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https://www.readbyqxmd.com/read/29792972/association-between-early-confirmatory-testing-and-the-adoption-of-active-surveillance-for-men-with-favorable-risk-prostate-cancer
#1
Deborah R Kaye, Ji Qi, Todd M Morgan, Susan Linsell, Brian R Lane, James E Montie, Michael L Cher, David C Miller
OBJECTIVE: To examine the relationship between the use and results of early confirmatory testing and persistence on active surveillance (AS). METHODS: We identified all men in the MUSIC registry diagnosed with favorable-risk prostate cancer from 01/2016-02/2017. We next examined trends in the use of early confirmatory test(s), defined as repeat biopsy, prostate MRI and/or molecular classifiers obtained within 6-months of the initial cancer diagnosis, in patients with favorable-risk prostate cancer...
May 21, 2018: Urology
https://www.readbyqxmd.com/read/29792952/anticancer-mechanism-of-sinapic-acid-in-pc-3-and-lncap-human-prostate-cancer-cell-lines
#2
Canan Eroğlu, Ebru Avcı, Hasibe Vural, Ercan Kurar
Sinapic acid (SA) is a derivative of hydroxycinnamic acid and found in various vegetables and fruit species. Aim was to evaluate the anticancer effects of SA in PC-3 and LNCaP human prostate cancer cells. The effect of SA on cell viability was determined using XTT assay. Expressions of 8 genes for apoptosis and 6 genes for metastasis were evaluated by qPCR. Caspase-3 activity was determined using caspase-3 colorimetric assay kit. Effect of SA on cell invasion was evaluated with cell invasion assay. The IC50 dose of SA in PC-3 and LNCaP cells was found to be 1000 μM for 72 h...
May 21, 2018: Gene
https://www.readbyqxmd.com/read/29792732/phosphatidylinositol-3-kinase-%C3%AE-and-%C3%AE-isoforms-play-key-roles-in-metastasis-of-prostate-cancer-du145-cells
#3
Zhe Zhang, Jie Liu, Yingying Wang, Xiao Tan, Wennan Zhao, Xiaoxue Xing, Yuling Qiu, Ran Wang, Meihua Jin, Guanwei Fan, Ping Zhang, Yuxu Zhong, Dexin Kong
Metastasis is the main cause of the lethality of prostate cancer. Class I phosphatidylinositol 3-kinases (PI3Ks), which contain 4 isoforms, α, β, δ, and γ, are known to play important roles in cell growth, migration, invasion, and so on. However, the respective role of each PI3K isoform in cancer cell migration and invasion remains unknown. In a study that aimed to elucidate the respective role of the 4 PI3K isoforms, we investigated the change in migratory and invasive ability of DU145 cells after treatment with each PI3K isoform-specific inhibitor...
May 24, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29792703/structure-based-design-of-inhibitors-with-improved-selectivity-for-steroidogenic-cytochrome-p450-17a1-over-cytochrome-p450-21a2
#4
Charlie Fehl, Caleb D Vogt, Rahul Yadav, Kelin Li, Emily E Scott, Jeffrey Aubé
Inhibition of androgen biosynthesis is clinically effective for treating androgen-responsive prostate cancer. Abiraterone is a clinical first-in-class inhibitor of cytochrome P450 17A1 (CYP17A1) required for androgen biosynthesis. However, abiraterone also causes hypertension, hypokalemia, and edema, likely due in part to off-target inhibition of another steroidogenic cytochrome P450, CYP21A2. Abiraterone analogs were designed based on structural evidence that B-ring substituents may favorably interact with polar residues in binding CYP17A1 and sterically clash with residues in the CYP21A2 active site...
May 24, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29792652/prostate-cancer-local-treatment-after-radiorecurrence-salvage-cryoablation
#5
EDITORIAL
Rodrigo Donalisio da Silva, Fernando J Kim
No abstract text is available yet for this article.
May 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29792651/prostate-cancer-local-treatment-after-radiorecurrence-surgery-back-to-the-future
#6
EDITORIAL
Leonardo O Reis, Paul L Nguyen
No abstract text is available yet for this article.
May 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29792650/prostate-cancer-local-treatment-after-radiorecurrence-hifu-high-intensity-focused-ultrasound
#7
EDITORIAL
Stenio de Cassio Zequi, Thiago Camelo Mourão, Gustavo Cardoso Guimarães
No abstract text is available yet for this article.
May 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29792360/newer-human-inosine-5-monophosphate-dehydrogenase-2-himpdh2-inhibitors-as-potential-anticancer-agents
#8
Chetan P Shah, Prashant S Kharkar
Human inosine 5'-monophosphate dehydrogenase 2 (hIMPDH2), being an age-old target, has attracted attention recently for anticancer drug development. Mycophenolic acid (MPA), a well-known immunosuppressant drug, was used a lead structure to design and develop modestly potent and selective analogues. The steep structure-activity relationship (SAR) requirements of the lead molecule left little scope to synthesise newer analogues. Here, newer MPA amides were designed, synthesised and evaluated for hIMPDH2 inhibition and cellular efficacy in breast, prostate and glioblastoma cell lines...
