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prostate adenocarcinoma

Kelly J Butnor, Elizabeth N Pavlisko, Thomas A Sporn, Victor L Roggli
CONTEXT: - Malignant mesothelioma (MM) is a component of the BAP1 tumor predisposition syndrome. Other than in BAP1 familial studies, nonmesothelial neoplasms in individuals with MM has not been comprehensively assessed. OBJECTIVE: - To assess the spectrum and prevalence of nonmesothelial neoplasms in individuals with MM. DESIGN: - Individuals with MM and second neoplasms were identified from a database of 3900 MM cases. The expected prevalence of each type of neoplasm was calculated and compared with the actual prevalence in the study population using available Surveillance, Epidemiology, and End Results data and other published data...
March 12, 2018: Archives of Pathology & Laboratory Medicine
Mario P Colombo, Elena Jachetti, Valeria Cancila, Alice Rigoni, Lucia Bongiovanni, Barbara Cappetti, Beatrice Belmonte, Claudia Enriquez, Patrizia Casalini, Paola Ostano, Barbara Frossi, Sabina Sangaletti, Claudia Chiodoni, Giovanna Chiorino, Carlo E Pucillo, Claudio Tripodo
Immunotherapy, including the use of checkpoint inhibitors, is a potent therapeutic approach for some cancers, but has limited success with prostate tumors, in which immune suppression is instigated by the tumor. The immunosuppressive capacity of mast cells, which promote adenocarcinoma development in the prostate, prompted our investigation on whether mast cells promote tolerance to SV40 Large-T antigen, the transforming oncogene in transgenic adenocarcinoma of the mouse prostate (TRAMP) mice. The incidence of adenocarcinoma was reduced in the offspring of a cross between TRAMP mice and mast cell-deficient KitWsh mice...
March 9, 2018: Cancer Immunology Research
Qingqiang Gao, Jianhuai Chen, Yutian Dai
BACKGROUND: In the past 20 years, the incidence of prostate cancer has risen rapidly. It has been ranked as the third most common malignant tumor of the male genitourinary system. Testicular metastasis is uncommon in prostate cancer. Most cases are incidentally found in the treatment of prostate cancer with orchiectomy. Therefore, we believed it was necessary to report the case of our patient with this disease. CASE PRESENTATION: We present a case of a 69-year-old Han Chinese man with a high total prostate-specific antigen level...
March 9, 2018: Journal of Medical Case Reports
Tayyar Alp Özkan, Oğuz Özden Cebeci, İbrahim Çevik, Özdal Dillioğlugil
Objective: The incidence of prostate adenocarcinoma (PCa) is increased with the use of prostate-specific antigen (PSA). In the current study, we aimed to investigate the impact of 5- alpha- reductase inhibitors (5-ARI) on pathological progression in patients followed by active surveillance (AS). Material and methods: Records of 69 patients with localized prostate cancer under AS (PSA ≤15 ng/mL, PSAD ≤0.20, ≤cT2c, Gleason sum ≤3+3, the number of cancer positive cores ≤3) were evaluated retrospectively...
March 2018: Turkish Journal of Urology
Alberto Ferrarini, Claudio Forcato, Genny Buson, Paola Tononi, Valentina Del Monaco, Mario Terracciano, Chiara Bolognesi, Francesca Fontana, Gianni Medoro, Rui Neves, Birte Möhlendick, Karim Rihawi, Andrea Ardizzoni, Semini Sumanasuriya, Penny Flohr, Maryou Lambros, Johann de Bono, Nikolas H Stoecklein, Nicolò Manaresi
Chromosomal instability and associated chromosomal aberrations are hallmarks of cancer and play a critical role in disease progression and development of resistance to drugs. Single-cell genome analysis has gained interest in latest years as a source of biomarkers for targeted-therapy selection and drug resistance, and several methods have been developed to amplify the genomic DNA and to produce libraries suitable for Whole Genome Sequencing (WGS). However, most protocols require several enzymatic and cleanup steps, thus increasing the complexity and length of protocols, while robustness and speed are key factors for clinical applications...
