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miRNA Bladder

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https://www.readbyqxmd.com/read/29226853/clinical-and-rna-expression-integrated-signature-for-urothelial-bladder-cancer-prognosis
#1
Jie Xiong, Ke Xiong, Zhitong Bing
BACKGROUND: Accumulating evidence shows that clinical factors alone are not adequate for predicting the survival of patients with urothelial bladder cancer (UBC), and many genes have been found to be associated with UBC prognosis. PURPOSE: The objective of this study is to develop a signature which integrates clinical and molecular information to predict the overall survival of UBC patients more accurate. MATERIALS AND METHODS: We integrated messenger RNA (mRNA) and microRNA (miRNA) expression profiles and the corresponding clinical data of 402 UBC patients and 19 normal controls from The Cancer Genome Atlas...
November 25, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29200870/identification-of-hub-mirna-biomarkers-for-bladder-cancer-by-weighted-gene-coexpression-network-analysis
#2
Feng Zhao, Yu-Zheng Ge, Liu-Hua Zhou, Lu-Wei Xu, Zheng Xu, Wen-Wen Ping, Min Wang, Chang-Cheng Zhou, Ran Wu, Rui-Peng Jia
Bladder cancer (BC) is a common urinary system tumor with high aggressiveness, and it results in relatively high mortality due to a lack of precise and suitable biomarkers. In this study, we applied the weighted gene coexpression network analysis method to miRNA expression data from BC patients, and screened for network modules associated with BC progression. Hub miRNAs were selected, followed by functional enrichment analyses of their target genes for the most closely related module. These hub miRNAs were found to be involved in several functional pathways including pathway in cancer, regulation of actin cytoskeleton, PI3K-Akt signaling pathway, mitogen-activated protein kinase (MAPK) signaling pathway, Wnt signaling pathway, proteoglycans in cancer, focal adhesion and p53 signaling pathway via regulating target genes...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29200659/electrochemical-detection-of-urinary-micrornas-via-sulfonamide-bound-antisense-hybridisation
#3
Daniel A Smith, Lucy J Newbury, Guido Drago, Timothy Bowen, James E Redman
Altered serum and plasma microRNA (miRNA) expression profiles have been observed in numerous human diseases, with a number of studies describing circulating miRNA biomarkers for cancer diagnosis, prognosis and response to treatment, and recruitment to clinical trials for miRNA-based drug therapy already underway. Electrochemical detection of biomarkers in urine has several significant advantages over circulating biomarker analysis including safety, cost, speed and ease of conversion to the point of care environment...
December 2017: Sensors and Actuators. B, Chemical
https://www.readbyqxmd.com/read/29196070/evaluation-of-urinary-dna-methylation-as-a-marker-for-recurrent-bladder-cancer-a-two-center-prospective-study
#4
Tetsuya Shindo, Takashi Shimizu, Masanori Nojima, Takeshi Niinuma, Reo Maruyama, Hiroshi Kitajima, Masahiro Kai, Naoki Itoh, Hiromu Suzuki, Naoya Masumori
OBJECTIVE: To clarify the clinical utility of urinary DNA methylation for detection of intravesical recurrence of non-muscle invasive BCa (NMIBC), we performed a 2 center prospective study. PATIENTS AND METHODS: A series of 207 self-voided urine samples were prospectively collected from 132 NMIBC patients who had undergone transurethral resection of BCa. Methylation of miRNA genes (miR-9-3, miR-124-2, miR-124-3 and miR-137) was analyzed using bisulfite pyrosequencing...
November 28, 2017: Urology
https://www.readbyqxmd.com/read/29143172/identification-of-key-genes-and-construction-of-microrna-mrna-regulatory-networks-in-bladder-smooth-muscle-cell-response-to-mechanical-stimuli-using-microarray-expression-profiles-and-bioinformatics-analysis
#5
Liao Peng, De-Yi Luo
PURPOSE: To identify keys genes and elucidate miRNA-mRNA regulatory networks in Bladder smooth muscle cell (BSMC) response to mechanical stimuli. METHODS: Human BSMCs, seeded on a silicone membrane, were subjected to mechanical stretch or without stretch. Microarray was used to analyze the differential expression of mRNAs and miRNAs between human BSMCs under mechanical stretch and control static control group. Differentially expressed genes(DEGs) and miRNAs (DEMs) in these two groups were identified...
