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https://www.readbyqxmd.com/read/29150732/dimethylarginine-dimethylaminohydrolase-1-ddah1-is-frequently-upregulated-in-prostate-cancer-and-its-overexpression-conveys-tumor-growth-and-angiogenesis-by-metabolizing-asymmetric-dimethylarginine-adma
#1
Karthik Reddy Kami Reddy, Chandrashekhar Dasari, Divya Duscharla, Bhukya Supriya, N Sai Ram, M V Surekha, Jerald Mahesh Kumar, Ramesh Ummanni
Tissue microarray analysis confirmed higher dimethylarginine dimethylaminohydrolase-1 (DDAH1) expression in prostate cancer (PCa) compared to benign and normal prostate tissues. DDAH1 regulates nitric oxide (NO) production by degrading endogenous nitric oxide synthase (NOS) inhibitor, asymmetric dimethylarginine (ADMA). This study examined whether DDAH1 has any physiological role in PCa progression. Using overexpression of DDAH1 in PCa (PC3 and LNCaP) cell lines, we found that DDAH1 promotes cell proliferation, migration and invasion by lowering ADMA levels, as well as increasing NO production...
November 17, 2017: Angiogenesis
https://www.readbyqxmd.com/read/29150010/androgen-deprivation-alters-attention-to-sexually-provocative-visual-stimuli-in-elderly-men
#2
Jaime L Palmer-Hague, Vivian Tsang, Charlenn Skead, Richard J Wassersug, Eleni Nasiopoulos, Alan Kingstone
INTRODUCTION: Testosterone is known to regulate male sexual interest, but the exact way that androgens influence men's sexual cognition remains unclear. AIM: To investigate the influence of androgen deprivation (AD) on visual responses to sexually suggestive stimuli in men treated for prostate cancer with AD therapy. METHODS: Patients with AD-treated prostate cancer, patients with prostate cancer not on AD therapy, and age-matched healthy control participants were exposed to images of male and female runway models fully or minimally clothed...
December 2017: Sexual Medicine
https://www.readbyqxmd.com/read/29147733/-inhibitors-of-the-androgen-receptor-n%C3%A2-terminal-domain-therapies-targeting-the-achilles-heel-of-various-androgen-receptor-molecules-in-advanced-prostate-cancer
#3
REVIEW
M C Hupe, A Offermann, F Perabo, C Chandhasin, S Perner, A S Merseburger, M V Cronauer
Although prostate cancer responds well to primary endocrine therapies, tumor progression with castration resistant tumor cells almost invariably occurs within a few years. Unfortunately, some CRPC patients do not respond to second-line therapies with abiraterone or enzalutamide. Moreover, patients who initially responded well to second-line hormone therapy develop resistance to abiraterone and/or enzalutamide within a short period of time. Besides an increase of intracellular androgen receptor (AR) levels, the predominant resistance mechanisms include AR aberrations (point mutations, AR splice variants) occurring predominantly at the androgen or ligand binding domain of the AR...
November 16, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/29143114/cancer-vaccine-strategies-translation-from-mice-to-human-clinical-trials
#4
REVIEW
Jay A Berzofsky, Masaki Terabe, Jane B Trepel, Ira Pastan, David F Stroncek, John C Morris, Lauren V Wood
We translated two cancer vaccine strategies from mice into human clinical trials. (1) In preclinical studies on TARP, an antigen expressed in most prostate cancers, we mapped epitopes presented by HLA-A*0201, modified them to increase affinity and immunogenicity in HLA transgenic mice, and induced human T cells that killed human cancer cells ("epitope enhancement"). In a clinical trial, HLA-A2(+) prostate cancer patients with PSA biochemical recurrence (Stage D0) were vaccinated with two peptides either in Montanide-ISA51 or on autologous dendritic cells (DCs)...
November 15, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29139310/pudendal-nerve-injury-impairs-anorectal-function-and-health-related-quality-of-life-measures-%C3%A2-2-years-after-3d-conformal-radiotherapy-for-prostate-cancer
#5
Eng Eric Yeoh, Rochelle Botten, Addolorata Di Matteo, Marcus Tippett, Jonathon Hutton, Robert Fraser, Phillip G Dinning, David Wattchow
PURPOSE: To compare GI symptoms, measures of generic and disease specific health related quality of life (HRQoL), anorectal and pudendal nerve function and anal sphincter morphology between (i) patients ≥2 years after 3D conformal radiotherapy (3D-CRT)±high dose rate (HDR) brachytherapy for carcinoma of the prostate and aged matched patients before radiotherapy and (ii) symptomatic and asymptomatic patients ≥2 years after 3D-CRT ± HDR brachytherapy. MATERIAL AND METHODS: Methodology included: (i) modified LENT-SOMA scales for GI symptoms, (ii) EORTC QLQ-C30 and EORTC QLQ-PR25 questionnaires for generic and disease specific HRQoL, (iii) anorectal manometry and terminal motor latency for anorectal and pudendal nerve function and (iv) endorectal ultrasound for anal sphincter morphology...
