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https://www.readbyqxmd.com/read/29236331/reduction-of-histone-marks-h3k9me3-and-h3k27me3-by-epidrug-induces-neuroendocrine-differentiation-in-prostate-cancer
#1
Eunsohl Lee, Jingcheng Wang, Younghun Jung, Frank C Cackowski, Russell S Taichman
Neuroendocrine prostate cancer (NE PCa) is an aggressive malignancy, often presenting with advanced metastasis. We previously reported that reduction of histone marks regulated by DNMT1 following epidrug (5-Azacitidine, 5-Aza) treatment controls induction of epithelial to mesenchymal (EMT) and a cancer stem cell (CSC) phenotype, which facilitates tumorigenesis in PCa cells. Here, we use the epidrug 5-Aza as a model for how histone marks may regulate the reprogramming of prostate adenocarcinoma into NE phenotypic cells...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236328/mirnalet-7a-mediates-prostate-cancer-pc-3-cell-invasion-migration-by-inducing-epithelial-mesenchymal-transition-through-ccr7-mapk-pathway
#2
Tang Guanlin, Du Ruoyang, Tang Zhaobing, Kuang Youlin
Prostate cancer is one of the most common malignancies in older men. Recent evidence has demonstrated microRNA (miRNA) Let-7a expression decreased in prostate cancer, while the expression of C-C chemokine receptor type 7 (CCR7) increased. In this study, we investigated whether CCR7 overexpression was associated with a decrease in the expression of miRNA let-7a in invasion and metastasis of prostate cancer cell. Methods Synthetic let-7a mimics and let-7a inhibitors were transfected into prostate cancer PC-3 cells repectively...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236307/interleukin-4-induces-a-cd44high-cd49bhigh-pc3-subpopulation-with-tumor-initiating-characteristics
#3
Holger H H Erb, Fabian Guggenberger, Frédéric R Santer, Zoran Culig
Pro- and anti-inflammatory cytokines may influence proliferation, migration, invasion and other cellular events of prostate cancer (PCa) cells. The hyaluronan receptor CD44, which is regulated by Interleukin (IL)-4, is a prostate basal cell marker. CD44high /CD49bhigh expressing cells have been demonstrated to have tumor-initiating characteristics. Here, we aimed to analyze the effects of long-term IL-4 treatment on CD44/CD49b expression, migration, proliferation and clonogenic potential of basal-like PCa cells...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29235565/anthropometric-measurements-and-survival-after-a-prostate-cancer-diagnosis
#4
Megan S Farris, Kerry S Courneya, Karen A Kopciuk, S Elizabeth McGregor, Christine M Friedenreich
BACKGROUND: Evidence regarding the role of anthropometrics in prostate cancer survival is inconsistent. We examined the associations between anthropometric measures and survival outcomes. METHODS: Men diagnosed with prostate cancer (n=987) were recruited into a population-based case-control study between 1997 and 2000 then a prospective cohort study between 2000 and 2002 where anthropometric measurements (weight, height, body mass index, waist circumference, waist-hip ratio) were taken and participants were followed up to 19 years for survival outcomes...
December 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29234903/biodistribution-and-radiation-dosimetry-of-64cu-copper-dichloride-first-in-human-study-in-healthy-volunteers
#5
M A Avila-Rodriguez, C Rios, J Carrasco-Hernandez, J C Manrique-Arias, R Martinez-Hernandez, F O García-Pérez, A R Jalilian, E Martinez-Rodriguez, M E Romero-Piña, A Diaz-Ruiz
BACKGROUND: In recent years, Copper-64 (T1/2 = 12.7 h) in the chemical form of copper dichloride ([64Cu]CuCl2) has been identified as a potential agent for PET imaging and radionuclide therapy targeting the human copper transporter 1, which is overexpressed in a variety of cancer cells. Limited human biodistribution and radiation dosimetry data is available for this tracer. The aim of this research was to determine the biodistribution and estimate the radiation dosimetry of [64Cu]CuCl2, using whole-body (WB) PET scans in healthy volunteers...
December 12, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/29234845/eanm-guideline-for-radionuclide-therapy-with-radium-223-of-metastatic-castration-resistant-prostate-cancer
#6
Thorsten D Poeppel, Daria Handkiewicz-Junak, Michael Andreeff, Alexander Becherer, Andreas Bockisch, Eva Fricke, Lilli Geworski, Alexander Heinzel, Bernd J Krause, Thomas Krause, Markus Mitterhauser, Wilfried Sonnenschein, Lisa Bodei, Roberto C Delgado-Bolton, Michael Gabriel
Radium Ra-223 dichloride (radium-223, Xofigo®) is a targeted alpha therapy approved for the treatment of castration-resistant prostate cancer (CRPC) with symptomatic bone metastases and no known visceral metastatic disease. Radium-223 is the first targeted alpha therapy in this indication providing a new treatment option, with evidence of a significant survival benefit, both in overall survival and in the time to the first symptomatic skeletal-related event. The skeleton is the most common metastatic site in patients with advanced prostate cancer...
