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https://www.readbyqxmd.com/read/29777382/mood-sexuality-and-relational-intimacy-after-starting-androgen-deprivation-therapy-implications-for-couples
#1
Lauren M Walker, Pablo Santos-Iglesias, John Robinson
BACKGROUND: Patients on androgen deprivation therapy (ADT), a common treatment for prostate cancer, report significant declines in quality of life and detrimental impact on their intimate relationships. ADT depresses a man's testosterone to castrate levels, leading to declines in sexual function, and changes in mood. These changes can have profound impact on couples' intimate relationships. METHOD: Patients undergoing ADT, and their consenting partners, were followed on a variety of outcomes relating to mood, sexual changes, and relational intimacy...
May 18, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29777112/micrornas-as-potential-therapeutics-to-enhance-chemosensitivity-in-advanced-prostate-cancer
#2
Hui-Ming Lin, Iva Nikolic, Jessica Yang, Lesley Castillo, Niantao Deng, Chia-Ling Chan, Nicole K Yeung, Eoin Dodson, Benjamin Elsworth, Calan Spielman, Brian Y Lee, Zoe Boyer, Kaylene J Simpson, Roger J Daly, Lisa G Horvath, Alexander Swarbrick
Docetaxel and cabazitaxel are taxane chemotherapy treatments for metastatic castration-resistant prostate cancer (CRPC). However, therapeutic resistance remains a major issue. MicroRNAs are short non-coding RNAs that can silence multiple genes, regulating several signalling pathways simultaneously. Therefore, synthetic microRNAs may have therapeutic potential in CRPC by regulating genes involved in taxane response and minimise compensatory mechanisms that cause taxane resistance. To identify microRNAs that can improve the efficacy of taxanes in CRPC, we performed a genome-wide screen of 1280 microRNAs in the CRPC cell lines PC3 and DU145 in combination with docetaxel or cabazitaxel treatment...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29775627/acquisition-of-tumorigenic-potential-and-therapeutic-resistance-in-cd133-subpopulation-of-prostate-cancer-cells-exhibiting-stem-cell-like-characteristics
#3
Rajnee Kanwal, Sanjeev Shukla, Ethan Walker, Sanjay Gupta
The role of CD133 (Prominin-1) as a cancer stem cell marker may be useful for therapeutic approaches and prognostication in prostate cancer patients. We investigated the stem-cell-related function and biological features of a subpopulation of CD133+ cells isolated from established primary human prostate cancer cell lines. The CD133+ cells sorted from human prostate cancer 22Rv1 exhibited high clonogenic and tumorigenic capabilities, sphere forming capacity and serially reinitiated transplantable tumors in NOD-SCID mice...
May 15, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29774808/single-port-robot-assisted-perineal-prostatectomy-and-pelvic-lymphadenectomy-step-by-step-technique-in-a-cadaveric-model
#4
Matthew J Maurice, Jihad H Kaouk
The envelope is constantly being pushed to minimize the invasiveness of prostate cancer surgery without compromising oncologic or functional outcomes. Transperitoneal robot-assisted radical prostatectomy has certainly accomplished these goals. However, it is our intent to push the envelope even further, that is, to minimize the invasiveness of already minimally invasive surgery. To accomplish this lofty goal, we borrowed the transperineal approach from open surgery and fused it with the latest robotic technology to innovate an extraperitoneal robotic prostatectomy technique that is less invasive than the traditional robotic technique...
May 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29773994/biological-roles-of-aberrantly-expressed-glycosphingolipids-and-related-enzymes-in-human-cancer-development-and-progression
#5
REVIEW
Dinghao Zhuo, Xiang Li, Feng Guan
Glycosphingolipids (GSLs), which consist of a hydrophobic ceramide backbone and a hydrophilic carbohydrate residue, are an important type of glycolipid expressed in surface membranes of all animal cells. GSLs play essential roles in maintenance of plasma membrane stability, in regulation of numerous cellular processes (including adhesion, proliferation, apoptosis, and recognition), and in modulation of signal transduction pathways. GSLs have traditionally been classified as ganglio-series, lacto-series, or globo-series on the basis of their diverse types of oligosaccharide chains...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29772880/detection-of-spatial-aggregation-of-cases-of-cancer-from-data-on-patients-and-health-centres-contained-in-the-minimum-basic-data-set
#6
Pablo Fernández-Navarro, Jose-Miguel Sanz-Anquela, Angel Sánchez Pinilla, Rosario Arenas Mayorga, Carmen Salido-Campos, Gonzalo López-Abente
The feasibility of the Minimum Basic Data Set (MBDS) as a tool in cancer research was explored monitoring its incidence through the detection of spatial clusters. Case-control studies based on MBDS and marked point process were carried out with the focus on the residence of patients from the Prince of Asturias University Hospital in Alcalá de Henares (Madrid, Spain). Patients older than 39 years with diagnoses of stomach, colorectal, lung, breast, prostate, bladder and kidney cancer, melanoma and haematological tumours were selected...