November 15, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29138865/silencing-of-vacuolar-atpase-c%C3%A2-subunit-atp6v0c-inhibits-the-invasion-of-prostate-cancer-cells-through-a-lass2-tmsg1-independent-manner
#6
Pengcheng Zou, Yifeng Yang, Xiaoyan Xu, Beiying Liu, Fang Mei, Jiangfeng You, Qichen Liu, Fei Pei
Vacuolar ATPase (V-ATPase), widespread in eukaryotic cells, is extensively expressed in many highly metastatic tumors, of which the V-ATPase c subunit ATP6V0C is particularly associated with the invasion and metastasis of cancer. ATP6V0C was directly found to interact with LASS2/TMSG1 which is a new tumor metastasis inhibitory gene identified by our laboratory in 1999. In order to study the role of ATP6V0C, we generated small interference RNA (siRNA) targeting ATP6V0C and investigated its function on the invasion of human prostate cancer cell line PC-3M-1E8 with high metastatic potential and its interplay with LASS2/TMSG1...
November 10, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29138500/circulating-androgen-receptor-combined-with-18f-fluorocholine-pet-ct-metabolic-activity-and-outcome-to-androgen-receptor-signalling-directed-therapies-in-castration-resistant-prostate-cancer
#7
V Conteduca, E Scarpi, P Caroli, S Salvi, C Lolli, S L Burgio, C Menna, G Schepisi, S Testoni, G Gurioli, G Paganelli, V Casadio, F Matteucci, U De Giorgi
The association between choline uptake and androgen receptor (AR) expression is suggested by the upregulation of choline kinase-alpha in prostate cancer. Recently, detection of AR aberration in cell-free DNA as well as early 18F-fluorocholine positron emission tomography/computed tomography (FCH-PET/CT) were associated with outcome in metastatic castration-resistant prostate cancer (mCRPC) patients treated with abiraterone and enzalutamide. We aimed to make a direct comparison between circulating AR copy number (CN) and choline uptake at FCH-PET/CT...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29137259/iron-responsive-element-binding-protein-2-plays-an-essential-role-in-regulating-prostate-cancer-cell-growth
#8
Zhiyong Deng, David H Manz, Suzy V Torti, Frank M Torti
Iron-responsive element-binding proteins (IRPs) are master regulators of cellular iron homeostasis. Our previous work demonstrated that iron homeostasis is altered in prostate cancer and contributes to prostate cancer progression. Here we report that prostate cancer cells overexpress IRP2 and that overexpression of IRP2 drives the altered iron phenotype of prostate cancer cells. IRP2 knockdown in prostate cancer cell lines reduces intracellular iron and causes cell cycle inhibition and apoptosis. Cell cycle analysis demonstrates that IRP2-depleted prostate cancer cells accumulate in G0/G1 due to induction of p15, p21, and p27...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135150/-chronic-course-of-latent-urogenital-tuberculosis
#9
A V Lysov, V A Okhlopkov, A V Mordyk, L V Puzyreva, E M Shestak, I G Martynov
This is a case report of an elderly patient with urogenital tuberculosis and concurrent tuberculosis of peripheral inguinal lymph nodes. The disease manifested by a fistulous form of inguinal lymphadenitis for 10 years and spread to the kidneys and genitals, but the patient did not seek medical attention. Changes on the glans penis prompted him to consult dermatovenereologist. Due to ineffective treatment and uncovering the scar in the inguinal area the patient was send to an anti-tuberculosis institution, where he was diagnosed with tuberculosis involving the kidneys, prostate, epididymis, penis, inguinal lymph nodes...
October 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29135144/-the-use-of-prostadoz-in-patients-with-benign-prostatic-hyperplasia-and-coexistent-high-grade-prostatic-intraepithelial-neoplasia
#10
A G Antonov, V V Gordeev, S B Fedorchuk, D O Laptev
INTRODUCTION: In recent years there has been an increasing interest in the drug treatment of benign prostatic hyperplasia (BPH) to improve the patients quality of life without surgical treatment. In this connection, phytotherapeutic drugs and biologically active dietary supplements (BADS), consisting of a combination of microelements, vitamins and plant extracts, have been increasingly used in addition to synthetic preparations. OBJECTIVE: To investigate the clinical effectiveness of dietary supplement ProstaDoz in the treatment of BPH with coexistent high-grade prostatic intraepithelial neoplasia (PIN)...
