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Transitional bladder cancer

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https://www.readbyqxmd.com/read/28447581/effect-of-cisplatin-based-neoadjuvant-chemotherapy-on-survival-in-patients-with-bladder-cancer-a-meta-analysis
#1
Gang Li, Hui-Min Niu, Hong-Tao Wu, Bao-Yu Lei, Xiao-Hua Wang, Xiao-Bo Guo, Shu-Lin Feng
PURPOSE: Cisplatin-based neoadjuvant chemotherapy (NAC) has been shown to improve survival in patients with muscle-invasive bladder cancer (MIBC) who underwent radical cystectomy as compared with patients who underwent surgery alone. It has also been suggested as current standard of care in surgically-fit patients with MIBC. This meta-analysis assessed the effect of cisplatin-based NAC on survival in patients with bladder cancer. SOURCE: PubMed, CENTRAL, and Embase were searched until November 22, 2016...
April 26, 2017: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/28445934/jarid2-is-essential-for-the-maintenance-of-tumor-initiating-cells-in-bladder-cancer
#2
Xin-Xing Zhu, Ya-Wei Yan, Chun-Zhi Ai, Shan Jiang, Shan-Shan Xu, Min Niu, Xiang-Zhen Wang, Gen-Shen Zhong, Xi-Feng Lu, Yu Xue, Shaoqi Tian, Guangyao Li, Shaojun Tang, Yi-Zhou Jiang
Bladder cancer is the most common urologic malignancy in China, with an increase of the incidence and mortality rates over past decades. Recent studies suggest that bladder tumors are maintained by a rare fraction of cells with stem cell proprieties. Targeting these bladder tumor initiating cell (TICs) population can overcome the drug-resistance of bladder cancer. However, the molecular and genetic mechanisms regulating TICs in bladder cancer remain poorly defined. Jarid2 is implicated in signaling pathways regulating cancer cell epithelial-mesenchymal transition, and stem cell maintenance...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28443245/overexpression-of-the-atpase-inhibitory-factor-1-favors-a-non-metastatic-phenotype-in-breast-cancer
#3
Lucía García-Ledo, Cristina Nuevo-Tapioles, Carmen Cuevas-Martín, Inmaculada Martínez-Reyes, Beatriz Soldevilla, Lucía González-Llorente, José M Cuezva
Partial suppression of mitochondrial oxidative phosphorylation and the concurrent activation of aerobic glycolysis is a hallmark of proliferating cancer cells. Overexpression of the ATPase inhibitory factor 1 (IF1), an in vivo inhibitor of the mitochondrial ATP synthase, is observed in most prevalent human carcinomas favoring metabolic rewiring to an enhanced glycolysis and cancer progression. Consistently, a high expression of IF1 in hepatocarcinomas and in carcinomas of the lung, bladder, and stomach and in gliomas is a biomarker of bad patient prognosis...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28440402/erk5-regulates-tobacco-smoke%C3%A2-induced-urocystic-epithelial%C3%A2-mesenchymal-transition-in-balb-c-mice
#4
Jie Min, Hao Geng, Zhiqi Liu, Zhaofeng Liang, Zhiqiang Zhang, Dongdong Xie, Yi Wang, Tao Zhang, Dexin Yu, Caiyun Zhong
Tobacco smoke (TS) is an important risk factor of bladder cancer. Epithelial‑mesenchymal transition (EMT) is involved in the initiation and development of cancer. The role of extracellular signal‑regulated kinase (ERK) 5 in regulating TS‑induced EMT remains to be elucidated. The aim of the present study was to investigate the regulatory role of ERK5 in TS‑triggered EMT in the bladder of mice. BALB/c mice were used for an in vivo TS exposure model. Mice were treated for 6 h a day for 12 weeks. The results demonstrated that mice exposed to TS had decreased mRNA and protein expression levels of the epithelial markers E‑cadherin and zonula occludens‑1, whereas expression levels of the mesenchymal markers Vimentin and N‑cadherin were increased...