May 7, 2018: Geospatial Health
https://www.readbyqxmd.com/read/29772566/the-epigenetic-factor-kdm2b-regulates-emt-and-small-gtpases-in-colon-tumor-cells
#7
Nefeli Zacharopoulou, Anna Tsapara, Galatea Kallergi, Evi Schmid, Saad Alkahtani, Saud Alarifi, Philip N Tsichlis, Sotirios C Kampranis, Christos Stournaras
BACKGROUND/AIMS: The epigenetic factor KDM2B is a histone demethylase expressed in various tumors. Recently, we have shown that KDM2B regulates actin cytoskeleton organization, small Rho GTPases signaling, cell-cell adhesion and migration of prostate tumor cells. In the present study, we addressed its role in regulating EMT and small GTPases expression in colon tumor cells. METHODS: We used RT-PCR for the transcriptional analysis of various genes, Western blotting for the assessment of protein expression and immunofluorescence microscopy for visualization of fluorescently labeled proteins...
May 14, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29772540/hsp70-and-gama-semino-protein-as-possible-prognostic-marker-of-prostate-cancer
#8
Sanjay Kumar, Sanjeev Gurshaney, Yori Adagunodo, Erica Gage, Shezreen Qadri, Mahak Sharma, Shalie Malik, Upender Manne, Udai P Singh, Rajesh Singh, Manoj K Mishra
In the United States, Prostate Cancer (PCa) is the leading cause of cancer-related mortality in men. PCa resulted in abnormal growth and function of prostate gland such as secretion of high level of gamma-seminoprotein (gama-SM)/Prostate-Specific Antigen (PSA) which could be detected in the blood. Beside gama-SM protein, the levels of heat shock proteins (Hsp70) were also observed significantly high. Therefore, gama-SM and Hsp70 are unique proteins with high potential for PCa therapeutics and diagnostics. High level of Hsp70 suppresses apoptosis, thus allowing PCa cells to exist; however, depletion of Hsp70 induces apoptosis in PCa cells...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772077/a-feature-alignment-score-for-online-cone-beam-ct-based-image-guided-radiotherapy-for-prostate-cancer
#9
Catriona Hargrave, Timothy Deegan, Michael Poulsen, Tomasz Bednarz, Fiona Harden, Kerrie Mengersen
PURPOSE: To develop a method for scoring online cone-beam CT (CBCT)-to-planning CT image feature alignment to inform prostate image-guided radiotherapy (IGRT) decision-making. The feasibility of incorporating volume variation metric thresholds, predictive of delivering planned dose into weighted functions, was investigated. METHODS: Radiation therapists and radiation oncologists participated in workshops where they reviewed prostate CBCT-IGRT case examples and completed a paper-based survey of image feature matching practices...
May 17, 2018: Medical Physics
https://www.readbyqxmd.com/read/29770599/structural-analysis-of-small-molecule-binding-to-the-baz2a-and-baz2b-bromodomains
#10
Andrea Dalle Vedove, Dimitrios Spiliotopoulos, Vito Giuseppe D'Agostino, Jean-Rémy Marchand, Andrea Unzue, Cristina Nevado, Graziano Lolli, Amedeo Caflisch
The bromodomain-containing protein BAZ2A is a validated target in prostate cancer, while the function of its paralog BAZ2B is still undefined. The bromodomains of BAZ2A and BAZ2B have a very similar binding site for their natural ligand, the acetylated lysine side chain. Here, we present an analysis of the binding modes of eight compounds belonging to three distinct chemical classes. For all compounds, the moiety mimicking the natural ligand makes essentially identical interactions in the BAZ2A and BAZ2B bromodomains...
May 17, 2018: ChemMedChem
https://www.readbyqxmd.com/read/29770305/the-prostate-cancer-focal-therapy
#11
REVIEW
Filippo Pesapane, Francesca Patella, Enrico Maria Fumarola, Edoardo Zanchetta, Chiara Floridi, Gianpaolo Carrafiello, Chloë Standaert
Despite prostate cancer (PCa) is the leading form of non-cutaneous cancer in men, most patients with PCa die with disease rather than of the disease. Therefore, the risk of overtreatment should be considered by clinicians who have to distinguish between patients with high risk PCa (who would benefit from radical treatment) and patients who may be managed more conservatively, such as through active surveillance or emerging focal therapy (FT). The aim of FT is to eradicate clinically significant disease while protecting key genito-urinary structures and function from injury...
