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Post metastasis treatment prostate cancer

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https://www.readbyqxmd.com/read/27862841/the-ubiquitin-ligase-ube4a-inhibits-prostate-cancer-progression-by-targeting-interleukin-like-emt-inducer-ilei
#1
Yanan Sun, Xiaopeng Jia, Qiang Gao, Xing Liu, Lianguo Hou
Epithelial to mesenchymal transition (EMT) is an important prerequisite for metastasis to secondary organs. Interleukin-like EMT inducer (ILEI) protein has been shown to translationally upregulated during EMT and metastatic progression as a consequence of aberrant TGF-β signaling. Our initial evaluation of FAM3C (encoding ILEI) and ILEI expression in normal prostate (PCS-440-010) and prostate cancer cell lines (DU145, LNCaP, and PC3) revealed detectable protein expression in only LNCaP cell line even though all cell lines tested had comparable FAM3C expression...
November 10, 2016: IUBMB Life
https://www.readbyqxmd.com/read/27770303/cabazitaxel-for-hormone-relapsed-metastatic-prostate-cancer-previously-treated-with-a-docetaxel-containing-regimen-an-evidence-review-group-perspective-of-a-nice-single-technology-appraisal
#2
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
https://www.readbyqxmd.com/read/27743920/development-and-validation-of-a-24-gene-predictor-of-response-to-postoperative-radiotherapy-in-prostate-cancer-a-matched-retrospective-analysis
#3
Shuang G Zhao, S Laura Chang, Daniel E Spratt, Nicholas Erho, Menggang Yu, Hussam Al-Deen Ashab, Mohammed Alshalalfa, Corey Speers, Scott A Tomlins, Elai Davicioni, Adam P Dicker, Peter R Carroll, Matthew R Cooperberg, Stephen J Freedland, R Jeffrey Karnes, Ashley E Ross, Edward M Schaeffer, Robert B Den, Paul L Nguyen, Felix Y Feng
BACKGROUND: Postoperative radiotherapy has an important role in the treatment of prostate cancer, but personalised patient selection could improve outcomes and spare unnecessary toxicity. We aimed to develop and validate a gene expression signature to predict which patients would benefit most from postoperative radiotherapy. METHODS: Patients were eligible for this matched, retrospective study if they were included in one of five published US studies (cohort, case-cohort, and case-control studies) of patients with prostate adenocarcinoma who had radical prostatectomy (with or without postoperative radiotherapy) and had gene expression analysis of the tumour, with long-term follow-up and complete clinicopathological data...
October 12, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27683182/a-phase-ii-trial-of-abiraterone-combined-with-dutasteride-for-men-with-metastatic-castration-resistant-prostate-cancer
#4
Mary-Ellen Taplin, Rana R McKay, Lillian Werner, Elahe A Mostaghel, Rosina T Lis, Olga Voznesensky, Zhenwei Zhang, Brett Marck, Alvin M Matsumoto, Liran Domachevsky, Katherine A Zukotynski, Manoj K Bhasin, Glenn J Bubley, Bruce Montgomery, Philip W Kantoff, Steven P Balk
PURPOSE: Despite the efficacy of abiraterone, a CYP17A1 inhibitor, in metastatic castration-resistant prostate cancer (CRPC), nearly all patients develop resistance. The purpose of this phase II study was to evaluate mechanisms of resistance to more complete androgen synthesis inhibition with abiraterone and dutasteride. EXPERIMENTAL DESIGN: Eligible metastatic CRPC patients underwent a baseline metastasis biopsy. Patients received abiraterone and prednisone for two 4-week cycles...
September 28, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27659411/the-use-of-68%C3%A2-ga-psma-pet-ct-in-men-with-biochemical-recurrence-after-definitive-treatment-of-acinar-prostate-cancer
#5
Greta Meredith, David Wong, John Yaxley, Geoff Coughlin, Les Thompson, Boon Kua, Troy Gianduzzo
INTRODUCTION: Early localisation of disease recurrence after definitive treatment of prostate cancer is vital to determine suitability for salvage treatment. Our aim was to further investigate the relationship between prostate specific antigen (PSA) level and detection of suspected cancer recurrence using (68 ) Ga-PSMA PET/CT in patients with biochemical recurrence after radical prostatectomy (RP) or radiotherapy, particularly at low PSA levels. METHODS: This retrospective single tertiary referral institution cohort study of men reviewed the results of (68 ) Ga-PSMA PET/CT scans for investigation of post RP and post radiotherapy PSA recurrence following primary treatment of prostate cancer...
