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https://www.readbyqxmd.com/read/29053897/scientists-investigate-the-application-of-immunotherapy-to-many-cancer-sites-breast-and-prostate-cancers-prove-more-challenging-but-progress-is-occurring
#1
https://www.readbyqxmd.com/read/29053678/assay-for-phosphorylation-and-microtubule-binding-along-with-localization-of-tau-protein-in-colorectal-cancer-cells
#2
Md Nazmul Huda, Erdenedolgor Erdene-Ochir, Cheol-Ho Pan
The microtubule-associated protein tau is a neuronal protein that localizes mostly in axons. Generally tau is essential for normal neuronal functioning because it is involved in microtubule assembly and stabilization. Besides neurons, tau is expressed in human breast, prostate, gastric, colorectal, and pancreatic cancers where it shows nearly similar structure and exerts similar functions as the neuronal tau. The amount of tau and its phosphorylation can change its function as a stabilizer of microtubules, and lead to the development of paired helical filaments in different neurodegenerative disorders, such as Alzheimer's disease...
October 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29053613/advances-in-biomarkers-for-pca-diagnostics-and-prognostics-a-way-towards-personalized-medicine
#3
EDITORIAL
Carsten Stephan, Klaus Jung
Prostate cancer (PCa) is, with an estimated number of 161,360 cases and 26,730 deaths in 2017, the most common malignancy in the USA [...].
October 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29053402/what-are-we-missing-false-negative-cancers-at-multiparametric-mr-imaging-of-the-prostate
#4
Samuel Borofsky, Arvin K George, Sonia Gaur, Marcelino Bernardo, Matthew D Greer, Francesca V Mertan, Myles Taffel, Vanesa Moreno, Maria J Merino, Bradford J Wood, Peter A Pinto, Peter L Choyke, Baris Turkbey
Purpose To characterize clinically important prostate cancers missed at multiparametric (MP) magnetic resonance (MR) imaging. Materials and Methods The local institutional review board approved this HIPAA-compliant retrospective single-center study, which included 100 consecutive patients who had undergone MP MR imaging and subsequent radical prostatectomy. A genitourinary pathologist blinded to MP MR findings outlined prostate cancers on whole-mount pathology slices. Two readers correlated mapped lesions with reports of prospectively read MP MR images...
October 20, 2017: Radiology
https://www.readbyqxmd.com/read/29053177/early-effect-of-medicare-shared-savings-program-accountable-care-organization-participation-on-prostate-cancer-care
#5
Tudor Borza, Samuel R Kaufman, Phyllis Yan, Lindsey A Herrel, Amy N Luckenbaugh, David C Miller, Ted A Skolarus, Bruce L Jacobs, John M Hollingsworth, Edward C Norton, Vahakn B Shahinian, Brent K Hollenbeck
BACKGROUND: Accountable care organizations (ACOs) can improve prostate cancer care by decreasing treatment variations (ie, avoidance of treatment in low-value settings). Herein, the authors performed a study to understand the effect of Medicare Shared Savings Program ACOs on prostate cancer care. METHODS: Using a 20% Medicare sample, the authors identified men with newly diagnosed prostate cancer from 2010 through 2013. Rates of treatment, potential overtreatment (ie, treatment in men with a ≥75% chance of 10-year mortality from competing risks), and Medicare payments were measured using regression models...
October 20, 2017: Cancer
https://www.readbyqxmd.com/read/29052905/metabolic-changes-in-patients-with-prostate-cancer-during-androgen-deprivation-therapy
#6
REVIEW
Koji Mitsuzuka, Yoichi Arai
Androgen deprivation therapy continues to be widely used for the treatment of prostate cancer despite the appearance of new-generation androgen-receptor targeting drugs after 2000. Androgen deprivation therapy can alleviate symptoms in patients with metastatic prostate cancer and might have a survival benefit in some patients, but it causes undesirable changes in lipid, glucose, muscle or bone metabolism. These metabolic changes could lead to new onset or worsening of diseases, such as obesity, metabolic syndrome, diabetes mellitus, cardiovascular disease, sarcopenia or fracture...
