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https://www.readbyqxmd.com/read/28631286/knockdown-of-mediator-subunit-med19-suppresses-bladder-cancer-cell-proliferation-and-migration-by-downregulating-wnt-%C3%AE-catenin-signalling-pathway
#1
Hejia Yuan, Shengqiang Yu, Yuanshan Cui, Changping Men, Diandong Yang, Zhenli Gao, Zhe Zhu, Jitao Wu
Mediator complex subunit 19 (Med19), a RNA polymerase II-embedded coactivator, is reported to be involved in bladder cancer (BCa) progression, but its functional contribution to this process is poorly understood. Here, we investigate the effects of Med19 on malignant behaviours of BCa, as well as to elucidate the possible mechanisms. Med19 expression in 15 BCa tissues was significantly higher than adjacent paired normal tissues using real-time PCR and Western blot analysis. Immunohistochemical staining of 167 paraffin-embedded BCa tissues was performed, and the results showed that high Med19 protein level was positively correlated with clinical stages and histopathological grade...
June 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28625534/predictors-of-urinary-and-rectal-toxicity-after-external-conformed-radiation-therapy-in-prostate-cancer-correlation-between-clinical-tumour-and-dosimetric-parameters-and-radical-and-postoperative-radiation-therapy
#2
C M Martínez-Arribas, C González-San Segundo, P Cuesta-Álvaro, F A Calvo-Manuel
OBJECTIVE: To determine rectal and urinary toxicity after external beam radiation therapy (EBRT), assessing the results of patients who undergo radical or postoperative therapy for prostate cancer (pancreatic cancer) and their correlation with potential risk factors. METHOD: A total of 333 patients were treated with EBRT. Of these, 285 underwent radical therapy and 48 underwent postoperative therapy (39 cases of rescue and 9 of adjuvant therapy). We collected clinical, tumour and dosimetric variable to correlate with toxicity parameters...
June 15, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28625101/a-versatile-method-for-bladder-segmentation-in-computed-tomography-two-dimensional-images-under-adverse-conditions
#3
João Ribeiro Pinto, João Manuel Rs Tavares
This article presents the design and evaluation of an algorithm for urinary bladder segmentation in medical images, from contrastless computed tomography studies of patients suffering from bladder wall tumours. These situations require versatile methods of segmentation, able to adapt to the structural changes the tumours provoke in the bladder wall, reflected as irregularities on the images obtained, creating adversities to the segmentation process. This semi-automatic method uses fuzzy c-means clustering, a Gaussian-curve-based intensity transformation, and active contour models, requiring only the physician's input of a single seed point for each anatomical view, in order to segment the bladder volume in all frames that include it...
June 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28619976/vesical-dermoid-a-rare-bladder-tumour
#4
Ashok Kumar Sokhal, Bhupendra Pal Singh, Sunny Goel, Durgesh Kumar Saini
Dermoid cysts are benign developmental lesions consisting of tissues of more than one germ cell lineage origin. The urinary bladder is a very rare location of dermoid cysts. We report a case of an 18-year-old woman who presented with suprapubic pain, dysuria and turbid urine. Blood and serum chemistry was normal. Contrast-enhanced CT revealed a heterogeneously enhancing mass of 2.5×2 cm within the urinary bladder infiltrating fundus of urinary bladder with extraluminal extension. At cystoscopy, an irregular mass arising from the dome of the urinary bladder with a covering of hair and whitish scales was seen...