September 23, 2016: BJU International
https://www.readbyqxmd.com/read/27624889/targeting-protein-geranylgeranylation-slows-tumor-development-in-a-murine-model-of-prostate-cancer-metastasis
#6
Jacqueline E Reilly, Jeffrey D Neighbors, Raymond J Hohl
The isoprenoid biosynthetic pathway (IBP) plays a critical role in providing substrates and enzymes necessary for the post-translational modification and thus activation of a number of proteins involved in prostate cancer metastasis. Previous work by our lab found novel compound disodium [(6Z,11E,15E)-9-[bis(sodiooxy)phosphoryl]-17-hydroxy-2,6,12,16-tetramethyheptadeca-2,6,11,15-tetraen-9-yl]phosphonate (GGOHBP), which inhibits the IBP enzyme geranylgeranyl diphosphate synthase (GGDPS), reduced protein geranylgeranylation without altering protein farnesylation...
September 13, 2016: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/27518576/prostate-cancer-progression-and-mortality-a-review-of-diet-and-lifestyle-factors
#7
Sam F Peisch, Erin L Van Blarigan, June M Chan, Meir J Stampfer, Stacey A Kenfield
PURPOSE: To review and summarize evidence on the role of diet and lifestyle factors and prostate cancer progression, with a specific focus on habits after diagnosis and the risk of subsequent disease recurrence, progression, or death. METHODS: Given the well-documented heterogeneity of prostate cancer and the long survivorship of the majority of diagnoses, our goal was to summarize and describe modifiable risk factors for clinically relevant prostate cancer. We focused where possible on epidemiologic studies of post-diagnostic habits and prostate cancer progression, defined as recurrence (e...
August 12, 2016: World Journal of Urology
https://www.readbyqxmd.com/read/27326657/what-s-new-in-screening-in-2015
#8
Sigrid V Carlsson, Monique J Roobol
PURPOSE OF REVIEW: The aim of this review was to highlight important articles in the field of prostate cancer screening published during 2015 and early 2016. Four major areas were identified for the purpose: screening strategies, post-United States Preventive Services Task Force (USPSTF) 2011-2012, screening trends/patterns, and shared decision making. RECENT FINDINGS: Several studies furthered the evidence that screening reduces the risk of metastasis and death from prostate cancer...
September 2016: Current Opinion in Urology
https://www.readbyqxmd.com/read/27136742/efficacy-of-post-operative-radiation-in-a-prostatectomy-cohort-adjusted-for-clinical-and-genomic-risk
#9
A E Ross, R B Den, K Yousefi, B J Trock, J Tosoian, E Davicioni, D J S Thompson, V Choeurng, Z Haddad, P T Tran, E J Trabulsi, L G Gomella, C D Lallas, F Abdollah, F Y Feng, E A Klein, A P Dicker, S J Freedland, R J Karnes, E M Schaeffer
BACKGROUND: To date, there have been no published trials examining the impact of salvage radiation therapy (SRT) in the post-operative setting for prostate cancer (PCa). We conducted a retrospective, comparative study of post-operative radiation following radical prostatectomy (RP) for men with pT3 disease or positive margins (adverse pathological features, APF). METHODS: 422 PCa men treated at four institutions with RP and having APF were analyzed with a primary end point of metastasis...
September 2016: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/27031340/single-positive-lymph-node-prostate-cancer-can-be-treated-surgically-without-recurrence
#10
Dae Keun Kim, Kyo Chul Koo, Ali Abdel Raheem, Ki Hong Kim, Byung Ha Chung, Young Deuk Choi, Koon Ho Rha
PURPOSE/OBJECTIVES: To investigate pN1 prostate cancer (PCa) patients treated surgically without immediate adjuvant treatment. MATERIALS AND METHODS: We analyzed the database of 2316 patients at our institution who underwent robot-assisted radical prostatectomy (RARP)/radical prostatectomy (RP) between July 2005 and November 2012. 87 patients with pN1 PCa and received no neoadjuvant and immediate adjuvant therapy were included in the study. Included pN1 PCa patients were followed up for median of 60 months...
