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https://www.readbyqxmd.com/read/28212731/hamlet-a-protein-lipid-complex-with-broad-tumoricidal-activity
#1
REVIEW
James C S Ho, Aftab Nadeem, Catharina Svanborg
HAMLET (Human Alpha-lactalbumin Made LEthal to Tumor cells) is a tumoricidal protein-lipid complex with broad effects against cancer cells of different origin. The therapeutic potential is emphasized by a high degree of specificity for tumor tissue. Here we review early studies of HAMLET, in collaboration with the Orrenius laboratory, and some key features of the subsequent development of the HAMLET project. The early studies focused on the apoptotic response that accompanies death in HAMLET treated tumor cells and the role of mitochondria in this process...
January 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28205537/her2-alterations-in-muscle-invasive-bladder-cancer-patient-selection-beyond-protein-expression-for-targeted-therapy
#2
Bernhard Kiss, Alexander W Wyatt, James Douglas, Veronika Skuginna, Fan Mo, Shawn Anderson, Diana Rotzer, Achim Fleischmann, Vera Genitsch, Tetsutaro Hayashi, Maja Neuenschwander, Christine Buerki, Elai Davicioni, Colin Collins, George N Thalmann, Peter C Black, Roland Seiler
Although the introduction of novel targeted agents has improved patient outcomes in several human cancers, no such advance has been achieved in muscle-invasive bladder cancer (MIBC). However, recent sequencing efforts have begun to dissect the complex genomic landscape of MIBC, revealing distinct molecular subtypes and offering hope for implementation of targeted therapies. Her2 (ERBB2) is one of the most established therapeutic targets in breast and gastric cancer but agents targeting Her2 have not yet demonstrated anti-tumor activity in MIBC...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28193625/deep-sequencing-of-urinary-rnas-for-bladder-cancer-molecular-diagnostics
#3
Mandy L Y Sin, Kathleen E Mach, Rahul Sinha, Fan Wu, Dharati Trivedi, Emanuela Altobelli, Kristin C Jensen, Debashis Sahoo, Ying Lu, Joseph C Liao
PURPOSE: The majority of bladder cancer patients present with localized disease and are managed by transurethral resection. However, the high rate of recurrence necessitates lifetime cystoscopic surveillance. Developing a sensitive and specific urine-based test would significantly improve bladder cancer screening, detection, and surveillance. EXPERIMENTAL DESIGN: RNA-seq was used for biomarker discovery to directly assess the gene expression profile of exfoliated urothelial cells in urine derived from bladder cancer patients (n=13) and controls (n=10)...
February 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28185084/-schistosomose-urog%C3%A3-nitale-et-cancer
#4
A Berry, X Iriart, J Fillaux, J-F Magnaval
The existence of a link between urinary schistosomiasis (US) and bladder carcinoma was first suspected by C. Goebel in 1905. In 1911, A.R Ferguson, who was a professor of Pathology and Microbiology at the Faculty of Medicine in Cairo, published a more detailed survey from 40 autopsies, and reported a likely association of bladder carcinoma with granulomas caused by US. Subsequently, published results from several studies reinforced Ferguson's hypothesis. Moreover, in most countries where US was endemic, association of high prevalence of bladder carcinoma with US had been pointed out...
February 10, 2017: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/28181054/an-evaluation-of-morphological-and-functional-multi-parametric-mri-sequences-in-classifying-non-muscle-and-muscle-invasive-bladder-cancer
#5
Valeria Panebianco, Ettore De Berardinis, Giovanni Barchetti, Giuseppe Simone, Constantino Leonardo, Marcello Domenico Grompone, Maurizio Del Monte, Davide Carano, Michele Gallucci, James Catto, Carlo Catalano
OBJECTIVES: Our goal is to determine the ability of multi-parametric magnetic resonance imaging (mpMRI) to differentiate muscle invasive bladder cancer (MIBC) from non-muscle invasive bladder cancer (NMIBC). METHODS: Patients underwent mpMRI before tumour resection. Four MRI sets, i.e. T2-weighted (T2W) + perfusion-weighted imaging (PWI), T2W plus diffusion-weighted imaging (DWI), T2W + DWI + PWI, and T2W + DWI + PWI + dif-fusion tensor imaging (DTI) were interpreted qualitatively by two radiologists, blinded to histology results...
