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https://www.readbyqxmd.com/read/28804505/an-etiologic-prediction-model-incorporating-biomarkers-to-predict-the-bladder-cancer-risk-associated-with-occupational-exposure-to-aromatic-amines-a-pilot-study
#1
Giuseppe Mastrangelo, Angela Carta, Cecilia Arici, Sofia Pavanello, Stefano Porru
BACKGROUND: No etiological prediction model incorporating biomarkers is available to predict bladder cancer risk associated with occupational exposure to aromatic amines. METHODS: Cases were 199 bladder cancer patients. Clinical, laboratory and genetic data were predictors in logistic regression models (full and short) in which the dependent variable was 1 for 15 patients with aromatic amines related bladder cancer and 0 otherwise. The receiver operating characteristics approach was adopted; the area under the curve was used to evaluate discriminatory ability of models...
2017: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/28790856/role-of-downregulated-mir-133a-3p-expression-in-bladder-cancer-a-bioinformatics-study
#2
Li Gao, Sheng-Hua Li, Yi-Xin Tian, Qing-Qing Zhu, Gang Chen, Yu-Yan Pang, Xiao-Hua Hu
It has been discovered that miR-133a-3p acts as a tumor suppressor in bladder cancer (BC). Nevertheless, the function of miR-133a-3p in BC remains unclarified. Thus, we carried out this study to validate the expression of miR-133a-3p in BC and provide insights into the molecular mechanism underlying it. To assess the expression of miR-133a-3p in BC, we searched eligible studies from literature and Gene expression Omnibus (GEO) to perform a meta-analysis. We also plotted the summary receiver operating characteristic (SROC) curve to evaluate the diagnostic ability of miR-133a-3p in BC...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28782717/in-silico-approaches-for-unveiling-novel-glycobiomarkers-in-cancer
#3
Rita Azevedo, André M N Silva, Celso A Reis, Lúcio Lara Santos, José Alexandre Ferreira
Glycosylation is one of the most common and dynamic post-translational modification of cell surface and secreted proteins. Cancer cells display unique glycosylation patterns that decisively contribute to drive oncogenic behavior, including disease progression and dissemination. Moreover, alterations in glycosylation are often responsible for the creation of protein signatures holding significant biomarker value and potential for targeted therapeutics. Accordingly, many analytical protocols have been outlined for the identification of abnormally glycosylated proteins by mass spectrometry...
August 4, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28774300/diagnostic-significance-of-micrornas-as-novel-biomarkers-for-bladder-cancer-a-meta-analysis-of-ten-articles
#4
Hong-Bin Shi, Jia-Xing Yu, Jian-Xiu Yu, Zheng Feng, Chao Zhang, Guang-Yong Li, Rui-Ning Zhao, Xiao-Bo Yang
BACKGROUND: Previous studies have revealed the importance of microRNAs' (miRNAs) function as biomarkers in diagnosing human bladder cancer (BC). However, the results are discordant. Consequently, the possibility of miRNAs to be BC biomarkers was summarized in this meta-analysis. METHODS: In this study, the relevant articles were systematically searched from CBM, PubMed, EMBASE, and Chinese National Knowledge Infrastructure (CNKI). The bivariate model was used to calculate the pooled diagnostic parameters and summary receiver operator characteristic (SROC) curve in this meta-analysis, thereby estimating the whole predictive performance...
August 3, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28764970/urinary-exosomal-mir-2909-a-novel-pathognomonic-trait-of-prostate-cancer-severity
#5
S Wani, D Kaul, R S Mavuduru, N Kakkar, A Bhatia
The global occurrence of prostate cancer with a range of patient outcome has prompted various investigators to explore novel molecular biomarkers that can precisely detect and track this type of cancer severity. Several studies suggest that micro-RNAs have emerged to act as a new largely unexplored class of biomarkers because of their inherent stability, resilience and recruitment into exosomes present in various human body fluids. With this study, we aim to reveal the nature of urinary-exosomal miR-2909 & miR-615-3p recruitment in patients suffering from either prostate cancer (n=90) or bladder cancer (n=60) as compared to that in either prostate disease-control subjects having benign prostate hyperplasia (n=10) or healthy subjects (n=50)...
