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Prostate cancer review

Jason Gandhi, Gautam Dagur, Kelly Warren, Noel Smith, Sardar Ali Khan
BACKGROUND: Diabetes mellitus is a vastly prevalent metabolic disorder with escalating global health concerns. Particularly when mismanaged, chronic micro- and macrovascular complications may highly impair physiological systems while immunodeficiency disposes us to infection. OBJECTIVE: We investigate infections, localized complications, and neoplasms of the genitourinary system secondary to the chronic complications of diabetes mellitus in males and females. METHOD: A comprehensive MEDLINE® search was guided using key words relevant to diabetes mellitus and the genitourinary system...
October 19, 2016: Current Diabetes Reviews
Jorge L Gutierrez-Pajares, Céline Ben Hassen, Stéphan Chevalier, Philippe G Frank
Studies have demonstrated the significant role of cholesterol and lipoprotein metabolism in the progression of cancer. The SCARB1 gene encodes the scavenger receptor class B type I (SR-BI), which is an 82-kDa glycoprotein with two transmembrane domains separated by a large extracellular loop. SR-BI plays an important role in the regulation of cholesterol exchange between cells and high-density lipoproteins. Accordingly, hepatic SR-BI has been shown to play an essential role in the regulation of the reverse cholesterol transport pathway, which promotes the removal and excretion of excess body cholesterol...
2016: Frontiers in Pharmacology
Veronica Vella, Roberta Malaguarnera, Rosamaria Lappano, Marcello Maggiolini, Antonino Belfiore
Prostate cancer is the most common cancer in men in many industrialized countries. A role for androgens in prostate tumor progression is well recognized, while estrogens may cooperate with androgens in prostate carcinogenesis. The incidence of prostate cancer is highly variable in the different countries, suggesting an important role of environmental factors. Heavy metals are common environmental contaminants and some of them are confirmed or suspected human carcinogens. Some metals are endowed with estrogenic and/or androgenic activities and may play a role as cancer risk factors through this mechanism...
October 20, 2016: Molecular and Cellular Endocrinology
David T Miyamoto, Richard J Lee
The recent expansion of therapeutic options for the treatment of metastatic prostate cancer highlights the need for precision medicine approaches to enable the rational selection of appropriate therapies for individual patients. In this context, circulating biomarkers in the peripheral blood are attractive as readily accessible tools for predicting and monitoring therapeutic response. In the case of circulating tumor cells and circulating tumor DNA, they may also serve as a noninvasive means of assessing molecular aberrations in tumors at multiple time points before and during therapy...
October 19, 2016: Urologic Oncology
Daniel E Spratt, Payal D Soni, Patrick W McLaughlin, Gregory S Merrick, Richard G Stock, John C Blasko, Michael J Zelefsky
PURPOSE: To review outcomes for high-risk prostate cancer treated with combined modality radiation therapy (CMRT) utilizing external beam radiation therapy (EBRT) with a brachytherapy boost. METHODS AND MATERIALS: The available literature for high-risk prostate cancer treated with combined modality radiation therapy was reviewed and summarized. RESULTS: At this time, the literature suggests that the majority of high-risk cancers are curable with multimodal treatment...
October 19, 2016: Brachytherapy
Adriana C Vidal, Stephen J Freedland
CONTEXT: In 2012, we published a detailed review on obesity and prostate cancer. Since then, new studies have brought further understanding regarding the role of obesity in selecting active surveillance candidates, and differing associations between obesity and prostate cancer as a function of race and molecular subtype of prostate cancer. OBJECTIVE: To review new manuscripts on these new concepts for which there were limited data before 2012. EVIDENCE ACQUISITION: A PubMed search from July 2012 to March 2016 was performed using the terms "prostate cancer" and "obesity"...
October 19, 2016: European Urology
Benjamin Kearns, Abdullah Pandor, Matt Stevenson, Jean Hamilton, Duncan Chambers, Mark Clowes, John Graham, M Satish Kumar
As part of its single technology appraisal (STA) process, the National Institute for Health and Care Excellence (NICE) invited the company that manufactures cabazitaxel (Jevtana(®), Sanofi, UK) to submit evidence for the clinical and cost effectiveness of cabazitaxel for treatment of patients with metastatic hormone-relapsed prostate cancer (mHRPC) previously treated with a docetaxel-containing regimen. The School of Health and Related Research Technology Appraisal Group at the University of Sheffield was commissioned to act as the independent Evidence Review Group (ERG)...
October 22, 2016: PharmacoEconomics
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
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
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
Sofia Sousa, Jorma Määttä
This overview addresses the recent research developments in the role of tumour-associated macrophages (TAM) in bone metastasis biology and management of breast and prostate cancer as well as in primary and lung metastatic osteosarcoma. Immunosuppressive M2-type TAMs have been shown to associate with poor prognosis. Throughout their life cycle, macrophages (Macs) can adapt to environmental cues and influence the surroundings by secreting different cytokines and enzymes crucial to matrix remodelling, infection fighting, immune regulation and/or inflammation...
September 2016: Journal of Bone Oncology
A M Decker, Y Jung, F Cackowski, R S Taichman
Approximately 80% of prostate cancers exhibit some degree of bone metastasis. The role of the bone marrow and the hematopoietic stem cell (HSC) niche in attracting metastatic cells and maintaining dormancy of disseminated tumor cells (DTCs) is an increasingly important topic towards the development of novel prostate cancer therapies. This paper reviews aspects of the HSC niche that lead to prostate cancer cell homing and dormancy in the bone marrow. This review also discusses the role of DTCs in the niche environment and discusses the role of erythropoietin in targeting DTCs within the HSC niche...
