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Urothelial cell carcinoma

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https://www.readbyqxmd.com/read/29777711/uca1-confers-paclitaxel-resistance-to-ovarian-cancer-through-mir-129-abcb1-axis
#1
Junrong Wang, Cong Ye, Junbao Liu, Yubo Hu
Increasing evidence has demonstrated the involvement of dysregulated long non-coding RNAs (lncRNAs) in chemoresistance acting as potential oncogenes or tumor suppressors in various cancers. Nevertheless, the profound molecular mechanisms of lncRNAs in ovarian cancer (OC) chemoresistance is not well elucidated. The objective of this work was to investigate the role and molecular mechanisms of urothelial carcinoma associated 1 (UCA1) in paclitaxel (PTX) resistance in OC. Our results indicated that UCA1 was significantly up-regulated in PTX-resistant OC cells (SKOV3/PTX and HeyA-8/PTX) compared with their parental cells (SKOV3 and HeyA-8)...
May 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29767328/a-placebo-controlled-efficacy-study-of-the-intravesical-immunomodulators-tmx-101-and-tmx-202-in-an-orthotopic-bladder-cancer-rat-model
#2
Johannes Falke, Christina A Hulsbergen-van de Kaa, Roberto Maj, Egbert Oosterwijk, J Alfred Witjes
PURPOSE: TMX-101 and TMX-202 are formulations of toll-like receptor 7 (TLR-7) agonists, under investigation for the treatment of urothelial carcinoma. Our goal was to evaluate the efficacy of intravesical instillations of TMX-101 or TMX-202 in an orthotopic bladder cancer rat model. METHODS: Four groups of 14 rats received an instillation with isogenic AY-27 tumor cells on day 0, starting tumor development. On day 2 and 5, the rats were treated with an intravesical instillation of TMX-101 0...
May 16, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29763719/small-cell-carcinoma-of-the-urinary-bladder-a-clinicopathologic-and-immunohistochemical-analysis-of-81-cases
#3
Gang Wang, Li Xiao, Miao Zhang, Ashish M Kamat, Arlene Siefker-Radtke, Colin P Dinney, Bogdan Czerniak, Charles C Guo
Small cell carcinoma (SmCC) of the bladder is a rare disease. We retrospectively studied a large series of bladder SmCC from a single institution. The patients included 69 men and 12 women with a mean age of 68years. Most bladder SmCC were presented at advanced stage with tumors invading the muscularis propria and beyond (n=77). SmCC was pure in 27 cases and mixed with other histologic types in 54 cases, including urothelial carcinoma (UC) (n=32), UC in situ (n=26), glandular (n=14), micropapillary (n=4), sarcomatoid (n=4), and squamous (n=3), and plasmacytoid (n=1) features...
May 12, 2018: Human Pathology
https://www.readbyqxmd.com/read/29762839/circulating-uca1-is-highly-expressed-in-patients-with-systemic-lupus-erythematosus-and-promotes-the-progression-through-the-akt-pathway
#4
C-R Jiang, T-H Li
OBJECTIVE: To investigate the role of Urothelial Carcinoma Associated 1 (UCA1) during the progression of systemic lupus erythematosus (SLE) and the underlying mechanism. PATIENTS AND METHODS: UCA1 expression in peripheral blood of SLE patients, as well as the expression of protein kinase B (AKT) in the peripheral blood mononuclear cell (PBMC), was detected by qRT-PCR. Expression differences in UCA1 and AKT between different groups were compared by t-test or univariate analysis...
April 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29762824/long-noncoding-rna-uca1-promotes-cell-proliferation-migration-and-invasion-of-human-leukemia-cells-via-sponging-mir-126
#5
M-D Sun, Y-Q Zheng, L-P Wang, H-T Zhao, S Yang
OBJECTIVE: Acute myeloid leukemia (AML) is a bone marrow malignancy. Long non-coding RNA (lncRNA) urothelial carcinoma-associated 1 (UCA1) plays an important role in several cancers. However, the role of lncRNA UCA1 in AML remained unclear. MATERIALS AND METHODS: LncRNA UCA1 expressions in different cell lines were determined by RT-PCR. In human myelogenous leukemia (ML) cell lines K562 and HL60, effects of lncRNA UCA1 knockdown on cell viability, migration, invasion, and apoptosis were assessed, respectively...
