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https://www.readbyqxmd.com/read/28319023/isolated-bilateral-simplex-ureteric-ectopia-bladder-capacity-as-an-indicator-of-continence-outcome
#1
Vasilis Stavrinides, Paul Charlesworth, Dan Wood, Divyesh Desai, Abraham Cherian, Imran Mushtaq, Peter Cuckow, Naima Smeulders
INTRODUCTION: Isolated bilateral simplex ectopic ureters (BSEUs) are rare but pose a therapeutic challenge: ureteric reimplantation alone does not accomplish continence in all. Identifying the patients needing additional procedures for continence early could prevent multiple operations. OBJECTIVE: Potential preoperative indicators for postoperative continence are explored in eight BSEU girls without cloacal, anorectal, or spinal anomalies. STUDY DESIGN: With institutional approval, all patients with BSEU between 1985 and 2012 were retrospectively reviewed...
March 6, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28318147/effects-of-alfapump-system-on-kidney-and-circulatory-function-in-patients-with-cirrhosis-and-refractory-ascites
#2
Elsa Solà, Santiago Sanchez-Cabús, Ezequiel Rodriguez, Chiara Elia, Raquel Cela, Rebeca Moreira, Elisa Pose, Jordi Sánchez-Delgado, Nuria Cañete, Manuel Morales-Ruiz, Francisco Campos, Jaume Balust, Mónica Guevara, Juan Carlos García-Valdecasas, Pere Ginès
The alfapump system has been proposed as a new treatment for the management of refractory ascites. The system removes ascites from the peritoneal cavity to urinary bladder, producing a continuous low-volume paracentesis. AIM: To investigate the effects of treatment with the alfapump system on kidney and circulatory function in patients with cirrhosis and refractory ascites. METHODS: Prospective study including 10 patients with cirrhosis and refractory ascites. Primary outcomes were changes in glomerular filtration rate (GFR), as assessed by isotopic techniques, and changes in circulatory function assessed by arterial pressure, cardiac output and activity of vasoconstrictor systems...
March 20, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28315623/a-case-report-of-cholinergic-crisis-evolved-from-myasthenia-gravis-due-to-the-tumor-in-trigone-of-bladder
#3
(no author information available yet)
Cholinergic crisis has rarely been reported as a complication of myasthenia gravis, wherein it mainly occurs as a result of the improper accumulation of anticholinesterase agents. In this report, we present one such case. The nature of the patient's clinical manifestations suggested that the main reason for the cholinergic crisis was the abnormal accumulation of pyridostigmine bromide due to renal failure, which was secondary to a tumor in trigeon of bladder. To the best of our knowledge, this is the first report of myasthenia gravis leading to cholinergic crisis caused by acute postrenal renal failure arising from the bladder neoplasm...
November 19, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28315441/physico-chemical-characteristics-and-fibril-forming-capacity-of-carp-swim-bladder-collagens-and-exploration-of-their-potential-bioactive-peptides-by-in-silico-approaches
#4
Gaurav Kumar Pal, P V Suresh
This study explores the sustainable valorization of carp swim bladder by-products. The high-value molecule collagens were successfully extracted from carp swim bladder with a yield of∼60% (dry weight basis) and characterized by sodium dodecyl sulfate polyacrylamide gel electrophoresis, UV-spectrum and Fourier transform infrared spectroscopy. The extracted collagens showed the fibril-forming ability and high denaturation temperature (38-39°C). Furthermore, the extracted collagens subjected to preparing bioactive collagen hydrolysates with potential antioxidant activities...
March 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28303627/camp-dependent-regulation-of-rhoa-rho-kinase-attenuates-detrusor-overactivity-in-a-novel-mouse-experimental-model
#5
William Akakpo, Biljana Musicki, Arthur L Burnett
OBJECTIVES: To investigate detrusor function and cAMP activation as a possible target for detrusor overactivity in an experimental model lacking a key denitrosylation enzyme, S-nitrosoglutathione reductase (GSNOR). MATERIALS AND METHODS: GSNOR-deficient (GSNOR(-/-) ) (n=30) and wild-type (WT) mice (n=26) were treated for 7 days with the cAMP activator, colforsin (1mg/kg), or vehicle intraperitoneally. Cystometric studies or molecular analyses of bladder specimens were performed...
