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https://www.readbyqxmd.com/read/28639203/development-of-therapeutic-dsp21-322-for-cancer-treatment
#1
Moo Rim Kang, Gongcheng Li, Tiejun Pan, Jin-Chun Xing, Long-Cheng Li
Small activating RNAs (saRNAs) are a class of artificially designed short duplex RNAs targeted at the promoter of a particular gene to upregulate its expression via a mechanism known as RNA activation (RNAa) and hold great promise for treating a wide variety of diseases including those undruggable by conventional therapies. The therapeutic benefits of saRNAs have been demonstrated in a number of preclinical studies carried out in different disease models including cancer. With many tumor suppressor genes (TSGs) downregulated due to either epigenetic mechanisms or haploinsufficiency resulting from deletion/mutation, cancer is an ideal disease space for saRNA therapeutics which can restore the expression of TSGs via epigenetic reprogramming...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28601352/comprehensive-genomic-characterization-of-upper-tract-urothelial-carcinoma
#2
Tyler J Moss, Yuan Qi, Liu Xi, Bo Peng, Tae-Beom Kim, Nader E Ezzedine, Maribel E Mosqueda, Charles C Guo, Bogdan A Czerniak, Michael Ittmann, David A Wheeler, Seth P Lerner, Surena F Matin
BACKGROUND: Upper urinary tract urothelial cancer (UTUC) may have unique etiologic and genomic factors compared to bladder cancer. OBJECTIVE: To characterize the genomic landscape of UTUC and provide insights into its biology using comprehensive integrated genomic analyses. DESIGN, SETTING, AND PARTICIPANTS: We collected 31 untreated snap-frozen UTUC samples from two institutions and carried out whole-exome sequencing (WES) of DNA, RNA sequencing (RNAseq), and protein analysis...
June 7, 2017: European Urology
https://www.readbyqxmd.com/read/28600700/co-occurrence-of-lynch-syndrome-and-juvenile-polyposis-syndrome-confirmed-by-multigene-panel-testing
#3
Rachel Silva-Smith, Daniel A Sussman
Through germline multigene panel testing, we discovered the co-occurrence of Lynch syndrome due to a PMS2 mutation and juvenile polyposis syndrome due to a BMPR1A mutation in a young man with synchronous bladder and colorectal cancers and a family history of colorectal polyps. To our knowledge, this is the first report of an individual having these two hereditary colorectal cancer syndromes. This discovery highlights the benefit of multigene testing over traditional stepwise genetic testing, particularly when a clinical presentation suggests more than one underlying genetic cause...
June 9, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28600503/transcriptome-sequencing-identifies-anln-as-a-promising-prognostic-biomarker-in-bladder-urothelial-carcinoma
#4
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/28596510/mex3a-expression-and-survival-analysis-of-bladder-urothelial-carcinoma
#5
Jing-Wen Shi, Ying Huang
OBJECTIVE: Bladder urothelial carcinoma is a common tumor in humans and a multifactorial disease. The gene mex3a is associated with tumor formation and may promote cell proliferation and migration. Therefore, this study aimed to determine the relationship between mex3a and bladder urothelial carcinoma. METHODS: The clinical and RNA sequencing expression data in patients with bladder urothelial carcinoma were downloaded from the The Cancer Genome Atlas data portal...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28591741/identification-of-hmex-3a-and-its-effect-on-human-bladder-cancer-cell-proliferation
#6
Ying Huang, Chao Fang, Jing-Wen Shi, Yu Wen, Da Liu
In this study, hMex-3A was selected from TCGA database as a research object to observe the effects of small interfering RNA (siRNA) targeting hMex-3A on the biological activities of human bladder cancer and explore its mechanism for the first time. In this study, there were 2 groups including negative control group and hMex-3A-siRNA-transfected cells group for 5637 and T24 cell lines, respectively. After bladder cancer cells were transfected with the interference RNA sequence, proliferation of transfected cells were assessed by Celigo Cell Counting, and apoptosis were detected by flow cytometry...
May 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28583311/next-generation-sequencing-of-nonmuscle-invasive-bladder-cancer-reveals-potential-biomarkers-and-rational-therapeutic-targets
#7
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/28549468/microrna-608-inhibits-proliferation-of-bladder-cancer-via-akt-foxo3a-signaling-pathway
#8
Zhen Liang, Xiao Wang, Xin Xu, Bo Xie, Alin Ji, Shuai Meng, Shiqi Li, Yi Zhu, Jian Wu, Zhenghui Hu, Yiwei Lin, Xiangyi Zheng, Liping Xie, Ben Liu
BACKGROUND: Current evidence indicates that miR-608 is widely down-regulated in various malignant tumors including liver cancer, colon cancer, lung cancer and glioma, and acts as a tumor suppressor by inhibiting cell proliferation, invasion and migration or by promoting apoptosis. The specific biological function of miR-608 in bladder cancer is still unknown. METHODS: qRT-PCR and Chromogenic in Situ Hybridization (CISH) was conducted to assess the expression of miR-608 in paired BCa tissues and adjacent non-tumor bladder urothelial tissues...
