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https://www.readbyqxmd.com/read/29734214/alleviation-of-cyclophosphamide-induced-hemorrhagic-cystitis-by-dietary-pomegranate-a-comparative-experimental-study-with-mesna
#1
Negin Mahmoudi, Sahar Eftekharzadeh, Marzieh Golmohammadi, Reza Khorramirouz, Javad Hashemi, Zeinab Kashani, Maryam Alijani, Amir Ali Hamidieh, Abdol-Mohammad Kajbafzadeh
In this study, we investigated the effects of pomegranate on alleviating cyclophosphamide-induced hemorrhagic cystitis (HC). Initially, 16 Sprague-Dawley rats were allocated into 4 groups: group 1 (control), group 2 (CP) in which HC was induced by cyclophosphamide; group 3 (CP+M), HC-induced rats that received Mesna regimen, and group 4 (CP+P), which compromised rats that had been on a 14-day diet of pomegranate juice before HC induction. Cystometry was performed a few hours before euthanasia; after euthanasia, aortic blood samples and bladder tissue samples were obtained to perform TUNEL assay, and histopathologic and biochemical assessments...
May 4, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29717937/deletion-or-pharmacological-blockade-of-toll-like-receptor-4-tlr4-confers-protection-against-cyclophosphamide-induced-mouse-cystitis
#2
Mariana G de Oliveira, Fabiola Zakia Mónica, Fabiano B Calmasini, Eduardo C Alexandre, Edith B G Tavares, Antonio G Soares, Soraia K P Costa, Edson Antunes
Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) is a chronic inflammatory disease without consistently effective treatment. We investigate the role of toll-like receptor (TLR4) on voiding dysfunction and inflammation in the cyclophosphamide (CYP)-induced mouse cystitis. Males C57BL/6 (wild-type, WT) and/or TLR4 knockout (TLR4-/-) were treated with an injection of CYP (300 mg/kg, 24 h) or saline (10 ml/kg). The pharmacological blockade of the TLR4 by resatorvid (10 mg/kg) was also performed 1 h prior CYP-injection in WT mice...
May 2, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29677909/re-international-continence-society-good-urodynamic-practices-and-terms-2016-urodynamics-uroflowmetry-cystometry-and-pressure-flow-study
#3
https://www.readbyqxmd.com/read/29667730/succinate-decreases-bladder-function-in-a-rat-model-associated-with-metabolic-syndrome
#4
Monica Velasquez Flores, Abubakr H Mossa, Philippe Cammisotto, Lysanne Campeau
AIMS: Succinate and its receptor, GPR91, have been implicated in different aspects of metabolic syndrome. As GPR91 is expressed in the urinary bladder, the aim of this study is to show the effect of chronically increased succinate levels on bladder function. MATERIALS AND METHODS: Healthy Sprague-Dawley (SD) rats and hypertensive Dahl rats received an intraperitoneal injection of either saline or succinate (50 mg/kg) daily for a period of 4 weeks. Conscious cystometry was performed at the end of this period...
April 18, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29664149/evidence-for-an-urethro-vesical-crosstalk-mediated-by-serotonin
#5
Ana Coelho, Raquel Oliveira, Helena Cavaleiro, Celia Duarte Cruz, Francisco Cruz
AIM: To study the contribution of urethral serotonin for the urethro-vesical crosstalk METHODS: Urethane-anesthetized female rats and TPH1-/- mice underwent isovolumetric or urethral-opened cystometries during intravesical or intraurethral infusion of saline or serotonin solutions. Human and rat bladders and urethrae were immunoreacted against serotonin and neuronal markers. Serotonin concentration and TPH1 mRNA were determined in rat tissue by HPLC and qPCR. RESULTS: In rats, under isovolumetric conditions, intraurethral serotonin infusion, but not saline, evoked bladder contractions...
