR7...
May 6, 2017: Pain
https://www.readbyqxmd.com/read/28570547/evaluating-the-procedure-for-performing-awake-cystometry-in-a-mouse-model
#4
Travis K Mann-Gow, Troy R Larson, Chrissie T Wøien, Thomas M Andersen, Karl-Erik Andersson, Peter Zvara
Awake filling cystometry has been used for a long time to evaluate bladder function in freely moving mice, however, the specific methods used, vary among laboratories. The goal of this study was to describe the microsurgical procedure used to implant an intravesical tube and the experimental technique for recording urinary bladder pressure in an awake, freely moving mouse. In addition, experimental data is presented to show how surgery, as well as tubing type and size, affect lower urinary tract function and recording sensitivity...
May 20, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28569366/the-water-avoidance-stress-induces-bladder-pain-due-to-a-prolonged-alpha1a-adrenoceptor-stimulation
#5
Rita Matos, Paula Serrão, Larissa Rodriguez, Lori Ann Birder, Francisco Cruz, Ana Charrua
Bladder Pain Syndrome/Interstitial Cystitis (BPS/IC) remains an elusive disease with the cause for the pain unclear. BPS/IC patients present increased sympathetic activity and high levels of urinary noradrenaline. At the experimental level, it has been shown that chronic adrenergic stimulation produces pain and bladder changes through an alpha 1A adrenoceptor mediated mechanism. Water avoidance stress (WAS) in rodents reproduces signs of nociception and bladder changes seen in BPS/IC patients. In this study, we explore the possible role of alpha 1A adrenoceptor in bladder pain and morphological changes...
May 31, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28560089/characterization-of-a-murine-model-of-bioequivalent-bladder-wound-healing-and-repair-following-subtotal-cystectomy
#6
Mona Zarifpour, Karl-Erik Andersson, Sneha S Kelkar, Aaron Mohs, Cathy Mendelsohn, Kerry Schneider, Frank Marini, George J Christ
Previous work demonstrated restoration of a bioequivalent bladder within 8 weeks of removing the majority of the bladder (subtotal cystectomy or STC) in rats. The goal of the present study was to extend our investigations of bladder repair to the murine model, to harness the power of mouse genetics to delineate the cellular and molecular mechanisms responsible for the observed robust bladder regrowth. Female C57 black mice underwent STC, and at 4, 8, and 12 weeks post-STC, bladder repair and function were assessed via cystometry, ex vivo pharmacologic organ bath studies, and T2-weighted magnetic resonance imaging (MRI)...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28553656/effect-of-filling-rate-on-cystometric-parameters-in-young-and-middle-aged-mice
#7
Alexandra K Kim, Warren G Hill
OBJECTIVES: To investigate the effect of changing the bladder filling rate during cystometry in younger (2-3 months) and older (13-14 months) C57BL/6J male mice. METHODS: Cystometry was performed on mice under anesthesia. Voiding cycles were established in each mouse at a pump delivery rate of 17 μl/min. After 30 min, the rate was increased sequentially to 25, 33, 41 and 49 μl/min. Each rate was maintained for 30 min. The following cystometric parameters were quantified: peak pressure amplitude, intercontractile interval (ICI), compliance, micturition pressure threshold and voiding efficiency...
2017: Bladder
https://www.readbyqxmd.com/read/28538709/minimal-invasive-cystometry-and-intra-abdominal-pressure-assessments-in-rodents-a-novel-animal-study
#8
Yafei Yang, Jin Yang, Lin Chen, Jianyun Hu, Shasha Xing, Bastian Amend, Arnulf Stenzl, Xin Wei, Haifeng Hu
BACKGROUND The abdominal straining pattern can act as a novel parameter for improving the prediction of bladder outlet obstruction (BOO). To preserve detrusor function in the early stage of urinary system impairment, such as BOO, we establish a novel method for cystometry and Intra-abdominal pressure (IAP) assessments in rodents without cystostomy. MATERIAL AND METHODS Twenty mice and rats were divided into three groups (control, sham-operated and BOO group) respectively. The cystometry and IAP assessments were measured by the pediatric venous indwelling sheath and coronary dilatation catheter connected to Laborie urodynamic system on postoperative day 7...
