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https://www.readbyqxmd.com/read/29223029/design-synthesis-and-evaluation-of-novel-n-hydroxybenzamides-n-hydroxypropenamides-incorporating-quinazolin-4-3h-ones-as-histone-deacetylase-inhibitors-and-antitumor-agents
#1
Doan Thanh Hieu, Duong Tien Anh, Nguyen Minh Tuan, Pham-The Hai, Le-Thi-Thu Huong, Jisung Kim, Jong Soon Kang, Tran Khac Vu, Phan Thi Phuong Dung, Sang-Bae Han, Nguyen-Hai Nam, Nguyen-Dang Hoa
In our search for novel small molecules targeting histone deacetylases, we have designed and synthesized several series of novel N-hydroxybenzamides/N-hydroxypropenamides incorporating quinazolin-4(3H)-ones (4a-h, 8a-d, 10a-d). Biological evaluation showed that these hydroxamic acids were generally cytotoxic against three human cancer cell lines (SW620, colon; PC-3, prostate; NCI-H23, lung cancer). It was found that the N-hydroxypropenamides (10a-d) were the most potent, both in term of HDAC inhibition and cytotoxicity...
December 5, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29222925/quantification-of-photonic-localization-properties-of-targeted-nuclear-mass-density-variations-application-in-cancer-stage-detection
#2
Peeyush Sahay, Aditya Ganju, Huda M Almabadi, Hemendra M Ghimire, Murali M Yallapu, Omar Skalli, Meena Jaggi, Subhash C Chauhan, Prabhakar Pradhan
Light localization is a phenomenon which arises due to the interference effects of light waves inside a disordered optical medium. Quantification of degree light localization in optical media is widely used for characterizing degree of structural disorder in that media. Recently, this light localization approach was extended to analyze structural changes in biological cell like heterogeneous optical media, with potential application in cancer diagnostics. Confocal fluorescence microscopy was used to construct 'optical lattices', which represents 2D refractive index map corresponding to the spatial mass density distribution of a selected molecule inside the cell...
December 9, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/29222833/association-between-measures-of-treatment-quality-and-disease-progression-in-prostate-cancer-radiotherapy-an-exploratory-analysis-from-the-trog-03-04-radar-trial
#3
Marco Marcello, Martin A Ebert, Annette Haworth, Allison Steigler, Angel Kennedy, Max Bulsara, Rachel Kearvell, David J Joseph, James W Denham
INTRODUCTION: Quality assurance methods are incorporated into multicentre radiotherapy clinical trials for ensuring consistent application of trial protocol and quantifying treatment uncertainties. The study's purpose was to determine whether post-treatment disease progression is associated with measures of the quality of radiotherapy treatment. METHODS: The TROG 03.04 RADAR trial tested the impact of androgen deprivation on prostate cancer patients receiving dose-escalated external beam radiation therapy...
December 8, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29222705/tai-chi-and-qigong-for-cancer-related-symptoms-and-quality-of-life-a-systematic-review-and-meta-analysis
#4
REVIEW
Peter M Wayne, M S Lee, J Novakowski, K Osypiuk, J Ligibel, L E Carlson, R Song
PURPOSE: This study aims to summarize and critically evaluate the effects of Tai Chi and Qigong (TCQ) mind-body exercises on symptoms and quality of life (QOL) in cancer survivors. METHODS: A systematic search in four electronic databases targeted randomized and non-randomized clinical studies evaluating TCQ for fatigue, sleep difficulty, depression, pain, and QOL in cancer patients, published through August 2016. Meta-analysis was used to estimate effect sizes (ES, Hedges' g) and publication bias for randomized controlled trials (RCTs)...
December 8, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/29222677/diagnostic-evaluation-of-magnetization-transfer-and-diffusion-kurtosis-imaging-for-prostate-cancer-detection-in-a-re-biopsy-population
#5
Tristan Barrett, Mary McLean, Andrew N Priest, Edward M Lawrence, Andrew J Patterson, Brendan C Koo, Ilse Patterson, Anne Y Warren, Andrew Doble, Vincent J Gnanapragasam, Christof Kastner, Ferdia A Gallagher
OBJECTIVE: To evaluate diffusion kurtosis imaging (DKI) and magnetisation transfer imaging (MTI) compared to standard MRI for prostate cancer assessment in a re-biopsy population. METHODS: Thirty-patients were imaged at 3 T including DKI (Kapp and Dapp) with b-values 150/450/800/1150/1500 s/mm2 and MTI performed with and without MT saturation. Patients underwent transperineal biopsy based on prospectively defined MRI targets. Receiver-operating characteristic (ROC) analyses assessed the parameters and Wilcoxon-signed ranked test assessed relationships between metrics...