October 20, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/29052761/does-surgical-delay-for-radical-prostatectomy-affect-biochemical-recurrence-a-retrospective-analysis-from-a-canadian-cohort
#7
Marc Zanaty, Mansour Alnazari, Khaled Ajib, Kelsey Lawson, Mounsif Azizi, Emad Rajih, Abdullah Alenizi, Pierre-Alain Hueber, Côme Tolmier, Malek Meskawi, Fred Saad, Raisa S Pompe, Pierre I Karakiewicz, Assaad El-Hakim, Kevin C Zorn
AIM: We sought to explore the impact of surgical wait time (SWT) to robot-assisted radical prostatectomy (RARP) on biochemical recurrence (BCR). METHOD: Retrospective review of a prospectively collected database between 2006 and 2015 was conducted on all RARP cases. SWT was defined as period from prostate biopsy to surgery. Primary outcome was the impact on BCR, which was defined as two consecutive PSA ≥ 0.2 ng/dl, or salvage external beam radiation therapy and/or salvage androgen deprivation therapy...
October 20, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/29052664/a-qualitative-study-exploring-models-of-supportive-care-in-men-and-their-partners-caregivers-affected-by-metastatic-prostate-cancer
#8
Charlotte Primeau, Catherine Paterson, Ghulam Nabi
PURPOSE/OBJECTIVES: To explore the experiences of patients with metastatic prostate cancer and their partners/caregivers, as well as an interprofessional team, with a nurse-led multimodality supportive care intervention. 
. RESEARCH APPROACH: Qualitative study. 
. SETTING: National Health Service (NHS), Tayside, Scotland.
. PARTICIPANTS: 19 patients, 7 partners/caregivers, and 7 interprofessional members from four hospitals in NHS, Tayside, Scotland...
November 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/29052565/factors-predicting-late-rectal-disorders-after-radiation-therapy-for-prostate-cancer
#9
Toshiya Maebayashi, Naoya Ishibashi, Takuya Aizawa, Masakuni Sakaguchi, Hideki Sato, Katsuhiko Sato, Tsuyoshi Matsui, Kenya Yamaguchi, Satoru Takahashi
BACKGROUND: Although various studies have been conducted on the effects of radiation therapy for prostate cancer, rectal toxicity after radiation therapy for prostate cancer, which is an important late adverse event associated with radiation therapy, has not been sufficiently examined. This study aimed to assess the associations of late rectal disorder (LRD) with dosimetric, anatomic, and clinical factors in patients with prostate cancer who underwent three-dimensional conformal radiation therapy (3D-CRT)...
October 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29052442/denosumab-for-the-treatment-of-bone-disease-in-solid-tumors-and-multiple-myeloma
#10
Andrew J Yee, Noopur S Raje
Bone is a common site for malignant involvement, either as a site of metastasis, especially in breast or prostate cancer, or as a defining characteristic of the disease, as in multiple myeloma. Bone disease is a major source of morbidity, and half of patients with bone involvement develop skeletal-related events such as pathological fractures or cord compression requiring surgery and/or radiation. Skeletal involvement also increases mortality, as pathologic fractures increase the risk of dying by 20-40%. Osteoclast inhibition with bisphosphonates such as zoledronic acid and recently denosumab has been a significant improvement for bone disease...
October 20, 2017: Future Oncology
https://www.readbyqxmd.com/read/29052039/qualitative-evaluation-of-mobile-cancer-apps-with-particular-attention-to-the-target-group-content-and-advertising
#11
Cathleen Böhme, Marc Baron von Osthoff, Katrin Frey, Jutta Hübner
PURPOSE: Medical apps are gaining importance rapidly. Also in the field of cancer care, apps are offered. Yet, so far little is known with respect to their quality. METHODS: In a pilot phase we developed a rating tool based on formal and content-related criteria for the assessment of cancer apps. We used this instrument on cancer apps available in the App Store (iOS) concerning breast, prostate and colorectal cancer. The results were stratified according to target group, content and advertising...