2018: PloS One
Rafael Batista Rebouças, Rodrigo Campos Monteiro, João Paulo Pereira Lima, Filipe Pádua B F Almeida, Cesar Araujo Britto, Marcos Tobias-Machado, Carlo Passerotti
INTRODUCTION: Preservation of urinary continence is a great challenge in Radical Prostatectomy. In order to improve functional results, Asimakopoulos et al. (2010) described a robot-assisted surgical technique with preservation of the pubovesical complex (PVC). We present a pure laparoscopic execution. PRESENTATION: A 61-year-old male patient with a diagnosis of prostate cancer, with PSA 6.54ng/ml, DRE: T1C and Gleason 6 (3+3) 1/12 fragments. All therapeutic possibilities were discussed, including active surveillance...
March 1, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
Yuri Tolkach, Eva-Maria Niehoff, Anna Franziska Stahl, Chenming Zhao, Glen Kristiansen, Stefan C Müller, Jörg Ellinger
OBJECTIVE: To study the expression of YRNAs (Ro-associated Y), a novel class of non-coding RNAs, in prostate cancer (PCA) patients. METHODS: The expression of all four YRNAs (RNY1, RNY3, RNY4, RNY5) was determined in archival PCA (prostate adenocarcinoma, n = 56), normal (n = 36) and benign prostatic hyperplasia (BPH; n = 28) tissues using quantitative real-time PCR. Associations with clinicopathological parameters and prognostic role for biochemical recurrence-free survival were analysed...
February 28, 2018: World Journal of Urology
Tadashi Asakura, Masayuki Yokoyama, Koichi Shiraishi, Katsuhiko Aoki, Kiyoshi Ohkawa
BACKGROUND: CD147 (basigin/emmprin) is expressed on the surface of carcinoma cells. MATERIALS AND METHODS: For studying the efficacy of CD147-targeting medicine on CD147-expressing cells, we studied the effect of anti-CD147-labeled polymeric micelles (CD147ab micelles) that encapsulated a conjugate of doxorubicin with glutathione (GSH-DXR), with specific accumulation and cytotoxicity against CD147-expressing A431 human epidermoid carcinoma cells, Ishikawa human endometrial adenocarcinoma cells, and PC3 human prostate carcinoma cells...
March 2018: Anticancer Research
Angela R Elia, Matteo Grioni, Veronica Basso, Flavio Curnis, Massimo Freschi, Angelo Corti, Anna Mondino, Matteo Bellone
PURPOSE: Irregular blood flow and endothelial cell anergy, which characterize many solid tumors, hinder tumor infiltration by cytotoxic T lymphocytes (CTLs). This confers resistance to cancer immunotherapy with monoclonal antibodies directed against regulatory pathways in T lymphocytes (i.e., immune checkpoint blockade, ICB). We investigated whether NGR-TNF, a TNF derivative capable of targeting the tumor vasculature, and improving intra-tumor infiltration by activated CTLs, could sensitize tumors to ICB with antibodies specific for the PD-1 and CTLA-4 receptors...
February 28, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Xinpei Ci, Jun Hao, Xin Dong, Stephen Y C Choi, Hui Xue, Rebecca Wu, Sifeng Qu, Peter W Gout, Fang Zhang, Anne M Haegert, Ladan Fazil, Francesco Crea, Christopher J Ong, Amina Zoubedi, Housheng H He, Martin E Gleave, Colin C Collins, Dong Lin, Yuzhuo Wang
Neuroendocrine prostate cancer (NEPC) is a lethal subtype of prostate cancer (PCa) arising mostly from adenocarcinoma via NE transdifferentiation following androgen deprivation therapy. Mechanisms contributing to both NEPC development and its aggressiveness remain elusive. In light of the fact that hyperchromatic nuclei are a distinguishing histopathological feature of NEPC, we utilized transcriptomic analyses of our patient-derived xenograft (PDX) models, multiple clinical cohorts, and genetically engineered mouse models to identify 36 heterochromatin-related genes that are significantly enriched in NEPC...
