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https://www.readbyqxmd.com/read/28094332/bladder-cancer-genetic-urinary-biomarker-panel-is-promising
#1
Louise Stone
No abstract text is available yet for this article.
January 17, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28078238/liquid-biopsies-in-bladder-cancer-did-we-find-the-holy-grail-for-biomarker-analyses
#2
EDITORIAL
Michael Rink, Shahrokh F Shariat, Armin Soave
No abstract text is available yet for this article.
December 2016: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28068467/exodisc-for-rapid-size-selective-and-efficient-isolation-and-analysis-of-nanoscale-extracellular-vesicles-from-biological-samples
#3
Hyun-Kyung Woo, Vijaya Sunkara, Juhee Park, Tae-Hyeong Kim, Ja-Ryoung Han, Chi-Ju Kim, Hyun-Il Choi, Yoon-Keun Kim, Yoon-Kyoung Cho
Extracellular vesicles (EVs) are cell-derived, nanoscale vesicles that carry nucleic acids and proteins from their cells of origin and show great potential as biomarkers for many diseases, including cancer. Efficient isolation and detection methods are prerequisites for exploiting their use in clinical settings and understanding their physiological functions. Here, we presented a rapid, label-free, and highly sensitive method for EV isolation and quantification using a lab-on-a-disc integrated with two nanofilters (Exodisc)...
January 17, 2017: ACS Nano
https://www.readbyqxmd.com/read/28066957/overexpression-of-ribonucleotide-reductase-subunit-m1-protein-predicts-shorter-survival-in-metastatic-bladder-cancer-patients-treated-with-gemcitabine-containing-combination-chemotherapy
#4
Nagahide Matsumura, Yasushi Nakamura, Yasuo Kohjimoto, Satoshi Nishizawa, Kazuro Kikkawa, Akinori Iba, Yoshiki Kodama, Isao Hara
OBJECTIVES: To identify biomarkers predicting prognosis in bladder cancer patients undergoing the gemcitabine and cisplatin regimen. METHODS: We studied 52 patients with metastatic bladder cancer treated with the gemcitabine and cisplatin regimen by evaluating the relationship between the expression of two biomarkers, ribonucleotide reductase subunit M1 and excision repair cross complementing 1, by immunohistochemistry and clinical outcomes. RESULTS: The patients with low expression of ribonucleotide reductase subunit M1 showed a higher objective response rate by the gemcitabine and cisplatin regimen than those with high expression of ribonucleotide reductase subunit M1 (80...
January 9, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28064454/hgf-met-in-cancer-progression-and-biomarker-discovery
#5
REVIEW
Kunio Matsumoto, Masataka Umitsu, Dinuka M De Silva, Arpita Roy, Donald P Bottaro
Signaling driven by hepatocyte growth factor (HGF) and MET receptor facilitates conspicuous biological responses such as epithelial cell migration, 3-D morphogenesis, and survival. The dynamic migration and promotion of cell survival induced by MET activation are bases respectively for invasion-metastasis and resistance against targeted drugs in cancers. Recent studies indicated that MET in tumor-derived exosomes facilitates metastatic niche formation and metastasis in malignant melanoma. In lung cancer, gene amplification-induced MET activation and ligand-dependent MET activation in autocrine/paracrine manner are causes for resistance to EGF receptor tyrosine kinase inhibitors and ALK inhibitors...
January 8, 2017: Cancer Science
https://www.readbyqxmd.com/read/28060759/a-potential-prognostic-lncrna-signature-for-predicting-survival-in-patients-with-bladder-urothelial-carcinoma
#6
Zhenyu Bao, Weitao Zhang, Dong Dong
Increasing evidence has highlighted the critical roles of long non-coding RNA (lncRNA) in cancer development and progression. However, the prognostic power of expression-based lncRNA signature for predicting overall survival in patients with Bladder Urothelial Carcinoma (BLCA) has not been investigated. Here, we performed a comprehensive analysis for lncRNA expression profiles and corresponding clinical information of 234 BLCA patients from The Cancer Genome Atlas (TCGA). We established a set of four-lncRNAs that were significantly associated with BLCA patients' survival...