June 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28618676/re-the-effect-of-sevoflurane-versus-desflurane-on-postoperative-catheter-related-bladder-discomfort-in-patients-undergoing-transurethral-excision-of-a-bladder-tumour-a-randomized-controlled-trial
#5
https://www.readbyqxmd.com/read/28608540/sevoflurane-vs-propofol-in-post-operative-catheter-related-bladder-discomfort-a-prospective-randomized-study
#6
H-C Kim, H-P Park, J Lee, M-H Jeong, K-H Lee
BACKGROUND: Post-operative catheter-related bladder discomfort (CRBD) causes increased emergence agitation. Muscarinic receptor activation is a major mechanism in CRBD development. Experimental studies showed that sevoflurane has anti-muscarinic effects whereas propofol does not. Our hypothesis was that sevoflurane anaesthesia would reduce the incidence of CRBD following bladder surgery. METHODS: In total, 82 patients undergoing transurethral bladder tumour excision (TURBT) were assigned randomly to two groups according to the maintenance anaesthetic agent received: sevoflurane (n = 41) or propofol (n = 41)...
June 13, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28603003/double-j-stenting-prior-to-cystectomy-is-an-independent-risk-factor-for-upper-urinary-tract-recurrence
#7
Bernhard Kiss, Marc A Furrer, Patrick Y Wuethrich, Fiona C Burkhard, George N Thalmann, Beat Roth
PURPOSE: Bladder cancer patients presenting with hydronephrosis may require drainage of the affected kidney before receiving further cancer treatment. Drainage can be done by retrograde stenting or percutaneously. Retrograde stenting, however, bears the risk of tumour cell spillage to the upper urinary tract. The aim of this study was to evaluate whether bladder cancer patients are at higher risk of upper urinary tract recurrence if retrograde stenting has been performed prior to radical cystectomy...
June 8, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28593860/evolving-adoptive-cellular-therapies-in-urological-malignancies
#8
REVIEW
Yien Ning Sophia Wong, Kroopa Joshi, Martin Pule, Karl S Peggs, Charles Swanton, Sergio A Quezada, Mark Linch
Immunotherapies have long been used to treat urological cancers but rarely lead to cure. In the past 5 years, success of immune checkpoint inhibition has led to a resurgence of enthusiasm for immunotherapy in the treatment of solid tumours. Increased understanding of tumour immune biology, technological advancements of gene transfer and cell culture, and improved clinical infrastructures for routine delivery of cell products, has made cell-based immunotherapeutics a real prospect for cancer therapy. These scientific and clinical activities, attempting to exploit the innate and adaptive immune systems for therapeutic gain, are well exemplified by the urological malignancies of renal, bladder, prostate, and penile cancer, a group of anatomically localised diseases, each with a distinct biology and different immunotherapeutic challenges...
June 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28590274/survival-from-cancer-in-the-north-region-of-portugal-results-from-the-first-decade-of-the-millennium
#9
Luís Antunes, Lúcio L Santos, Maria José Bento
The aim of this study was to evaluate net survival from cancer diagnosed during the period 2001/2010 in the north region of Portugal to identify the tumours that need actions to improve the outcomes. Data were retrieved from the North Region Cancer Registry of Portugal database. The top 20 cancer sites in adults were considered: oesophagus, stomach, colon, rectum, pancreas, liver, larynx, lung, skin melanoma, breast, cervix, corpus uteri, ovary, prostate, kidney, bladder, brain and central nervous system, thyroid, non-Hodgkin lymphoma and multiple myeloma...
June 5, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28584359/regional-anaesthesia-in-a-patient-with-aortic-stenosis-for-bladder-tumour-resection
#10
Aalekh Prasad, Abhik Ghosh, Tulsi Nag
No abstract text is available yet for this article.