October 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29135140/-general-clinical-and-laboratory-and-instrumental-characteristics-of-the-chronic-nonbapterial-prostatite-with-the-inflammatory-component-in-men-of-the-first-period-of-mature-age
#11
Yu Yu Vinnik, V V Borisov
AIM: To investigate the course of CNPIC in young men treated with general and local ozone therapy. MATERIALS AND METHODS: 306 patients underwent standard treatment concurrently with local and systemic ozone therapy. Clinical-laboratory and instrumental parameters were evaluated before and after treatment. In addition, the blood flow of the prostate, prostatic urethra and skin at the projection point of the prostate was studied. RESULTS: Standard treatment of CNPIC with the concurrent use of general and local ozone therapy resulted in a reduction of pain intensity and severity of dysuria, improvement of the sexual function and quality of life of men...
October 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29135073/prostate-cancer-detection-using-quantitative-t2-and-t2-weighted-imaging-the-effects-of-5-alpha-reductase-inhibitors-in-men-on-active-surveillance
#12
Francesco Giganti, Giulio Gambarota, Caroline M Moore, Nicola L Robertson, Neil McCartan, Charles Jameson, Simon R J Bott, Mathias Winkler, Brandon Whitcher, Ramiro Castro-Santamaria, Mark Emberton, Clare Allen, Alex Kirkham
BACKGROUND: T2 -weighted imaging (T2 -WI) information has been used in a qualitative manner in the assessment of prostate cancer. Quantitative derivatives (T2 relaxation time) can be generated from T2 -WI. These outputs may be useful in helping to discriminate clinically significant prostate cancer from background signal. PURPOSE/HYPOTHESIS: To investigate changes in quantitative T2 parameters in lesions and noncancerous tissue of men on active surveillance for prostate cancer taking dutasteride 0...
November 14, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29134385/robotic-assisted-multivisceral-resection-for-rectal-cancer-short-term-outcomes-at-a-single-center
#13
H Hino, T Yamaguchi, Y Kinugasa, A Shiomi, H Kagawa, Y Yamakawa, M Numata, A Furutani, Y Yamaoka, S Manabe, T Suzuki, S Kato
BACKGROUND: The safety and feasibility of robotic-assisted multivisceral resection for locally advanced rectal cancer remain unclear. The aim of this study was to assess the short-term outcomes of this procedure at our institution. METHODS: From December 2011 to December 2016, patients who underwent robotic-assisted multivisceral resection for rectal cancer were investigated. Patient demographics, treatment characteristics, perioperative outcomes, and pathological results were evaluated retrospectively...
November 13, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/29129780/prior-radiation-therapy-decreases-time-to-idiopathic-erosion-of-artificial-urinary-sphincter-a-multi-institutional-analysis
#14
Melissa R Kaufman, Douglas F Milam, Niels V Johnsen, Mario A Cleves, Joshua A Broghammer, William O Brant, LeRoy A Jones, Jeffrey D Brady, Martin S Gross, Gerard D Henry
PURPOSE: Substantial controversy and conflicting data exist regarding device survival of the artificial urinary sphincter (AUS) in patients with prior radiation therapy. Herein we present data from a multi-institutional analysis examining the effect of prior radiation for prostate cancer on device survival. MATERIALS AND METHODS: A database was compiled of AUS cuff erosion patients including demographic and comorbid patient characteristics, functional analyses, and interventions...
November 9, 2017: Journal of Urology
https://www.readbyqxmd.com/read/29129513/design-synthesis-and-biological-evaluation-of-new-%C3%AE-carboline-bisindole-compounds-as-dna-binding-photocleavage-agents-and-topoisomerase-i-inhibitors
#15
Jeshma Kovvuri, Burri Nagaraju, V Lakshma Nayak, Ravikumar Akunuri, M P Narasimha Rao, Ayyappan Ajitha, Narayan Nagesh, Ahmed Kamal
A series of new β-carboline-bisindole compounds were designed, synthesized and evaluated for their antiproliferative activity against human cancer cell lines, such as A549 (lung cancer), DU-145 (prostate cancer), HeLa (cervical cancer) and MCF-7 (breast cancer). All the compounds exhibited considerable antiproliferative activity. Among them, compounds 7g and 7r exhibited significant antiproliferative activity against DU-145 cells with IC50 values 1.86 and 1.80 μM respectively. Further, these compounds effectively inhibit DNA topoisomerase I activity and can also cleave the pBR322 plasmid upon irradiation with UV light...