July 29, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28759252/long-noncoding-rna-cancer-susceptibility-candidate-8-suppresses-the-proliferation-of-bladder-cancer-cells-via-regulating-glycolysis
#6
Renguang Hu, Peng Zhong, Lu Xiong, Liangbin Duan
Increasing evidence highlights the critical regulatory role of long noncoding RNAs (lncRNAs) in carcinogenesis. Bladder cancer has become the most prevalent urologic malignancy, which is commonly diagnosed among adults. In this study, we showed that the lncRNA cancer susceptibility candidate 8 (CASC8) is significantly downregulated in bladder cancers and associated with the advanced stage of bladder cancer patients. Overexpression of CASC8 remarkably suppressed the bladder cancer cell proliferation. Mechanistically, we illustrated that CASC8 reduced the glycolysis of bladder cancer cells via interacting with the fibroblast growth factor receptor 1 (FGFR1)...
July 31, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28753886/distinct-lipidomic-landscapes-associated-with-clinical-stages-of-urothelial-cancer-of-the-bladder
#7
Danthasinghe Waduge Badrajee Piyarathna, Thekkelnaycke M Rajendiran, Vasanta Putluri, Venkatrao Vantaku, Tanu Soni, Friedrich-Carl von Rundstedt, Sri Ramya Donepudi, Feng Jin, Suman Maity, Chandrashekar R Ambati, Jianrong Dong, Daniel Gödde, Stephan Roth, Stephan Störkel, Stephan Degener, George Michailidis, Seth P Lerner, Subramaniam Pennathur, Yair Lotan, Cristian Coarfa, Arun Sreekumar, Nagireddy Putluri
BACKGROUND: The first global lipidomic profiles associated with urothelial cancer of the bladder (UCB) and its clinical stages associated with progression were identified. OBJECTIVE: To identify lipidomic signatures associated with survival and different clinical stages of UCB. DESIGN, SETTING, AND PARTICIPANTS: Pathologically confirmed 165 bladder-derived tissues (126 UCB, 39 benign adjacent or normal bladder tissues). UCB tissues included Ta (n=16), T1 (n=30), T2 (n=43), T3 (n=27), and T4 (n=9); lymphovascular invasion (LVI) positive (n=52) and negative (n=69); and lymph node status N0 (n=28), N1 (n=11), N2 (n=9), N3 (n=3), and Nx (n=75)...
April 20, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28753876/emerging-utility-of-urinary-cell-free-nucleic-acid-biomarkers-for-prostate-bladder-and-renal-cancers
#8
REVIEW
Selena Y Lin, Jennifer A Linehan, Timothy G Wilson, Dave S B Hoon
CONTEXT: By 2020 the estimated incidence of genitourinary (GU) cancers (prostate, bladder, and kidney) will be over 2 million worldwide and responsible for ∼800 000 deaths. Current diagnosis and monitoring methods of GU cancer patients are often invasive and/or lack sensitivity and specificity. Given the utility of blood-based cell-free nucleic acid (cfNA) biomarkers, the development of urinary cfNA biomarkers may improve the sensitivity of urine assays utilizing urine sediment for GU cancers...
March 31, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28753805/the-urinary-tract-microbiome-in-health-and-disease
#9
REVIEW
Isabel M Aragón, Bernardo Herrera-Imbroda, María I Queipo-Ortuño, Elisabeth Castillo, Julia Sequeira-García Del Moral, Jaime Gómez-Millán, Gozde Yucel, María F Lara
CONTEXT: The urinary tract, previously considered a sterile body niche, has emerged as the host of an array of bacteria in healthy individuals, revolutionizing the urology research field. OBJECTIVE: To review the literature on microbiome implications in the urinary tract and the usefulness of probiotics/prebiotics and diet as treatment for urologic disorders. EVIDENCE ACQUISITION: A systematic review was conducted using PubMed and Medline from inception until July 2016...
November 14, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28753799/a-novel-urine-based-assay-for-bladder-cancer-diagnosis-multi-institutional-validation-study
#10
Noa Davis, Alexander Shtabsky, Sylvia Lew, Ronny Rona, Ilan Leibovitch, Ofer Nativ, Michael Cohen, Yoram Mor, Uri Lindner, Yael Glickman, Haim Matzkin, Alexander Tsivian, Ofer Gofrit, Ofer Yossepovitch
BACKGROUND: CellDetect is a unique histochemical stain enabling color and morphological discrimination between malignant and benign cells based on differences in metabolic signature. OBJECTIVE: The objective of the present study was to validate the performance of this assay in a controlled, blinded, multicenter study. DESIGN, SETTING, AND PARTICIPANTS: The study, conducted in nine hospitals, included patients with documented history of bladder cancer, monitored for urothelial carcinoma (UCC) or scheduled for bladder cancer surgery...
