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Prostate cancer review

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https://www.readbyqxmd.com/read/28213657/the-roles-of-uvb-and-vitamin-d-in-reducing-risk-of-cancer-incidence-and-mortality-a-review-of-the-epidemiology-clinical-trials-and-mechanisms
#1
REVIEW
Meis Moukayed, William B Grant
Global cancer incidence and mortality rates are high and increasing. Thus, it is imperative to find novel solutions to preventing cancer incidence and treating it at an affordable yet efficacious manner. The solar UVB-vitamin D-cancer hypothesis was first proposed in 1980 based on a geographical ecological study. Since then, numerous ecological and observational studies as well as studies of mechanisms have provided support for the hypothesis. However, observational studies have not provided consistent support, in part due to using a single blood draw from any season to use for serum 25-hydroxyvitamin D [25(OH)D] concentration in prospective studies with long follow-up times...
February 17, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28212658/c-met-expression-and-activity-in-urogenital-cancers-novel-aspects-of-signal-transduction-and-medical-implications
#2
REVIEW
Ralf Hass, Susanne Jennek, Yuanyuan Yang, Karlheinz Friedrich
C-Met is a receptor tyrosine kinase with multiple functions throughout embryonic development, organogenesis and wound healing and is expressed in various epithelia. The ligand of c-Met is Hepatocyte Growth Factor (HGF) which is secreted among others by mesenchymal stroma/stem (MSC) cells.Physiological c-Met functions are centred around processes that underly cellular motility and invasive growth. Aberrant c-Met expression and activity is observed in numerous cancers and makes major contributions to cell malignancy...
February 17, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28212531/msmb-gene-rs10993994-polymorphism-increases-the-risk-of-prostate-cancer
#3
Tao Peng, Lifeng Zhang, Lijie Zhu, Yuan-Yuan Mi
Genome-wide association studies (GWASs) identified microseminoprotein-β (MSMB) gene rs10993994 polymorphism was significantly associated with prostate cancer (PC) risk. However, the association between MSMB gene rs10993994 polymorphism and PC risk remains controversial. Therefore, we performed a systematic review and meta-analysis by searching in the databases of PubMed, and Embase. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated by using fixed-effect or random-effect models. A total of 11 publications containing 13 case-control studies for rs10993994 polymorphism were included in our analysis...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212121/identification-and-evaluation-of-clinically-significant-prostate-cancer-a-step-towards-personalized-diagnosis
#4
Adnan Ali, Alexander Hoyle, Esther Baena, Noel W Clarke
PURPOSE OF REVIEW: Prostate cancer (PCa) diagnostics are evolving rapidly. The quest to differentiate 'clinically significant' from 'clinically insignificant' disease has gathered momentum, leading to substantial change in traditional diagnostic approaches. Herein, we review the relevant information on currently available biomarkers and assess their ability to help physicians and patients in making a shared and personalized decision based on their individual risk of harbouring clinically significant disease...
February 16, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28212119/the-role-of-biomarkers-in-undiagnosed-men
#5
Hasan Dani, Stacy Loeb
PURPOSE OF REVIEW: This article intends to review biomarkers derived from blood, urine, and tissue that can aid in the diagnosis of prostate cancer (PCa). RECENT FINDINGS: PCa screening requires tools that complement prostate-specific antigen (PSA) with a higher specificity for clinically significant disease. Novel blood biomarkers, such as the Prostate Health Index (phi) and 4Kscore, utilize isoforms of PSA to more accurately predict high-grade PCa than traditional tools such as PSA and the percentage free-to-total PSA...
February 16, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28212112/cancer-as-robust-intrinsic-state-shaped-by-evolution-a-key-issues-review
#6
Ruoshi Yuan, Xiaomei Zhu, Gaowei Wang, Site Li, Ping Ao
Cancer is a complex disease: its pathology cannot be properly understood in terms of independent players-genes, proteins, molecular pathways, or their simple combinations. This is similar to many-body physics of a condensed phase that many important properties are not determined by a single atom or molecule. The rapidly accumulating large 'omics' data also require a new mechanistic and global underpinning to organize for rationalizing cancer complexity. A unifying and quantitative theory was proposed by some of the present authors that cancer is a robust state formed by the endogenous molecular-cellular network, which is evolutionarily built for the developmental processes and physiological functions...