March 16, 2017: BJU International
https://www.readbyqxmd.com/read/28299781/architectural-differences-in-the-anterior-and-middle-compartments-of-the-pelvic-floor-of-young-adult-and-postmenopausal-females
#6
Yi Wu, Noshir F Dabhoiwala, Jaco Hagoort, Li-Wen Tan, Shao-Xiang Zhang, Wouter H Lamers
The pelvic floor guards the passage of the pelvic organs to the exterior. The near-epidemic prevalence of incontinence in women continues to generate interest in the functional anatomy of the pelvic floor. However, due to its complex architecture and poor accessibility, the classical 'dissectional' approach has been unable to come up with a satisfactory description, so that many aspects of its anatomy continue to raise debate. For this reason, we opted for a 'sectional' approach, using the Chinese Visible Human project (four females, 21-35 years) and the Visible Human Project (USA; one female, 59 years) datasets to investigate age-related changes in the architecture of the anterior and middle compartments of the pelvic floor...
March 16, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28299284/integral-dose-based-inverse-optimization-may-reduce-side-effects-in-radiotherapy-of-prostate-carcinoma
#7
Ivaylo B Mihaylov
PURPOSE: The purpose of this work is to apply a novel inverse optimization approach, based on utilization of quantitative imaging information in the optimization function, to prostate carcinoma. MATERIALS AND METHODS: This new inverse optimization algorithm relies upon quantitative information derived from computed tomography (CT) imaging studies. The Hounsfield numbers of the CT voxels are converted to physical density, which in turn is used to calculate voxel mass and the corresponding integral dose, by summation over the product of dose and mass in each dose voxel...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28298357/how-important-is-the-%C3%AE-1-adrenoceptor-in-primate-and-rodent-proximal-urethra-sex-differences-in-the-contribution-of-%C3%AE-1-adrenoceptor-to-urethral-contractility
#8
Eduardo C Alexandre, Mariana G de Oliveira, Rafael Campos, Luiz Ricardo A Kiguti, Fabiano B Calmasini, Fábio H Silva, Andrew D Grant, Naoki Yoshimura, Edson Antunes
Urethral smooth muscle (USM) contributes to urinary continence by contracting during the urine storage phase, which is mainly mediated by activation of post-junctional α1-adrenoceptors. Males and females show differences in the functioning of the lower urinary tract and the most common urinary tract symptoms (LUTS). LUTS in men typically occur in association with bladder outlet obstruction, whereas in women urinary urge-incontinence symptoms are more common. Therefore, this study aimed to evaluate sex differences in α1-adrenoceptor subtype expression and their importance in proximal urethra contraction in mouse (C57BL6/J) and marmoset (Callithrix jacchus)...
March 15, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28296270/analogues-of-dehydroacetic-acid-as-selective-and-potent-agonists-of-an-ectopic-odorant-receptor-through-a-combination-of-hydrophilic-and-hydrophobic-interactions
#9
Bernie Byunghoon Park, NaHye Lee, YunHye Kim, YoonGyu Jae, Seunghyun Choi, NaNa Kang, Yu Ri Hong, Kiwon Ok, Jeonghee Cho, Young Ho Jeon, Eun Hee Lee, Youngjoo Byun, JaeHyung Koo
Identification of potent agonists of odorant receptors (ORs), a major class of G protein-coupled receptors, remains challenging due to complex receptor-ligand interactions. ORs are present in both olfactory and non-chemosensory tissues, indicating roles beyond odor detection that may include modulating physiological functions in non-olfactory tissues. Selective and potent agonists specific for particular ORs can be used to investigate physiological functions of ORs in non-chemosensory tissues. In this study, we designed and synthesized novel synthetic dehydroacetic acid analogues as agonists of odorant receptor 895 (Olfr895) expressed in bladder...
March 15, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28295307/high-expression-of-insulin-receptor-on-tumor-associated-blood-vessels-in-invasive-bladder-cancer-predicts-poor-overall-and-progression-free-survival
#10
Filip Roudnicky, Lothar C Dieterich, Cedric Poyet, Lorenz Buser, Peter Wild, Dave Tang, Peter Camenzind, Chien Hsien Ho, Vivianne I Otto, Michael Detmar
Bladder cancer is a frequently recurring disease with a very poor prognosis when progressed to invasive stages, and tumor-associated blood vessels play a crucial role in this process. In order to identify novel biomarkers associated with progression, we isolated blood vascular endothelial cells (BECs) from human invasive bladder cancers and matched normal bladder tissue, and found that tumor-associated BECs greatly upregulated the expression of insulin receptor (INSR). High expression of INSR on BECs of invasive bladder cancers was significantly associated with shorter progression-free and overall survival...