February 27, 2018: Cancer Research
Meftun Çulpan, Asıf Yıldırım, Turgay Turan, Turhan Çaşkurlu
Prostate cancer is the most common non-cutaneous malignancy and the second cause of cancer death in men. Despite improvements in diagnostic methods, the primary diagnosis of a number of patients may still be on metastatic stage. Cutaneous and supraclavicular lymph nodes are very rare metastatic sites for prostate cancer. In this report we present an extremely rare prostate cancer case diagnosed with supraclavicular lymph node and then developed cutaneous metastasis. A 64 year-old man was admitted to an internal medicine outpatient clinic with supraclavicular lymph node and biopsy of lymph node showed an adenocarcinoma...
January 2018: Turkish Journal of Urology
E E Rosenberg, G V Gerashchenko, N V Hryshchenko, L V Mevs, K A Nekrasov, R A Lytvynenko, Y V Vitruk, O P Gryzodub, E A Stakhovsky, V I Kashuba
BACKGROUND:  Prostate cancer is one of the most common male cancers in Western countries and takes the third place in morbidity in Ukraine. It is a highly heterogeneous disease. AIM: To analyze relative expression levels of the TGFB1, IL1B, FOS, EFNA5, TAGLN, PLAU, and EPDR1 genes in malignant and non-malignant prostate tissues. MATERIALS AND METHODS:  Total RNA was isolated from 16 prostate adenomas, 37 prostate adenocarcinomas, and 29 conventionally normal prostate tissues...
July 2017: Experimental Oncology
Girish Kumar Parida, Sarthak Tripathy, Shreya Datta Gupta, Abhinav Singhal, Rakesh Kumar, Chandrasekhar Bal, Shamim Ahmed Shamim
Ga-PSMA PET/CT is the upcoming imaging modality for staging, restaging and response assessment of prostate cancer. However, due to neuroendocrine differentiation in some of patients with prostate cancer, they express somatostatin receptors instead of prostate specific membrane antigen. This can be exploited and other modalities like Ga-DOTANOC PET/CT and F-FDG PET/CT should be used in such cases for guiding management. We hereby discuss a similar case of 67-year-old man of adenocarcinoma prostate with neuroendocrine differentiation, which shows the potential pitfall of Ga-PSMA PET/CT imaging and benefit of Ga-DOTANOC PET/CT and F-FDG PET/CT in such cases...
February 23, 2018: Clinical Nuclear Medicine
Bedriye Koyuncu Sokmen, Dogukan Sokmen, Nese Ucar, Huseyin Ozkurt, Abdulmuttalip Simsek
PURPOSE: Firstly, we aimed to investigate the correlation among dynamic contrasted magnetic resonance (MR) images, diffusion-weighted MR images, and apparent diffusion coefficent (ADC) values in patients with prostate cancer. Secondly, we aimed to investigate the roles of these variables on clinical risk classification and the biological behavior of the prostate cancer. METHODS: A total of sixty with prostatic adenocarcinoma patients diagnosed between January 2011 and May 2013 were retrospectively included in the study...
December 31, 2017: Archivio Italiano di Urologia, Andrologia
Ulrich A Hirt, Irene C Waizenegger, Norbert Schweifer, Christian Haslinger, Daniel Gerlach, Jürgen Braunger, Ulrike Weyer-Czernilofsky, Heinz Stadtmüller, Ioannis Sapountzis, Gerd Bader, Andreas Zoephel, Bojan Bister, Anke Baum, Jens Quant, Norbert Kraut, Pilar Garin-Chesa, Günther R Adolf
Focal adhesion kinase (FAK), a non-receptor tyrosine kinase, has attracted interest as a target for pharmacological intervention in malignant diseases. Here, we describe BI 853520, a novel ATP-competitive inhibitor distinguished by high potency and selectivity. In vitro, the compound inhibits FAK autophosphorylation in PC-3 prostate carcinoma cells with an IC50 of 1 nmol/L and blocks anchorage-independent proliferation of PC-3 cells with an EC50 of 3 nmol/L, whereas cells grown in conventional surface culture are 1000-fold less sensitive...