February 17, 2017: Reports on Progress in Physics
https://www.readbyqxmd.com/read/28209759/revisiting-seed-and-soil-examining-the-primary-tumor-and-cancer-cell-foraging-in-metastasis
#7
Amber E de Groot, Sounak Roy, Joel S Brown, Kenneth J Pienta, Sarah R Amend
Metastasis is the consequence of a cancer cell that disperses from the primary tumor, travels throughout the body, and invades and colonizes a distant site.  Based on Paget's 1889 hypothesis, the majority of modern metastasis research focuses on the properties of the metastatic "seed and soil," but the implications of the primary tumor "soil" have been largely neglected. The rare lethal metastatic "seed" arises as a result of the selective pressures in the primary tumor. Optimal foraging theory describes how cancer cells adopt a mobile foraging strategy to balance predation risk and resource reward...
February 16, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28209634/cognitive-decline-in-prostate-cancer-patients-undergoing-adt
#8
Niamh Liana Mundell, Robin M Daly, Helen Macpherson, Steve F Fraser
Androgen deprivation therapy (ADT) is an effective and widely prescribed treatment for prostate cancer (PCa), but it is associated with multiple treatment induced adverse effects that impact on various musculoskeletal and cardiometabolic health outcomes. Emerging research has shown that ADT is also associated with cognitive impairment, which has been linked to a loss of independence, increased falls and fracture risk and greater use of medical services. The aim of this review is to outline the evidence related to the effect of ADT use on cognitive function, and propose a role for exercise training as part of usual care to prevent and/or manage cognitive impairments for PCa survivors on ADT...
February 16, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28209069/patterns-of-care-and-survival-outcomes-of-palliative-radiation-for-prostate-cancer-with-bone-metastases-comparison-of-%C3%A2-5-fractions-to-%C3%A2-10-fractions
#9
David Schreiber, Joseph Safdieh, Daniel J Becker, David Schwartz
BACKGROUND: To review the palliative radiation fractionation regimens, trends and survival of men within the National Cancer Database (NCDB) diagnosed with prostate cancer and bony metastases. METHODS: A total of 3,871 patients from the NCDB were included in the analysis (patients treated from 2004-2012). The following fractionation regimens were analyzed [8 Gy × 1, 4 Gy × 5 (short course radiation therapy)], were compared to 3 Gy × 10, 2.50 Gy × 14-15 and 2 Gy × 20-30 (long course radiation therapy)...
January 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/28208703/androgen-receptor-signaling-in-salivary-gland-cancer
#10
REVIEW
Martin G Dalin, Philip A Watson, Alan L Ho, Luc G T Morris
Salivary gland cancers comprise a small subset of human malignancies, and are classified into multiple subtypes that exhibit diverse histology, molecular biology and clinical presentation. Local disease is potentially curable with surgery, which may be combined with adjuvant radiotherapy. However, metastatic or unresectable tumors rarely respond to chemotherapy and carry a poorer prognosis. Recent molecular studies have shown evidence of androgen receptor signaling in several types of salivary gland cancer, mainly salivary duct carcinoma...
February 8, 2017: Cancers
https://www.readbyqxmd.com/read/28206697/heparanase-1-involvement-in-prostate-physiopathology
#11
REVIEW
Guilherme O Barbosa, Nilva K Cervigne, Hernandes F Carvalho, Taize M Augusto
The prostate is a compound exocrine gland of the male reproductive tract universally present in mammals. It is highly responsive to androgen and can be committed by a variety of pathological complications as prostatitis, benign and malignant proliferative changes, which may be intensified by aging. Prostate intensively turnover its extracellular matrix (ECM) either at homeostasis or disease which includes a dynamically change of glycosaminoglycan composition during the life of an individual. Among the different enzymes playing a role in such changes, Heparanase-1 is responsible for cleaving heparan sulfate (HS) at a limited number of sites, clearly involved in tissue remodeling...