December 8, 2017: European Radiology
https://www.readbyqxmd.com/read/29222597/incongruence-in-treatment-decision-making-is-associated-with-lower-health-related-quality-of-life-among-prostate-cancer-survivors-results-from-the-picture-study
#6
Frances J Drummond, Anna T Gavin, Linda Sharp
PURPOSE: We investigated associations between treatment decision making (TDM) and global health-related-quality-of-life (gHRQoL) among prostate cancer (PCa) survivors. METHODS: Postal questionnaires were sent to 6559 PCa survivors 2-18 years post-diagnosis, identified through population-based cancer registries in Ireland. The Control Preference Scale was used to investigate respondents' 'actual' and 'preferred' role in TDM. The TDM experience was considered 'congruent' when actual and preferred roles matched and 'incongruent' otherwise...
December 8, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29222595/-prostate-cancer-risk-calculator-mobile-applications-apps-a-systematic-review-and-scoring-using-the-validated-user-version-of-the-mobile-application-rating-scale-umars
#7
Ahmed Adam, Julian C Hellig, Marlon Perera, Damien Bolton, Nathan Lawrentschuk
PURPOSE: The use of mobile phone applications (Apps) has modernised the conventional practice of medicine. The diagnostic ability of the current Apps in prostate specific antigen monitoring, and its diagnostic ability within prostate cancer (PCa) risk calculators have not yet been appraised. We aimed to review, rate and assess the everyday functionality, and utility of all the currently available PCa risk calculator Apps. METHODS: A systematic search on iTunes, Google Play Store, Blackberry World and Windows Apps Store, was performed on 23/11/2017, using the search term 'prostate cancer risk calculator'...
December 8, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/29222530/seizure-rates-in-enzalutamide-treated-men-with-metastatic-castration-resistant-prostate-cancer-and-risk-of-seizure-the-upward-study
#8
Susan Slovin, William Clark, Joan Carles, Andrew Krivoshik, Jung Wook Park, Fong Wang, Daniel George
Importance: The androgen receptor inhibitor enzalutamide prolongs survival in men with metastatic castration-resistant prostate cancer (mCRPC). In controlled clinical studies, 0.5% (10 of 2051) of patients experienced seizure, but patients with a history of or risk factors for seizure were excluded. Men with mCRPC and seizure risk factors have an estimated seizure rate of 2.8 per 100 patient-years without enzalutamide exposure. Objective: To assess seizure incidence in patients with seizure risk factors who were receiving enzalutamide for mCRPC...
December 7, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29222347/pioglitazone-inhibits-periprostatic-white-adipose-tissue-inflammation-in-obese-mice
#9
Miki Miyazawa, Kotha Subbaramaiah, Priya Bhardwaj, Xi K Zhou, Hanhan Wang, Domenick J Falcone, Dilip D Giri, Andrew J Dannenberg
Obesity is associated with an increased incidence of high-grade prostate cancer (PC) and poor prognosis for PC patients. Recently, we showed that obesity-related periprostatic white adipose tissue (WAT) inflammation, characterized by crown-like structures (CLS) consisting of dead or dying adipocytes surrounded by macrophages, was associated with high-grade PC. It's possible, therefore, that agents that suppress periprostatic WAT inflammation will alter the development or progression of PC. Pioglitazone, a ligand of PPARγ is used to treat diabetes and possesses anti-inflammatory properties...