May 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28583312/prognostic-impact-of-a-12-gene-progression-score-in-non-muscle-invasive-bladder-cancer-a-prospective-multicentre-validation-study
#11
Lars Dyrskjøt, Thomas Reinert, Ferran Algaba, Emil Christensen, Daan Nieboer, Gregers G Hermann, Karin Mogensen, Willemien Beukers, Mirari Marquez, Ulrika Segersten, Søren Høyer, Benedicte P Ulhøi, Arndt Hartmann, Robert Stöhr, Sven Wach, Roman Nawroth, Kristina Schwamborn, Cane Tulic, Tatjana Simic, Kerstin Junker, Niels Harving, Astrid C Petersen, Jørgen B Jensen, Bastian Keck, Marc-Oliver Grimm, Marcus Horstmann, Tobias Maurer, Ewout W Steyerberg, Ellen C Zwarthoff, Francisco X Real, Núria Malats, Per-Uno Malmström, Torben F Ørntoft
BACKGROUND: Progression of non-muscle-invasive bladder cancer (NMIBC) to muscle-invasive bladder cancer (MIBC) is life-threatening and cannot be accurately predicted using clinical and pathological risk factors. Biomarkers for stratifying patients to treatment and surveillance are greatly needed. OBJECTIVE: To validate a previously developed 12-gene progression score to predict progression to MIBC in a large, multicentre, prospective study. DESIGN, SETTING, AND PARTICIPANTS: We enrolled 1224 patients in ten European centres between 2008 and 2012...
June 2, 2017: European Urology
https://www.readbyqxmd.com/read/28579578/the-t-box-transcription-factor-3-in-development-and-cancer
#12
Tarryn Willmer, Aretha Cooper, Jade Peres, Rehana Omar, Sharon Prince
T-box factors comprise an archaic family of evolutionary conserved transcription factors that regulate patterns of gene expression essential for embryonic development. The T-box transcription factor 3 (TBX3), a member of this family, is expressed in several tissues and plays critical roles in, among other structures, the heart, mammary gland and limbs and haploinsufficiency of the human TBX3 gene is the genetic basis for the autosomal dominant disorder, ulnar-mammary syndrome. Overexpression of TBX3 on the other hand has been linked to several cancers including melanoma, breast, pancreatic, liver, lung, head and neck, ovarian, bladder carcinomas and a number of sarcoma subtypes...
June 4, 2017: Bioscience Trends
https://www.readbyqxmd.com/read/28564709/-primary-mixed-adeno-neuroendocrine-carcinoma-manec-of-the-urinary-bladder-a-rare-entity
#13
Markus Eckstein, Bernd Rasper, Jörg Busche, Ulf Stachetzki, D E Wistuba, Abbas Agaimy, Arndt Hartmann, Simone Bertz
A 67-year-old male patient underwent transurethral resection for a bladder tumour at the lower posterior wall found incidentally on imaging for an unrelated disease. The initial histomorphological examination suggested an adenocarcinoma with partial neuroendocrine differentiation. Imaging of the thorax and the abdomen, showed no evidence of another primary tumour. Due to the unusual diagnosis, the case was sent to our department of pathology for expert consultation, which confirmed the diagnosis of a primary mixed adeno-neuroendocrine carcinoma of the bladder (MANEC)...
May 31, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28551678/radiotherapy-of-primary-or-recurrent-bladder-cancer-in-the-very-elderly
#14
Stefan Janssen, Lisa Manig, Steven E Schild, Dirk Rades
AIM: The number of very elderly patients with cancer is growing and requires particular attention. The role of organ-sparing irradiation in patients with bladder cancer aged ≥80 years was investigated. PATIENTS AND METHODS: In 29 very elderly (≥80 years) patients irradiated for bladder cancer, 12 characteristics were analysed for survival: indication, gender, age, Karnofsky performance score (KPS), T-/N-category, tumour grade, pack years, smoking during irradiation, radiation dose, interruption of irradiation >5 days and concurrent chemotherapy...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28540249/liquid-biopsies-for-bladder-cancer
#15
EDITORIAL
Douglas G Ward, Richard T Bryan
The development of accurate urinary biomarkers for the non-invasive detection of urothelial bladder cancer (UBC) could transform patient pathways by reducing reliance on cystoscopy, and the identification of highly prognostic (or even predictive) biomarkers could better guide patient management. A number of approaches are being utilised to address these challenges in both urinary- and plasma-borne tumour DNA (tDNA), so-called "liquid biopsies". Next generation sequencing (NGS) and droplet digital PCR (ddPCR) allow detection of very low levels of such tDNA amongst a large excess of non-tumour DNA, the former permitting large mutation panels to be assessed and the latter potentially identifying ultrarare mutant alleles yet restricted for multiplexing...