December 12, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29234538/can-androgen-deprivation-therapy-obviate-the-need-of-channel-transurethral-resection-of-the-prostate-in-advanced-prostate-cancer-with-urinary-retention-a-prospective-study
#7
Rajeev Sood, Ritesh Kumar Singh, Hemant Goel, T Manasa, Nikhil Khattar, Mahesh C Tripathi
Objective: To evaluate the efficacy of androgen-deprivation therapy (ADT) in relieving urinary retention in patients with advanced prostate cancer presenting with urinary retention or a high post-void residual urine volume (PVR). Patients and methods: Patients with advanced prostate cancer with an indwelling catheter for acute/chronic urinary retention, or with a high PVR (>200 mL) who had not received any previous treatment were included in the study. Patients with localised prostate cancer eligible for receiving any therapy aimed at cure were excluded...
December 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/29234267/incidental-detection-of-occult-thyroid-carcinoma-with-11c-choline-pet-ct-for-high-risk-prostate-cancer
#8
Adama Ouattara, Tiago Ribeiro de Oliveira, Serge Holz, Hannes Van den Bossche, David Strybol, Christophe Assenmacher, Wouter Everaerts, Gert De Meerleer, Steven Joniau
We report a case of a 65-year-old male patient with high-risk prostate cancer, re-staged with 11C-choline positron emission tomography/computed tomography (PET/CT) for prostate specific antigen recurrences 3 years after radical prostatectomy and adjuvant radiation therapy. In addition to 2 suspicious presacral lymph nodes which were resected and proven to be metastatic, PET/CT revealed a very high uptake in a calcified thyroid nodule. Evaluation with fine needle aspiration was suspicious for thyroid carcinoma and the patient underwent total thyroidectomy, confirming a non-metastatic encapsulated follicular variant of papillary thyroid carcinoma...
November 2017: Current Urology
https://www.readbyqxmd.com/read/29234265/the-benefit-of-a-surgical-resection-of-a-solitary-pulmonary-metastasis-of-prostate-cancer-after-radical-prostatectomy
#9
Dries Mortier, Evert Baten, Kurt Vandeurzen, Koenraad van Renterghem
Historically, a solitary pulmonary metastasis of prostate cancer was considered as metastatic or disseminated disease and could only be treated systemically. However, some patients may benefit from surgical metastasectomy of a solitary pulmonary metastasis. We present an uncommon case of resection of a solitary pulmonary metastasis of prostate cancer after previous radical prostatectomy, resulting in un-detectable prostate specific antigen.
November 2017: Current Urology
https://www.readbyqxmd.com/read/29234263/atypical-small-acinar-proliferation-and-high-grade-prostatic-intraepithelial-neoplasia-should-we-be-concerned-an-observational-cohort-study-with-a-minimum-follow-up-of-3-years
#10
Vinaya Srirangam, Bhavan Prasad Rai, Ahmed Abroaf, Samita Agarwal, Sergey Tadtayev, Charlotte Foley, Tim Lane, Jim Adshead, Nikhil Vasdev
Introduction: Atypical small acinar proliferation (ASAP) and high grade prostatic intraepithelial neoplasia (HGPIN) are considered precancerous. We aimed to measure the rate of repeat biopsy and adenocarcinoma in patients with ASAP and HGPIN and identify any clinico-pathologic parameters at diagnosis of ASAP/HGPIN that are predictive of adenocarcinoma. Materials and Methods: Patients with a diagnosis of ASAP/HGPIN with no previous or concomitant cancer were identified...
November 2017: Current Urology
https://www.readbyqxmd.com/read/29234260/can-anterior-prostatic-fat-harbor-prostate-cancer-metastasis-a-prospective-cohort-study
#11
Mohannad Hosny, Bhavan Rai, Feras Aljaafari, Samita Agarwal, Thomas McNicholas, Gregory Boustead, Thimothy Lane, James Adshead, Nikhil Vasdev
Objectives: Traditionally anterior prostatic fat (APF) hasn't been included in pelvic lymph node (LN) dissection templates following radical prostatectomy. In this study we evaluate the incidence of lymphoid tissue in the APF and the incidence of LN metastasis in APF in patients who have undergone robotic-assisted laparoscopic radical prostatectomy (RALP). Methods: A prospective database of RALP has been maintained between January 2010 and September 2015. APF is routinely excised and sent separately for histopathological evaluation to identify lymphoid tissue and metastatic prostate cancer...