December 8, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/29222198/higher-muscle-strength-is-associated-with-prolonged-survival-in-older-patients-with-advanced-cancer
#10
Kathelijn Sophie Versteeg, Susanne Blauwhoff-Buskermolen, Laurien M Buffart, Marian A E de van der Schueren, Jacqueline A E Langius, Henk M W Verheul, Andrea B Maier, Inge R Konings
BACKGROUND: Identifying predictors of treatment toxicity and overall survival (OS) is important for selecting patients who will benefit from chemotherapy. In younger patients with cancer, muscle mass and radiodensity are associated with treatment toxicity and OS. In this study, we investigated whether muscle mass, radiodensity, and strength were associated with treatment toxicity and OS in patients with advanced cancer aged 60 years or older. MATERIALS AND METHODS: Before starting palliative chemotherapy, muscle mass and radiodensity were assessed using computed tomography scans and muscle strength was assessed using a hydraulic hand grip dynamometer...
December 8, 2017: Oncologist
https://www.readbyqxmd.com/read/29222106/psma-brings-new-flavors-to-pi3k-signaling-a-role-for-glutamate-in-prostate-cancer
#11
Lavinia Palamiuc, Brooke M Emerling
In this issue of JEM, Kaittanis et al. (https://doi.org/10.1084/jem.20171052) report a new signaling role for prostate-specific membrane antigen (PSMA), providing a mechanistic link between two major oncogenic pathways, as well as promising therapeutic implications for the diagnosis and treatment of prostate cancer.
December 8, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29221985/hotair-mediated-reciprocal-regulation-of-ezh2-and-dnmt1-contribute-to-polyphyllin-i-inhibited-growth-of-castration-resistant-prostate-cancer-cells-in-vitro-and-in-vivo
#12
SongTao Xiang, PeiLiang Zou, Qing Tang, Fang Zheng, JingJing Wu, ZhiQiang Chen, Swei Sunny Hann
BACKGROUND: Polyphyllin I (PPI), one of the steroidal saponins in paris polyphylla, has been reported to exhibit antitumor effects. However, the detailed molecular mechanism underlying this has not been elucidated. METHODS: Cell viability and cell cycle distribution were measured using 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) and Flow cytometry assays, respectively. Cell invasion and migration were examined by Transwell invasion and wound healing assays...
December 5, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29221876/conventional-versus-hypofractionated-radiation-therapy-for-localized-prostate-cancer-a-meta-analysis-of-randomized-noninferiority-trials
#13
REVIEW
Trevor Joseph Royce, Dong Hoon Lee, NaNa Keum, Nitipong Permpalung, Calvin J Chiew, Sherise Epstein, Kristen M Pluchino, Anthony V D'Amico
CONTEXT: Whether hypofractionated radiation therapy (RT) compared with conventionally fractionated RT provides comparable or possibly improved cancer control without increased toxicity in localized prostate cancer (PC) remains unknown. OBJECTIVE: Realizing from the CHHiP trial that outcomes are highly sensitive to the dose fractionation schedule and number of treatments, we conducted a systematic review and meta-analysis selecting only the randomized noninferiority trials, because the randomized arms closely approximated one another in terms of the dose fractionation schedule, and compared cancer control and toxicity of hypofractionated RT with conventionally fractionated RT for localized PC...
November 4, 2017: European Urology Focus
https://www.readbyqxmd.com/read/29221676/prospective-medical-analysis-of-radiation-therapist-image-repositioning-during-image-guided-radiotherapy
#14
O Lauche, F Castan, H de Forges, C Guillaumon, S Gourgou, P Fenoglietto, N Aillères, D Azria, O Riou
PURPOSE: Radiation oncologists are responsible for deciding which day-to-day variations are acceptable or not in the treatment setup. However, properly qualified and trained radiation therapists might be capable to perform image registration. We evaluated in our centre the capability and accuracy of radiation therapists to validate positioning images in a prospective study. METHODS AND PATIENTS: A total of 84 patients treated for prostate, head and neck, lung or breast cancer was prospectively and randomly included from July 2011 to July 2013 in radiotherapy unit of our institution...
December 5, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/29221663/-long-term-outcomes-of-prostate-cancer-patients-with-lymph-nodes-metastasis-after-radical-prostatectomy-and-pelvic-lymph-node-dissection
#15
S De Vergie, N Gaschignard, M Baron, J Branchereau, F Luyckx, T Butel, M-A Perrouin-Verbe, O Bouchot, J Rigaud
INTRODUCTION: The aim of this study was to evaluate biochemical recurrence-free survival (RFS) and to identify useful predictors of such survival in localized prostate cancer patients (cN0) and pelvic lymph node metastasis (pN+) treated with radical prostatectomy and pelvic lymph node dissection. PATIENTS AND METHODS: This multicenter and retrospective study, assessed overall survival (OS), cancer specific survival (CSS) and biochemical recurrence-free survival (RFS), between January 2005 until December 2010 with 5 years of distance...