April 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29761225/pathological-characteristics-and-prognostic-indicators-of-different-histopathological-types-of-urinary-bladder-cancer-following-radical-cystectomy-in-a-large-single-center-egyptian-cohort
#6
Jeremy W Martin, Simone L Vernez, Yair Lotan, Ahmed Abdelhalim, Rahul Dutta, Ahmed Shokeir, Hassan Abol-Enein, Ahmed Mosbah, Mohamed Ghoneim, Ramy F Youssef
OBJECTIVE: To evaluate differences in pathological features and prognostics across four bladder cancer histopathological types: urothelial carcinoma (UC), urothelial carcinoma with variant histology (UCV), squamous cell carcinoma (SCC) and adenocarcinoma (ADC), utilizing a large cohort of radical cystectomy (RC) patients. METHODS: A retrospective analysis of patients who underwent RC at a single institution in Egypt between 1997 and 2004 was performed. Kaplan-Meier and multivariable analyses were performed to evaluate the prognostic significance of pathological features including tumor stage, grade, lymphovascular invasion (LVI), and lymph node (LN) involvement in the different subtypes on disease-free survival (DFS)...
May 14, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29754130/urothelial-carcinoma-of-an-allograft-ureter-10-years-after-deceased-donor-kidney-transplantation
#7
Kevin P Gaughan, Usman Haroon, Niall F Davis, Ponnusamy Mohan
The incidence of urothelial carcinoma (UC; formerly transitional cell carcinoma) is higher among renal transplant recipients compared with the general population. Upper urinary tract UC (UUT-UC) of allograft urothelium is a rare event with approximately 40 cases reported in the literature. Herein, we describe the clinical presentation and management of UUT-UC in a transplant ureter 10 years after deceased donor kidney transplantation.
May 12, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29750666/pd-l1-immunohistochemistry-assay-concordance-in-urothelial-carcinoma-of-the-bladder-and-hypopharyngeal-squamous-cell-carcinoma
#8
Anjelica Hodgson, Elzbieta Slodkowska, Achim Jungbluth, Stanley K Liu, Danny Vesprini, Danny Enepekides, Kevin Higgins, Nora Katabi, Bin Xu, Michelle R Downes
Programmed death ligand-1 (PD-L1) immunohistochemistry is used to guide treatment decisions regarding the use of checkpoint immunotherapy in the management of urothelial carcinoma of the bladder and hypopharyngeal (HP) squamous cell carcinoma. With increasing PD-L1 testing options, a need has arisen to assess the analytical comparability of diagnostic assays in order to develop a more sustainable testing strategy. Using tissue microarrays, PD-L1 expression in tumor cells (TCs) and immune cells (ICs) was manually scored in 197 cases and 27 cases of bladder and HP cancer, respectively...
May 10, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29747777/mir-429-expression-in-bladder-cancer-and-its-correlation-with-tumor-behavior-and-clinical-outcome
#9
Chia-Lun Wu, Jar-Yi Ho, Shun-Hsing Hung, Dah-Shyong Yu
We previously showed that microRNA-429 (miR-429) played an important role in epithelial-mesenchymal transition (EMT) of urothelial cell carcinoma of the bladder. We herein evaluated the expression of miR-429 in bladder cancer and its potential relevance to clinicopathological characteristics and patient survival. Relative expression levels of miR-429 in surgical bladder cancer tissue specimens obtained from 76 patients with bladder cancer were measured by chromogenic in situ hybridization. miR-429 expression was significantly higher in specimens from alive patients than expired patients in both of 5-year overall survival (OS) (0...
June 2018: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/29745925/-mechanism-of-action-of-intravesical-bcg-biological-bases-and-clinical-applicability
#10
Joaquín A Carballido, María Rodríguez Monsalve
The therapeutic approaches developed around immune system modulation find the therapeutic contribution of intravesical Bacillus Calmette Guerin (BCG) for transitional cell bladder cancer an unquestionable example as a proof of concept of antitumor immunotherapy since more than 30 years ago. Intravesical immunotherapy for urothelial carcinomas is considered with periodic intravesical instillations schedules, and the one with longer historic development and wider diffusion is BCG in the form of suspension. BCG is a unique strain obtained from Mycobacterium bovis at the end of the first third of the XX century and represents the historically most successful immunotherapeutic modality of all tumors with a high level body of evidence...