April 2018: Gland Surgery
https://www.readbyqxmd.com/read/29769196/an-in-vivo-screen-identifies-pygo2-as-a-driver-for-metastatic-prostate-cancer
#12
Xin Lu, Xiaolu Pan, Chang-Jiun Wu, Di Zhao, Shan Feng, Yong Zang, Rumi Lee, Sunada Khadka, Samirkumar B Amin, Eun-Jung Jin, Xiaoying Shang, Pingna Deng, Yanting Luo, William R Morgenlander, Jacqueline Weinrich, Xuemin Lu, Shan Jiang, Qing Chang, Nora M Navone, Patricia Troncoso, Ronald A DePinho, Y Alan Wang
Advanced prostate cancer displays conspicuous chromosomal instability and rampant copy number aberrations, yet the identity of functional drivers resident in many amplicons remain elusive. Here, we implemented a functional genomics approach to identify new oncogenes involved in prostate cancer progression. Through integrated analyses of focal amplicons in large prostate cancer genomic and transcriptomic datasets as well as genes upregulated in metastasis, 276 putative oncogenes were enlisted into an in vivo gain-of-function tumorigenesis screen...
May 16, 2018: Cancer Research
https://www.readbyqxmd.com/read/29769060/biopro-rcmi-1505-trial-multicenter-study-evaluating-the-use-of-a-biodegradable-balloon-for-the-treatment-of-intermediate-risk-prostate-cancer-by-intensity-modulated-radiotherapy-study-protocol
#13
David Pasquier, Emilie Bogart, François Bonodeau, Thomas Lacornerie, Eric Lartigau, Igor Latorzeff
BACKGROUND: Prospective trials have demonstrated the advantage of dose-escalated radiotherapy for the biochemical and clinical control of intermediate risk prostate cancer. Dose escalation improves outcomes but increases risks of urinary and bowel toxicity. Recently the contribution of "spacers" positioned in the septum between the rectum and the prostate could improve the functional results of intensity modulated radiation therapy (IMRT). To date most of the evaluated devices were polyethylen glycol (PEG) and hyaluronic acid (HA)...
May 16, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29765457/high-lncrna-hulc-expression-is-associated-with-poor-prognosis-and-promotes-tumor-progression-by-regulating-epithelial-mesenchymal-transition-in-prostate-cancer
#14
Pengyi Zheng, Huibing Li, Po Xu, Xiaohui Wang, Zhenguo Shi, Qingjiang Han, Zhijun Li
Introduction: Recently, increasing evidence has shown that long non-coding RNAs (lncRNAs) play critical roles in tumor progression and development. However, the expression pattern and biological function of lncRNA HULC (highly upregulated in liver cancer) in prostate cancer (PCa) remain largely unclear. Material and methods: The expression of lncRNA HULC in 53 paired PCa tissues and cell lines was detected by quantitative real-time polymerase chain reaction (qRT-PCR)...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29764892/intense-exercise-for-survival-among-men-with-metastatic-castrate-resistant-prostate-cancer-interval-gap4-a-multicentre-randomised-controlled-phase-iii-study-protocol
#15
Robert U Newton, Stacey A Kenfield, Nicolas H Hart, June M Chan, Kerry S Courneya, James Catto, Stephen P Finn, Rosemary Greenwood, Daniel C Hughes, Lorelei Mucci, Stephen R Plymate, Stephan F E Praet, Emer M Guinan, Erin L Van Blarigan, Orla Casey, Mark Buzza, Sam Gledhill, Li Zhang, Daniel A Galvão, Charles J Ryan, Fred Saad
INTRODUCTION: Preliminary evidence supports the beneficial role of physical activity on prostate cancer outcomes. This phase III randomised controlled trial (RCT) is designed to determine if supervised high-intensity aerobic and resistance exercise increases overall survival (OS) in patients with metastatic castrate-resistant prostate cancer (mCRPC). METHODS AND ANALYSIS: Participants (n=866) must have histologically documented metastatic prostate cancer with evidence of progressive disease on androgen deprivation therapy (defined as mCRPC)...
