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https://www.readbyqxmd.com/read/28627442/the-association-of-rs710886-in-lncrna-pcat1-with-bladder-cancer-risk-in-a-chinese-population
#1
Yadi Lin, Yuqiu Ge, Yunyan Wang, Gaoxiang Ma, Xiaowei Wang, Hanting Liu, Meilin Wang, Zhengdong Zhang, Haiyan Chu
OBJECTIVE: The long noncoding RNA PCAT1 is an important gene involved in urinary tumors. In this study, we aimed to explore the association between polymorphisms in PCAT1 and bladder cancer susceptibility. METHODS: A two-stage case-control study was conducted to assess the association between four tagging SNPs (i.e., rs4871771, rs1902432, rs16901904 and rs710886) and bladder cancer risk. Odds ratios (ORs) and their 95% confidence intervals (CIs) were calculated with unconditional univariate and multivariate logistic regression...
June 13, 2017: Gene
https://www.readbyqxmd.com/read/28615531/environment-and-bladder-cancer-molecular-analysis-by-interaction-networks
#2
Andrea Polo, Anna Crispo, Pellegrino Cerino, Luca Falzone, Saverio Candido, Aldo Giudice, Giuseppina De Petro, Gennaro Ciliberto, Maurizio Montella, Alfredo Budillon, Susan Costantini
Bladder cancer (BC) is the 9th most common cancer worldwide, and the 6th most common cancer in men. Its development is linked to chronic inflammation, genetic susceptibility, smoking, occupational exposures and environmental pollutants. Aim of this work was to identify a sub-network of genes/proteins modulated by environmental or arsenic exposure in BC by computational network approaches. Our studies evidenced the presence of HUB nodes both in "BC and environment" and "BC and arsenicals" networks. These HUB nodes resulted to be correlated to circadian genes and targeted by some miRNAs already reported as involved in BC, thus suggesting how they play an important role in BC development due to environmental or arsenic exposure...
May 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/28612601/classification-of-bladder-cancer-patients-via-penalized-linear-discriminant-analysis
#3
Hadi Raeisi Shahraki, Peyman Bemani, Maryam Jalali
Objectives: In order to identify genes with the greatest contribution to bladder cancer, we proposed a sparse model making the best discrimination from other patients. Methods: In a cross-sectional study, 22 genes with a key role in most cancers were considered in 21 bladder cancer patients and 14 participants of the same age (± 3 years) without bladder cancer in Shiraz city, Southern Iran. Real time-PCR was carried out using SYBR Green and for each of the 22 target genes 2-Δct as a quantitative index of gene expression was reported...
May 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28604851/analysis-of-ribonuclease-activity-in-sub-nanoliter-droplets-by-label-free-fluorescence-measurements
#4
Jae-Won Choi, Bala Murali Krishna Vasamsetti, Kyu-Wan Kim, Seung Hwan Seo, Dong-Hun Lee, Soo-Ik Chang, Jaebum Choo, Hak Yong Kim
We report the results of a label-free analysis of ribonuclease activity using droplet-based microfluidics. The ribonucleolytic activity of ribonucleases (RNases) plays a critical role in cellular functions such as development, survival, growth and differentiation. Altered ribonucleolytic activity and/or the expression level of the RNase A family are known to be associated with pancreatic, bladder, ovarian and thyroid cancers among others. For this reason, the RNase A family is a meaningful protein biomarker that can be used in the diagnosis of cancer and as a target for new drug screening...