December 5, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/29221660/re-stromal-gene-expression-is-predictive-for-metastatic-primary-prostate-cancer
#16
Liang Dong, Kenneth J Pienta
No abstract text is available yet for this article.
December 5, 2017: European Urology
https://www.readbyqxmd.com/read/29221310/uniportal-video-assisted-thoracoscopic-surgery-left-upper-lobe-trisegmentectomy-using-flexible-tip-3d-video-scope
#17
Mathew Thomas
A 69-year-old male patient with a history of melanoma and prostate cancer was found to have a 2.6 cm PET-avid, slowly enlarging, left upper lobe lung nodule that was suspicious for either metastasis or primary lung cancer. Due to the deep location of the nodule, a wedge resection was not recommended. A diagnostic and therapeutic uniportal video-assisted thoracoscopic surgery (U-VATS) left upper lobe trisegmentectomy was performed uneventfully. Final pathology confirmed the presence of metastasis from prostate cancer without lymph node involvement...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221153/-68ga-pentixafor-for-cxcr4-imaging-in-a-pc-3-prostate-cancer-xenograft-model-comparison-with-18f-fdg-pet-ct-mri-and-ex-vivo-receptor-expression
#18
Sarah M Schwarzenböck, Jan Stenzel, Thomas Otto, Heike V Helldorff, Carina Bergner, Jens Kurth, Stefan Polei, Tobias Lindner, Romina Rauer, Alexander Hohn, Oliver W Hakenberg, Hans J Wester, Brigitte Vollmar, Bernd J Krause
Purpose: The aim was to characterize the properties of [68Ga]Pentixafor as tracer for prostate cancer imaging in a PC-3 prostate cancer xenograft mouse model and to investigate its correlation with [18F]FDG PET/CT, magnetic resonance imaging (MRI) and ex vivo analyses. Methods: Static [68Ga]Pentixafor and [18F]FDG PET as well as morphological/ diffusion weighted MRI and 1H MR spectroscopy was performed. Imaging data were correlated with ex vivo biodistribution and CXCR4 expression in PC-3 tumors (immunohistochemistry (IHC), mRNA analysis)...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220296/carcinosarcomas-and-related-cancers-tumors-caught-in-the-act-of-epithelial-mesenchymal-transition
#19
Angela Pang, Mariana Carbini, Andre L Moreira, Robert G Maki
In this review, we outline the biology and management of patients with carcinosarcomas and related malignancies, which are often included under the broader concept of sarcomatoid carcinomas. Carcinosarcomas are unusual tumors that are commonly gynecologic in origin, where they are referred to as malignant mixed Müllerian tumors, but may appear in any anatomic site. Although a variety of hypotheses have been presented as to the biphasic nature of these tumors, carcinosarcomas seem to represent the best example in human cancers of the concept of epithelial-mesenchymal transition (EMT), in which the two parts of the tumor are genomically related to one another, as opposed to the mesenchymal component that represents a second neoplasm or (benign) reactive process...
December 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29220213/clinical-application-of-biparametric-mri-texture-analysis-for-detection-and-evaluation-of-high-grade-prostate-cancer-in-zone-specific-regions
#20
Xiang-Ke Niu, Zhi-Fan Chen, Lin Chen, Jun Li, Tao Peng, Xin Li
OBJECTIVE: The purpose of this study was to investigate the performance of biparametric MRI texture analysis (TA) in detecting and evaluating high-grade prostate cancer in zone-specific regions. MATERIALS AND METHODS: A retrospective study included 184 consecutively registered biopsy-naive patients in whom prostate cancer was suspected who were undergoing multiparametric prostate MRI. MR images were scored and evaluated by two readers using the Prostate Imaging Reporting and Data System version 2 (PI-RADSv2) and biparametric MRI TA in separate sessions...
December 8, 2017: AJR. American Journal of Roentgenology
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