2016: PloS One
https://www.readbyqxmd.com/read/27022067/a-phase-i-dose-escalation-study-of-apatorsen-ogx-427-an-antisense-inhibitor-targeting-heat-shock-protein-27-hsp27-in-patients-with-castration-resistant-prostate-cancer-and-other-advanced-cancers
#11
K N Chi, E Y Yu, C Jacobs, J Bazov, C Kollmannsberger, C S Higano, S D Mukherjee, M E Gleave, P S Stewart, S J Hotte
BACKGROUND: Heat shock protein 27 (Hsp27) is a chaperone protein that regulates cell survival via androgen receptor and other signaling pathways, thereby mediating cancer progression. Apatorsen (OGX-427) is a 2'-methoxyethyl-modified antisense oligonucleotide that inhibits Hsp27 expression. This study evaluated the safety profile and recommended phase II dosing of apatorsen in patients with advanced cancer. PATIENTS AND METHODS: Patients with castration-resistant prostate (CRPC), breast, ovary, lung, or bladder cancer were enrolled to this phase I dose-escalation study...
June 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/26970978/dissecting-the-role-of-micrornas-in-prostate-cancer-metastasis-implications-for-the-design-of-novel-therapeutic-approaches
#12
REVIEW
Valentina Doldi, Marzia Pennati, Barbara Forte, Paolo Gandellini, Nadia Zaffaroni
Metastatic prostate cancer is a lethal disease that remains incurable despite the recent approval of new drugs, thus making the development of alternative treatment approaches urgently needed. A more precise understanding of the molecular mechanisms underlying prostate cancer dissemination could lead to the identification of novel therapeutic targets for the design of efficient anti-metastatic strategies. MicroRNA (miRNAs) are endogenous, small non-coding RNA molecules acting as key regulators of gene expression at post-transcriptional level...
July 2016: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/26664778/a-22-gene-expression-assay-decipher%C3%A2-genomedx-biosciences-to-predict-five-year-risk-of-metastatic-prostate-cancer-in-men-treated-with-radical-prostatectomy
#13
Michael Marrone, Arnold L Potosky, David Penson, Andrew N Freedman
Among the estimated 230,000 men diagnosed with prostate cancer in the US each year there has been a rise in the number of radical prostatectomies (RP). There is some debate over the value of immediate adjuvant therapy following RP in men with high-risk pathological features versus delayed salvage radiation therapy when signs of disease progression are observed. Thus, it would be potentially useful to inform post-RP management strategies by more clearly identifying those patients at higher risk of progression and death from prostate cancer...
2015: PLoS Currents
https://www.readbyqxmd.com/read/26626216/validation-of-a-genomic-classifier-for-predicting-post-prostatectomy-recurrence-in-a-community-based-health-care-setting
#14
Andrew G Glass, Michael C Leo, Zaid Haddad, Kasra Yousefi, Marguerite du Plessis, Chuhe Chen, Voleak Choeurng, Firas Abdollah, Bruce Robbins, Seong Ra, Kathryn E Richert-Boe, Christine Buerki, Kathy Pearson, Elai Davicioni, Sheila Weinmann
PURPOSE: We determined the value of Decipher®, a genomic classifier, to predict prostate cancer outcomes among patients after prostatectomy in a community health care setting. MATERIALS AND METHODS: We examined the experience of 224 men treated with radical prostatectomy from 1997 to 2009 at Kaiser Permanente Northwest, a large prepaid health plan in Portland, Oregon. Study subjects had aggressive prostate cancer with at least 1 of several criteria such as preoperative prostate specific antigen 20 ng/ml or greater, pathological Gleason score 8 or greater, stage pT3 disease or positive surgical margins at prostatectomy...
June 2016: Journal of Urology
https://www.readbyqxmd.com/read/26605428/influence-of-patient-physician-and-hospital-characteristics-on-the-receipt-of-guideline-concordant-care-for-inflammatory-breast-cancer
#15
Ryan A Denu, John M Hampton, Adam Currey, Roger T Anderson, Rosemary D Cress, Steven T Fleming, Joseph Lipscomb, Susan A Sabatino, Xiao-Cheng Wu, J Frank Wilson, Amy Trentham-Dietz
PURPOSE: Inflammatory breast cancer (IBC) is an aggressive subtype of breast cancer for which treatments vary, so we sought to identify factors that affect the receipt of guideline-concordant care. METHODS: Patients diagnosed with IBC in 2004 were identified from the Breast and Prostate Cancer Data Quality and Patterns of Care Study, containing information from cancer registries in seven states. Variation in guideline-concordant care for IBC, based on National Comprehensive Cancer Network (NCCN) guidelines, was assessed according to patient, physician, and hospital characteristics...
