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prostatic cancer

Wohn-Jenn Leu, Sharada Prasanna Swain, She-Hung Chan, Jui-Ling Hsu, Shih-Ping Liu, Mei-Ling Chan, Chia-Chun Yu, Lih-Ching Hsu, Yen-Lin Chou, Wei-Ling Chang, Duen-Ren Hou, Jih-Hwa Guh
A series of triazole-based small molecules that mimic FTY720-mediated anticancer activity but minimize its immunosuppressive effect have been produced. SPS-7 is the most effective derivative displaying higher activity than FTY720 in anti-proliferation against human hormone-refractory prostate cancer (HRPC). It induced G1 arrest of cell cycle and subsequent apoptosis in thymidine block-mediated synchronization model. The data were supported by a decrease of cyclin D1 expression, a dramatic increase of p21 expression and an associated decrease in RB phosphorylation...
October 19, 2016: Oncotarget
Erika Heninger, Timothy E G Krueger, Stephanie M Thiede, Jamie M Sperger, Brianna L Byers, Madison R Kircher, David Kosoff, Bing Yang, David F Jarrard, Douglas G McNeel, Joshua M Lang
Immune tolerance to self-antigens can limit robust anti-tumor immune responses in the use of tumor vaccines. Expression of novel tumor associated antigens can improve immune recognition and lysis of tumor cells. The cancer-testis antigen (CTA) family of proteins has been hypothesized to be an ideal class of antigens due to tumor-restricted expression, a subset of which have been found to induce antibody responses in patients with prostate disease. We demonstrate that CTA expression is highly inducible in five different Prostate Cancer (PC) cell lines using a hypomethylating agent 5-Aza-2'-deoxycytidine (5AZA) and/or a histone deacetylase inhibitor LBH589...
October 17, 2016: Oncotarget
Gavish Munbauhal, Thomas Seisen, Florie D Gomez, Benoit Peyronnet, Olivier Cussenot, Shahrokh F Shariat, Morgan Rouprêt
The sentinel lymph node dissection (SLND) concept relies on the accurate detection of primary nodal landing sites and could represent a major advancement towards accurate, non-invasive pelvic staging in prostate cancer (PCa). Different iterations of the technique have now been validated and reproduced mostly in large-volume centres. The existing evidence denotes the feasibility and sensitivity of SLND, with encouraging pre- and intraoperative detection rates of 98% and 96%. Yet, current surgical practice mandates a backup template dissection due to a false negative rate, up to 7...
October 6, 2016: Cancer Treatment Reviews
Ruifeng Liu, Xueping Yu, Anders Wallqvist
Chemical toxicity is conventionally evaluated in animal models. However, animal models are resource intensive; moreover, they face ethical and scientific challenges because the outcomes obtained by animal testing may not correlate with human responses. To develop an alternative method for assessing chemical toxicity, we investigated the feasibility of using chemical-induced genome-wide expression changes in cultured human cells to predict the potential of a chemical to cause specific organ injuries in humans...
October 21, 2016: Chemical Research in Toxicology
Xingkang Jiang, Changwen Zhang, Shiyong Qi, Shanqi Guo, Yue Chen, E Du, Hongtuan Zhang, Xiaoming Wang, Ranlu Liu, Baomin Qiao, Kuo Yang, Zhihong Zhang, Yong Xu
Although we and other studies indicated ZNF217 expression was increased in prostate cancer (PCa), the factors mediating its misregulated expression and their oncogenic activity remain largely unexplored. Recent evidence demonstrated that ferroportin (FPN) reduction lead to decreased iron export and increased intercellular iron that consequently aggravates the oncogenic effects of iron. In the present study, ZNF217 was identified as a transcriptional repressor that inhibits FPN expression. Increased of ZNF217 expression led to decreased FPN concentration, coupled with resultant intracellular iron retention, increased iron-related cellular activities and enhanced tumor cell growth...
October 19, 2016: Oncotarget
Meng-Bo Hu, Hua Xu, Ji-Meng Hu, Wen-Hui Zhu, Tian Yang, Qiang Ding
Leptin and adiponectin signaling was associated with development and progression of various cancers. The present study aimed to clarify the role of genetic variants in leptin, adiponectin and their receptors in prostate cancer. After comprehensive search and manuscript scanning, a total of 49 genetic variants were enrolled and examined for their relations to cancer risk and aggressiveness. In the meta-analysis, LEP rs7799039 (allele contrast: OR 1.133, 95%CI 1.024-1.254), ADIPOQ rs2241766 (allele contrast: OR 1...