April 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28436082/tricellulin-is-a-target-of-the-ubiquitin-ligase-itch
#5
Susanne Jennek, Sonnhild Mittag, Juliane Reiche, Julie K Westphal, Stefanie Seelk, Max J Dörfel, Thorsten Pfirrmann, Karlheinz Friedrich, Anja Schütz, Udo Heinemann, Otmar Huber
Tricellulin, a member of the tight junction-associated MAGUK protein family, preferentially localizes to tricellular junctions in confluent polarized epithelial cell layers and is downregulated during the epithelial-mesenchymal transition. Posttranslational modifications are assumed to play critical roles in the process of downregulation of tricellulin at the protein level. Here, we report that the E3 ubiquitin ligase Itch forms a complex with tricellulin and thereby enhances its ubiquitination. Pull-down assays confirmed a direct interaction between tricellulin and Itch, which is mediated by the Itch WW domain and the N-terminus of tricellulin...
April 24, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28427201/wnt5a-planar-cell-polarity-signaling-pathway-in-urothelial-carcinoma-a-potential-prognostic-biomarker
#6
Mark Saling, Jordan K Duckett, Ian Ackers, Karen Coschigano, Scott Jenkinson, Ramiro Malgor
Bladder cancer is the fourth most common cancer in men and the most common malignancy of the urinary tract. Bladder cancers detected at an early stage have a very high five-year survival rate, but when detected after local metastasis the rate is only about 50%. Our group recently reported a positive correlation between the expression of Wnt5a, a member of the Wnt proteins family, and histopathological grade and stage of urothelial carcinoma (UC). The objective of this study was to analyze UC cases reported in Athens, Ohio and investigate the major components of Wnt5a / planar cell polarity (PCP) signaling pathway in UC human tissue samples and UC cell lines...
March 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423359/epithelial-mesenchymal-transition-induced-by-gro-%C3%AE-cxcr2-promotes-bladder-cancer-recurrence-after-intravesical-chemotherapy
#7
Lu Chen, Xiu-Wu Pan, Hai Huang, Yi Gao, Qi-Wei Yang, Lin-Hui Wang, Xin-Gang Cui, Dan-Feng Xu
Non-muscle invasive bladder cancers (NMIBC) are typically treated by transurethral resection with intravesical chemotherapy. However, the post-therapeutic incidence of tumor recurrence and progression to muscle invasive disease is high, and the underlying mechanism(s) remains unknown. In this study, we observed that recurrent bladder cancer cells exhibit a mesenchymal phenotype, which is initiated by the autocrine GRO-α signaling. Mechanically, the chemotherapeutic drug epidoxorubicin induces GRO-α expression in primary bladder cancer cells at G1/S phase via p38-dependent activation of NF-κB...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422039/-urinary-tract-lymphoepithelial-carcinoma-report-of-two-cases-and-bibliographic-review
#8
Sebastian Valverde Martínez, Waleska Salcedo Mercado, Isabel Rodríguez Cruz, Sara Belén Prieto Nogal, Mario Martín Hernández, Luis Miguel Gómez Tejeda
OBJECTIVE: We report two cases of patients diagnosed with lymphoepithelioma-like carcinomas of the urinary tract. We review the literature of this rare entity. The objective is to clarify the clinical and therapeutic characteristics. METHODS: We present a retrospective review of medical records of two patients diagnosed with lymphoepithelioma-like carcinomas, one in the renal pelvis and the other in the bladder. We review the epidemiology, diagnosis and therapeutic alternatives...
April 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28419193/a-randomized-phase-ii-iii-study-of-cabazitaxel-versus-vinflunine-in-metastatic-or-locally-advanced-transitional-cell-carcinoma-of-the-urothelium-secavin
#9
J Bellmunt, J M Kerst, F Vázquez, R Morales-Barrera, E Grande, A Medina, Mªb González Graguera, G Rubio, U Anido, O Fernández Calvo, E González-Billalabeitia, Ajm Van den Eertwegh, E Pujol, J L Perez-Gracia, J L González Larriba, R Collado, M Los, S Maciá, R De Wit
BACKGROUND: Despite the advent of immunotherapy in urothelial cancer, there is still a need to find effective cytotoxic agents beyond first and second line. Vinflunine is the only treatment approved in this setting by the European Medicines Agency (EMA) and taxanes are also widely used in second line. Cabazitaxel is a taxane with activity in docetaxel-refractory cancers. A randomized study was conducted to compare its efficacy vs vinflunine. PATIENTS AND METHODS: This is a multicenter, randomized, open-label, phase II/III study, following a Simon's optimal method with stopping rules based on an interim futility analysis and a formal efficacy analysis at the end of the phase II...