June 12, 2017: Analyst
https://www.readbyqxmd.com/read/28600503/transcriptome-sequencing-identifies-anln-as-a-promising-prognostic-biomarker-in-bladder-urothelial-carcinoma
#5
Shuxiong Zeng, Xiaowen Yu, Chong Ma, Ruixiang Song, Zhensheng Zhang, Xiaoyuan Zi, Xin Chen, Yang Wang, Yongwei Yu, Junjie Zhao, Rongchao Wei, Yinghao Sun, Chuanliang Xu
The prognosis of bladder urothelial carcinoma (BLCA) varies greatly even for patients with similar pathological characteristics. We conducted transcriptome sequencing on ten pairs of BLCA samples and adjacent normal tissues to identify differentially expressed genes. Anillin (ANLN) was identified as a transcript that was significantly up-regulated in BLCA samples compared with normal tissues. Prognostic power of candidate gene was studied using qRT-PCR and immunohistochemistry on 40 and 209 patients, respectively...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28586118/a-dna-hypermethylation-profile-reveals-new-potential-biomarkers-for-the-evaluation-of-prognosis-in-urothelial-bladder-cancer
#6
Jose I López, Javier C Angulo, Ana Martín, Manuel Sánchez-Chapado, Ana González-Corpas, Begoña Colás, Santiago Ropero
DNA hypermethylation has emerged as a molecular biomarker for the evaluation of cancer diagnosis and prognosis. We define a methylation signature of bladder cancer and evaluate whether this profile assesses prognosis of patients. Genome-wide methylation analysis was performed on 70 tumor and 10 normal bladder samples. Hypermethylation status of 1505 CpGs present in the promoter region of 807 genes was studied. Thirty-three genes were significantly hypermethylated in ≥10% of the tumors. Three clusters of patients were characterized by their DNA methylation profile, one at higher risk of dead of disease (p = 0...
June 6, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
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
#7
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/28583311/next-generation-sequencing-of-nonmuscle-invasive-bladder-cancer-reveals-potential-biomarkers-and-rational-therapeutic-targets
#8
Eugene J Pietzak, Aditya Bagrodia, Eugene K Cha, Esther N Drill, Gopa Iyer, Sumit Isharwal, Irina Ostrovnaya, Priscilla Baez, Qiang Li, Michael F Berger, Ahmet Zehir, Nikolaus Schultz, Jonathan E Rosenberg, Dean F Bajorin, Guido Dalbagni, Hikmat Al-Ahmadie, David B Solit, Bernard H Bochner
BACKGROUND: Molecular characterization of nonmuscle invasive bladder cancer (NMIBC) may provide a biologic rationale for treatment response and novel therapeutic strategies. OBJECTIVE: To identify genetic alterations with potential clinical implications in NMIBC. DESIGN, SETTING, AND PARTICIPANTS: Pretreatment index tumors and matched germline DNA from 105 patients with NMIBC on a prospective Institutional Review Board-approved protocol underwent targeted exon sequencing analysis in a Clinical Laboratory Improvement Amendments-certified clinical laboratory...
June 2, 2017: European Urology
https://www.readbyqxmd.com/read/28578683/preoperative-prognostic-nutritional-index-is-a-significant-predictor-of-survival-with-bladder-cancer-after-radical-cystectomy-a-retrospective-study
#9
Ding Peng, Yan-Qing Gong, Han Hao, Zhi-Song He, Xue-Song Li, Cui-Jian Zhang, Li-Qun Zhou
BACKGROUND: To explore the prognostic significance of preoperative prognostic nutritional index (PNI) in bladder cancer after radical cystectomy and compare the prognostic ability of inflammation-based indices. METHODS: We retrospectively analyzed data for 516 patients with bladder cancer who underwent radical cystectomy in our institution between 2006 to 2012. Clinicopathologic characteristics and inflammation-based indices (PNI, neutrophil/lymphocyte ratio [NLR], platelet/lymphocyte ratio [PLR], lymphocyte/monocyte ratio [LMR]) were evaluated by pre-treatment measurements...