April 17, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29643467/potential-orphan-drug-therapy-of-intravesical-liposomal-onabotulinumtoxin-a-for-ketamine-induced-cystitis-by-mucosal-protection-and-anti-inflammation-in-a-rat-model
#6
Wei-Chia Lee, Chia-Hao Su, You-Lin Tain, Cheng-Nan Tsai, Chun-Chieh Yu, Yao-Chi Chuang
Ketamine abusers may develop ulcerative cystitis and severe lower urinary tract symptoms, which is a medical dilemma. Recently, researchers have found the endemic of ketamine-induced cystitis worldwide. The intravesical administration of liposome-encapsulated onabotulinumtoxinA (Lipotoxin) might facilitate the healing of the damaged urothelium from liposomes, and reduce the urinary symptoms by onabotulinumtoxinA-induced chemo-denervation. Using female Sprague-Dawley rats, we investigated the effects of Lipotoxin on ketamine-induced cystitis...
April 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29617074/evaluation-of-urodynamic-parameters-after-sling-surgery-in-men-with-post-prostatectomy-urinary-incontinence
#7
Odair Gomes Paiva, João Paulo Cunha Lima, Carlos Alberto Bezerra
OBJECTIVE: To evaluate urodynamic alterations after sub-urethral sling surgery (SSU) in patients with post-prostatectomy urinary incontinence (PPUI). MATERIALS AND METHODS: We evaluated data of 22 patients submitted to radical prostatectomy (RP) or transurethral resection of prostate (TURP) that presented post-surgical urinary incontinence and were treated with SSU implant in a pilot study previously performed in our institution. METHODS: Those patients with PPUI were evaluated by urodynamic exam (UD) before and after surgery, and the parameters were compared, including uroflow, cystometry and micturition study...
January 25, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29609419/add-on-therapy-with-the-%C3%AE-blockers-tamsulosin-and-naftopidil-improves-voiding-function-by-enhancing-neuronal-activity-in-prostatic-hyperplasia-rats
#8
Il-Gyu Ko, Lakkyong Hwang, Jun-Jang Jin, Sang-Hoon Kim, Jin Hee Han, Jung Won Jeon, Sung Tae Cho
PURPOSE: Benign prostatic hyperplasia (BPH) impacts quality of life in men by causing lower urinary tract symptoms. α1-Adrenoceptor (α1-AR) blockers improve lower urinary tract symptoms. We investigated the efficacy of add-on therapy with α1-AR blockers on BPH rats. METHODS: Rats in the drug-treated groups were orally administered each drug once a day for 30 days after orchiectomy. To induce BPH, rats were castrated and testosterone (20 mg/kg) was injected subcutaneously once per day for 30 days...
March 2018: International Neurourology Journal
https://www.readbyqxmd.com/read/29603801/bladder-overdistension-with-polyuria-in-a-hypertensive-rat-model
#9
Monica Velasquez Flores, Abubakr H Mossa, Philippe Cammisotto, Lysanne Campeau
AIMS: Polyuria can lead to progressive chronic bladder overdistension. The impact of polyuria on the bladder has been extensively studied in settings of either diabetes or sucrose diuresis in animals. The goal of this study was to investigate the outcomes of polyuria in a hypertension setting. MATERIALS AND METHODS: Male Dahl/SS rats, a hypertension model, received a high-salt or normal diet for 6 weeks. Twenty-four-hour water intake, micturition patterns, and blood pressures were recorded biweekly...
March 31, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29603534/low-intensity-extracorporeal-shock-wave-therapy-ameliorates-diabetic-underactive-bladder-in-streptozocin-induced-diabetic-rats
#10
Hsun Shuan Wang, Byung Seok Oh, Bohan Wang, Yajun Ruan, Jun Zhou, Lia Banie, Yung Chin Lee, Arianna Tamaddon, Zhou Tie, Guifang Wang, Guiting Lin, Tom F Lue
OBJECTIVES: To evaluate the therapeutic effect of once-per-week low-intensity extracorporeal shock wave therapy (Li-ESWT) on underactive bladder (UAB) in the streptozotocin-induced diabetic rat model. MATERIALS AND METHODS: Thirty-six female Sprague-Dawley rats were assigned into 3 groups: normal control (NC), diabetes control (DMC), and diabetes underwent Li-ESWT (DM Li-ESWT). The two DM groups received intraperitoneal 60 mg/kg streptozotocin injection to induce diabetes mellitus...