February 2016: Cancer Epidemiology
https://www.readbyqxmd.com/read/26284395/-treatment-of-local-low-intermediate-risk-prostate-cancer-with-low-dose-rate-brachytherapy-a-report-of-133-cases-at-a-single-center
#16
Feng-bo Zhang, Yuan Du, Qiang Shao, Ye Tian
OBJECTIVE: To investigate the safety and efficacy of low dose rate brachytherapy in local low and intermediate risk prostate cancer patients. METHODS: All 133 local prostate cancer patients were included and divided into low and intermediate risk groups respectively according to Memorial Sloan Kettering Group (MSKG) definition followed by brachytherapy. All the data including prostatic specific antigen (PSA), international prostatic symptomatic score (IPSS), post-operation complications and image evaluation were collected and recorded...
August 18, 2015: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/26278649/high-subcutaneous-adipose-tissue-predicts-the-prognosis-in-metastatic-castration-resistant-prostate-cancer-patients-in-post-chemotherapy-setting
#17
RANDOMIZED CONTROLLED TRIAL
Sami Antoun, Amine Bayar, Ekatarina Ileana, Agnès Laplanche, Karim Fizazi, Mario di Palma, Bernard Escudier, Laurence Albiges, Christophe Massard, Yohann Loriot
BACKGROUND: Cancer studies have shown that body mass index (BMI), skeletal muscle mass (SMM) and adipose tissue indexes are linked to overall survival (OS) and progression-free survival (PFS). New treatments (abiraterone acetate, enzalutamide cabazitaxel, radium-223, sipuleucel-T) have improved patient outcomes in metastatic castration-resistant prostate cancer (mCRPC). Our objective was to analyse whether body composition parameters exert a prognostic role in mCRPC patients treated with next generation of androgen receptor (AR) axis inhibitors (abiraterone and enzalutamide)...
November 2015: European Journal of Cancer
https://www.readbyqxmd.com/read/26171883/integrating-chemohormonal-therapy-and-surgery-in-known-or-suspected-lymph-node-metastatic-prostate-cancer
#18
A J Zurita, L L Pisters, X Wang, P Troncoso, P Dieringer, J F Ward, J W Davis, C A Pettaway, C J Logothetis, L C Pagliaro
BACKGROUND: Prostate cancer persisting in the primary site after systemic therapy may contribute to emergence of resistance and progression. We previously demonstrated molecular characteristics of lethal cancer in the prostatectomy specimens of patients presenting with lymph node metastasis after chemohormonal treatment. Here we report the post-treatment outcomes of these patients and assess whether a link exists between surgery and treatment-free/cancer-free survival. METHODS: Patients with either clinically detected lymph node metastasis or primaries at high risk for nodal dissemination were treated with androgen ablation and docetaxel...
September 2015: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/26097863/the-role-of-osteoclasts-in-early-dissemination-of-prostate-cancer-tumor-cells
#19
J L Zalucha, Y Jung, J Joseph, J Wang, J E Berry, Y Shiozawa, R S Taichman
Prostate cancer (PCa) is one of the most common neoplasms that metastasize to bone. The aim of this study was to determine if osteoclasts play a role in the seeding of disseminated tumor cells to the bone marrow by mobilizing hematopoietic stem cells (HSCs) out of their marrow niche. Human PC-3(Luc) cells were introduced into male SCID mice by intracardiac (i.c.) injection after mice were treated with the antiresorptive agent Zoledronic Acid (bisphosphonate (BP)) and/or AMD3100, which mobilizes HSCs out of the marrow...
2015: Journal of Cancer Stem Cell Research
https://www.readbyqxmd.com/read/26070429/targeting-geranylgeranylation-reduces-adrenal-gland-tumor-burden-in-a-murine-model-of-prostate-cancer-metastasis
#20
Jacqueline E Reilly, Jeffrey D Neighbors, Huaxiang Tong, Michael D Henry, Raymond J Hohl
The isoprenoid biosynthetic pathway (IBP) is critical for providing substrates for the post-translational modification of proteins key in regulating malignant cell properties, including proliferation, invasion, and migration. Inhibitors of the IBP, including statins and nitrogenous bisphosphonates, are used clinically for the treatment of hypercholesterolemia and bone disease respectively. The statins work predominantly in the liver, while the nitrogenous bisphosphonates are highly sequestered to bone. Inhibition of the entire IBP is limited by organ specificity and side effects resulting from depletion of all isoprenoids...
August 2015: Clinical & Experimental Metastasis
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