February 16, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28196723/diagnostic-performance-of-prostate-imaging-reporting-and-data-system-version-2-for-detection-of-prostate-cancer-a-systematic-review-and-diagnostic-meta-analysis
#12
REVIEW
Sungmin Woo, Chong Hyun Suh, Sang Youn Kim, Jeong Yeon Cho, Seung Hyup Kim
CONTEXT: In 2015, the updated Prostate Imaging Reporting and Data System version 2 (PI-RADSv2) for the detection of prostate cancer (PCa) was established. Since then, several studies assessing the value of PI-RADSv2 have been published. OBJECTIVE: To review the diagnostic performance of PI-RADSv2 for the detection of PCa. EVIDENCE ACQUISITION: MEDLINE and EMBASE databases were searched up to December 7, 2016. We included diagnostic accuracy studies that used PI-RADSv2 for PCa detection, using prostatectomy or biopsy as the reference standard...
February 11, 2017: European Urology
https://www.readbyqxmd.com/read/28191295/small-cell-carcinoma-of-the-prostate-in-an-elderly-patient-a-case-report-and-review-of-the-literature
#13
Dale Alan Whitaker, Daniel H Miller, Niveditha Jagadesh, Gerald W Strong, Lauren Hintenlang, William B Schenk, Gregory A Broderick, Katherine S Tzou, Steven J Buskirk
Prostate cancer is the most common malignancy of men in the United States. Small-cell carcinoma (SCC), which typically presents as an aggressive lung malignancy, is a rare diagnosis within the setting of prostate cancer pathology. Due to its limited prevalence, little information regarding the treatment and prognosis of this disease in large populations is available. To date our current knowledge base is largely limited to case reports and retrospective case reviews. The mainstay of treatment for this particular histology most often involves a multimodality approach utilizing chemotherapy in conjunction with radiation therapy, androgen deprivation therapy, or prostatectomy...
November 17, 2016: Rare Tumors
https://www.readbyqxmd.com/read/28190749/role-of-radical-prostatectomy-in-metastatic-prostate-cancer-a-review
#14
REVIEW
Michael J Metcalfe, Marc C Smaldone, Daniel W Lin, Ana M Aparicio, Brian F Chapin
CONTEXT: Recent demonstration of efficacy with the use of chemohormonal therapy for men with metastatic prostate cancer (mPCa) has expanded the therapeutic options for these patients. Furthermore, multimodal therapy to treat systemic disease in the context of locoregional control has gained increasing interest. Concomitantly, the role of radical prostatectomy (RP) in multimodal treatment for locally advanced prostate cancer is expanding. As a result, there is interest in investigating the potential benefit of cytoreductive RP in mPCa...
February 9, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28190704/high-risk-prostate-cancer-and-radiotherapy-the-past-and-the-future-a-benchmark-for-a-new-mixed-beam-radiotherapy-approach
#15
Giulia Marvaso, Barbara A Jereczek-Fossa, Giulia Riva, Camilla Bassi, Cristiana Fodor, Delia Ciardo, Raffaella Cambria, Floriana Pansini, Dario Zerini, Paolo De Marco, Federica Cattani, Ottavio De Cobelli, Roberto Orecchia
BACKGROUND: The prognosis for patients with high-risk prostate cancer is poor. No consensus exists on the most effective treatment. The aim of this retrospective study was to identify the biochemical progression-free survival and the toxicity profile of patients with localized high-risk prostate cancer treated with external beam radiation therapy. These results will constitute a benchmark for a prospective "mixed beam" trial: a boost with carbon ions followed by a pelvic photon intensity-modulated radiotherapy (NCT02672449 [clinicaltrials...