November 2017: Current Urology
https://www.readbyqxmd.com/read/29234259/simultaneous-measurements-of-follicle-stimulating-hormone-and-total-testosterone-and-associations-in-clinically-localized-prostate-cancer
#12
Antonio B Porcaro, Salvatore Siracusano, Nicolò de Luyk, Paolo Corsi, Marco Sebben, Alessandro Tafuri, Tania Processali, Davide Inverardi, Giovanni Cacciamani, Daniele Mattevi, Maria A Cerruto, Matteo Brunelli, Claudio Ghimenton, Carmelo Monaco, Walter Artibani
Objectives: To evaluate the potential relations of simultaneous measurements of basal levels of follicle stimulating hormone (FSH) and total testosterone (TT) in clinically localized prostate cancer (PCa). Materials and Methods: The study included 126 patients who had simultaneous measurements of prostate specific antigen (PSA), FSH, and TT before undergoing radical prostatectomy for clinically localized PCa. Correlations and independent associations between clinical and pathological factors were investigated by statistical methods...
November 2017: Current Urology
https://www.readbyqxmd.com/read/29234258/toxicity-adverse-events-and-quality-of-life-associated-with-the-treatment-of-metastatic-castration-resistant-prostate-cancer
#13
REVIEW
Senol Tonyali, Hakan Bahadir Haberal, Emrullah Sogutdelen
Objectives: Among males, prostate cancer (PCa) is the most common cancer in Europe and the second most common cancer worldwide, especially in those aged > 70 years. With the advent of novel alternative treatments, survival in patients with advanced PCa has increased. PCa is now considered a chronic disease. Survival is an important endpoint in advanced PCa, as is quality of life (QoL). The effects of the disease and its treatment on patient health-related QoL must be taken into account when selecting the most appropriate treatment options...
November 2017: Current Urology
https://www.readbyqxmd.com/read/29234063/the-sam-sam-interaction-between-ship2-and-the-epha2-receptor-design-and-analysis-of-peptide-inhibitors
#14
Flavia Anna Mercurio, Concetta Di Natale, Luciano Pirone, Roberta Iannitti, Daniela Marasco, Emilia Maria Pedone, Rosanna Palumbo, Marilisa Leone
The lipid phosphatase Ship2 represents a drug discovery target for the treatment of different diseases, including cancer. Its C-terminal sterile alpha motif domain (Ship2-Sam) associates with the Sam domain from the EphA2 receptor (EphA2-Sam). This interaction is expected to mainly induce pro-oncogenic effects in cells therefore, inhibition of the Ship2-Sam/EphA2-Sam complex may represent an innovative route to discover anti-cancer therapeutics. In the present work, we designed and analyzed several peptide sequences encompassing the interaction interface of EphA2-Sam for Ship2-Sam...
December 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29233929/single-cell-rna-seq-reveals-a-subpopulation-of-prostate-cancer-cells-with-enhanced-cell-cycle-related-transcription-and-attenuated-androgen-response
#15
Aaron M Horning, Yao Wang, Che-Kuang Lin, Anna D Louie, Rohit R Jadhav, Chia-Nung Hung, Chiou-Miin Wang, Chun-Lin Lin, Nameer B Kirma, Michael A Liss, Addanki P Kumar, LuZhe Sun, Zhijie Liu, Wei-Ting Chao, Qianben Wang, Victor X Jin, Chun-Liang Chen, Tim H-M Huang
Increasing evidence suggests the presence of minor cell subpopulations in prostate cancer that are androgen independent and poised for selection as dominant clones after androgen-deprivation therapy. In this study, we investigated this phenomenon by stratifying cell subpopulations based on transcriptome profiling of 144 single LNCaP prostate cancer cells treated or untreated with androgen after cell cycle synchronization. Model-based clustering of 397 differentially expressed genes identified eight potential subpopulations of LNCaP cells, revealing a previously unappreciable level of cellular heterogeneity to androgen stimulation...
December 12, 2017: Cancer Research
https://www.readbyqxmd.com/read/29233664/performance-of-a-prostate-cancer-genomic-classifier-in-predicting-metastasis-in-men-with-prostate-specific-antigen-persistence-postprostatectomy
#16
Daniel E Spratt, Darlene L Y Dai, Robert B Den, Patricia Troncoso, Kasra Yousefi, Ashley E Ross, Edward M Schaeffer, Zaid Haddad, Elai Davicioni, Rohit Mehra, Todd M Morgan, Walter Rayford, Firas Abdollah, Edouard Trabulsi, Mary Achim, Elsa Li Ning Tapia, Mireya Guerrero, Robert Jeffrey Karnes, Adam P Dicker, Mark A Hurwitz, Paul L Nguyen, Felix F Y Feng, Stephen J Freedland, John W Davis
BACKGROUND: Prostate cancer patients who have a detectable prostate-specific antigen (PSA) postprostatectomy may harbor pre-existing metastatic disease. To our knowledge, none of the commercially available genomic biomarkers have been investigated in such men. OBJECTIVE: To evaluate if a 22-gene genomic classifier can independently predict development of metastasis in men with PSA persistence postoperatively. DESIGN, SETTING, AND PARTICIPANTS: A multi-institutional study of 477 men who underwent radical prostatectomy (RP) between 1990 and 2015 from three academic centers...