October 19, 2016: Oncotarget
Stefano Salciccia, Alessandro Gentilucci, Susanna Cattarino, Alessandro Sciarra
On the basis of the trials available, are we ready to consider GnRH antagonists better than agonists? Is there a population of patients who may benefit from antagonists more than agonists?We specifically focused our analysis on the significance of oncological results obtained in phase III trials directly comparing Degarelix with GnRH agonists. Oncological results were evaluated only in 1 trial (CS21) with some subanalysis and they were not the primary endpoints of the study. The follow-up duration was 364 days, and therefore, the number of events (all causes deaths and prostate cancer (PC), Prostate Specific Antigen (PSA), Hazard ratio (HR)-related deaths) was very low in both groups and this aspect strongly reduces the significance of overall survival evaluation...
October 15, 2016: Urologia
Stacy Loeb, Yasin Folkvaljon, Caitlin Curnyn, David Robinson, Ola Bratt, Pär Stattin
Importance: Active surveillance is an important option to reduce prostate cancer overtreatment, but it remains underutilized in many countries. Models from the United States show that greater use of active surveillance is important for prostate cancer screening to be cost-effective. Objectives: To perform an up-to-date, nationwide, population-based study on use of active surveillance for localized prostate cancer in Sweden. Design, Setting, and Participants: Cross-sectional study in the National Prostate Cancer Register (NPCR) of Sweden from 2009 through 2014...
October 20, 2016: JAMA Oncology
Matthew R Cooperberg
No abstract text is available yet for this article.
October 20, 2016: JAMA Oncology
Raymond Chan, Patsy Yates, Alexandra L McCarthy
PURPOSE/OBJECTIVES: To explore the fatigue self-management behaviors and factors associated with effectiveness of these behaviors in patients with advanced cancer.
. DESIGN: Prospective longitudinal interviewer-administered survey.
. SETTING: Royal Brisbane and Women's Hospital in Queensland, Australia.
. SAMPLE: 152 outpatients with metastatic breast, lung, colorectal, and prostate cancer experiencing fatigue were recruited...
November 1, 2016: Oncology Nursing Forum
Pavel Damborský, Katarzyna M Koczula, Andrea Gallotta, Jaroslav Katrlík
Lateral flow assays (LFAs) enable the simple and rapid detection and quantification of analytes and is popular for point-of-care (PoC), point-of-use and outdoor testing applications. LFAs typically depend on antibody or nucleic acid based recognition. We present the innovative concept of a LFA using lectins in the role of the biorecognition element. Lectins are a special kind of glycan-binding protein and the lectin-based LFA herein described was developed for the determination of the glycosylation of free prostate specific antigen (PSA)...
October 21, 2016: Analyst
H Kumon, Y Ariyoshi, K Sasaki, T Sadahira, M Araki, S Ebara, H Yanai, M Watanabe, Y Nasu
As the First-In-Human study of in situ gene therapy using an adenovirus vector carrying the human REIC (reduced expression in immortalized cell)/Dkk-3 gene (Ad-REIC), we conducted neoadjuvant intraprostatic injections in patients with high-risk localized prostate cancer undergoing radical prostatectomy (RP). Patients with recurrence probability of 35% or more within 5 years following RP, as calculated by Kattan's nomogram, were enrolled. Patients received two ultrasound-guided intratumoral injections at 2-week intervals, followed by RP 6 weeks after the second injection...
October 21, 2016: Cancer Gene Therapy
Jianguo Zhu, Jukun Song, Zezhen Liu, Jin Han, Heng Luo, Yunlin Liu, Zhenyu Jia, Yuanbo Dong, Wei Zhang, Funeng Jiang, Chinlee Wu, Zaolin Sun, Weide Zhong
Association between allergic conditions and prostate cancer risk has been investigated for many years. However, the results from available evidence for the association are inconsistent. We conducted a meta-analysis to evaluate the relationship between allergic conditions (asthma, atopy, hay fever and "any allergy") and risk of prostate cancer. The PubMed and Embase databases were searched to screen observational studies meeting our meta-analysis criteria. Study selection and data extraction from included studies were independently performed by two authors...
October 21, 2016: Scientific Reports
A Kautzky-Willer, S Thurner, P Klimek
AIM: There is firm evidence of a relation between type 2 diabetes (T2DM) and increased risks of cancer at various sites, but it is still unclear how different antihyperglycaemic therapies modify site-specific cancer risks. The aim of this study was to provide a complete characterization of all possible associations between individual T2DM therapies, statin use and site-specific cancers in the Austrian population. METHODS: Medical claims data of 1 847 051 patients with hospital stays during 2006-2007 were used to estimate age- and sex-dependent co-occurrences of site-specific cancer diagnoses and treatment with specific glucose-lowering drugs and statins...