January 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28058098/urinary-bladder-cancer-biomarkers-and-target-therapy-new-era-for-more-attention
#7
REVIEW
Amrallah A Mohammed, Hani El-Tanni, Hani M El-Khatib, Ahmad A Mirza, Abdulrahim A Mirza, Turki H Alturaifi
Currently, bladder cancer (BCa) evaluation depends mainly on traditional clinicopathological parameters encompassing tumor stage and grade, which will not reflect the behavior of the disease. Diverse molecular alterations are responsible for the heterogeneous course. The differences in molecular pathogenesis between non-invasive BCa and invasive BCa have been recognized. Molecular biomarkers are promising to predict progression and survival. The management of advanced BCa remains somewhat primitive in comparison with other more common malignancies...
October 10, 2016: Oncology Reviews
https://www.readbyqxmd.com/read/28049011/fgfr3-tert-and-otx1-as-urinary-biomarker-combination-for-surveillance-of-bladder-cancer-patients-in-a-large-prospective-multicenter-study
#8
Willemien Beukers, Kirstin A van der Keur, Raju Kandimalla, Yvonne Vergouwe, Ewout W Steyerberg, Joost L Boormans, Jorgen B Jensen, José A Lorente, Francisco X Real, Ulrike Segersten, Torben F Orntoft, Nuria Malats, Per-Uno Malmström, Lars Dyrskjot, Ellen C Zwarthoff
PURPOSE: Non-muscle invasive bladder cancer (NMIBC) patients are followed with frequent cystoscopies. In this study FGFR3, TERT and OTX1 are investigated as a diagnostic urinary marker combination during follow-up of patients with primary NMIBC. MATERIAL AND METHODS: In this international multi-center prospective study 977 NMIBC patients were included. Urines (n= 2496) were collected prior to cystoscopy during regular visits. Sensitivity was estimated for detection of concomitant recurrences...
December 31, 2016: Journal of Urology
https://www.readbyqxmd.com/read/28047393/su-f-r-28-correction-of-fch-pet-bladder-uptake-using-virtual-sinograms-and-investigation-of-its-impact-on-the-quantification-of-prostate-textural-characteristics
#9
S Laberge, J Beauregard, L Archambault
PURPOSE: Textural biomarkers as a tool for quantifying intratumoral heterogeneity hold great promise for diagnosis and early assessment of treatment response in prostate cancer. However, spill-in counts from the bladder uptake are suspected to have an impact on the textural measurements of the prostate volume. This work proposes a correction method for the FCh-PET bladder uptake and investigates its impact on intraprostatic textural properties. METHODS: Two patients with PC received pre-treatment dynamic FCh-PET scans reconstructed at four time points (interval: 2 min), for which prostate and bladder contours were obtained...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28035318/circulating-biomarkers-in-bladder-cancer
#10
REVIEW
Lakshminarayanan Nandagopal, Guru Sonpavde
Bladder cancer is a molecularly heterogeneous disease characterized by multiple unmet needs in the realm of diagnosis, clinical staging, monitoring and therapy. There is an urgent need to develop precision medicine for advanced urothelial carcinoma. Given the difficulty of serial analyses of metastatic tumor tissue to identify resistance and new therapeutic targets, development of non-invasive monitoring using circulating molecular biomarkers is critically important. Although the development of circulating biomarkers for the management of bladder cancer is in its infancy and may currently suffer from lower sensitivity of detection, they have inherent advantages owing to non-invasiveness...
October 27, 2016: Bladder Cancer
https://www.readbyqxmd.com/read/28018158/estrogen-catechols-detection-as-biomarkers-in-schistosomiasis-induced-cancer-and-infertility
#11
M C Botelho, H Alves, J Richter
Urogenital schistosomiasis is a chronic infection caused by the human blood fluke Schistosoma haematobium. Schistosomiasis haematobium is a known risk factor for cancer leading to squamous cell carcinoma of the urinary bladder (SCC). This is a neglected tropical disease endemic in many countries of Africa and the Middle East. Schistosome eggs produce catechol-estrogens. These molecules are metabolized to active quinones that cause alterations in DNA (leading in other contexts to breast or thyroid cancer). Our group have shown that schistosome egg associated catechol estrogens induce tumor-like phenotypes in urothelial cells, originated from parasite estrogen-host cell chromosomal DNA adducts and mutations...