May 14, 2018: BMJ Open
https://www.readbyqxmd.com/read/29764864/targeting-the-hsp40-hsp70-chaperone-axis-as-a-novel-strategy-to-treat-castration-resistant-prostate-cancer
#16
Michael A Moses, Yeong Sang Kim, Genesis M Rivera-Marquez, Nobu Oshima, Matthew J Watson, Kristin Beebe, Catherine Wells, Sunmin Lee, Abbey D Zuehlke, Hao Shao, William E Bingman, Vineet Kumar, Sanjay Malhotra, Nancy L Weigel, Jason E Gestwicki, Jane Trepel, Leonard M Neckers
Castration-resistant prostate cancer (CRPC) is characterized by reactivation of androgen receptor (AR) signaling in part by elevated expression of AR splice variants (ARv) including ARv7, a constitutively active, ligand binding domain (LBD)-deficient variant whose expression has been correlated with therapeutic resistance and poor prognosis. In a screen to identify small molecule dual inhibitors of both androgen-dependent and androgen-independent AR gene signatures, we identified the chalcone C86. Binding studies using purified proteins and CRPC cell lysates revealed C86 to interact with heat shock protein 40 (Hsp40)...
May 15, 2018: Cancer Research
https://www.readbyqxmd.com/read/29764181/symptom-clusters-using-the-eortc-qlq-c15-pal-in-palliative-radiotherapy
#17
Vithusha Ganesh, Liying Zhang, Bo Angela Wan, Leah Drost, May Tsao, Elizabeth Barnes, Carlo DeAngelis, Hans Chung, Patrick Diaz, Edward Chow
BACKGROUND: Patients with advanced cancer often experience a multitude of symptoms. Due to the potential interrelation of symptoms, symptom clusters of 2 or more concurrent symptoms have been advocated for use in the palliative setting to provide better management of symptoms. METHODS: The principal component analysis (PCA), exploratory factor analysis (EFA) and hierarchal cluster analysis (HCA) were conducted on responses to items 1-14 in the European Organisation for Research and Treatment of Cancer Quality of Life-C15-Palliative (EORTC QLQ-C15-PAL) at baseline and days 5 and 10 following RT...
April 2018: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29761841/prkar2b-promotes-prostate-cancer-metastasis-by-activating-wnt-%C3%AE-catenin-and-inducing-epithelial-mesenchymal-transition
#18
Jianjun Sha, Qing Han, Chenfei Chi, Yinjie Zhu, Jiahua Pan, Baijun Dong, Yiran Huang, Weiliang Xia, Wei Xue
Castration-resistant prostate cancers (CRPC) that occur after the failure of androgen-blocking therapies cause most of the deaths in prostate cancer (PCa) patients. In a previous study we identified that PRKAR2B expression is upregulated in CRPC and possesses potentials to develop CRPC. Here we further investigated the underlying mechanism of PRKAR2B in regulating prostate cancer metastasis. We established an androgen-independent LNCaPcell line (LNCaP-AI), and investigated the function of PRKAR2B on regulating cell invasion in vitro and in vivo...
May 15, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29761838/proliferation-and-invasion-of-colon-cancer-cells-are-suppressed-by-knockdown-of-top2a
#19
Rui Zhang, Jian Xu, Jian Zhao, Jing H Bai
Recent research has shown that TOP2A plays an important role in the tumorigenesis of many malignancies, such as breast cancer, ovarian cancer, and prostate cancer. However, few studies have been conducted on TOP2A expression and functions in colon cancer. In the present study, we found that TOP2A expression was obviously elevated in colon cancer tissues compared to adjacent non-cancerous tissues. Depletion of TOP2A in HCT116 and SW480 colon cancer cells by transfection of specific small interfering RNA significantly suppressed proliferation and inhibited invasion of cells, even induced apoptosis as indicated by both MTT assay, Annexin V/propidium iodide staining, and Transwell assay...
May 15, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29761244/copper-tolfenamic-acid-evaluation-of-stability-and-anti-cancer-activity
#20
Myrna Hurtado, Umesh T Sankpal, Jaya Chhabra, Deondra T Brown, Rajasekhar Maram, Rafid Patel, Raj K Gurung, Jerry Simecka, Alvin A Holder, Riyaz Basha
The non-steroidal anti-inflammatory drug, Tolfenamic acid (TA) acts as an anti-cancer agent in several adult and pediatric cancer models. Copper (Cu) is an important element with multiple biological functions and has gained interest in medical applications. Recently, [Cu(TA)2 (bpy)] (Cu-TA) has been synthesized in order to enhance therapeutic activity. In this study, we synthesized Cu-TA using an established method, characterized it by UV visible spectroscopy and Fourier-transform infrared spectroscopy (FTIR), and tested its anti-cancer activity using twelve cell lines representing various cancers, such as Ewing sarcoma, glioblastoma, medulloblastoma, neuroblastoma, pancreatic and prostate...
May 15, 2018: Investigational New Drugs
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