November 15, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/29141625/microrna-profiling-of-dogs-with-transitional-cell-carcinoma-of-the-bladder-using-blood-and-urine-samples
#6
Michael S Kent, Allison Zwingenberger, Jodi L Westropp, Laura E Barrett, Blythe P Durbin-Johnson, Paramita Ghosh, Ruth L Vinall
BACKGROUND: Early signs of canine transitional cell carcinoma (TCC) are frequently assumed to be caused by other lower urinary tract diseases (LUTD) such as urinary tract infections, resulting in late diagnosis of TCC which could be fatal. The development of a non-invasive clinical test for TCC could dramatically reduce mortality. To determine whether microRNAs (miRNAs) can be used as non-invasive diagnostic biomarkers, we assessed miRNA expression in blood and/or urine from dogs with clinically normal bladders (n = 28), LUTD (n = 25), and TCC (n = 17)...
November 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29131138/impact-of-altered-wnt2b-expression-on-bladder-wall-fibroblasts-implications-for-apoptosis-regulation-in-the-stroma-of-the-lower-urinary-tract
#7
Thomas Stefan Worst, Kristina Daskalova, Annette Steidler, Karin Berner-Leischner, Ralph Röth, Beate Niesler, Maximilian C Kriegmair, Philipp Erben, Daniel Pfalzgraf
BACKGROUND: Little is known about the role of WNT signalling in pathological processes involving the urinary tract stroma. Here the impact of WNT signalling on bladder wall fibroblasts (BWFs) was studied using integrated expression profiling. MATERIAL AND METHODS: WNT ligand and downstream WNT pathway component expression was profiled in human BWFs using qRT-PCR. Highly expressed WNT2B was knocked down using siRNA in BWFs. The expression of 730 mRNAs and 800 miRNAs was analyzed on the nCounter MAX platform in #WNT2B and control transfected BWFs...
October 31, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/29130995/lncrna-uca1-promotes-mitochondrial-function-of-bladder-cancer-via-the-mir-195-arl2-signaling-pathway
#8
Hui-Jin Li, Xiao-Min Sun, Zheng-Kun Li, Qian-Wen Yin, Huan Pang, Jing-Jing Pan, Xu Li, Wei Chen
BACKGROUND/AIMS: This study aims to identify whether Urothelial Cancer Associated 1 (UCA1) regulates mitochondrial metabolic reprogramming in bladder cancer, and to explore how UCA1 participates in mitochondrial metabolism by the UCA1/miR-195/ARL2 signaling pathway; these findings may be aid in the development of tumor diagnostic and therapeutic strategies. METHODS: Bladder tissues were obtained from patients. Stable cell lines were constructed, with ectopic expression of UCA1 in UMUC2 cells and knockdown of UCA1 in 5637 cells...
November 1, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29050224/secreted-mir-210-3p-as-non-invasive-biomarker-in-clear-cell-renal-cell-carcinoma
#9
Vincenzo Petrozza, Antonio Luigi Pastore, Giovanni Palleschi, Claudia Tito, Natale Porta, Serena Ricci, Chiara Marigliano, Manuela Costantini, Giuseppe Simone, Angelina Di Carlo, Michele Gallucci, Antonio Carbone, Francesco Fazi
The most common subtype of renal cell carcinoma (RCC) is clear cell RCC (ccRCC). It accounts for 70-80% of all renal malignancies representing the third most common urological cancer after prostate and bladder cancer. The identification of non-invasive biomarkers for the diagnosis and responsiveness to therapy of ccRCC may represent a relevant step-forward in ccRCC management. The aim of this study is to evaluate whether specific miRNAs deregulated in ccRCC tissues present altered levels also in urine specimens...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029427/environment-and-bladder-cancer-molecular-analysis-by-interaction-networks
#10
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...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28990088/identification-and-bioinformatics-analysis-of-mirnas-associated-with-human-muscle-invasive-bladder-cancer
#11
Liang Chen, Lushun Yuan, Gang Wang, Rui Cao, Jianping Peng, Bo Shu, Guofeng Qian, Xinghuan Wang, Yu Xiao
Accumulated evidence has indicated that micro (mi)RNAs play vital roles in the occurrence and development of human muscle invasive bladder cancer (MIBC), however, little is known about the miRNAs' regulatory networks. In the present study, the authors aimed to use bioinformatics analysis to identify the key miRNAs and potential target genes, as well as studying the underlying mechanisms for MIBC. They collected several human MIBC tissues to generate a miRNA expression analysis by microarray analysis comparing with normal bladder tissues, identifying 104 differentially expressed miRNAs (102 were downregulated and 2 were upregulated) and predicted 11,884 putative target genes of the dysregulated miRNAs...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28988769/comprehensive-molecular-characterization-of-muscle-invasive-bladder-cancer
#12