April 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28534535/the-potential-of-organoids-in-urological-cancer-research
#16
REVIEW
Shangqian Wang, Dong Gao, Yu Chen
Technical advances in the development of organoid systems enable cell lines, primary adult cells, or stem or progenitor cells to develop into diverse, multicellular entities, which can self-renew, self-organize, and differentiate. These 3D organoid cultures have proven to be of value in increasing our understanding of the biology of disease and offer the potential of regenerative and genetic therapies. The successful application of 3D organoids derived from adult tissue into urological cancer research can further our understanding of these diseases and could also provide preclinical cancer models to realize the precision medicine paradigm by therapeutic screening of individual patient samples ex vivo...
May 23, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28533583/high-grade-urothelial-carcinoma-of-bladder-transforming-to-micropapillary-variant-on-follow-up
#17
Nitu Kumari, Anupama Jha, Pawan Vasudeva, Usha Agrawal
Micropapillary variant of urothelial carcinoma (UC) of the bladder is an aggressive tumour, comprising 0.6-6% of all UC. It generally presents with high-grade and stage, and has been reported as having a worse prognosis when compared to traditional UC. We report the case of a 58-year-old man who presented with macroscopic haematuria. The patient was diagnosed with high-grade urothelial carcinoma and returned with recurrence after 16 months. Histopathology after transurethral biopsy revealed a non-muscle invasive high-grade bladder tumour at first presentation, whereas tumour recurrence was reported after 1...
May 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28532260/-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-response-evaluation-can-predict-histological-response-at-surgery-after-induction-chemotherapy-for-oligometastatic-bladder-cancer
#18
Petter Kollberg, Helen Almquist, Mats Bläckberg, Magdalena Cwikiel, Sigurdur Gudjonsson, Kerstin Lyttkens, Oliver Patschan, Fredrik Liedberg
OBJECTIVE: Patients with limited metastatic and locally advanced bladder cancer have a poor prognosis, and no definite treatment recommendations exist. However, long-term survival is possible for selected patients if surgery is combined with multiple courses of chemotherapy (i.e. induction chemotherapy). Patients with tumours that are insensitive to chemotherapy probably have little to gain from subsequent extensive surgery. The aim of this study was to evaluate sequential FDG-PET/CT examinations as an indicator of chemotherapy response...
May 22, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28524002/mirna-expression-in-bladder-cancer-and-their-potential-role-in-clinical-practice
#19
Ana Blanca, Liang Cheng, Rodolfo Montironi, Holger Moch, Francesco Massari, Michelangelo Fiorentino, Maria Rosaria Raspollini, Marina Scarpelli, Antonio Lopez-Beltran
To date more than 3000 miRNA sequences have been described in humans and reg¬istered at miRBase since their discovery. However, the functions of only a few of these miRNAs have been experimentally determined using deep sequencing technology. Aberrant miRNA expression has been associated with differentiation, invasion and metastasis in several cancers. In this context, recent reports have suggested that miRNAs play important roles in the regulation of target genes by binding to complementary regions of messenger transcripts to repress their translation or regulate degradation...
May 18, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28515817/systematic-review-of-the-potential-role-of-cannabinoids-as-antiproliferative-agents-for-urological-cancers
#20
REVIEW
Shreyas Gandhi, Gaurav Vasisth, Anil Kapoor
INTRODUCTION: The palliative effects of cannabis sativa (marijuana), which include appetite stimulation, attenuation of nausea and emesis, and pain relief, are well known. The active components of cannabis sativa (cannabinoids) and their derivatives have received growing interest due to their diverse pharmacological activities, such as cell growth inhibition and tumour regression. The aim of this review is to look at the current evidence on the antiproliferative effects of cannabinoids in urological malignancies, including renal, prostate, bladder, and testicular cancers...
March 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
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