October 31, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28747577/cd147-as-a-novel-biomarker-for-predicting-the-prognosis-and-clinicopathological-features-of-bladder-cancer-a-meta-analysis
#11
Hongru Li, Yadong Xu, Hui Li
Objective To assess the prognostic and clinicopathological characteristics of CD147 in human bladder cancer.Methods Studies on CD147 expression in bladder cancer were retrieved from PubMed, EMBASE, the Cochrane Library, Web of Science, China National Knowledge Infrastructure, and the WanFang databases. Outcomes were pooled with meta-analyzing softwares RevMan 5.3 and STATA 14.0.Results Twenty-four studies with 25 datasets demonstrated that CD147 expression was higher in bladder cancer than in non-cancer tissues (OR=43...
July 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28729397/the-igf1r-insr-inhibitor-bi-885578-selectively-inhibits-growth-of-igf2-overexpressing-colorectal-cancer-tumors-and-potentiates-the-efficacy-of-anti-vegf-therapy
#12
Michael P Sanderson, Marco H Hofmann, Pilar Garin-Chesa, Norbert Schweifer, Andreas Wernitznig, Stefan Fischer, Astrid Jeschko, Reiner Meyer, Jurgen Moll, Thomas Pecina, Heribert Arnhof, Ulrike Weyer-Czernilofsky, Stephan K Zahn, Günther R Adolf, Norbert Kraut
Clinical studies of pharmacological agents targeting the insulin like growth factor (IGF) pathway in unselected cancer patients have so far demonstrated modest efficacy outcomes, with objective responses being rare. As such, the identification of selection biomarkers for enrichment of potential responders represents a high priority for future trials of these agents. Several reports have described high IGF2 expression in a subset of colorectal cancers (CRC), with focal IGF2 amplification being responsible for some of these cases...
July 20, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28723477/accuracy-of-self-reported-smoking-exposure-among-bladder-cancer-patients-undergoing-surveillance-at-a-tertiary-referral-center
#13
Alan E Thong, Stacey Petruzella, Irene Orlow, Emily C Zabor, Behfar Ehdaie, Jamie S Ostroff, Bernard H Bochner, Helena Furberg Barnes
BACKGROUND: Smoking is a risk factor for developing bladder cancer (BCa). Even though continued exposure after diagnosis may adversely affect prognosis, patients may be reluctant to disclose to their physicians that they are currently smoking, leading to inaccurate reporting of exposure and missed opportunities to deliver smoking-cessation advice and treatment in the context of cancer care. OBJECTIVE: We examined the extent of misclassification of recent smoking exposure among patients undergoing BCa surveillance...
October 2016: European Urology Focus
https://www.readbyqxmd.com/read/28720358/prognostic-significance-of-neutrophilic-infiltration-in-benign-lymph-nodes-in-patients-with-muscle-invasive-bladder-cancer
#14
Sumanta K Pal, Anh Pham, Winston Vuong, Xueli Liu, Yulan Lin, Nora Ruel, Bertram E Yuh, Kevin Chan, Timothy Wilson, Seth P Lerner, David McConkey, Richard Jove, Wei Liang
BACKGROUND: Preclinical studies suggest that signal transducer and activator of transcription 3 (STAT3)-mediated recruitment of neutrophils to premetastatic tissue occurs prior to metastatic progression. OBJECTIVE: We sought to determine if neutrophilic infiltration in benign nodal tissue is associated with poor clinical outcome in patients with muscle-invasive bladder cancer. DESIGN, SETTING, AND PARTICIPANTS: Formalin-fixed, paraffin-embedded tissue was secured from 55 patients with muscle-invasive bladder cancer who had undergone cystectomy at our institution...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28717852/elevated-s100a8-protein-expression-in-breast-cancer-cells-and-breast-tumor-stroma-is-prognostic-of-poor-disease-outcome
#15
P Miller, K M Kidwell, D Thomas, M Sabel, J M Rae, D F Hayes, B I Hudson, D El-Ashry, M E Lippman
PURPOSE: Elevated S100A8 expression has been observed in cancers of the bladder, esophagus, colon, ovary, and breast. S100A8 is expressed by breast cancer cells as well as by infiltrating immune and myeloid cells. Here we investigate the association of elevated S100A8 protein expression in breast cancer cells and in breast tumor stroma with survival outcomes in a cohort of breast cancer patients. PATIENTS AND METHODS: Tissue microarrays (TMA) were constructed from breast cancer specimens from 417 patients with stage I-III breast cancer treated at the University of Michigan Comprehensive Cancer Center between 2004 and 2006...