May 26, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28548125/next-generation-sequencing-based-molecular-characterization-of-primary-urinary-bladder-adenocarcinoma
#9
Somak Roy, Dinesh Pradhan, Wayne L Ernst, Stephanie Mercurio, Yana Najjar, Rahul Parikh, Anil V Parwani, Reetesh K Pai, Rajiv Dhir, Marina N Nikiforova
Primary bladder adenocarcinoma is a rare and aggressive tumor with poor clinical outcomes and no standard of care therapy. Molecular biology of this tumor is unknown due to the lack of comprehensive molecular profiling studies. The study aimed to identify genomic alterations of clinical and therapeutic significance using next-generation sequencing and compare genomic profile of primary bladder adenocarcinoma with that of high-grade urothelial carcinoma and colorectal adenocarcinoma. A cohort of 15 well-characterized primary bladder adenocarcinoma was subjected to targeted next-generation sequencing for the identification of mutations and copy-number changes in 51 cancer-related genes...
May 26, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28540249/liquid-biopsies-for-bladder-cancer
#10
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/28540176/the-effect-of-8-oh-dpat-and-dapoxetine-on-gene-expression-in-the-brain-of-male-rats-during-ejaculation
#11
Xijun Qin, Xiaojun Ma, Dongping Tu, Zuliang Luo, Jie Huang, Changming Mo
The 5-HT1A receptor agonist 8-hydroxy-2-[di-n-propylamino] tetralin (8-OH-DPAT) promotes ejaculation of male rats, whereas dapoxetine delays this process. However, the gene expression profile of the brain at ejaculation following administrationof these two compounds has not been fully elucidated. In the present study, a transcriptomic BodyMap was generated by conducting mRNA-Seq on brain samples of male Sprague-Dawley rats. The study included four groups: pre-copulatory control (CK) group, ejaculation (EJ) group, 0...
May 2017: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/28524002/mirna-expression-in-bladder-cancer-and-their-potential-role-in-clinical-practice
#12
Ana Blanca, Liang Cheng, Rodolfo Montironi, Holger Moch, Francesco Massari, Michelangelo Fiorentino, Maria Rosaria Raspollini, Marina Scarpelli, Antonio Lopez-Beltran
To date more than 3000 miRNA sequences have been described in humans and reg¬istered at miRBase since their discovery. However, the functions of only a few of these miRNAs have been experimentally determined using deep sequencing technology. Aberrant miRNA expression has been associated with differentiation, invasion and metastasis in several cancers. In this context, recent reports have suggested that miRNAs play important roles in the regulation of target genes by binding to complementary regions of messenger transcripts to repress their translation or regulate degradation...
May 18, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28487492/sequencing-of-cancer-cell-subpopulations-identifies-micrometastases-in-a-bladder-cancer-patient
#13
Kris Prado, Kelvin X Zhang, Matteo Pellegrini, Arnold I Chin
PURPOSE: Pathologic staging of bladder cancer patients remains a challenge. Standard-of-care histology exhibits limited sensitivity in detection of micrometastases, which can increase risk of cancer progression and delay potential adjuvant therapies. Here, we sought to develop a proof of concept novel molecular approach to improve detection of cancer micrometastasis. EXPERIMENTAL DESIGN: We combined fluorescence activated cell sorting and next-generation sequencing and performed whole-exome sequencing of total cancer cells and cancer cell subpopulations in multiple tumor specimens and regional lymph nodes in a single patient with muscle-invasive urothelial carcinoma of the bladder following radical cystectomy...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28456080/radiosynthesis-and-biological-evaluation-of-n-2-18-f-fluoropropionyl-3-4-dihydroxy-l-phenylalanine-as-a-pet-tracer-for-oncologic-imaging
#14
Caihua Tang, Dahong Nie, Ganghua Tang, Siyuan Gao, Shaoyu Liu, Fuhua Wen, Xiaolan Tang
INTRODUCTION: Several (11)C and (18)F labeled 3,4-dihydroxy-l-phenylalanine (l-DOPA) analogues have been used for neurologic and oncologic diseases, especially for brain tumors and neuroendocrine tumors PET imaging. However, (18)F-labeled N-substituted l-DOPA analogues have not been reported so far. In the current study, radiosynthesis and biological evaluation of a new (18)F-labeled l-DOPA analogue, N-(2-[(18)F]fluoropropionyl)-3,4-dihydroxy-l-phenylalanine ([(18)F]FPDOPA) for tumor PET imaging are performed...