2017: Letters in Drug Design & Discovery
https://www.readbyqxmd.com/read/28010124/validation-of-a-protein-panel-for-the-non-invasive-detection-of-recurrent-non-muscle-invasive-bladder-cancer
#12
Selma Gogalic, Ursula Sauer, Sara Doppler, Andreas Heinzel, Paul Perco, Arno Lukas, Guy Simpson, Hardev Pandha, Andras Horvath, Claudia Preininger
CONTEXT: 50-70% of patients with non-muscle invasive bladder cancer (NMIBC) experience relapse of disease. OBJECTIVE: To establish a panel of protein biomarkers incorporated in a multiplexed microarray (BCa chip) and a classifier for diagnosing recurrent NMIBC. MATERIALS AND METHODS: Urine samples from 45 patients were tested. Diagnostic performance was evaluated by receiver operating characteristic (ROC) analysis. RESULTS: A multi biomarker panel (ECadh, IL8, MMP9, EN2, VEGF, past recurrences, BCG therapies, stage at diagnosis) was identified yielding an area under the curve of 0...
December 23, 2016: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28005163/intratumoral-th2-predisposition-combines-with-an-increased-th1-functional-phenotype-in-clinical-response-to-intravesical-bcg-in-bladder-cancer
#13
Renate Pichler, Georg Gruenbacher, Zoran Culig, Andrea Brunner, Dietmar Fuchs, Josef Fritz, Hubert Gander, Andrea Rahm, Martin Thurnher
Th1-type immunity is considered to be required for efficient response to BCG in bladder cancer, although Th2 predisposition of BCG responders has recently been reported. The aim was to evaluate the relationship of Th1 and Th2 components in 23 patients undergoing BCG treatment. Peripheral blood, serum and urine samples were prospectively collected at baseline, during and after BCG. Th1 (neopterin, tryptophan, kynurenine, kynurenine-to-tryptophan ratio (KTR), IL-12, IFN-γ, soluble TNF-R75 and IL-2Rα) and Th2 (IL-4, IL-10) biomarkers as well as CD4 expression in T helper (Th), effector and regulatory T cells were determined...
December 22, 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/27983522/different-expression-patterns-of-histone-h3k27-demethylases-in-renal-cell-carcinoma-and-bladder-cancer
#14
Zehui Hong, Hui Li, Lili Li, Weilong Wang, Ting Xu
OBJECTIVE: UTX and JMJD3 are recently identified histone H3 lysine 27 (H3K27) demethylases. Many studies have shown aberrant H3K27 trimethylation (H3K27me3) levels widely exist in multiple cancers, and that altered H3K27me3 levels are correlated with tumorigenesis and tumor progression. To investigate expression patterns of UTX and JMJD3 genes in renal cell carcinoma (RCC) and bladder cancer and the relationship between gene expression and tumor development. MATERIAL AND METHODS: Samples were collected from 35 patients with RCC and 21 patients with bladder cancer and qRT-PCR was performed...
December 9, 2016: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/27975229/introduction-to-clinical-proteomics
#15
John E Wiktorowicz, Allan R Brasier
Within the context of this section, biomarkers are defined as a panel of proteins and peptides that are predictive of the risk for developing a pathological condition. It is important to note here that the use of the descriptor 'panel' is purposeful in that single "biomarkers" are rarely sufficient to permit accurate prediction of a pathological condition. More specifically, the primary application of a biomarker panel is that it serves as a molecular indicator of the severity of a disease or its early response to treatment...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27973407/comparative-mirna-analysis-of-urine-extracellular-vesicles-isolated-through-five-different-methods
#16
Felix Royo, Izzuddin Diwan, Michael R Tackett, Patricia Zuñiga, Pilar Sanchez-Mosquera, Ana Loizaga-Iriarte, Aitziber Ugalde-Olano, Isabel Lacasa, Amparo Perez, Miguel Unda, Arkaitz Carracedo, Juan M Falcon-Perez
Urine extracellular vesicles are a valuable low-invasive source of information, especially for the cells of the genitourinary tract. In the search for biomarkers, different techniques have been developed to isolate and characterize the cargo of these vesicles. In the present work, we compare five of these different isolation methods (three commercial isolation kits, ultracentrifugation, and lectin-based purification) and perform miRNA profiling using a multiplex miRNA assay. The results showed high correlation through all isolation techniques, and 48 out of 68 miRNAs were detected above the detection limit at least 10 times...