March 30, 2018: BJU International
https://www.readbyqxmd.com/read/29580270/overactive-bladder-induces-transient-hypertension
#11
Kazumasa Torimoto, Yoshihiro Matsumoto, Daisuke Gotoh, Yosuke Morizawa, Makito Miyake, Shoji Samma, Nobumichi Tanaka, Akihide Hirayama, Kiyohide Fujimoto
OBJECTIVES: Several studies have shown the relationship between lower urinary tract symptoms and autonomic imbalance. We investigated the relationship between detrusor overactivity (DO) or urgency, and transient increase in blood pressure as a type of hypertension related to sympathetic hyperactivity. Study 1: we enrolled 14 male patients with DO and 10 without DO. We measured the overactive bladder symptom score (OABSS) and blood pressure during cystometry. Study 2: we enrolled 14 men patients with overactive bladder (OAB) and 8 without OAB...
March 27, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29527985/surgical-challenge-in-pediatric-kidney-transplant-lower-urinary-tract-abnormality
#12
Atsushi Aikawa, Masaki Muramatsu, Yusuke Takahashi, Yuko Hamasaki, Junya Hashimoto, Mai Kubota, Youji Hyoudou, Yoshihiro Itabashi, Takeshi Kawamura, Seiichiro Shishido
Lower urinary tract abnormalities are difficult to resolve in pediatric kidney transplant patients. Measure of residual urine, voiding cystourethrography, retrograde urethrography, cystometry, electromyography of urethral external sphincter muscle, urethrometry, and uroflowmetry are the primary methods for evaluation of lower urinary tract abnormalities. Endoscopic resection or ablation of urethral valves is required in children with posterior urethral valve to treat obstruction, but bladder function does not always recover and may deteriorate to end-stage renal failure even after the obstruction is released...
March 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29520560/effects-of-combined-treatment-of-tadalafil-and-tamsulosin-on-bladder-dysfunction-via-the-inhibition-of-afferent-nerve-activities-in-a-rat-model-of-bladder-outlet-obstruction
#13
Akira Furuta, Yasuyuki Suzuki, Taro Igarashi, Yusuke Koike, Shin Egawa, Naoki Yoshimura
PURPOSE: To investigate the effects of combined treatment of tadalafil (a phosphodiesterase-5 inhibitor) and tamsulosin (an α1 -adrenoceptor antagonist) on bladder dysfunction in a rat model of bladder outlet obstruction (BOO). METHODS: Cystometry was performed in conscious female BOO rats 6 weeks after partially ligation of the urethra. Either tadalafil (0.03, 0.1 and 0.3 mg/kg) or tamsulosin (0.001, 0.003 and 0.01 mg/kg) was cumulatively applied intravenously at 30-min intervals to examine changes in cystometric parameters and blood pressures...
May 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29516546/the-effect-of-neutralization-of-nerve-growth-factor-ngf-on-bladder-and-urethral-dysfunction-in-mice-with-spinal-cord-injury
#14
Naoki Wada, Takahiro Shimizu, Nobutaka Shimizu, William C de Groat, Anthony J Kanai, Pradeep Tyagi, Hidehiro Kakizaki, Naoki Yoshimura
AIMS: To investigate the role of nerve growth factor (NGF) in lower urinary tract dysfunction in mice with spinal cord injury (SCI). METHODS: Using 4-week SCI mice, single-filling cystometry and external urethral sphincter (EUS)-electromyography were performed under an awake condition. In some SCI mice, anti-NGF antibodies (10 µg/kg/h) were administered for 1 or 2 weeks before the urodynamic study. NGF levels in the bladder and L6/S1 spinal cord were assayed by ELISA...
March 8, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29508446/predicting-a-successful-outcome-in-sacral-neuromodulation-testing-are-urodynamic-parameters-prognostic
#15
Richard P Nobrega, Eskinder Solomon, Julie Jenks, Tamsin Greenwell, Jeremy Ockrim
AIMS: To assess whether the urodynamic parameters of mean voided volume, peak detrusor overactivity (DO) pressure, bladder compliance, capacity, and volume at first detrusor overactivity during filling cystometry can predict a successful outcome at first stage tined lead placement (FSTLP). METHODS: Ninty-nine consecutive patients with urodynamically proven idiopathic detrusor overactivity (IDO) refractory to medical treatment and opting for Sacral Nerve Stimulation (SNS), were assessed pre and post FSTLP...