October 23, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29127529/the-impact-of-prostate-cancer-diagnosis-and-treatment-decision-making-on-health-related-quality-of-life-before-treatment-onset
#16
Maarten Cuypers, Romy E D Lamers, Erik B Cornel, Lonneke V van de Poll-Franse, Marieke de Vries, Paul J M Kil
OBJECTIVE: The objective of this study is to test if patients' health-related quality of life (HRQoL) declines after prostate biopsy to detect Pca, and after subsequent treatment decision-making in case Pca is confirmed, and to test whether personality state and traits are associated with these potential changes in HRQoL. METHODS: Patients who were scheduled for prostate biopsy to detect Pca (N = 377) filled out a baseline questionnaire about HRQoL (EORTC QLQ-C30 and PR25), "big five" personality traits (BFI-10), optimism (LOT-r), and self-efficacy (Decision Self-efficacy Scale) (t0)...
November 10, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29126536/a-53-year-old-man-with-a-bronchial-mass-and-multiple-bone-lesions
#17
Sujith V Cherian, Rosa M Estrada-Y-Martin, Shahreen Billah, Annikka Weissferdt
A 53-year-old man was admitted with complaints of back pain of 3 months' duration along with numbness and weakness in his left upper and lower extremities. He denied any respiratory complaints or anorexia but did report an 11 kg weight loss over the last 3 months. He had no other significant medical history and denied any history of cigarette smoking or recreational drug use. Family history was significant for prostate cancer in his father.
November 2017: Chest
https://www.readbyqxmd.com/read/29124881/the-implications-of-baseline-bone-health-assessment-at-initiation-of-androgen-deprivation-therapy-for-prostate-cancer
#18
Peter S Kirk, Tudor Borza, Vahakn B Shahinian, Megan E V Caram, Danil V Makarov, Jeremy B Shelton, John T Leppert, Ryan M Blake, Jennifer A Davis, Brent K Hollenbeck, Anne Sales, Ted A Skolarus
OBJECTIVES: To assess bone density testing (BDT) use among prostate cancer survivors receiving ADT, and downstream implications for osteoporosis and fracture diagnoses as well as pharmacologic osteoporosis treatment in a national integrated delivery system. METHODS: We identified 17,017 men with prostate cancer who received any ADT between 2005 and 2014 using Veterans Health Administration cancer registry and administrative data. We identified claims for BDT within a 3-year period of ADT initiation...
November 10, 2017: BJU International
https://www.readbyqxmd.com/read/29123013/-68-ga-psma-pet-ct-mapping-of-prostate-cancer-biochemical-recurrence-following-radical-prostatectomy-in-270-patients-with-psa-1-0ng-ml-impact-on-salvage-radiotherapy-planning
#19
Jérémie Calais, Johannes Czernin, Minsong Cao, Amar U Kishan, John V Hegde, Narek Shaverdian, Kiri A Sandler, Fang-I Chu, Chris R King, Michael L Steinberg, Isabel Rausher, Nina-Sophie Schmidt-Hegemann, Thorsten Poeppel, Philipp Hetkamp, Francesco Ceci, Ken Herrmann, Wolfgang P Fendler, Matthias Eiber, Nicholas G Nickols
Background: Target volume delineations for prostate cancer (PCa) salvage radiotherapy (SRT) after radical prostatectomy are usually drawn in the absence of visibly recurrent disease. Gallium-68 Prostate Specific Membrane Antigen Positron Emission Tomography/Computed Tomography ((68)Ga-PSMA-11 PET/CT) detects recurrent PCa with sensitivity superior to standard of care imaging at serum prostate specific antigen (PSA) values low enough to impact target volume delineations for routine SRT. OBJECTIVE: To i) map the recurrence pattern of PCa early biochemical recurrence (BCR) after radical prostatectomy with (68)Ga-PSMA-11 PET/CT in patients with serum PSA levels <1 ng/ml, ii) determine how often consensus clinical target volumes (CTV) based on the Radiation Therapy Oncology Group (RTOG) guidelines cover (68)Ga-PSMA-11 PET/CT-defined disease, and iii) assess the potential impact of (68)Ga-PSMA-11 PET/CT on SRT...
November 9, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29122907/clival-metastasis-from-a-gastrointestinal-adenocarcinoma-causing-multiple-cranial-neuropathies
#20
Charlotte Lee, Jesse M Thon, Amar Dhand
A 78-year-old man with a history of benign prostatic hyperplasia presented with double vision, facial pain, altered taste and headache for 7 weeks. Neurological exam was notable for palsies of the right V, VI, VII and XII cranial nerves. An expansive clival mass and multiple lesions in the vertebra were found on MRI. Radionuclide studies showed extensive tumour burden in his liver and peritoneum. His serologies showed normal carcinoembryonic antigen and carbohydrate antigen 19-9 levels and modestly elevated prostate-specific antigen, which was a red herring...
November 8, 2017: BMJ Case Reports
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