April 7, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28455960/a-to-i-rna-editing-of-blcap-lost-the-inhibition-to-stat3-activation-in-cervical-cancer
#15
Wen Chen, Wenrong He, Hongbing Cai, Bicheng Hu, Caishang Zheng, Xianliang Ke, Li Xie, Zhenhua Zheng, Xinxing Wu, Hanzhong Wang
Bladder cancer-associated protein (BLCAP) gene is a highly conserved gene with tumor-suppressor function in different carcinomas. It is also a novel ADAR-mediated editing substrate undergoes multiple A-to-I RNA editing events. Although the anti-tumorigenic role of BLCAP has been examined in preliminarily studies, the relationship between BLCAP function and A-to-I RNA editing in cervical carcinogenesis still require further exploration. Herein, we analyzed the coding sequence of BLCAP transcripts in 35 paired cervical cancer samples using high-throughput sequencing...
June 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429075/toward-personalized-management-in-bladder-cancer-the-promise-of-novel-molecular-taxonomy
#16
REVIEW
Marie-Lisa Eich, Lars Dyrskjøt, George J Netto
Empowered by the recent advances in next generation sequencing and bioinformatics technology, an unprecedented wave of integrated transcriptomic and genomic studies have impacted the field of bladder cancer. These studies not only have confirmed previously charted genetic pathways in bladder cancer development but also have led to the discovery of numerous additional crucial driver genetic alterations. As a result, a novel genomic-based taxonomy is emerging that promises to better define clinically relevant intrinsic subtypes of bladder cancer...
April 21, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28419548/detection-of-prostate-cancer-specific-transcripts-in-extracellular-vesicles-isolated-from-post-dre-urine
#17
Kathryn L Pellegrini, Dattatraya Patil, Kristen J S Douglas, Grace Lee, Kathryn Wehrmeyer, Mersiha Torlak, Jeremy Clark, Colin S Cooper, Carlos S Moreno, Martin G Sanda
BACKGROUND: The measurement of gene expression in post-digital rectal examination (DRE) urine specimens provides a non-invasive method to determine a patient's risk of prostate cancer. Many currently available assays use whole urine or cell pellets for the analysis of prostate cancer-associated genes, although the use of extracellular vesicles (EVs) has also recently been of interest. We investigated the expression of prostate-, kidney-, and bladder-specific transcripts and known prostate cancer biomarkers in urine EVs...
June 2017: Prostate
https://www.readbyqxmd.com/read/28388561/cell-free-microrna-expression-signatures-in-urine-serve-as-novel-noninvasive-biomarkers-for-diagnosis-and-recurrence-prediction-of-bladder-cancer
#18
Lutao Du, Xiumei Jiang, Weili Duan, Rui Wang, Lishui Wang, Guixi Zheng, Keqiang Yan, Lili Wang, Juan Li, Xin Zhang, Hongwei Pan, Yongmei Yang, Chuanxin Wang
Urinary microRNAs (miRNAs) are potential biomarkers for the noninvasive diagnosis of bladder cancer (BC). In this study, we aimed to develop a urinary miRNAs panel for diagnosing and predicting recurrence of BC. Genome-wide miRNAs analysis by deep sequencing followed by two phases of quantitative real-time PCR assays were performed on urine supernatant of 276 BC patients and 276 controls. We identified a seven-miRNA panel (miR-7-5p, miR-22-3p, miR-29a-3p, miR-126-5p, miR-200a-3p, miR-375, and miR-423-5p) that provided high diagnostic accuracy of BC with an AUC of 0...
June 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28386678/identification-of-novel-potential-genetic-predictors-of-urothelial-bladder-carcinoma-susceptibility-in-pakistani-population
#19
Syeda Hafiza Benish Ali, Kashif Sardar Bangash, Abdur Rauf, Muhammad Younis, Khursheed Anwar, Raja Khurram, Muhammad Athar Khawaja, Maleeha Azam, Abid Ali Qureshi, Saeed Akhter, Lambertus A Kiemeney, Raheel Qamar
Urothelial bladder carcinoma (UBC) is the most common among urinary bladder neoplasms. We carried out a preliminary study to determine the genetic etiology of UBC in Pakistani population, for this 25 sequence variants from 17 candidate genes were studied in 400 individuals by using polymerase chain reaction-based techniques. Multivariate logistic regression analysis was performed for association analysis of the overall data as well as the data stratified by smoking status, tumor grade and tumor stage. Variants of GSTM1, IGFBP3, LEPR and ACE were found to be associated with altered UBC risk in the overall comparison...
April 6, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28357911/advances-in-urothelial-bladder-cancer-immunotherapy-dawn-of-a-new-age-of-treatment
#20
REVIEW
Fouad Aoun, Elie El Rassy, Tarek Assi, Simone Albisinni, Joseph Katan
Urothelial bladder cancer displays a high number of somatic mutations that render these tumors more responsive to immunotherapy. Several immunotherapeutic agents were examined in patients with advanced stage urothelial bladder cancer and recently atezolizumab - an (PDL-1) immune checkpoint inhibitor antibody - was approved for the treatment of patients with metastatic disease progressing after platinum combination therapy. Despite the great success, there are still some unanswered questions and ongoing trials that are in progress to define the role of combination therapy and sequencing strategies...
March 2017: Immunotherapy
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