December 2018: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/29792311/pedf-regulates-plasticity-of-a-novel-lipid-mtoc-axis-in-prostate-cancer-associated-fibroblasts
#9
Francesca Nardi, Philip Fitchev, Omar E Franco, Jelena Ivanisevic, Adrian Scheibler, Simon W Hayward, Charles B Brendler, Michael A Welte, Susan E Crawford
Prostate tumors make metabolic adaptations to ensure adequate energy and amplify cell cycle regulators such as centrosomes to sustain their proliferative capacity. It is not known whether cancer associated fibroblasts (CAFs) undergo metabolic re-programming. We postulated that CAFs augment lipid storage and amplify centrosomal or non-centrosomal microtubule organizing centers (MTOCs) through a pigment epithelium-derived factor (PEDF)-dependent lipid-MTOC signaling axis. Primary normal human prostate fibroblasts (NFs) and CAFs were evaluated for lipid content, triacylglycerol-regulating proteins, MTOC number and distribution...
May 23, 2018: Journal of Cell Science
https://www.readbyqxmd.com/read/29792198/radioligand-therapy-of-metastatic-castration-resistant-prostate-cancer-current-approaches
#10
REVIEW
Zool Hilmi Awang, Markus Essler, Hojjat Ahmadzadehfar
Prostate Cancer is the forth most common type of cancer. Prostate-specific membrane antigen (PSMA) is anchored in the cell membrane of prostate epithelial cells. PSMA is highly expressed on prostate epithelial cells and strongly up-regulated in prostate cancer. Therefore it is an appropriate target for diagnostic and therapy of prostate cancer and its metastases. This article discusses several articles on radionuclide treatments in prostate cancer and the results on PSMA therapy with either beta or alpha emitters as a salvage therapy...
May 23, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29790951/internet-use-and-preventive-health-behaviors-among-couples-in-later-life-evidence-from-the-health-and-retirement-study
#11
Sangbo Nam, Sae Hwang Han, Megan Gilligan
Background and Objectives: The aim of this study was to examine the link between internet use and preventive health behaviors. We focused on couples to examine whether there were cross-partner associations between internet use and preventive health behaviors. Research Design and Methods: The data for this study came from the 2010 and 2012 waves of the Health and Retirement Study and the sample consisted of 5,143 pairs of coupled-individuals. Preventive health behaviors included cancer screenings (mammogram and prostate tests), cholesterol tests, and flu shots...
May 22, 2018: Gerontologist
https://www.readbyqxmd.com/read/29790867/fluorine-18-fluorocholine-pet-ct-parameters-predictive-for-hematological-toxicity-to-radium-223-therapy-in-castrate-resistant-prostate-cancer-patients-with-bone-metastases-a-pilot-study
#12
Lavinia Vija Racaru, Mathieu Sinigaglia, Salim Kanoun, Fayçal Ben Bouallègue, Ilan Tal, Sévérine Brillouet, Mathilde Bauriaud-Mallet, Slimane Zerdoud, Lawrence Dierickx, Delphine Vallot, Olivier Caselles, Erwan Gabiache, Pierre Pascal, Frederic Courbon
PURPOSE: This study aims to predict hematological toxicity induced by Ra therapy. We investigated the value of metabolically active bone tumor volume (MBTV) and total bone lesion activity (TLA) calculated on pretreatment fluorine-18-fluorocholine (F-FCH) PET/CT in castrate-resistant prostate cancer (CRPC) patients with bone metastases treated with Ra radionuclide therapy. PATIENTS AND METHODS: F-FCH PET/CT imaging was performed in 15 patients with CRPC before treatment with Ra...
May 21, 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29790741/entrapment-of-prostate-cancer-circulating-tumor-cells-with-a-sequential-size-based-microfluidic-chip
#13
Xiang Ren, Brittni Foster, Parham Ghassemi, Jeannine S Strobl, Bethany A Kerr, Masoud Agah
Circulating tumor cells (CTCs) are broadly accepted as an indicator for early cancer diagnosis and disease severity. However, there is currently no reliable method available to capture and enumerate all CTCs as most systems require either an initial CTC isolation or antibody-based capture for CTC enumeration. Many size-based CTC detection and isolation microfluidic platforms were presented in the past few years. Here we describe a new size-based, multiple-row cancer cell entrapment device that captured LNCaP-C4-2 prostate cancer cells with >95% efficiency when in spiked mouse whole blood at ~50 cells/mL...