February 8, 2017: European Radiology
https://www.readbyqxmd.com/read/28169993/the-evolving-genomic-landscape-of-urothelial-carcinoma
#6
REVIEW
Alexander P Glaser, Damiano Fantini, Ali Shilatifard, Edward M Schaeffer, Joshua J Meeks
Survival of patients with urothelial carcinoma (including bladder cancer and upper tract urothelial carcinoma) is limited by our current approaches to staging, surgery, and chemotherapy. Large-scale, next-generation sequencing collaborations, such as The Cancer Genome Atlas, have already identified drivers and vulnerabilities of urothelial carcinoma. This disease has a high degree of mutational heterogeneity and a high frequency of somatic mutations compared with other solid tumours, potentially resulting in an increased neoantigen burden...
February 7, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28163793/uromark-a-urinary-biomarker-assay-for-the-detection-of-bladder-cancer
#7
Andrew Feber, Pawan Dhami, Liqin Dong, Patricia de Winter, Wei Shen Tan, Mónica Martínez-Fernández, Dirk S Paul, Antony Hynes-Allen, Sheida Rezaee, Pratik Gurung, Simon Rodney, Ahmed Mehmood, Felipe Villacampa, Federico de la Rosa, Charles Jameson, Kar Keung Cheng, Maurice P Zeegers, Richard T Bryan, Nicholas D James, Jesus M Paramio, Alex Freeman, Stephan Beck, John D Kelly
BACKGROUND: Bladder cancer (BC) is one of the most common cancers in the western world and ranks as the most expensive to manage, due to the need for cystoscopic examination. BC shows frequent changes in DNA methylation, and several studies have shown the potential utility of urinary biomarkers by detecting epigenetic alterations in voided urine. The aim of this study is to develop a targeted bisulfite next-generation sequencing assay to diagnose BC from urine with high sensitivity and specificity...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28145855/association-between-gpx1-pro189leu-polymorphism-and-the-occurrence-of-bladder-cancer-in-morocco
#8
K Hadami, R Ameziane El Hassani, A Ameur, N Dakka, M Abbar, A Al Bouzidi, M Attaleb, M El Mzibri
Worldwide, Bladder cancer is the most frequent male malignancy. It is the third most common male malignancy in Morocco. The risk factors for developing bladder cancer are multiples including dietary conditions, environmental exposure and oxidative stress. GPX1 gene encoding for the human cellular antioxidant enzyme glutathione peroxidase1 is a key factor in the cell detoxification process. GPX1 Pro198Leu polymorphism is associated with a decrease of enzyme activity and may contribute to bladder cancer susceptibility...
December 30, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28122525/an-approach-to-forecast-human-cancer-by-profiling-microrna-expressions-from-ngs-data
#9
A Salim, R Amjesh, S S Vinod Chandra
BACKGROUND: microRNAs are single-stranded non-coding RNA sequences of 18 - 24 nucleotides in length. They play an important role in post-transcriptional regulation of gene expression. Evidences of microRNA acting as promoter/suppressor of several diseases including cancer are being unveiled. Recent studies have shown that microRNAs are differentially expressed in disease states when compared with that of normal states. Profiling of microRNA is a good measure to estimate the differences in expression levels, which can be further utilized to understand the progression of any associated disease...
January 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28117781/cell-free-dna-integrity-analysis-in-urine-samples
#10
Valentina Casadio, Samanta Salvi, Filippo Martignano, Roberta Gunelli, Sara Ravaioli, Daniele Calistri
Although the presence of circulating cell-free DNA in plasma or serum has been widely shown to be a suitable source of biomarkers for many types of cancer, few studies have focused on the potential use of urine cell-free (UCF) DNA. Starting from the hypotheses that normal apoptotic cells produce highly fragmented DNA and that cancer cells release longer DNA, the potential role of UCF DNA integrity was evaluated as an early diagnostic marker capable of distinguishing between patients with prostate or bladder cancer and healthy individuals...