February 23, 2018: Oncogenesis
Shelvin Kumar Vadi, Rajender Kumar, Bhagwant Rai Mittal, Ashwin Singh Parihar, Shrawan Kumar Singh
An 85-year-old man with prostate cancer for metastatic workup underwent Gallium Prostate-Specific Membrane Antigen (Ga-PSMA) PET/CT (Ga-PSMA PET/CT), which revealed unusual tracer uptake in the shaft and glans of penis as well as multiple systemic metastases in liver, skeletal, and lymph nodes. The penile lesion was proved to be metastatic adenocarcinoma from prostate on fine needle aspiration cytology. The patient underwent Lutetium (Lu)-labeled PSMA radioligand therapy, which also revealed diffuse tracer uptake in the penile shaft as well as other metastatic sites...
February 21, 2018: Clinical Nuclear Medicine
Aditya Ganju, Subhash C Chauhan, Bilal Bin Hafeez, Kyle Doxtater, Manish K Tripathi, Nadeem Zafar, Murali M Yallapu, Rakesh Kumar, Meena Jaggi
BACKGROUND: Cancer progression and metastasis is profoundly influenced by protein kinase D1 (PKD1) and metastasis-associated protein 1 (MTA1) in addition to other pathways. However, the nature of regulatory relationship between the PKD1 and MTA1, and its resulting impact on cancer metastasis remains unknown. Here we present evidence to establish that PKD1 is an upstream regulatory kinase of MTA1. METHODS: Protein and mRNA expression of MTA1 in PKD1-overexpressing cells were determined using western blotting and reverse-transcription quantitative real-time PCR...
February 20, 2018: British Journal of Cancer
Inês Pita, Pedro Bastos, Mário Dinis-Ribeiro
Chronic radiation proctopathy is a frequent complication after both pelvic external radiation therapy and brachytherapy and most commonly presents as rectal bleeding. Deep rectal ulcers and fistulae are much rarer and more clinically challenging consequences. We present the case of a 72-year-old male with a history of prostate adenocarcinoma treated with brachytherapy, who was referred to our institution due to a deep painful rectal ulcer refractory to medical treatment. The ulcer presented shortly after a haemorrhoid elastic band ligation and progressed to rectourethral fistulisation despite both faecal and urinary diversion...
January 2018: GE Portuguese Journal of Gastroenterology
Ana Catarina Freitas, Ana Opinião, Sofia Fragoso, Hugo Nunes, Madalena Santos, Ana Clara, Sandra Bento, Ana Luis, Jorge Silva, Cecília Moura, Bruno Filipe, Patrícia Machado, Sidónia Santos, Saudade André, Paula Rodrigues, Joana Parreira, Fátima Vaz
Background: Hereditary breast and ovary cancer syndrome affects both genders but little is known about the uptake of genetic services by men. The objective of this study is to characterise the male population counselled through a multidisciplinary breast/ovarian program. Methods: Descriptive analysis of male patients counselled from January 2000 to December 2015. Data in this analysis include new cancer diagnoses during prospective follow up. Results: From 4,320 families registered, 362 male patients were identified: 236 (65...
2018: Ecancermedicalscience
Simone Mocellin, Saveria Tropea, Clara Benna, Carlo Riccardo Rossi
BACKGROUND: Dysfunction of the circadian clock and single polymorphisms of some circadian genes have been linked to cancer susceptibility, although data are scarce and findings inconsistent. We aimed to investigate the association between circadian pathway genetic variation and risk of developing common cancers based on the findings of genome-wide association studies (GWASs). METHODS: Single nucleotide polymorphisms (SNPs) of 17 circadian genes reported by three GWAS meta-analyses dedicated to breast (Discovery, Biology, and Risk of Inherited Variants in Breast Cancer (DRIVE) Consortium; cases, n = 15,748; controls, n = 18,084), prostate (Elucidating Loci Involved in Prostate Cancer Susceptibility (ELLIPSE) Consortium; cases, n = 14,160; controls, n = 12,724) and lung carcinoma (Transdisciplinary Research In Cancer of the Lung (TRICL) Consortium; cases, n = 12,160; controls, n = 16,838) in patients of European ancestry were utilized to perform pathway analysis by means of the adaptive rank truncated product (ARTP) method...
February 19, 2018: BMC Medicine
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