December 9, 2017: European Urology
https://www.readbyqxmd.com/read/29233150/a-prospective-study-of-magnetic-resonance-imaging-and-ultrasonography-mri-us-fusion-targeted-biopsy-and-concurrent-systematic-transperineal-biopsy-with-the-average-of-18-cores-to-detect-clinically-significant-prostate-cancer
#17
Yuji Hakozaki, Hisashi Matsushima, Jimpei Kumagai, Taro Murata, Tomoko Masuda, Yoko Hirai, Mai Oda, Nobuo Kawauchi, Munehiro Yokoyama, Yukio Homma
BACKGROUND: This study compared the detection rates for clinically significant prostate cancer (CSPC) between magnetic resonance imaging and ultrasonography (MRI/US)-fusion-targeted biopsy (TB), systematic biopsy (SB) and combination of TB and SB. METHODS: This prospective study evaluated simultaneous TB and SB for consecutive patients with suspicious lesions that were detected using pre-biopsy multiparametric MRI. A commercially available real-time virtual sonography system was used to perform the MRI/US-fusion TB with the transperineal technique...
December 12, 2017: BMC Urology
https://www.readbyqxmd.com/read/29233144/evaluation-of-serum-prolidase-activity-and-oxidative-stress-markers-in-men-with-bph-and-prostate-cancer
#18
Faruk Kucukdurmaz, Erkan Efe, Ahmet Çelik, Hasan Dagli, Metin Kılınc, Sefa Resim
BACKGROUND: Prostate cancer (PCa) and benign prostatic hyperplasia (BPH) are diseases of elderly men and are related to increased oxidative stress (OS). Although prolidase has a role in collagen metabolism, it is also used to evaluate OS in many diseases. However, there is a lack of data about serum prolidase activity (SPA) in prostate cancer. The aim of this study was to evaluate and compare SPA levels in males with BPH and PCa. METHODS: Evaluation was made of a total of 81 men who underwent transrectal ultrasound guided prostate biopsy for a definitive diagnosis due to high PSA levels...
December 12, 2017: BMC Urology
https://www.readbyqxmd.com/read/29232987/radium-223-international-early-access-program-results-from-the-spanish-subset
#19
Joan Carles, Mª José Méndez, Álvaro Pinto, Mª Isabel Sáez, José A Arranz, Pablo Maroto, Pilar López-Criado, Begoña Mellado, Jesús García Donas, Susana Hernando, Luís León, Aránzazu González Del Alba, Núria Laínez, Emilio Esteban, Gaspar Reynés, José L Pérez-Gracia, Josep R Germà, Marta López-Brea, Begoña Pérez-Valderrama, Cristina Moretones, Daniel Castellano
AIM: To report results from the Spanish subset included in the radium-223 international early access program (iEAP). PATIENTS & METHODS: Ninety patients with castration-resistant prostate cancer and bone metastases received radium-223 55 kBq/kg every 4 weeks for six cycles. RESULTS: The median time to disease progression was 8 months and to prostate-specific antigen progression was 4 months. The percentage of patients with ≥50% confirmed declines in prostate-specific antigen was 9%...
December 13, 2017: Future Oncology
https://www.readbyqxmd.com/read/29232855/magnetic-marking-and-intraoperative-detection-of-primary-draining-lymph-nodes-in-high-risk-prostate-cancer-using-superparamagnetic-iron-oxide-nanoparticles-additional-diagnostic-value
#20
Alexander Winter, Svenja Engels, Lena Reinhardt, Clara Wasylow, Holger Gerullis, Friedhelm Wawroschek
Sentinel lymph node dissection (sLND) using a magnetometer and superparamagnetic iron oxide nanoparticles (SPIONs) as a tracer was successfully applied in prostate cancer (PCa). Radioisotope-guided sLND combined with extended pelvic LND (ePLND) achieved better node removal, increasing the number of affected nodes or the detection of sentinel lymph nodes outside the established ePLND template. We determined the diagnostic value of additional magnetometer-guided sLND after intraprostatic SPION-injection in high-risk PCa...
December 9, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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