January 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28101348/evans-blue-mediated-white-light-detection-of-non-muscle-invasive-bladder-cancer-a-preclinical-feasibility-and-safety-study-using-a-rat-bladder-urothelial-cell-carcinoma-model
#11
Sanne Elsen, Evelyne Lerut, Frank Van Der Aa, Ben Van Cleynenbreugel, Hendrik Van Poppel, Peter De Witte
Photodynamic diagnosis (PDD) improves the detection of non-muscle-invasive bladder cancer (NMIBC). However, white-light (WL) cystoscopy remains the technique routinely used in urological clinics. A more cost-effective but equally performant alternative to PDD may encompass the use of an intense tumoritropic dye in combination with WL cystoscopy. Using a preclinical setting, we investigated the practical aspects of the use of Evans blue (EB) dye for the possible future detection of NMIBC using WL cystoscopy...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28094956/radiolabeled-r954-derivatives-for-imaging-bradykinin-b1-receptor-expression-with-positron-emission-tomography
#12
Hsiou-Ting Kuo, Jinhe Pan, Joseph Lau, Chengcheng Zhang, Jutta Zeisler, Nadine Colpo, Francois Benard, Kuo-Shyan Lin
Peptide receptors have emerged as promising targets for diagnosis and therapy. The aberrant overexpression of these receptors in different cancer subtypes allows for the adoption of new treatment strategies that complement conventional chemotherapies. Bradykinin B1 receptor (B1R) is a G protein-coupled receptor that is overexpressed in many cancers, with limited expression in healthy tissues. Previously, we developed 68Ga- and 18F-labeled derivatives of B1R antagonist peptides B9858 and B9958, and successfully targeted B1R-expressing tumor xenografts in vivo...
January 17, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28046472/th-cd-202-12-online-inter-beam-replanning-based-on-real-time-dose-reconstruction
#13
C P Kamerling, M F Fast, P Ziegenhein, S Nill, U Oelfke
PURPOSE: This work provides a proof-of-concept study for online replanning during treatment delivery for step-and-shoot prostate SBRT, based on real-time dose reconstruction. Online replanning is expected to improve the trade-off between target coverage and organ-at-risk dose in the presence of intra-fractional motion. METHODS: We have implemented an online replanning workflow on top of our previously reported real-time dose reconstruction software which connects to an Elekta research linac...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28008925/biallelic-jak1-mutations-in-immunodeficient-patient-with-mycobacterial-infection
#14
Davide Eletto, Siobhan O Burns, Ivan Angulo, Vincent Plagnol, Kimberly C Gilmour, Frances Henriquez, James Curtis, Miguel Gaspar, Karolin Nowak, Vanessa Daza-Cajigal, Dinakantha Kumararatne, Rainer Doffinger, Adrian J Thrasher, Sergey Nejentsev
Mutations in genes encoding components of the immune system cause primary immunodeficiencies. Here, we study a patient with recurrent atypical mycobacterial infection and early-onset metastatic bladder carcinoma. Exome sequencing identified two homozygous missense germline mutations, P733L and P832S, in the JAK1 protein that mediates signalling from multiple cytokine receptors. Cells from this patient exhibit reduced JAK1 and STAT phosphorylation following cytokine stimulations, reduced induction of expression of interferon-regulated genes and dysregulated cytokine production; which are indicative of signalling defects in multiple immune response pathways including Interferon-γ production...
December 23, 2016: Nature Communications
https://www.readbyqxmd.com/read/27986820/identification-of-complex-genomic-rearrangements-in-cancers-using-cougar
#15
Misko Dzamba, Arun K Ramani, Pawel Buczkowicz, Yue Jiang, Man Yu, Cynthia Hawkins, Michael Brudno
The genomic alterations associated with cancers are numerous and varied, involving both isolated and large-scale complex genomic rearrangements (CGRs). Although the underlying mechanisms are not well understood, CGRs have been implicated in tumorigenesis. Here, we introduce CouGaR, a novel method for characterizing the genomic structure of amplified CGRs, leveraging both depth of coverage (DOC) and discordant pair-end mapping techniques. We applied our method to whole-genome sequencing (WGS) samples from The Cancer Genome Atlas and identify amplified CGRs in at least 5...
January 2017: Genome Research
https://www.readbyqxmd.com/read/27930669/development-of-rna-fish-assay-for-detection-of-oncogenic-fgfr3-tacc3-fusion-genes-in-ffpe-samples
#16
Masahiro Kurobe, Takahiro Kojima, Kouichi Nishimura, Shuya Kandori, Takashi Kawahara, Takayuki Yoshino, Satoshi Ueno, Yuichi Iizumi, Koji Mitsuzuka, Yoichi Arai, Hiroshi Tsuruta, Tomonori Habuchi, Takashi Kobayashi, Yoshiyuki Matsui, Osamu Ogawa, Mikio Sugimoto, Yoshiyuki Kakehi, Yoshiyuki Nagumo, Masakazu Tsutsumi, Takehiro Oikawa, Koji Kikuchi, Hiroyuki Nishiyama
INTRODUCTION AND OBJECTIVES: Oncogenic FGFR3-TACC3 fusions and FGFR3 mutations are target candidates for small molecule inhibitors in bladder cancer (BC). Because FGFR3 and TACC3 genes are located very closely on chromosome 4p16.3, detection of the fusion by DNA-FISH (fluorescent in situ hybridization) is not a feasible option. In this study, we developed a novel RNA-FISH assay using branched DNA probe to detect FGFR3-TACC3 fusions in formaldehyde-fixed paraffin-embedded (FFPE) human BC samples...