June 2, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28574830/increased-expression-of-long-non-coding-rna-ccepr-is-associated-with-poor-prognosis-and-promotes-tumorigenesis-in-urothelial-bladder-carcinoma
#10
Yonghao Zhan, Yifan Li, Bao Guan, Xiaoying Chen, Zhicong Chen, Anbang He, Shiming He, Yanqing Gong, Ding Peng, Yuchen Liu, Zhiming Cai, Xuesong Li, Liqun Zhou
Recent emerging evidences have showed that long non-coding RNAs play important regulatory roles in diverse biological processes of tumor development and progression. CCEPR (cervical carcinoma expressed PCNA regulatory lncRNA) is a novel identified lncRNA that acts as a potential biomarker and involves in development and progression of cervical carcinoma. Nevertheless, we know nothing about the clinical significance and molecular mechanism of CCEPR in bladder cancer. In this study, we found that CCEPR was significantly up-regulated in bladder cancer...
May 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28574613/senp2-suppresses-epithelial-mesenchymal-transition-of-bladder-cancer-cells-through-desumoylation-of-tgf-%C3%AE-ri
#11
Mingyue Tan, Dingguo Zhang, Encheng Zhang, Dongliang Xu, Zhihong Liu, Jianxin Qiu, Yu Fan, Bing Shen
SUMO-specific protease 2 (SENP2) is a deSUMOylation protease that plays an important role in the regulation of transforming growth factor-β (TGF-β) signaling. Aberrant TGF-β signaling is common in human cancers and contributes to tumor metastasis by inducing an epithelial-mesenchymal transition (EMT). In previous studies, we demonstrated that SENP2 suppresses bladder cancer cell migration and invasion. However, little is known about whether SENP2 inhibits EMT by regulating TGF-β signaling in bladder cancer progression...
June 2, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28548946/prognostic-role-of-lncrna-tug1-for-cancer-outcome-evidence-from-840-cancer-patients
#12
Jia Liu, Jieru Lin, Yingqi Li, Yunyuan Zhang, Xian Chen
LncRNA TUG1 has been demonstrated to be aberrantly expressed in several types of cancer and maybe serve as a prognostic marker for cancer patients. However, most individual studies have been limited by small sample sizes and controversial results. Therefore, this meta analysis was conducted to analyze available data to delineate the potential clinical application of lncRNA TUG1 on cancer prognosis, lymph node metastasis and tumor progression. Up to February 20, 2017, literature collections were conducted by comprehensive searching electronic databases, including Cochrane Library, PubMed, Embase, BioMed Central, Springer, ScienceDirect, ISI Web of Knowledge, together with three Chinese databases...
May 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28540249/liquid-biopsies-for-bladder-cancer
#13
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/28537880/biological-effects-and-epidemiological-consequences-of-arsenic-exposure-and-reagents-that-can-ameliorate-arsenic-damage-in-vivo
#14
REVIEW
Chinthalapally V Rao, Sanya Pal, Altaf Mohammed, Mudassir Farooqui, Mark P Doescher, Adam S Asch, Hiroshi Y Yamada
Through contaminated diet, water, and other forms of environmental exposure, arsenic affects human health. There are many U.S. and worldwide "hot spots" where the arsenic level in public water exceeds the maximum exposure limit. The biological effects of chronic arsenic exposure include generation of reactive oxygen species (ROS), leading to oxidative stress and DNA damage, epigenetic DNA modification, induction of genomic instability, and inflammation and immunomodulation, all of which can initiate carcinogenesis...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28534535/the-potential-of-organoids-in-urological-cancer-research
#15
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/28533484/insights-from-animal-models-of-bladder-cancer-recent-advances-challenges-and-opportunities
#16
REVIEW
Bincy Anu John, Neveen Said
Bladder cancer (urothelial cancer of the bladder) is the most common malignancy affecting the urinary system with increasing incidence and mortality. Treatment of bladder cancer has not advanced in the past 30 years. Therefore, there is a crucial unmet need for novel therapies, especially for high grade/stage disease that can only be achieved by preclinical model systems that faithfully recapitulate the human disease. Animal models are essential elements in bladder cancer research to comprehensively study the multistep cascades of carcinogenesis, progression and metastasis...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28524004/urinary-biomarkers-for-prostate-cancer
#17
Francesca Giunchi, Chiara Ciccarese, Rodolfo Montironi, Marina Scarpelli, Antonio Lopez-Beltran, Liang Cheng, Holger Moch, Francesco Massari, Michelangelo Fiorentino
Urine may represent a convenient source of biomarkers for the early detection of prostate cancer (PCa) since contains secreted prostatic products and exfoliated tumor cells. Furthermore urine are easy to collect with non-invasive procedures and they are repeatable. Several urinary biomarkers for PCa have been proposed in the past but only one (PCA3) has been approved for clinical use and even this is not widely utilized in the routine practice. Most of these, particularly the proteins, were abandoned due to lack of confirmation...