January 18, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28188049/gene-polymorphism-related-individual-and-interracial-differences-in-the-outcomes-of-androgen-deprivation-therapy-for-prostate-cancer
#16
REVIEW
Naohiro Fujimoto, Masaki Shiota, Ikko Tomisaki, Akinori Minato
Among patients with prostate cancer, the prognosis after androgen deprivation therapy differs significantly among individuals and among races; however, the reasons underlying these differences are poorly understood. Several single nucleotide polymorphisms in genes associated with prostate cancer progression or castration resistance might serve as the host factor that influences prognosis and, thus, accounts for these individual and racial gaps in treatment outcomes. Accordingly, single nucleotide polymorphisms associated with treatment outcomes could be used as predictive and/or prognostic biomarkers for patient stratification and to identify personalized treatment and follow-up protocols...
January 18, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28187887/collapsed-cone-dose-calculations-for-heterogeneous-tissues-in-brachytherapy-using-primary-and-scatter-separation-source-data
#17
Anders Ahnesjö, Bob van Veelen, Åsa Carlsson Tedgren
BACKGROUND AND OBJECTIVE: Brachytherapy is a form of radiation therapy using sealed radiation sources inserted within or in the vicinity of the tumor of, e.g., gynecological, prostate or head- and neck cancers. Accurate dose calculation is a crucial part of the treatment planning. Several reviews have called for clinical software with model-based algorithms that better take into account the effects of patient individual distribution of tissues, source-channel and shielding attenuation than the commonly employed TG-43 formalism which simply map homogeneous water dose distributions onto the patient...
February 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28187264/development-of-a-combined-mr-fingerprinting-and-diffusion-examination-for-prostate-cancer
#18
Alice C Yu, Chaitra Badve, Lee E Ponsky, Shivani Pahwa, Sara Dastmalchian, Matthew Rogers, Yun Jiang, Seunghee Margevicius, Mark Schluchter, William Tabayoyong, Robert Abouassaly, Debra McGivney, Mark A Griswold, Vikas Gulani
Purpose To develop and evaluate an examination consisting of magnetic resonance (MR) fingerprinting-based T1, T2, and standard apparent diffusion coefficient (ADC) mapping for multiparametric characterization of prostate disease. Materials and Methods This institutional review board-approved, HIPAA-compliant retrospective study of prospectively collected data included 140 patients suspected of having prostate cancer. T1 and T2 mapping was performed with fast imaging with steady-state precession-based MR fingerprinting with ADC mapping...
February 10, 2017: Radiology
https://www.readbyqxmd.com/read/28185916/dna-vaccines-for-prostate-cancer
#19
REVIEW
Christopher D Zahm, Viswa Teja Colluru, Douglas G McNeel
DNA vaccines offer many advantages over other anti-tumor vaccine approaches due to their simplicity, ease of manufacturing, and safety. Results from several clinical trials in patients with cancer have demonstrated that DNA vaccines are safe and can elicit immune responses. However, to date few DNA vaccines have progressed beyond phase I clinical trial evaluation. Studies into the mechanism of action of DNA vaccines in terms of antigen-presenting cell types able to directly present or cross-present DNA-encoded antigens, and the activation of innate immune responses due to DNA itself, have suggested opportunities to increase the immunogenicity of these vaccines...
February 6, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28185462/-options-of-chemotherapy-in-the-treatment-of-prostate-cancer
#20
I Richter, J Dvořák, J Bartoš
BACKGROUND: Prostate cancer is one of the most common malignancies in men. Chemotherapy has an important role in the management of prostate cancer, especially for the treatment of castrate resistant prostate cancer (mCRPC). According to recently published studies, chemotherapy can also be used to treat advanced hormone sensitive disease. AIM: The aim of this report is to review the currently available options for chemotherapy of prostate cancer. RESULTS: Docetaxel is a chemotherapeutic agent used for standard treatment of mCRPC as 1st line therapy...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
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