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Transitional bladder cancer

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https://www.readbyqxmd.com/read/28535004/peroxiredoxin-5-overexpression-enhances-tumorigenicity-and-correlates-with-poor-prognosis-in-gastric-cancer
#1
Bokyung Kim, Yeon Soo Kim, Hye-Mi Ahn, Hyo Jin Lee, Min Kyu Jung, Hyun Yong Jeong, Dong Kyu Choi, Jun Hyeog Lee, Sang-Rae Lee, Jin Man Kim, Dong-Seok Lee
Gastric cancer is one of the leading causes of cancer-related deaths worldwide. Despite the advanced surgical resection techniques and anticancer drugs currently available to treat early stage gastric cancer, the prognosis of patients with gastric cancer remains poor. The epithelial to mesenchymal transition (EMT) is an important process for the initiation of tumorigenesis. Recent studies suggested that reactive oxygen species (ROS) can promote cell migration and invasion. Thus, an imbalance of redox homeostasis can result in cancer cells exhibiting EMT properties...
May 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28528857/rare-occurrence-of-giant-metastatic-inguinal-lymph-nodes-in-carcinoma-bladder
#2
Ruchir Aeron, Manoj Kumar, Sunny Goel, Ashok Kumar Sokhal
Inguinal lymph node metastasis of a bladder cancer is a rare scenario. Till date, only four cases of inguinal lymph node metastasis from bladder cancer have been reported in the literature. We report a rare giant inguinal lymph node metastasis of transitional cell carcinoma(TCC) of bladder in a patient after radical cystoprostatectomy. Chemotherapy and radiotherapy were given, but showed no remission.
May 18, 2017: Urology
https://www.readbyqxmd.com/read/28521108/mir-301b-promotes-the-proliferation-mobility-and-epithelial-to-mesenchymal-transition-of-bladder-cancer-cells-by-targeting-egr1
#3
Lei Yan, Yan Wang, Jun Liang, Zhixin Liu, Xiaodong Sun, Kerui Cai
We aimed to investigate the role of miR-301b in the modulation of the proliferation, migration and invasion in bladder cancer (BLCA) cells. The expression of miR-301b and EGR1 (early growth response gene 1) mRNA were analyzed by qRT-PCR (quantitative real-time polymerase chain reaction). Dual-luciferase reporter gene system was used to identify the target relationship between miR-301b and EGR1. Cell proliferation, cell cycle and apoptosis were analyzed by MTT assay, colony-forming assay and flow cytometry, respectively...
May 18, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28488840/bladder-cancer-and-th1-chemokines
#4
S-R Paparo, P Fallahi
Bladder cancer arises from the epithelial lining of the urinary bladder, and it is known as transitional cell carcinoma (TCC). Tobacco smoking is the main known contributor to urinary bladder cancer. However thirty percent of bladder tumors probably result from occupational exposure in the workplace to carcinogens. Immunotherapy by intravesicular delivery of Bacillus Calmette–Guérin (BCG) is used to treat and prevent the recurrence of superficial bladder cancer. Successful BCG immunotherapy for bladder cancer is associated with proper induction of T helper (Th)1 immunity...
January 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28473429/atraumatic-chylous-ascites-an-unusual-presentation-of-bladder-cancer
#5
Ashish Srinivasan, Ross Apostolov, Amanda Leong, Douglas Johnson
We describe a case of bladder cancer presenting with atraumatic chylous ascites, which remains an extremely rare presentation of this condition. A previously well, elderly ex-smoker with no prior history of abdominal surgery was referred for investigation of progressive dyspnoea, increasing peripheral oedema and new-onset ascites, on a background of long-standing alcohol consumption (four standard drinks daily). Liver biochemistry and coagulation profile were normal apart from marked hypoalbuminaemia. Doppler ultrasound of the liver demonstrated normal echotexture and patent vasculature...
May 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28463831/lncror-promotes-bladder-cancer-cell-proliferation-migration-and-epithelial-mesenchymal-transition
#6
Yi Chen, Ya Peng, Zhipeng Xu, Bo Ge, Xuebao Xiang, Tianyu Zhang, Li Gao, Hailin Shi, Chuang Wang, Jiefu Huang
BACKGROUND: LncRNA ROR, a tumor oncogene associated with various human cancers, has been reported to be involved in regulating various cellular processes, such as proliferation, apoptosis and invasion through targeting multiple genes. However, the molecular biological function in bladder cancer has not been clearly elucidated. The aim of this study is to explore ROR expression levels and evaluated its function in bladder cancer. METHODS: LncRNA ROR expression levels in the 36 pairs of bladder cancer tissues (and corresponding non-tumor tissues) and bladder cancer cells were assessed by qRT-PCR...
May 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28454096/effects-of-increased-kindlin-2-expression-in-bladder-cancer-stromal-fibroblasts
#7
Jitao Wu, Cuicui Yu, Li Cai, Youyi Lu, Lei Jiang, Chu Liu, Yongwei Li, Fan Feng, Zhenli Gao, Zhe Zhu, Shengqiang Yu, Hejia Yuan, Yuanshan Cui
Kindlin-2 is a focal adhesion protein highly expressed in bladder cancer stromal fibroblasts. We investigated the prognostic significance of Kindlin-2 in bladder cancer stromal fibroblasts and evaluated the effects of Kindlin-2 on the malignant behaviors of tumor cells. Immunohistochemical staining of 203 paraffin-embedded bladder cancer tissues showed that Kindlin-2 expression correlated with advanced stage, high grade, and relapse of bladder cancer. Kaplan-Meier survival analysis demonstrated that patients exhibiting high Kindlin-2 expression had shorter survival times than those with low Kindlin-2 expression (p < 0...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28453558/tumor-targeted-sn38-inhibits-growth-of-early-stage-non-small-cell-lung-cancer-nsclc-in-a-kras-p53-transgenic-mouse-model
#8
Alexander Y Deneka, Leora Haber, Meghan C Kopp, Anna V Gaponova, Anna S Nikonova, Erica A Golemis
Non-small cell lung cancer (NSCLC) is the leading cause of cancer death worldwide, with a 5-year survival of only ~16%. Potential strategies to address NSCLC mortality include improvements in early detection and prevention, and development of new therapies suitable for use in patients with early and late stage diagnoses. Controlling the growth of early stage tumors could yield significant clinical benefits for patients with comorbidities that make them poor candidates for surgery: however, many drugs that limit cancer growth are not useful in the setting of long-term use or in comorbid patients, because of associated toxicities...
2017: PloS One
https://www.readbyqxmd.com/read/28447581/effect-of-cisplatin-based-neoadjuvant-chemotherapy-on-survival-in-patients-with-bladder-cancer-a-meta-analysis
#9
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
#10
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
#11
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
#12
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...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28436082/tricellulin-is-a-target-of-the-ubiquitin-ligase-itch
#13
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
#14
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...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423359/epithelial-mesenchymal-transition-induced-by-gro-%C3%AE-cxcr2-promotes-bladder-cancer-recurrence-after-intravesical-chemotherapy
#15
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
#16
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
#17
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
#18
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
#19
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...
April 25, 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
#20
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
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