October 19, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29052027/four-new-diterpenoid-alkaloids-from-aconitum-japonicum-subsp-subcuneatum
#12
Hiroshi Yamashita, Keiko Takeda, Machiko Haraguchi, Yuki Abe, Natsumi Kuwahara, Shota Suzuki, Ayaka Terui, Takumi Masaka, Naoko Munakata, Mariko Uchida, Masashi Nunokawa, Kyousuke Kaneda, Masuo Goto, Kuo-Hsiung Lee, Koji Wada
Diterpenoid alkaloids with remarkable chemical properties and biological activities are frequently found in plants of the genera Aconitum, Delphinium, and Garrya. Accordingly, several diterpenoid alkaloid constituents of Aconitum and Delphinium plants as well as their derivatives exhibited cytotoxic activity against lung, prostate, nasopharyngeal, and vincristine-resistant nasopharyngeal cancer cell lines. Four new C19-diterpenoid alkaloids, 14-anisoyllasianine (1), 14-anisoyl-N-deethylaconine (2), N-deethylaljesaconitine A (3), and N-deethylnevadensine (4), together with 17 known C19- and C20-diterpenoid alkaloids, were isolated in a phytochemical investigation of rhizoma of Aconitum japonicum THUNB...
October 19, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/29051709/effect-of-androgen-deprivation-therapy-on-bone-mineral-density-in-a-prostate-cancer-cohort-in-new-zealand-a-pilot-study
#13
Alice Wang, Nishi Karunasinghe, Lindsay Plank, Shuotun Zhu, Sue Osborne, Karen Bishop, Charis Brown, Tiffany Schwass, Jonathan Masters, Michael Holmes, Roger Huang, Christine Keven, Lynnette Ferguson, Ross Lawrenson
INTRODUCTION: Reduction in bone mineral density (BMD) is a common side effect of androgen deprivation therapy (ADT). We aimed to examine the cross-sectional and longitudinal variation in BMD and associated bone markers in patients with nonmetastatic prostate cancer (PCa) managed with and without ADT. METHODS: Bone mineral density of the total body, lumbar spine, femoral neck, ultradistal forearm, and one-third distal radius was measured in 88 patients with PCa without bone metastases at baseline and at 6 months...
2017: Clinical Medicine Insights. Oncology
https://www.readbyqxmd.com/read/29051371/adrenergic-nerves-activate-an-angio-metabolic-switch-in-prostate-cancer
#14
Ali H Zahalka, Anna Arnal-Estapé, Maria Maryanovich, Fumio Nakahara, Cristian D Cruz, Lydia W S Finley, Paul S Frenette
Nerves closely associate with blood vessels and help to pattern the vasculature during development. Recent work suggests that newly formed nerve fibers may regulate the tumor microenvironment, but their exact functions are unclear. Studying mouse models of prostate cancer, we show that endothelial β-adrenergic receptor signaling via adrenergic nerve-derived noradrenaline in the prostate stroma is critical for activation of an angiogenic switch that fuels exponential tumor growth. Mechanistically, this occurs through alteration of endothelial cell metabolism...
October 20, 2017: Science
https://www.readbyqxmd.com/read/29051161/prostate-cancer-cells-express-more-androgen-receptor-ar-following-androgen-deprivation-improving-recognition-by-ar-specific-t-cells
#15
Brian M Olson, Melissa Gamat, Joseph Seliski, Thomas Sawicki, Justin Jeffery, Leigh Ellis, Charles G Drake, Jamey Weichert, Douglas G McNeel
Androgen deprivation is the primary therapy for recurrent prostate cancer, and agents targeting the androgen receptor (AR) pathway continue to be developed. Because androgen-deprivation therapy (ADT) has immmunostimulatory effects as well as direct antitumor effects, AR-targeted therapies have been combined with other anti-cancer therapies, including immunotherapies. Here, we sought to study whether an antigen-specific mechanism of resistance to ADT (overexpression of the AR) may result in enhanced AR-specific T-cell immune recognition, and whether this might be strategically combined with an antitumor vaccine targeting the AR...