March 14, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28291936/dosimetric-benefits-of-intensity-modulated-radiotherapy-and-volumetric-modulated-arc-therapy-in-the-treatment-of-postoperative-cervical-cancer-patients
#11
Xia Deng, Ce Han, Shan Chen, Congying Xie, Jinling Yi, Yongqiang Zhou, Xiaomin Zheng, Zhenxiang Deng, Xiance Jin
As the advantage of using complex volumetric-modulated arc therapy (VMAT) in the treatment of gynecologic cancer has not yet been fully determined, the purpose of this study was to investigate the dosimetric advantages of VMAT by comparing directly with whole pelvic conformal radiotherapy (CRT) and intensity-modulated radiotherapy (IMRT) in the treatment of 15 postoperative cervical cancer patients. Four-field CRT, seven-field IMRT, and two-arc VMAT plans were generated for each patient with identical objective functions to achieve clinically acceptable dose distribution...
January 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28288548/upregulated-glutathione-transferase-omega-1-correlates-with-progression-of-urinary-bladder-carcinoma
#12
Tatjana Djukic, Tatjana Simic, Marija Pljesa-Ercegovac, Marija Matic, Sonja Suvakov, Vesna Coric, Dejan Dragicevic, Ana Savic-Radojevic
OBJECTIVES: Newly discovered glutathione transferase omega 1 (GSTO1-1) plays an important role in the glutathionylation cycle, a significant mechanism of protein function regulation. GSTO1-1 expression pattern has not been studied in transitional cell carcinoma (TCC), as yet. METHODS: A total of 56 TCC tumor and corresponding non-tumor specimens were investigated. Glutathione content and thioltransferase activity were measured spectrophotometrically. Protein-glutathione mixed disulfides were measured fluorimetrically...
March 13, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28286973/curcumin-inhibits-urothelial-tumor-development-by-suppressing-igf2-and-igf2-mediated-pi3k-akt-mtor-signaling-pathway
#13
Binqiang Tian, Yingmei Zhao, Tao Liang, Xuxiao Ye, Zuowei Li, Dongliang Yan, Qiang Fu, Yonghui Li
We have previously reported that curcumin inhibits urothelial tumor development in a rat bladder carcinogenesis model. In this study, we report that curcumin inhibits urothelial tumor development by suppressing IGF2 and IGF2-mediated PI3K/AKT/mTOR signaling pathway. Curcumin inhibits IGF2 expression at the transcriptional level and decreases the phosphorylation levels of IGF1R and IRS-1 in bladder cancer cells and N-methyl-N-nitrosourea (MNU)-induced urothelial tumor tissue. Ectopic expression of IGF2 and IGF1R, but not IGF1, in bladder cancer cells restored this process, suggesting that IGF2 is a target of curcumin...
March 11, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28285911/evaluation-of-anti-diabetic-effect-and-gall-bladder-function-with-2-thio-5-thiomethyl-substituted-imidazoles-as-tgr5-receptor-agonists
#14
Xuqing Zhang, Zhihua Sui, Jack Kauffman, Cuifen Hou, Cailin Chen, Fuyong Du, Thomas Kirchner, Yin Liang, Dana Johnson, William V Murray, Keith Demarest
A novel series of 2-thio-5-thiomethyl substituted imidazoles was discovered to be potent TGR5 agonists that possessed glucose-lowering effects while inhibiting gall bladder emptying in mice.
February 28, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28285756/partial-cauda-equina-syndrome-after-an-uneventful-minimally-invasive-microdiscectomy-in-a-patient-with-crohn-s-disease
#15
C Raftopoulos, S Koenig, V Joris, T Duprez
Cauda equina syndrome is a serious condition resulting from dysfunction of the lumbosacral nerve roots and characterized by impairment of bladder, bowel, sexual and lower limb functions. We report the case of a 48-year-old woman who had Crohn's disease for more than twenty years. The patient was undergoing immunotherapy with infliximab and developed a partial cauda equina syndrome after an uneventful minimally invasive microdiscectomy (L5-S1) that completely cured her sciatica. A postoperative magnetic resonance imaging examination showed root clumping but no compressive lesion...