March 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29508437/inhibitory-effects-of-silodosin-on-the-bladder-mechanosensitive-afferent-activities-and-their-relation-with-bladder-myogenic-contractions-in-male-rats-with-bladder-outlet-obstruction
#16
Naoki Aizawa, Daiji Watanabe, Hiroshi Fukuhara, Tetsuya Fujimura, Haruki Kume, Yukio Homma, Yasuhiko Igawa
AIMS: We investigated the effects of silodosin, an α1A-adrenoceptor (AR) antagonist, on bladder function, especially on non-voiding contractions (NVCs), in a male rat model of bladder outlet obstruction (BOO) by evaluating cystometry (CMG) findings and bladder mechanosensitive single-unit afferent activities (SAAs), related with microcontractions, which may be similar with NVCs and to be of myogenic origin, in the rat model. METHODS: BOO was created by partial ligation of the posterior urethra...
March 6, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29464762/kpr-2579-a-novel-trpm8-antagonist-inhibits-acetic-acid-induced-bladder-afferent-hyperactivity-in-rats
#17
Naoki Aizawa, Yoshikazu Fujimori, Jun-Ichi Kobayashi, Osamu Nakanishi, Hideaki Hirasawa, Haruki Kume, Yukio Homma, Yasuhiko Igawa
AIMS: Transient receptor potential melastatin 8 (TRPM8) is proposed to be a promising therapeutic target for hypersensitive bladder disorders. We examined the effects of KPR-2579, a novel selective TRPM8 antagonist, on body temperature and on mechanosensitive bladder single-unit afferent activities (SAAs) provoked by intravesical acetic acid (AA) instillation in rats. METHODS: Female Sprague-Dawley rats were used. Effects of cumulative intravenous (i.v.) administrations of KPR-2579 (0...
February 21, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29462125/increased-expression-of-trek-1-k-channel-in-the-dorsal-root-ganglion-of-rats-with-detrusor-overactivity-after-partial-bladder-outlet-obstruction
#18
Junlong Zhang, Mingxin Cao, Yu Chen, Zi Wan, Hua Wang, Huanyi Lin, Weijie Liang, Yueyou Liang
BACKGROUND Changes in expression and activity of ion channels are important pathophysiological mechanisms underlying detrusor overactivity (DO) in partial bladder outlet obstruction (PBOO). The objective of this study was to examine the expression of TREK-1 channel in the bladder and central nervous system of DO rats. MATERIAL AND METHODS Thirty Sprague-Dawley rats were subjected to PBOO operations and those displaying non-voiding contractions (NVCs) in cystometry were classified as DO. Sham-operated rats without NVCs in cystometry served as controls...
February 20, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29444239/therapeutic-efficacy-of-microtube-embedded-chondroitinase-abc-in-a-canine-clinical-model-of-spinal-cord-injury
#19
Hilary Z Hu, Nicolas Granger, S Balakrishna Pai, Ravi V Bellamkonda, Nick D Jeffery
See Moon and Bradbury (doi:10.1093/brain/awy067) for a scientific commentary on this article.Many hundreds of thousands of people around the world are living with the long-term consequences of spinal cord injury and they need effective new therapies. Laboratory research in experimental animals has identified a large number of potentially translatable interventions but transition to the clinic is not straightforward. Further evidence of efficacy in more clinically-relevant lesions is required to gain sufficient confidence to commence human clinical trials...
April 1, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29443095/cystometric-and-external-urethral-sphincter-measurements-in-awake-rats-with-implanted-catheter-and-electrodes-allowing-for-repeated-measurements
#20
Elena E Foditsch, Karin Roider, Andrea M Sartori, Thomas M Kessler, Sabik Raj Kayastha, Ludwig Aigner, Marc P Schneider
Lower urinary tract function is mainly assessed by means of cystometric bladder function analysis in rodents. Conventional cystometries are usually performed as terminal analysis under urethane anesthesia. It is well known that anesthetic drugs can influence bladder function. Hence, the aim of this technique is to perform cystometric measurements of the urinary bladder and external urethral sphincter in lightly restrained awake rats. For this purpose, a bladder catheter is implanted into the bladder dome. Subsequently, two electrodes are implanted bilateral to the external urethral sphincter and a ground electrode is sutured to a non-responsive skeletal muscle...
January 30, 2018: Journal of Visualized Experiments: JoVE
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