A Gordon Robertson, Jaegil Kim, Hikmat Al-Ahmadie, Joaquim Bellmunt, Guangwu Guo, Andrew D Cherniack, Toshinori Hinoue, Peter W Laird, Katherine A Hoadley, Rehan Akbani, Mauro A A Castro, Ewan A Gibb, Rupa S Kanchi, Dmitry A Gordenin, Sachet A Shukla, Francisco Sanchez-Vega, Donna E Hansel, Bogdan A Czerniak, Victor E Reuter, Xiaoping Su, Benilton de Sa Carvalho, Vinicius S Chagas, Karen L Mungall, Sara Sadeghi, Chandra Sekhar Pedamallu, Yiling Lu, Leszek J Klimczak, Jiexin Zhang, Caleb Choo, Akinyemi I Ojesina, Susan Bullman, Kristen M Leraas, Tara M Lichtenberg, Catherine J Wu, Nicholaus Schultz, Gad Getz, Matthew Meyerson, Gordon B Mills, David J McConkey, John N Weinstein, David J Kwiatkowski, Seth P Lerner
We report a comprehensive analysis of 412 muscle-invasive bladder cancers characterized by multiple TCGA analytical platforms. Fifty-eight genes were significantly mutated, and the overall mutational load was associated with APOBEC-signature mutagenesis. Clustering by mutation signature identified a high-mutation subset with 75% 5-year survival. mRNA expression clustering refined prior clustering analyses and identified a poor-survival "neuronal" subtype in which the majority of tumors lacked small cell or neuroendocrine histology...
October 19, 2017: Cell
https://www.readbyqxmd.com/read/28977982/pooling-analysis-for-diagnostic-and-prognostic-value-of-mirna-100-in-various-cancers
#13
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...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28966690/microrna-186-regulates-the-invasion-and-metastasis-of-bladder-cancer-via-vascular-endothelial-growth-factor-c
#14
Xuefeng He, Jigen Ping, Duangai Wen
The present study aimed to investigate the expression of microRNA (miRNA or miR)-186 in tumor tissue, blood and urine from patients with bladder cancer. The mechanism by which miR-186 regulates the invasion and metastasis of bladder cancer was also assessed. A total of 76 patients who underwent surgical resection of bladder cancer tissues between August 2012 and January 2016 were included in the present study. Blood and urine samples were also collected from the 76 patients and another 66 healthy subjects. Expression of vascular endothelial growth factor C (VEGF-C) mRNA and miR-186 was measured using reverse transcription-quantitative polymerase chain reaction...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28938555/exosomes-of-invasive-urothelial-carcinoma-cells-are-characterized-by-a-specific-mirna-expression-signature
#15
Sophie Baumgart, Sebastian Hölters, Carsten-Henning Ohlmann, Rainer Bohle, Michael Stöckle, Marie Stampe Ostenfeld, Lars Dyrskjøt, Kerstin Junker, Joana Heinzelmann
Muscle-invasive bladder cancer (MIBC) represents a highly aggressive tumor type compared to non-muscle-invasive tumors. MIBC is characterized by specific molecular alterations, which may also modulate extracellular tumorigenic effects. Tumor-associated exosomes, especially exosomal miRNAs, are important regulators in the interaction between tumor cells and tumor microenvironment by affecting tumor-promoting processes in target cells. It is important to analyze whether their exosomal patterns also reflect the specific molecular characteristics of MIBC...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28928837/independent-prognostic-mirnas-for-bladder-urothelial-carcinoma
#16
Yingbo Hu, Cheng Cheng, Zhengdong Hong, Ziming Shi
Bladder cancer is the most common malignant tumor of the urinary system, and it is also an important cause of death by cancer globally. Increasing number of studies have shown that miRNAs can be used as prognostic markers for cancers. This study made use of the data available in the Cancer Genome Atlas in order to statistically analyze reported expression levels of miRNAs in samples from bladder urothelial carcinoma patients. Clinical features from a total of 399 patients and the expression data for 1,581 kinds of miRNA were included in the study...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28885452/microrna-mediated-downregulation-of-potassium-chloride-cotransporter-and-vesicular-%C3%AE-aminobutyric-acid-transporter-expression-in-spinal-cord-contributes-to-neonatal-cystitis-induced-visceral-pain-in-rats
#17
Jian Zhang, James Yu, Pradeep Kannampalli, Linghui Nie, Hui Meng, Bidyut K Medda, Reza Shaker, Jyoti N Sengupta, Banani Banerjee
Loss of GABAergic inhibition in pain pathways has been considered to be a key component in the development of chronic pain. In the present study, we intended to examine whether miR-92b-mediated posttranscriptional dysregulation of spinal potassium chloride cotransporter (KCC2) and vesicular γ-aminobutyric acid transporter (VGAT) plays a major role in the development and maintenance of long-term visceral hyperalgesia in neonatal zymosan-treated rats. Neonatal cystitis was induced by transurethral zymosan administration from postnatal (P) days 14 to 16 (protocol 1)...