May 24, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28520505/early-blockade-of-matrix-metalloproteinases-in-spinal-cord-injured-dogs-results-in-a-long-term-increase-in-bladder-compliance
#9
Jonathan Michael Levine, Noah D Cohen, Thomas Fandel, Gwendolyn Joan Levine, Joseph M Mankin, John F Griffin, Sharon C Kerwin, C Elizabeth Boudreau, Alpa Trivedi, Linda Noble-Haeusslein
Spinal cord injury (SCI) is often accompanied by reduced bladder compliance, which contributes to adverse conditions including urinary tract infections and vesicoureteral reflux. Reduced compliance is, in part, attributed to extensive remodeling of the bladder wall including the extracellular matrix (ECM). Here we tested the hypothesis that blockade of matrix metalloproteinases (MMPs), known for their ability to remodel the ECM, improves bladder compliance in dogs with SCI. We first evaluated dogs with naturally occurring SCIs resulting from intervertebral disc herniation (IVDH)...
May 18, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28506861/do-urinary-leakage-circumstances-in-women-with-urinary-incontinence-correlate-with-physician-diagnosis-and-urodynamic-results-a-questionnaire-validation-study
#10
Krystel Nyangoh Timoh, Arnaud Fauconnier, Marion Ravit, Georges Bader, Catalina Varas Ramos, Xavier Fritel
OBJECTIVES: To investigate if leakage circumstances collected using the Urinary Leakage Circumstances Questionnaire (ULCQ) are correlated with physician diagnosis and urodynamic results and resolve after surgery. METHODS: The ULCQ was developed to investigate leakage circumstances encountered by incontinent women. Women completed both the ULCQ and the International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form (ICIQ-UI SF) before clinical and urodynamic exam...
May 12, 2017: Urology
https://www.readbyqxmd.com/read/28503317/diagnostic-accuracy-of-single-channel-cystometry-for-neurogenic-bladder-diagnosis-following-spinal-cord-injury-a-pilot-study
#11
Akmal Hafizah Zamli, Kavitha Ratnalingam, Yusma Asni Yusmido, Kuo Ghee Ong
INTRODUCTION: This is a cross-sectional study of 1 year duration (August 2013 to August 2014). The objective of the study was to investigate the diagnostic accuracy of single channel cystometry (SCC) for confirmation of neurogenic bladder following spinal cord injury. MATERIALS AND METHODS: The study was conducted in both out-patient and in-patient services of Department of Rehabilitation Medicine, Hospital Sungai Buloh, Malaysia. Subjects in the study include sixteen patients with a clinical diagnosis of neurogenic bladder following spinal cord injury aged between 15 and 62 years...
2017: Spinal Cord Series and Cases
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
#12
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/effect-of-intravesical-liposome-based-nerve-growth-factor-antisense-therapy-on-bladder-overactivity-and-nociception-in-a-rat-model-of-cystitis-induced-by-hydrogen-peroxide
#13
Tsuyoshi Majima, Pradeep Tyagi, Koji Dogishi, Mahendra Kashyap, Yasuhito Funahashi, Momokazu Gotoh, Michael B Chancellor, Naoki Yoshimura
The aim of this study was to evaluate whether liposome-based local suppression of nerve growth factor (NGF) in the bladder has effects on bladder hypersensitivity in a rat cystitis model induced by intravesical instillation of hydrogen peroxide (HP). HP (1.5%) was intravesically administered to adult female Sprague-Dawley rats. Liposomes complexed with NGF antisense oligonucleotide (OND) labeled with TYE563 fluorescent tag were intravesically instilled on day 2. Red fluorescence from the TYE 563 tag was observed with fluorescent microscopy on day 3...
April 18, 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
#14
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
#15
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
#16
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...
July 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
#17
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
#18
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
#19
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
#20
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
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