October 21, 2016: Journal of Internal Medicine
Sundhar Ramalingam, Adva Eisenberg, Wen Chi Foo, Jennifer Freedman, Andrew J Armstrong, Larry G Moss, Michael R Harrison
Here we present, to the best of our knowledge, the first case of a paraneoplastic Cushing's syndrome (hypercortisolism) resulting from treatment-related neuroendocrine prostate cancer - a highly aggressive and difficult disease to treat. A 51-year-old man was started on androgen deprivation therapy after presenting with metastatic prostate cancer, characterized by diffuse osseous metastasis. Shortly thereafter, he developed progressive disease with biopsy proven neuroendocrine prostate cancer as well as symptoms of increased skin pigmentation, hypokalemia, hypertension, hyperglycemia and profound weakness, consistent with ectopic Cushing's syndrome...
October 21, 2016: International Journal of Urology: Official Journal of the Japanese Urological Association
Emily Ward, Michael Baad, Yahui Peng, Ambereen Yousuf, Shiyang Wang, Tatjana Antic, Aytekin Oto
PURPOSE: To describe MP-MRI features of the normal anterior fibromuscular stroma (AFMS) and identify MR imaging findings that can differentiate it from anterior prostate cancer. METHODS: We reviewed MP-MR images and histopathology of patients who underwent pre-operative MRI and prostatectomy between October 2012 and August 2014. Thirty-seven patients with anterior prostate cancer larger than 5 mm and 40 patients with no anterior cancer were included in this study...
October 21, 2016: Abdominal Radiology
Annabelle South, Wendy R Parulekar, Matthew R Sydes, Bingshu E Chen, Mahesh K Parmar, Noel Clarke, Padraig Warde, Malcolm Mason
BACKGROUND: Recent trials have shown that the addition of external beam radiotherapy (EBRT) to androgen deprivation therapy (ADT) improves survival among men with locally advanced prostate cancer. OBJECTIVE: To examine the potential impact of these trials on changes in clinical practice and life-years saved. DESIGN SETTING AND PARTICIPANTS: A model was developed to examine the impact of changes in clinical practice in the UK. A survey of clinicians who treat men with prostate cancer in the UK and Canada was performed...
August 2016: European Urology Focus
Tatsuaki Daimon, Takeo Kosaka, Mototsugu Oya
Docetaxel chemotherapy for metastatic castration resistant prostate cancer patients has been thought palliative because the radiological response rate is low and durable response is rare. The patient was a 64-year-old man who was diagnosed with cT3aN0M0 prostate cancer and underwent external beam radiation therapy as the initial treatment. He underwent androgen deprivation therapy and 8 cycles of docetaxel chemotherapy. His PSA level decreased and became undetectable and the disease was confirmed to be stable by radiological examination...
2016: American Journal of Clinical and Experimental Urology
David Jarrard, Badrinath Konety, Wei Huang, Tracy Downs, Jill Kolesar, Kyung Mann Kim, Tom Havighurst, Joel Slaton, Margaret G House, Howard L Parnes, Howard H Bailey
INTRODUCTION AND OBJECTIVES: Prostate cancer (PCa) represents an important target for chemoprevention given its prolonged natural history and high prevalence. Epidemiologic and laboratory data suggest that vitamin D and genistein (soy isoflavone) may decrease PCa progression. The effect of vitamin D on prostate epithelial cell proliferation and differentiation is well documented and genistein may augment this affect through inhibition of the CYP24 enzyme, which is responsible for intracellular vitamin D metabolism...
2016: American Journal of Clinical and Experimental Urology
Hassan Mansouri-Torshizi, Elham Rezaei, Farzaneh Kamranfar, Mostafa Heidari Majd
Purpose: High solubility, low renal toxicity and apoptosis-inducing ability of palladium complexes are the reasons for their synthesis. Methods: In vitro cytotoxic study of previously synthesized [Pd(en)(8HQ)]NO3 , was carried out on breast cancer MCF-7 cell lines and prostate cancer DU145 cell lines. DNA fragmentation indicative of apoptotic was also evaluated by TUNEL assay on DU145 cell line. Results: FT-IR spectra of final complex confirmed the existence of chelating ligands. The DU145 cells unlike the MCF-7 cells, demonstrated the significant influence of the Pd (II) complex...
September 2016: Advanced Pharmaceutical Bulletin
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