May 23, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29790667/differences-in-cancer-survival-among-white-and-black-cancer-patients-by-presence-of-diabetes-mellitus-estimations-based-on-seer-medicare-linked-data-resource
#14
Clara Lam, Kathleen Cronin, Rachel Ballard, Angela Mariotto
Diabetes prevalence and racial health disparities in the diabetic population are increasing in the US. Population-based cancer-specific survival estimates for cancer patients with diabetes have not been assessed. The Surveillance, Epidemiology, and End Results (SEER)-Medicare linkage provided data on cancer-specific deaths and diabetes prevalence among 14 separate cohorts representing 1 068 098 cancer patients ages 66 +  years diagnosed between 2000 and 2011 in 17 SEER areas. Cancer-specific survival estimates were calculated by diabetes status adjusted by age, stage, comorbidities, and cancer treatment, and stratified by cancer site and sex with whites without diabetes as the reference group...
May 23, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29790383/focal-treatment-for-unilateral-prostate-cancer-using-hifu-a-comprehensive-study-of-pooled-data
#15
Simone Albisinni, Christian Melot, Fouad Aoun, Ksenija Limani, Alexandre Peltier, Pascal Rischmann, Roland van Velthoven
BACKGROUND: Focal therapy for prostate cancer (PCa) remains experimental. Aim of the current study is to review available evidence and perform a pooled analysis exploring oncologic and functional results of High Intensity Focal Ultrasound (HIFU) focal therapy for the treatment of unilateral PCa. METHODS: The National Library of Medicine Database was searched for relevant articles. A wide search was performed including the combination of following words: "HIFU", "prostate", "cancer", "focal"...
May 23, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29790189/the-identification-of-a-novel-antibody-for-cd133-using-human-antibody-phage-display
#16
Paige M Glumac, Colleen L Forster, Hong Zhou, Paari Murugan, Shilpa Gupta, Aaron M LeBeau
BACKGROUND: The transmembrane glycoprotein CD133 is believed to be a marker of adult prostate stem cells and cancer stem/initiating cells. Investigating the role of CD133 in the normal biology of the prostate and in cancer is complicated by the lack of a sensitive and accurate antibody for its detection. Here, we describe the characterization of a unique antibody identified using human antibody phage display that can recognize CD133 in both formalin-fixed tissues and cell lines. METHODS: A human single-chain variable fragment (scFv) antibody phage display library possessing a diversity of 8 × 109 was screened against fully glycosylated recombinant CD133...
May 22, 2018: Prostate
https://www.readbyqxmd.com/read/29790063/in-vitro-and-in-vivo-evaluation-of-antitumor-activity-of-ligustrum-robustum-a-chinese-herbal-tea
#17
Hao-Jiang Zuo, Shan Liu, Chun Yan, Li-Man Li, Xiao-Fang Pei
OBJECTIVE: To examine the effect of the aqueous extract of Ligustrum robustum on tumor growth in vitro and in vivo and explore the possible molecular mechanisms. METHODS: In in vitro study, cell viabilities of human cervical carcinoma cells (HeLa), human breast cancer cells (MCF-7), human prostate cancer cells (PC-3), human hepatoma cells (7721) and human colon carcinoma cells (SW480) were evaluated with cell counting kit-8. For L. robustum-treated Hela cells, early or late apoptosis were evaluated by annexin V/PI staining...
May 22, 2018: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29789909/fast-3-t-mr-guided-transrectal-prostate-biopsy-using-an-in-room-tablet-device-for-needle-guide-alignment-a-feasibility-study
#18
Christiaan G Overduin, Jan Heidkamp, Eva Rothgang, Jelle O Barentsz, Frank de Lange, Jurgen J Fütterer
OBJECTIVES: To assess the feasibility of adding a tablet device inside the scanner room to assist needle-guide alignment during magnetic resonance (MR)-guided transrectal prostate biopsy. METHODS: Twenty patients with one cancer-suspicious region (CSR) with PI-RADS score ≥ 4 on diagnostic multiparametric MRI were prospectively enrolled. Two orthogonal scan planes of an MR fluoroscopy sequence (~3 images/s) were aligned to the CSR and needle-guide pivoting point...
May 22, 2018: European Radiology
https://www.readbyqxmd.com/read/29789876/-new-treatment-option-apalutamide-for-nonmetastatic-castration-resistant-prostate-cancer
#19
B Hadaschik, A Panic
No abstract text is available yet for this article.
May 22, 2018: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/29789815/challenging-case-robot-assisted-laparoscopic-prostatectomy-after-prior-suprapubic-open-prostatectomy
#20
Shirin Razdan, Sanjay Razdan
Introduction: Given the ubiquity of robot-assisted laparoscopic prostatectomy (RALP) for treatment of localized prostate cancer, more surgeons are encountering challenging cases, either secondary to difficult anatomy, prior abdominal surgery, or prior radiation therapy. Our case is of RALP in a patient after prior suprapubic prostatectomy. Case Presentation: A 61-year-old otherwise healthy Hispanic gentleman presented for consultation after being found to have Gleason 4 + 4 = 8 prostate cancer on transrectal ultrasound-guided biopsy by an outside provider in July 2017...
2018: Journal of Endourology Case Reports
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