October 19, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/29051056/recovery-of-serum-testosterone-levels-and-sexual-function-in-patients-treated-with-short-term-luteinizing-hormone-releasing-hormone-antagonist-as-a-neoadjuvant-therapy-before-external-radiotherapy-for-intermediate-risk-prostate-cancer-preliminary-prospective
#16
Takahiro Inoue, Takashi Mizowaki, Daijiro Kabata, Ayumi Shintani, Naoki Terada, Toshinari Yamasaki, Hiromitsu Negoro, Takashi Kobayashi, Kiyonao Nakamura, Haruo Inokuchi, Osamu Ogawa
INTRODUCTION: External beam radiation therapy (EBRT) with short-term androgen deprivation therapy is the standard of care for intermediate-risk prostate cancer patients. However, no study to date has evaluated the hormonal kinetics or sexual and hormonal function recovery after cessation of short-term luteinizing hormone (LH)-releasing hormone (LHRH) antagonist treatment. PATIENTS AND METHODS: Ten intermediate-risk prostate cancer patients (mean age, 69.9 years) were included...
September 23, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29051038/image-guided-radiation-therapy-strategies-for-pelvic-lymph-node-irradiation-in-high-risk-prostate-cancer-motion-and-margins
#17
Lucy Kershaw, Laila van Zadelhoff, Wilma Heemsbergen, Floris Pos, Marcel van Herk
PURPOSE: To quantify the relative motion of the pelvic lymph nodes (LNs), seminal vesicles (SV) and prostate and define indicative margins for image-guided radiotherapy based on bony anatomy or prostate correction strategies for a 3 or 6 degrees-of-freedom couch. METHODS AND MATERIALS: Nineteen patients had a planning computed tomography (CT) scan followed by a mean of 11 repeated CT scans during radiation therapy. The prostate, SV, and external and internal iliac LN regions on the left and right were outlined on each CT scan...
September 8, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29051016/patterns-of-prostate-specific-antigen-test-use-in-the-u-s-2005-2015
#18
Zahava Berkowitz, Jun Li, Thomas B Richards, Pamela M Marcus
INTRODUCTION: Recommendations for prostate-specific antigen-based screening for prostate cancer are placing increasing emphasis on men aged 55-69 years. The goal of the current study is to describe patterns of population-based prostate-specific antigen testing with details about that age group. METHODS: National Health Interview Surveys from 2005 to 2015 were analyzed in 2017 to estimate routine prostate-specific antigen testing in the past year from self-reported data by age group (40-54, 55-69, ≥70 years), and also by risk group, defined as African American men or men with a family history of prostate cancer versus other men...
October 16, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29050953/dual-energy-ct-based-proton-range-prediction-in-head-and-pelvic-tumor-patients
#19
Patrick Wohlfahrt, Christian Möhler, Kristin Stützer, Steffen Greilich, Christian Richter
BACKGROUND AND PURPOSE: To reduce range uncertainty in particle therapy, an accurate computation of stopping-power ratios (SPRs) based on computed tomography (CT) is crucial. Here, we assess range differences between the state-of-the-art CT-number-to-SPR conversion using a generic Hounsfield look-up table (HLUT) and a direct patient-specific SPR prediction (RhoSigma) based on dual-energy CT (DECT) in 100 proton treatment fields. MATERIAL AND METHODS: For 25 head-tumor and 25 prostate-cancer patients, the clinically applied treatment plan, optimized using a HLUT, was recalculated with RhoSigma as CT-number-to-SPR conversion...
October 16, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29050933/foxk1-plays-an-oncogenic-role-in-the-development-of-esophageal-cancer
#20
Di Chen, Kai Wang, Xiaowei Li, Mingzuo Jiang, Lu Ni, Bing Xu, Yi Chu, Weijie Wang, Hua Wang, Huijie Kang, Kaichun Wu, Jie Liang, Gui Ren
Forkhead box k1 (FOXK1) is a member of the FOX class of transcription factors and it is dysregulated in many solid tumors including hepatocellular carcinoma, gastric cancer, colorectal cancer and prostate cancer. However, the expression status of FOXK1 and its clinical significance in esophageal cancer (EC) is still uncertain. Our study aimed at investigating the significance of FOXK1 expression in human EC and its biological function in the development of EC. We found that FOXK1 was overexpressed in EC tissues compared with corresponding non-tumor tissues using immunohistochemistry...
October 16, 2017: Biochemical and Biophysical Research Communications
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