July 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28717136/association-of-plasma-and-urinary-mutant-dna-with-clinical-outcomes-in-muscle-invasive-bladder-cancer
#16
K M Patel, K E van der Vos, C G Smith, F Mouliere, D Tsui, J Morris, D Chandrananda, F Marass, D van den Broek, D E Neal, V J Gnanapragasam, T Forshew, B W van Rhijn, C E Massie, N Rosenfeld, M S van der Heijden
Muscle Invasive Bladder Cancer (MIBC) has a poor prognosis. Whilst patients can achieve a 6% improvement in overall survival with Neo-Adjuvant Chemotherapy (NAC), many do not respond. Body fluid mutant DNA (mutDNA) may allow non-invasive identification of treatment failure. We collected 248 liquid biopsy samples including plasma, cell pellet (UCP) and supernatant (USN) from spun urine, from 17 patients undergoing NAC. We assessed single nucleotide variants and copy number alterations in mutDNA using Tagged-Amplicon- and shallow Whole Genome- Sequencing...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28703782/understanding-the-role-of-non-coding-rnas-in-bladder-cancer-from-dark-matter-to-valuable-therapeutic-targets
#17
REVIEW
Cecilia Pop-Bica, Diana Gulei, Roxana Cojocneanu-Petric, Cornelia Braicu, Bogdan Petrut, Ioana Berindan-Neagoe
The mortality and morbidity that characterize bladder cancer compel this malignancy into the category of hot topics in terms of biomolecular research. Therefore, a better knowledge of the specific molecular mechanisms that underlie the development and progression of bladder cancer is demanded. Tumor heterogeneity among patients with similar diagnosis, as well as intratumor heterogeneity, generates difficulties in terms of targeted therapy. Furthermore, late diagnosis represents an ongoing issue, significantly reducing the response to therapy and, inevitably, the overall survival...
July 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28700340/pooling-analysis-for-diagnostic-and-prognostic-value-of-mirna-100-in-various-cancers
#18
REVIEW
Zhe Dou, Shuai Lin, Cong Dai, Ye Lu, Tian Tian, Meng Wang, Xinghan Liu, Yi Zheng, Peng Xu, Shanli Li, Qianwen Sheng, Yujiao Deng, Zhijun Dai
Many studies manifested miRNA-100 was deregulated in various cancers, which indicated that miRNA-100 might be a potential biomarker of cancer diagnosis and prognosis. However, the role of miRNA-100 was still uncertain. We searched for qualified studies using PubMed, EMBASE, Web of Science, Cochrane library and CNKI databases. The diagnostic effect was evaluated by the pooled sensitivity, specificity, and other indexes. Pooled hazard ratios (HRs) with 95% confidence intervals (CIs) for overall survival (OS) were calculated to assess the prognostic value...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28698102/neonatal-nav1-5-protein-expression-in-normal-adult-human-tissues-and-breast-cancer
#19
Rezan Fahrioglu Yamaci, Scott P Fraser, Esra Battaloglu, Handan Kaya, Kamil Erguler, Christopher S Foster, Mustafa B A Djamgoz
Expression of the neonatal splice variant of the voltage-gated sodium channel α-subunit (VGSC) subtype Nav1.5 (nNav1.5), encoded by the gene SCN5A, was shown earlier to be upregulated in human breast cancer (BCa), both in vitro and in vivo. Channel activity promoted BCa invasion of Matrigel(®)in vitro and metastasis in vivo. Consequently, expression of nNav1.5 has been proposed as a functional biomarker of BCa cells with metastatic potential. Here, we have determined immunohistochemically both nNav1.5 and total VGSC (tVGSC) protein expression in a range of adult human tissues...
August 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28696835/urinary-cadmium-levels-in-active-and-retired-coal-miners
#20
Julia Isermann, Hans-Martin Prager, Rainer Ebbinghaus, Beata Janasik, Wojciech Wasowicz, Bertinus Dufaux, Hans-Friedrich Meyer, Agata Widera, Silvia Selinski, Jan G Hengstler, Klaus Golka
A meta-analysis, based upon 24 publications, showed a significantly elevated risk for urinary bladder cancer amongst miners. In European underground hard coal mining areas, an increased risk for urinary bladder cancer development was noted among hard coal miners, in particular in three investigations in the greater Dortmund area. However, the cause remains unclear. As cadmium (Cd), which was reported to be a bladder carcinogen in humans and is a constituent of coal, the aim of this study was to determine urinary Cd levels in active and retired hard coal miners and assess whether hard coal miners demonstrated elevated metal levels...
July 11, 2017: Journal of Toxicology and Environmental Health. Part A
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