September 2016: Journal of Bone Oncology
Eugenio Zoni, Gabri van der Pluijm
The skeleton represents a common site of metastases for osteotropic cancers such as prostate and breast tumors and novel therapeutic targets and new markers for the monitoring of bone lesions are urgently needed. The formation of bone metastases is a complex process that starts at the level of the confined tumor and that is characterized by a dynamic crosstalk between the primary cancer and the future metastatic site, the bone. Factors released by the primary tumor contribute to prepare a fertile "soil", where a "pre-metastatic niche" is established prior to future colonization by cancer cells...
September 2016: Journal of Bone Oncology
Mandi M Hopkins, Kathryn E Meier
The effects of fatty acids on cancer cells have been studied for decades. The roles of dietary long-chain n-3 polyunsaturated fatty acids, and of microbiome-generated short-chain butyric acid, have been of particular interest over the years. However, the roles of free fatty acid receptors (FFARs) in mediating effects of fatty acids in tumor cells have only recently been examined. In reviewing the literature, the data obtained to date indicate that the long-chain FFARs (FFA1 and FFA4) play different roles than the short-chain FFARs (FFA2 and FFA3)...
October 19, 2016: Handbook of Experimental Pharmacology
Yoko Yamada, Nobuaki Matsubara, Ken-Ichi Tabata, Takefumi Satoh, Naoto Kamiya, Hiroyoshi Suzuki, Takashi Kawahara, Hiroji Uemura, Akihiro Yano, Satoru Kawakami
BACKGROUND: Both abiraterone acetate (AA) and enzalutamide are promising agents for patients with pre- and post-chemotherapy metastatic castration-resistant prostate cancer (mCRPC). Several retrospective analysis suggested clinical cross-resistance between these agents in patients previously treated with docetaxel. However, data on the antitumor activity of AA as a second androgen receptor-targeting new agent after the failure of enzalutamide in chemotherapy-naive mCRPC patients is unavailable...
October 18, 2016: BMC Research Notes
Chad R Ritch, Michael S Cookson
Docetaxel based chemotherapy showed survival benefit and emerged as the mainstay of treatment for castration resistant prostate cancer (CRPC) in 2004. However, therapeutic options have expanded rapidly since 2011. The spectrum of new agents is broad and includes drugs that target the androgen axis (enzalutamide, abiraterone), immunotherapy (sipuleucel-T), bone seeking radionuclides (radium-223), and second line chemotherapy (cabazitaxel). In addition, new agents have been developed to reduce skeletal related events (denosumab)...
October 17, 2016: BMJ: British Medical Journal
Roberto Fabiani, Liliana Minelli, Gaia Bertarelli, Silvia Bacci
Dietary patterns were recently applied to examine the relationship between eating habits and prostate cancer (PC) risk. While the associations between PC risk with the glycemic index and Mediterranean score have been reviewed, no meta-analysis is currently available on dietary patterns defined by "a posteriori" methods. A literature search was carried out (PubMed, Web of Science) to identify studies reporting the relationship between dietary patterns and PC risk. Relevant dietary patterns were selected and the risks estimated were calculated by a random-effect model...
October 12, 2016: Nutrients
Luis Ramudo Cela, Jesús Balea Filgueiras, José Ramón Vizoso Hermida, Isabel Martín Herranz
Abiraterone acetate is a potent and irreversible inhibitor of cytochrome p450 17A1 that suppresses androgen synthesis. It is approved for chemotherapy-naive and docetaxel-treated patients with metastatic castration-resistant prostate cancer. We describe the protocol for use of abiraterone in metastatic castration-resistant prostate cancer chemotherapy naive patients has been implanted in our centre and we review the cases of those patients whose adverse effects have forced the discontinuation of treatment. The side effects fit the safety profile of abiraterone, speed of their appearance and severity indicate that you should perform a thorough follow-up of these patients especially in the early phases of treatment...
October 16, 2016: Journal of Oncology Pharmacy Practice
Daniel Nava Rodrigues, Gunther Boysen, Semini Sumanasuriya, George Seed, Angelo M De Marzo, Johann de Bono
Prostate cancer (PCa) is a clinically heterogeneous disease and current treatment strategies are based largely on anatomical and pathological parameters. In the recent past, several DNA sequencing studies of primary and advanced PCa have revealed recurrent patterns of genomic aberrations that expose mechanisms of resistance to available therapies and potential new drug targets. Suppression of androgen receptor (AR) signalling is the cornerstone of advanced prostate cancer treatment. Genomic aberrations of the androgen receptor or alternative splicing of its mRNA are increasingly recognized as biomarkers of resistance to AR-targeted therapy such as abiraterone or enzalutamide...
October 18, 2016: Journal of Pathology
Simon B Zeichner, Christine Stanislaw, Jane L Meisel
In recent years, we have learned a great deal about pathogenic mutations that increase the risk of breast and ovarian cancer, particularly mutations in the BRCA1 and BRCA2 genes. Here we review current guidelines on breast and ovarian cancer screening, prophylactic surgery, and other risk-reduction strategies in patients with these mutations, and we detail the data that drive these recommendations. We also discuss guidelines on screening and management for other cancers associated with BRCA1 and BRCA2, such as male breast cancer, pancreatic cancer, and prostate cancer...
October 15, 2016: Oncology (Williston Park, NY)
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