May 2018: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/29732388/systematic-review-characteristics-and-preclinical-uses-of-bladder-cancer-cell-lines
#11
Tahlita C M Zuiverloon, Florus C de Jong, James C Costello, Dan Theodorescu
Background: Bladder cancer (BC) cell lines are indispensable in basic and preclinical research. Currently, an up-to-date and comprehensive overview of available BC cell lines is not available. Objective: To provide an overview and resources on the origin, pathological and molecular characteristics of commonly used human, murine and canine BC cell lines. Methods: A PubMed search was performed for relevant articles published between 1980 and 2017 according to the following MeSH terms: cell line; cell line, tumor; urinary bladder neoplasms; carcinoma, transitional cell...
April 26, 2018: Bladder Cancer
https://www.readbyqxmd.com/read/29732386/naturally-occurring-canine-invasive-urothelial-carcinoma-a-model-for-emerging-therapies
#12
REVIEW
Breann C Sommer, Deepika Dhawan, Timothy L Ratliff, Deborah W Knapp
The development of targeted therapies and the resurgence of immunotherapy offer enormous potential to dramatically improve the outlook for patients with invasive urothelial carcinoma (InvUC). Optimization of these therapies, however, is crucial as only a minority of patients achieve dramatic remission, and toxicities are common. With the complexities of the therapies, and the growing list of possible drug combinations to test, highly relevant animal models are needed to assess and select the most promising approaches to carry forward into human trials...
April 26, 2018: Bladder Cancer
https://www.readbyqxmd.com/read/29732201/robot-assisted-radical-cystectomy-first-polish-clinical-outcomes
#13
Przemysław Adamczyk, Kajetan Juszczak, Pawel Poblocki, Witold Mikolajczak, Tomasz Drewa
Introduction: Urothelial cell carcinoma is the most common neoplasm of the genito-urinary tract, which, in advanced stages, is treated with radical cystectomy with pelvic lymphadenectomy. It can be performed by an open or minimally invasive approach (laparoscopic and robot-assisted radical cystectomy).Large meta-analyses showed a significantly lower complication rate in the RARC (robot-assisted radical cystectomy) group compared to ORC (open radical cystectomy) in thirty and ninety days after surgery, with similar oncological and functional outcomes...
2018: Central European Journal of Urology
https://www.readbyqxmd.com/read/29731962/gamma-klotho-exhibits-multiple-roles-in-tumor-growth-of-human-bladder-cancer
#14
Shunta Hori, Makito Miyake, Yoshihiro Tatsumi, Yosuke Morizawa, Yasushi Nakai, Sayuri Onishi, Kenta Onishi, Kota Iida, Daisuke Gotoh, Nobumichi Tanaka, Kiyohide Fujimoto
Alpha-Klotho (KLα) and beta-Klotho (KLβ) have recently been reported to correlate with cancer prognosis in some malignancies and we previously reported the association between KLα, KLβ, and urothelial carcinoma of the bladder (UCB), indicating that KLβ acts as a tumor promoter. However, the association between gamma-Klotho (KLγ) and cancer prognosis remains unclear. In the present study, we evaluated the association between KLγ and UCB. To evaluate the effect of KLγ on human bladder cancer cell lines in vitro assays were performed...