May 18, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28512267/exploratory-investigation-of-psca-protein-expression-in-primary-breast-cancer-patients-reveals-a-link-to-her2-neu-overexpression
#18
Theresa Link, Friederike Kuithan, Armin Ehninger, Jan Dominik Kuhlmann, Michael Kramer, Andreas Werner, Axel Gatzweiler, Barbara Richter, Gerhard Ehninger, Gustavo Baretton, Michael Bachmann, Pauline Wimberger, Katrin Friedrich
BACKGROUND: Prostate stem cell antigen (PSCA) has been suggested as biomarker and therapeutic target for prostate cancer. Recent advances showed that PSCA is up-regulated in other cancer entities, such as bladder or pancreatic cancer. However, the clinical relevance of PSCA-expression in breast cancer patients has not yet been established and is therefore addressed by the current study. METHODS: PSCA-protein expression was assessed in 405 breast cancer patients, using immunohistochemistry (PSCA antibody MB1) and tissue microarrays...
April 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28507806/preclinical-efficacy-of-immune-checkpoint-monotherapy-does-not-recapitulate-corresponding-biomarkers-based-clinical-predictions-in-glioblastoma
#19
Abhishek D Garg, Lien Vandenberk, Matthias Van Woensel, Jochen Belmans, Marco Schaaf, Louis Boon, Steven De Vleeschouwer, Patrizia Agostinis
Glioblastoma (GBM) is resistant to most multimodal therapies. Clinical success of immune-checkpoint inhibitors (ICIs) has spurred interest in applying ICIs targeting CTLA4, PD1 or IDO1 against GBM. This amplifies the need to ascertain GBM's intrinsic susceptibility (or resistance) toward these ICIs, through clinical biomarkers that may also "guide and prioritize" preclinical testing. Here, we interrogated the TCGA and/or REMBRANDT human patient-cohorts to predict GBM's predisposition toward ICIs. We exploited various broad clinical biomarkers, including mutational or predicted-neoantigen burden, pre-existing or basal levels of tumor-infiltrating T lymphocytes (TILs), differential expression of immune-checkpoints within the tumor and their correlation with particular TILs/Treg-associated functional signature and prognostic impact of differential immune-checkpoint expression...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28504717/fibulin-3-promotes-muscle-invasive-bladder-cancer
#20
A L Han, B A Veeneman, L El-Sawy, K C Day, M L Day, S A Tomlins, E T Keller
Urothelial carcinoma is the most common type of bladder cancer and can be categorized as either non-muscle-invasive (Ta-T1) or muscle-invasive (⩾T2). The majority of bladder cancers are non-muscle-invasive at presentation; however, the recurrence rate for these tumors is high and a subset can progress to T2. In this study, we aimed to identify genes differentially expressed between T1 vs T2 bladder cancer to identify key regulators of bladder cancer progression and/or invasion. We performed RNA-Seq on T1 and T2 bladder cancer tissues and used publicly available bladder cancer profiling studies to prioritize differentially expressed genes for validation and functional assessment...
May 15, 2017: Oncogene
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