March 9, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28285395/two-techniques-for-assessing-postoperative-voiding-function-a-randomized-trial
#16
Erinn M Myers, Catherine A Matthews, Andrea K Crane, AnnaMarie Connolly, Jennifer M Wu, Elizabeth J Geller
INTRODUCTION AND HYPOTHESIS: Post-operative voiding dysfunction is common after sling placement and is assessed with a voiding trial (VT) before discharge. We hypothesized that an operating room (OR) initiated retrograde VT (OR-fill) would decrease time to discharge compared with a post-anesthesia care unit (PACU) initiated retrograde VT (PACU-fill). METHODS: This was a parallel non-blinded randomized trial, of women undergoing outpatient sling surgery at a university hospital...
March 11, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28285351/cavin-3-prkcdbp-deficiency-reduces-the-density-of-caveolae-in-smooth-muscle
#17
Baoyi Zhu, Karl Swärd, Mari Ekman, Bengt Uvelius, Catarina Rippe
Cavins belong to a family of proteins that contribute to the formation of caveolae, which are membrane organelles with functional roles in muscle and fat. Here, we investigate the effect of cavin-3 ablation on vascular and urinary bladder structure and function. Arteries and urinary bladders from mice lacking cavin-3 (knockout: KO) and from controls (wild type: WT) were examined. Our studies revealed that the loss of cavin-3 resulted in ∼40% reduction of the caveolae protein cavin-1 in vascular and bladder smooth muscle...
March 11, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28283710/clinical-and-urodynamic-assessment-in-patients-with-pelvic-organ-prolapse-before-and-after-laparoscopic-sacrocolpopexy
#18
Bahiyah Abdullah, Jimmy Nomura, Shingo Moriyama, Tingwen Huang, Shino Tokiwa, Mio Togo
INTRODUCTION AND HYPOTHESIS: We hypothesized that patient-reported urinary symptoms and urodynamic evaluation improve after laparoscopic sacrocolpopexy (LSC) despite deeper vesicovaginal space dissection. METHODS: This was a retrospective study of women with pelvic organ prolapse who underwent LSC from January 2013 to January 2016 in a tertiary center. Urinary function was clinically evaluated using the International Consultation on Incontinence Questionnaire - Short Form (ICIQ-SF), the Overactive Bladder Symptom Score (OABSS) and the Pelvic Floor Distress Inventory Questionnaire- - Short Form 20 (PFDI-20)...
March 10, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28282417/robust-plan-optimization-using-edge-enhanced-intensity-for-intrafraction-organ-deformation-in-prostate-intensity-modulated-radiation-therapy
#19
Iori Sumida, Hajime Yamaguchi, Indra J Das, Yusuke Anetai, Hisao Kizaki, Keiko Aboshi, Mari Tsujii, Yuji Yamada, Keisuke Tamari, Yuji Seo, Fumiaki Isohashi, Yasuo Yoshioka, Kazuhiko Ogawa
This study evaluated a method for prostate intensity-modulated radiation therapy (IMRT) based on edge-enhanced (EE) intensity in the presence of intrafraction organ deformation using the data of 37 patients treated with step-and-shoot IMRT. On the assumption that the patient setup error was already accounted for by image guidance, only organ deformation over the treatment course was considered. Once the clinical target volume (CTV), rectum, and bladder were delineated and assigned dose constraints for dose optimization, each voxel in the CTV derived from the DICOM RT-dose grid could have a stochastic dose from the different voxel location according to the probability density function as an organ deformation...
2017: PloS One
https://www.readbyqxmd.com/read/28281901/tp53-and-its-potential-therapeutic-role-as-a-target-in-bladder-cancer
#20
Chiara Ciccarese, Francesco Massari, Ana Blanca, Giampaolo Tortora, Rodolfo Montironi, Liang Cheng, Marina Scarpelli, Maria R Raspollini, Nuno Vau, Jorge Fonseca, Antonio Lopez-Beltran
Despite more than 30 years of research on p53 resulting in >50,000 publications, we are now beginning to figure out the complexity of the p53 pathway, gene ontology and conformational structure of the molecule. Recent years brought great advances in p53 related drugs and the potencial ways in which p53 is inactivated in cancer. Areas covered: We searched for related publications on Pubmed and ClinicalTrial.gov using the following keywords 'p53, Tp53, p53 and bladder cancer, p53 and therapeutic target'. Relevant articles improved the understanding on p53 pathways and their potential as candidate to targeted therapy in bladder cancer...
April 2017: Expert Opinion on Therapeutic Targets
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