April 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29731899/expression-of-cd74-in-bladder-cancer-and-its-suppression-in-association-with-cancer-proliferation-invasion-and-angiogenesis-in-ht-1376-cells
#15
Jun-Wei Gai, Wasilijiang Wahafu, Liming Song, Hao Ping, Mingshuai Wang, Feiya Yang, Yinong Niu, Wei Qing, Nianzeng Xing
The aim of the present study was to investigate the expression and potential roles of CD74 in human urothelial cell carcinoma of the bladder (UCB) in vitro and in vivo . CD74 and macrophage migration inhibitory factor (MIF) were located and assayed in normal and UCB samples and cell lines using immunostaining. CD74 was knocked down using CD74 shRNA lentiviral particles in HT-1376 cells. The proliferative, invasive potential and microvessel density (MVD) of knockdown-CD74 HT-1376 cells were analyzed in vitro or in vivo ...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29731855/auxiliary-diagnostic-value-of-p16-amplification-combined-with-the-detection-of-heterozygous-and-homozygous-loss-for-urothelial-carcinoma
#16
Xiaopeng Mao, Baimou Li, Ying Liang, Shuhua Li, Jianwen Zhou, Qiong He, Neng Jiang, Yangshan Chen, Yu Sun, Yongmei Cui, Wenting Jiang, Han Wang, Liantang Wang, Zunfu Ke
The present study aimed to investigate the significance of detecting cyclin dependent kinase inhibitor 2A (p16) gene aberrations in the diagnosis of urothelial carcinoma (UC) using fluorescence in situ hybridization (FISH). A total of 77 voided urine specimens from 65 patients with UC and 12 patients with benign urinary disease were recruited into the current study. Under a fluorescence microscope, cells with large and irregular nuclei were assessed for chromosomal aberrations. The positive rate of p16 amplification in UC samples was 32...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29731801/sarcomatoid-carcinoma-of-renal-pelvis-involving-ureter-and-renal-parenchyma-with-heterologous-osteosarcomatous-differentiation-a-case-report-and-review-of-literature
#17
Bhavya P Mohan, P L Jayalakshmy, V Letha, Suresh Bhat
Sarcomatoid carcinoma is a highgrade rare malignant tumor with both epithelial and mesenchymal components. Sarcomatoid carcinoma in the upper urinary tract is very rare. We reported here a case of sarcomatoid carcinoma of renal pelvis with osteosarcomatous differentiation, with involvement of the ureter and renal parenchyma in a 68-year-old female. Histologically, predominant pleomorphic spindle cell sarcoma component with osteoid production and urothelial carcinoma component with in situ areas were identified...
2018: Iranian Journal of Pathology
https://www.readbyqxmd.com/read/29725402/high-expression-of-b7-h3-and-cd163-in-cancer-tissues-indicates-malignant-clinicopathological-status-and-poor-prognosis-of-patients-with-urothelial-cell-carcinoma-of-the-bladder
#18
Zhili Xu, Ling Wang, Jianhua Tian, Hongwei Man, Pengfei Li, Baoen Shan
The objective of the present study was to investigate the association of B7-H3 expression and cluster of differentiation (CD)163+ tumor-associated macrophage (TAM) infiltration with clinicopathological parameters in urothelial cell carcinoma of the bladder (UCB), and to investigate their potential conjoint effects on progression of UCB. B7-H3 expression and CD163+ TAM infiltration in tumor specimens from 134 consecutive patients that underwent radical cystectomy for UCB were tested using immunohistochemistry, followed by statistical analysis...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29725350/urinary-bladder-cancer-in-egypt-are-there-gender-differences-in-its-histopathological-presentation
#19
Fiorina Kyritsi, Christopher A Loffredo, Yun-Ling Zheng, George Philips, Sania Amr
We investigated gender differences in the histopathologic presentation of bladder cancer cases in Egypt, where both urothelial cell carcinoma (UC) and squamous cell carcinoma (SCC) types are highly prevalent. We used logistic regression to estimate the unadjusted (OR) and adjusted odds ratio (AOR) and 95% confidence interval (CI) of the associations between gender and different histopathologic and sociodemographic parameters of 2,186 confirmed cases of primary bladder cancer (1,775 males and 411 females; 784 SCC and 1,402 UC)...
2018: Advances in Urology
https://www.readbyqxmd.com/read/29719336/study-of-proliferating-cell-nuclear-antigen-expression-and-angiogenesis-in-urothelial-neoplasms-correlation-with-tumor-grade-and-stage
#20
Poojan Agarwal, Achin Kumar Sen, Minakshi Bhardwaj, Veronique Dinand, Arvind Ahuja, Rajeev Sood
Background: Urinary bladder carcinoma ranks ninth in worldwide cancer incidence. About 74,000 new cases were diagnosed in 2015 alone and 16,000 persons died of the disease. Since histopathology is considered gold standard for diagnosis, it is prudent to look for potential tumor proliferation and predictive markers in such a prevalent malignancy so as to alert surgical and medical oncologists for timely intervention and provide better patient-tailored therapy. Aims: This study is to analyze the role of potential biomarkers-proliferating cell nuclear antigen (PCNA) and angiogenesis using CD31 in urothelial neoplasms in relation to tumor grade and stage...
April 2018: Urology Annals
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