2016: PloS One
https://www.readbyqxmd.com/read/27929483/a-dosimetric-evaluation-of-knowledge-based-vmat-planning-with-simultaneous-integrated-boosting-for-rectal-cancer-patients
#17
Hao Wu, Fan Jiang, Haizhen Yue, Sha Li, Yibao Zhang
RapidPlan, a commercial knowledge-based optimizer, has been tested on head and neck, lung, esophageal, breast, liver, and prostate cancer patients. To appraise its performance on VMAT planning with simultaneous integrated boosting (SIB) for rectal cancer, this study configured a DVH (dose-volume histogram) estimation model consisting 80 best-effort manual cases of this type. Using the model-generated objectives, the MLC (multileaf collimator) sequences of other 70 clinically approved plans were reoptimized, while the remaining parameters, such as field geometry and photon energy, were maintained...
November 8, 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/27896485/biomarkers-for-precision-medicine-in-bladder-cancer
#18
REVIEW
Takahiro Kojima, Koji Kawai, Jun Miyazaki, Hiroyuki Nishiyama
Bladder cancer (BC) is classified as non-muscle-invasive BC (NMIBC) or muscle-invasive BC (MIBC). Because the recurrence and mortality rates of BC are high, suitable biomarkers for early detection, evaluation of prognosis, and surveillance of drug responses are needed. Urinary markers simplify surveillance schedules and improve early detection of tumors, especially in NMIBC. Various markers have been identified at DNA, RNA, and protein levels with different sensitivities and specificities. Several biomarkers show a higher sensitivity than urinary cytology, but they are not accurate enough to replace it...
November 29, 2016: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27846884/future-perspectives-in-melanoma-research-meeting-report-from-the-melanoma-bridge-napoli-december-1st-4th-2015
#19
Paolo A Ascierto, Sanjiv Agarwala, Gerardo Botti, Alessandra Cesano, Gennaro Ciliberto, Michael A Davies, Sandra Demaria, Reinhard Dummer, Alexander M Eggermont, Soldano Ferrone, Yang Xin Fu, Thomas F Gajewski, Claus Garbe, Veronica Huber, Samir Khleif, Michael Krauthammer, Roger S Lo, Giuseppe Masucci, Giuseppe Palmieri, Michael Postow, Igor Puzanov, Ann Silk, Stefani Spranger, David F Stroncek, Ahmad Tarhini, Janis M Taube, Alessandro Testori, Ena Wang, Jennifer A Wargo, Cassian Yee, Hassane Zarour, Laurence Zitvogel, Bernard A Fox, Nicola Mozzillo, Francesco M Marincola, Magdalena Thurin
The sixth "Melanoma Bridge Meeting" took place in Naples, Italy, December 1st-4th, 2015. The four sessions at this meeting were focused on: (1) molecular and immune advances; (2) combination therapies; (3) news in immunotherapy; and 4) tumor microenvironment and biomarkers. Recent advances in tumor biology and immunology has led to the development of new targeted and immunotherapeutic agents that prolong progression-free survival (PFS) and overall survival (OS) of cancer patients. Immunotherapies in particular have emerged as highly successful approaches to treat patients with cancer including melanoma, non-small cell lung cancer (NSCLC), renal cell carcinoma (RCC), bladder cancer, and Hodgkin's disease...
November 15, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27836246/emerging-role-of-immunotherapy-in-urothelial-carcinoma-immunobiology-biomarkers
#20
REVIEW
Randy F Sweis, Matthew D Galsky
Urothelial bladder cancer is one of the first cancers recognized to be immunogenic since 40 years ago when the use of bacillus Calmette-Guerin was shown to prevent recurrence. Since that time, our knowledge of immune biology of cancer has expanded tremendously, and patients with bladder cancer finally have new active immunotherapeutic drugs on the horizon. Anti-programmed cell death-1 (PD-1)/programmed cell death ligand-1 (PD-L1) therapy has shown impressively durable responses in urothelial bladder cancer (UBC), but the reported response rates warrant improvement...
December 2016: Urologic Oncology
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