December 10, 2016: Cancers
https://www.readbyqxmd.com/read/27966459/the-transcription-levels-and-prognostic-values-of-seven-proteasome-alpha-subunits-in-human-cancers
#17
Yunhai Li, Jing Huang, Jiazheng Sun, Shili Xiang, Dejuan Yang, Xuedong Ying, Mengqi Lu, Hongzhong Li, Guosheng Ren
Proteasome alpha subunits (PSMAs) have been shown to participate in the malignant progression of human cancers. However, the expression patterns and prognostic values of individual PSMAs remain elusive in most cancers. In the present study, we investigated the mRNA expression levels of seven PSMAs in different kinds of cancers using Oncomine and The Cancer Genome Atlas (TCGA) databases. The prognostic significance of PSMAs was also determined by Kaplan-Meier Plotter and PrognScan databases. Combined with Oncomine and TCGA, the mRNA expression levels of PSMA1-7 were significantly upregulated in breast, lung, gastric, bladder and head and neck cancer compared with normal tissues...
December 10, 2016: Oncotarget
https://www.readbyqxmd.com/read/27959887/increased-micronucleus-frequency-in-peripheral-blood-lymphocytes-predicts-the-risk-of-bladder-cancer
#18
Barbara Pardini, Clara Viberti, Alessio Naccarati, Alessandra Allione, Marco Oderda, Rossana Critelli, Mirko Preto, Andrea Zijno, Giuseppina Cucchiarale, Paolo Gontero, Paolo Vineis, Carlotta Sacerdote, Giuseppe Matullo
BACKGROUND: Bladder cancer (BC) is among the most common malignancies worldwide. The identification of new biomarkers for early BC detection, recurrence/progression is urgently needed. The cytokinesis-block micronucleus assay (CBMN) evaluates chromosome damage in cultured human lymphocytes and micronuclei (MN) provide a convenient and reliable index of both chromosome breakage and loss. METHODS: Chromosomal damage (expressed as frequencies of MN, nucleoplasmic bridges and nuclear buds (NBUD)) was evaluated by CBMN assay in cryopreserved lymphocytes from 158 age/smoking-matched pairs of cases and controls in relation to BC risk, recurrence or progression...
January 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/27959886/crowdsourcing-for-translational-research-analysis-of-biomarker-expression-using-cancer-microarrays
#19
Jonathan Lawson, Rupesh J Robinson-Vyas, Janette P McQuillan, Andy Paterson, Sarah Christie, Matthew Kidza-Griffiths, Leigh-Anne McDuffus, Karwan A Moutasim, Emily C Shaw, Anne E Kiltie, William J Howat, Andrew M Hanby, Gareth J Thomas, Peter Smittenaar
BACKGROUND: Academic pathology suffers from an acute and growing lack of workforce resource. This especially impacts on translational elements of clinical trials, which can require detailed analysis of thousands of tissue samples. We tested whether crowdsourcing - enlisting help from the public - is a sufficiently accurate method to score such samples. METHODS: We developed a novel online interface to train and test lay participants on cancer detection and immunohistochemistry scoring in tissue microarrays...
January 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/27959455/high-expression-of-b23-is-associated-with-tumorigenesis-and-poor-prognosis-in-bladder-urothelial-carcinoma
#20
Haiping Wang, Gangjun Yuan, Bai Zhao, Yakun Zhao, Yu Qiu
B23, a multifunctional nucleolar protein, is overexpressed in numerous cancers and is associated with tumorigenesis. However, the clinical significance and potential role of B23 in bladder urothelial carcinoma remains to be elucidated. The present study observed that the mRNA and protein expression levels of B23 were increased in bladder cancer cells and tissues. The overexpression of B23 contributed to tumorigenesis and was associated with poor prognosis in bladder cancer patients. Silencing of B23 by short hairpin RNA inhibited tumor cell growth and colony formation...
February 2017: Molecular Medicine Reports
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