April 13, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28417194/impact-of-bcl2-polymorphisms-on-survival-in-transitional-cell-carcinoma-of-the-bladder
#10
Jochen Hess, Patrick Stelmach, Andreas Eisenhardt, Herbert Rübben, Henning Reis, Kurt Werner Schmid, Hagen Sjard Bachmann
PURPOSE: To evaluate the impact of three BCL2 single-nucleotide polymorphisms, i.e., c.-938C>A (rs2279115), c.21G>A (rs1801018), and c.*2203A>G (rs4987853) on survival in patients with transitional cell carcinoma of the bladder. METHODS: We analyzed 179 patients who underwent surgical treatment for bladder cancer at the Clinic of Urology, University Hospital Essen, Germany. Genomic DNA was extracted and genotyped for the polymorphisms. For all polymorphisms, linkage analysis was performed...
April 17, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28415699/the-prognostic-value-of-histological-subtype-in-patients-with-metastatic-bladder-cancer
#11
Cheng Chen, Linkun Hu, Ye Chen, Jianquan Hou
We aim to evaluate the prognostic effect of the histological sub-type in patients with metastatic bladder cancer based on the Surveillance Epidemiology and End Results database. A total of 2634 eligible patients were included. The histological subtypes were: transitional cell carcinoma (TCC; 75.2%); adenocarcinoma (3.3%); squamous cell carcinoma (SQCC; 4.1%); and small cell carcinoma (4.3%). A significant association of adenocarcinoma with better survival outcomes (P < 0.015), and that of SQCC with worse outcomes (P < 0...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415608/collagen-type-iv-alpha-1-col4a1-and-collagen-type-xiii-alpha-1-col13a1-produced-in-cancer-cells-promote-tumor-budding-at-the-invasion-front-in-human-urothelial-carcinoma-of-the-bladder
#12
Makito Miyake, Shunta Hori, Yosuke Morizawa, Yoshihiro Tatsumi, Michihiro Toritsuka, Sayuri Ohnishi, Keiji Shimada, Hideki Furuya, Vedbar S Khadka, Youping Deng, Kenta Ohnishi, Kota Iida, Daisuke Gotoh, Yasushi Nakai, Takeshi Inoue, Satoshi Anai, Kazumasa Torimoto, Katsuya Aoki, Nobumichi Tanaka, Noboru Konishi, Kiyohide Fujimoto
Current knowledge of the molecular mechanism driving tumor budding is limited. Here, we focused on elucidating the detailed mechanism underlying tumor budding in urothelial cancer of the bladder. Invasive urothelial cancer was pathologically classified into three groups as follows: nodular, trabecular, and infiltrative (tumor budding). Pathohistological analysis of the orthotopic tumor model revealed that human urothelial cancer cell lines MGH-U3, UM-UC-14, and UM-UC-3 displayed typical nodular, trabecular, and infiltrative patterns, respectively...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28406341/outcomes-of-haematuria-referrals-two-year-data-from-a-single-large-university-hospital-in-denmark
#13
Muhammad Elmussareh, Matthew Young, Maria Ordell Sundelin, Camilla Brinkmann Bak-Ipsen, Ole Graumann, Jørgen Bjerggaard Jensen
OBJECTIVE: The aim of this study was to review haematuria referrals to a large university hospital in Denmark, based on the previous Danish guidelines for haematuria referral (before January 2016), to evaluate the pattern of referrals and the cancer detection rates and compare these with the current guidelines. MATERIALS AND METHODS: A retrospective study was undertaken of all patients referred from primary care for the evaluation of haematuria from January 2013 to December 2014...
April 13, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28365083/clinical-transition-to-model-based-dose-calculation-algorithm-a-retrospective-analysis-of-high-dose-rate-tandem-and-ring-brachytherapy-of-the-cervix
#14
Dayee Jacob, Melissa Lamberto, Lana DeSouza Lawrence, Firas Mourtada
PURPOSE: To retrospectively compare clinical dosimetry of CT-based tandem-ring treatment plans using a model-based dose calculation algorithm (MBDCA) with the standard TG-43-based dose formalism. METHODS AND MATERIALS: A cohort of 10 cervical cancer cohorts treated using the tandem and ring high-dose-rate applicators were evaluated. The original treatment plans were created using the department CT-based volume optimization clinical standards. All plans originally calculated with TG-43 dose calculation formalism were recalculated using the MBDCA algorithm...