December 2017: Pain
https://www.readbyqxmd.com/read/28879675/mir-199a-3p-and-mir-214-3p-improve-the-overall-survival-prediction-of-muscle-invasive-bladder-cancer-patients-after-radical-cystectomy
#18
Thorsten H Ecke, Katja Stier, Sabine Weickmann, Zhongwei Zhao, Laura Buckendahl, Carsten Stephan, Ergin Kilic, Klaus Jung
To improve the clinical decision-making regarding further treatment management and follow-up scheduling for patients with muscle-invasive bladder cancer (MIBC) after radical cystectomy (RC), a better prediction accuracy of prognosis for these patients is urgently needed. The objective of this study was to evaluate the validity of differentially expressed microRNAs (miRNAs) based on a previous study as prognostic markers for overall survival (OS) after RC in models combined with clinicopathological data. The expression of six miRNAs (miR-100-5p, miR-130b-3p, miR-141-3p, miR-199a-3p, miR-205-5p, and miR-214-3p) was measured by RT-qPCR in formalin-fixed, paraffin-embedded tissue samples from 156 MIBC patients who received RC in three urological centers...
October 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28869948/the-long-non-coding-rna-xist-interacted-with-mir-124-to-modulate-bladder-cancer-growth-invasion-and-migration-by-targeting-androgen-receptor-ar
#19
Yaoyao Xiong, Long Wang, Yuan Li, Minfeng Chen, Wei He, Lin Qi
BACKGROUNDS/AIMS: Long non-coding RNA (lncRNA) X-inactive specific transcript (XIST) is involved in the progression of several tumors. The interaction between lncRNA and miRNA or miRNA's target genes is reported to play crucial roles in malignancy. In addition, Androgen receptor (AR) is considered to be involved in bladder cancer progression. In this study, we investigated the role of XIST in human bladder cancer and its interaction with miR-124 and AR. METHODS: XIST and AR expression was detected in bladder tumor samples and cell lines...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28837140/met-smad3-snail-circuit-mediated-by-mir-323a-3p-is-involved-in-regulating-epithelial-mesenchymal-transition-progression-in-bladder-cancer
#20
Jiangfeng Li, Xin Xu, Shuai Meng, Zhen Liang, Xiao Wang, Mingjie Xu, Song Wang, Shiqi Li, Yi Zhu, Bo Xie, Yiwei Lin, Xiangyi Zheng, Ben Liu, Liping Xie
Bladder cancer (BCa) is the one of the most common cancers with high incidence, occurrence and low 5-year survival rate. Emerging evidence indicates that DLK1-DIO3 genomic region especially the miRNA cluster in this region is involved in several pathologic processes and various cancers, and miR-323a-3p is a member of this miRNA cluster. In this study, we investigate the function and regulatory network of miR-323a-3p in BCa. miR-323a-3p is frequently downregulated in BCa tissues and three cell lines compared with adjacent non-tumorous tissues and bladder normal cell line (SV-HUC-1)...
August 24, 2017: Cell Death & Disease
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