March 29, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28356972/wild-type-p53-induced-phosphatase-1-is-a-prognostic-marker-and-therapeutic-target-in-bladder-transitional-cell-carcinoma
#15
Zhi-Peng Wang, Shu-Yuan Chen, Ye Tian
Wild-type p53-induced phosphatase (Wip1) is an established oncogene and is associated with development of multiple forms of human cancer. However, the expression and role of Wip1 in human bladder transitional cell carcinoma (TCC) remains to be elucidated. In the present study, immunohistochemistry demonstrated that Wip1 was overexpressed in bladder TCC tissues compared with corresponding normal bladder tissues in 106 bladder TCC cases (P<0.0001). Furthermore, high expression levels of Wip1 were significantly associated with increasing tumor size (P=0...
February 2017: Oncology Letters
https://www.readbyqxmd.com/read/28345835/evolution-of-the-histo-epidemiological-profile-of-urological-cancers-in-togo
#16
Tchin Darré, Koué Folligan, Tchilabalo Matchonna Kpatcha, Kokou Kanassoua, Edoe Sewa, Sassil Daré, Kodjo Tengue, Koffi Amégbor, Gado Napo Koura
Background: Urological cancers are an important public health issue and pose problems with diagnosis and adequate management in developing countries. Our aim was to determine and report epidemiological and histological features of urological cancers in Togo. Materials and methods: A retrospective descriptive study was conducted of cases of urological cancers observed in the laboratory of pathological anatomy of the CHU Tokoin over the last 4 years (2012-2016). The parameters studied were frequency, age, sex, sites of development and histological type...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28337271/effects-of-long-term-low-and-high-dose-sodium-arsenite-exposure-in-human-transitional-cells
#17
Jianming He, Feng Wang, Fen Luo, Xuedan Chen, Xi Liang, Wenbin Jiang, Zhizhong Huang, Jiafan Lei, Fabo Shan, Xueqing Xu
Epidemiological studies have revealed the association between increased risk of bladder cancer and chronic arsenic exposure. Here, we explored biological effects of arsenic in T24. Microarray analysis was applied to analyze mRNA in T24 following 0, 2 or 5 μM sodium arsenite (As) exposure for 72 hours. Long term (up to 140 days) low-dose (200 nM) and high-dose (1,000 nM) As decreased E-cadherin protein level through different mechanisms because the mRNA levels of E-cadherin increased following low-dose As exposure but decreased following high-dose As exposure...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28331343/silencing-trim59-inhibits-invasion-migration-and-epithelial-to-mesenchymal-transition-via-tgf-%C3%AE-smad2-3-signaling-pathway-in-bladder-cancer-cells
#18
Wei Chen, Kai Zhao, Chenkui Miao, Aiming Xu, Jianzhong Zhang, Jundong Zhu, Shifeng Su, Zengjun Wang
The evolutionarily conserved genes that encode the tripartite motif (TRIM) protein family are involved in various biological processes, including cellular immunity, inflammatory reaction, antiviral activity, and tumor progression. One member of this protein family, Trim59, has been reported as a novel biomarker for the occurrence and progression of multiple human carcinomas, such as lung cancer, gastric cancer, cervical cancer, and osteosarcoma. However, little is known about the relationship between Trim59 and bladder carcinogenesis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28288548/upregulated-glutathione-transferase-omega-1-correlates-with-progression-of-urinary-bladder-carcinoma
#19
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/28287737/large-scale-srm-screen-of-urothelial-bladder-cancer-candidate-biomarkers-in-urine
#20
Elodie Duriez, Christophe D Masselon, Cédric Mesmin, Magali Court, Kevin Demeure, Yves Allory, Núria Malats, Mariette Matondo, François Radvanyi, Jérôme Garin, Bruno Domon
Urothelial bladder cancer is a condition associated with high recurrence and substantial morbidity and mortality. Noninvasive urinary tests that would detect bladder cancer and tumor recurrence are required to significantly improve patient care. Over the past decade, numerous bladder cancer candidate biomarkers have been identified in the context of extensive proteomics or transcriptomics studies. To translate these findings in clinically useful biomarkers, the systematic evaluation of these candidates remains the bottleneck...
March 23, 2017: Journal of Proteome Research
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