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https://www.readbyqxmd.com/read/28648953/synthesis-of-thiazole-linked-indolyl-3-glyoxylamide-derivatives-as-tubulin-polymerization-inhibitors
#1
Sravanthi Devi Guggilapu, Lalita Guntuku, T Srinivasa Reddy, Atulya Nagarsenkar, Dilep Kumar Sigalapalli, V G M Naidu, Suresh K Bhargava, Nagendra Babu Bathini
A series of thiazole linked indolyl-3-glyoxylamide derivatives were synthesized and evaluated for their in vitro cytotoxic activity against DU145 (prostate), PC-3 (prostate), A549 (lung) and HCT-15 (colon) cancer cell lines by employing the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Among all the synthesized compounds, compound 13d displayed cytotoxicity of IC50 = 93 nM towards DU145 cancer cell line. The most active compound 13d was also tested on RWPE-1 cells and was found to be safe compared to the DU145 cells...
June 15, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28646238/-bladder-neck-sclerosis-following-prostate-surgery-which-therapy-when
#2
REVIEW
J J Rassweiler, H Weiss, A Heinze, M Elmussareh, M Fiedler, A S Goezen
Secondary bladder neck sclerosis represents one of the more frequent complications following endoscopic, open, and other forms of minimally invasive prostate surgery. Therapeutic decisions depend on the type of previous intervention (e.g., radical prostatectomy, TURP, HoLEP, radiotherapy, HIFU) and on associated complications (e.g., incontinence, fistula). Primary treatment in most cases represents an endoscopic bilateral incision. No specific advantages of any type of the applied energy (i.e., mono-/bipolar HF current, cold incision, holmium/thulium YAG laser) could be documented...
June 23, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28644819/quantifying-the-accuracy-and-precision-of-a-novel-real-time-6-degree-of-freedom-kilovoltage-intrafraction-monitoring-kim-target-tracking-system
#3
J-H Kim, D T Nguyen, C-Y Huang, T Fuangrod, V Caillet, R O'Brien, P Poulsen, J Booth, P Keall
Target rotation can considerably impact the delivered radiotherapy dose depending on the tumour shape. More accurate tumour pose during radiotherapy treatment can be acquired through tracking in 6 degrees-of-freedom (6 DoF) rather than in translation only. A novel real-time 6 DoF kilovoltage intrafraction monitoring (KIM) target tracking system has recently been developed. In this study, we experimentally evaluated the accuracy and precision of the 6 DoF KIM implementation. Real-time 6 DoF KIM motion measurements were compared against the ground truth motion retrospectively derived from kV/MV triangulation for a range of lung and prostate tumour motion trajectories as well as for various static poses using a phantom...
June 23, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28641870/antibiotic-activity-and-concentrations-in-clinical-samples-from-patients-with-chronic-bacterial-prostatitis
#4
V Heras-Cañas, B Gutiérrez-Soto, H Almonte-Fernández, A Lara-Oya, J M Navarro-Marí, A Garrido-Frenich, F Vázquez-Alonso, J Gutiérrez-Fernández
OBJECTIVES: Chronic bacterial prostatitis (CBP) is the most common urological disease in patients younger than 50 years, whose long-standing symptoms could be related to an inappropriate therapeutic regimen. The objective was to analyse the sensitivity of microorganisms isolated from patients with CBP and measure the weekly antibiotic concentrations in serum, semen and urine. MATERIAL AND METHODS: For the antibiotic sensitivity study, 60 clinical isolates were included between January 2013 and December 2014 from semen samples from patients with microbiologically confirmed CBP...
June 19, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28641156/mild-c-sp-3-h-functionalization-of-dihydrosanguinarine-and-dihydrochelerythrine-for-development-of-highly-cytotoxic-derivatives
#5
Adriana Romo-Pérez, Luis Demetrio Miranda, Alma D Chávez-Blanco, Alfonso Dueñas-González, María Del Rayo Camacho-Corona, Alejandrina Acosta-Huerta, Abraham García
A series of C(6)-substituted dihydrobenzo[c]phenanthridines were synthesized by mild copper-catalyzed C(sp(3))-H functionalization of dihydrosanguinarine (2) and dihydrochelerythrine (3) with certain nucleophiles selected to enhance cytotoxicity against human breast, colorectal, and prostate cancer cell lines. We also investigated the cytotoxicity of our previously reported C(6)-functionalized N-methyl-5,6-dihydrobenzo[c]phenanthridines 1a-1e to perform structure-activity relationship (SAR) studies. Among the target compounds, five β-aminomalonates (1a, 1b, 2a, 2b, and 3b), one α-aminophosphonate (2c), and one nitroalkyl derivative (2h) exhibited half maximal inhibitory concentration (IC50) values in the range of 0...
June 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28632494/long-term-dutasteride-therapy-in-men-with-benign-prostatic-hyperplasia-alters-glucose-and-lipid-profiles-and-increases-severity-of-erectile-dysfunction
#6
Abdulmaged Traish, Karim Sultan Haider, Gheorghe Doros, Ahmad Haider
Background Dutasteride has been successfully used in treatment of lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia (BPH). However, dutasteride inhibits 5α-reductase type 1 and type 2 enzymes and may compromises glucocorticoids and androgen metabolism and alters metabolic function resulting in undesirable metabolic and sexual adverse side effects. Aim The aim of this study was to investigate the long-term adverse effects of dutasteride therapy in men with BPH on: i) blood glucose, ii) glycated hemoglobin (HbA1c), iii) low density lipoprotein-cholesterol (LDL-C); high density lipoprotein-cholesterol (HDL-C) and total cholesterol (TC), iv) testosterone (T), v) liver alanine and aspartate aminotransferases (ALT and AST) and vi) erectile dysfunction (ED)...
June 21, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28632486/randomized-noncomparative-phase-ii-trial-of-early-switch-from-docetaxel-to-cabazitaxel-or-vice-versa-with-integrated-biomarker-analysis-in-men-with-chemotherapy-na%C3%A3-ve-metastatic-castration-resistant-prostate-cancer
#7
Emmanuel S Antonarakis, Scott T Tagawa, Giuseppe Galletti, Daniel Worroll, Karla Ballman, Marie Vanhuyse, Guru Sonpavde, Scott North, Costantine Albany, Che-Kai Tsao, John Stewart, Atef Zaher, Ted Szatrowski, Wei Zhou, Ada Gjyrezi, Shinsuke Tasaki, Luigi Portella, Yang Bai, Timothy B Lannin, Shalu Suri, Conor N Gruber, Erica D Pratt, Brian J Kirby, Mario A Eisenberger, David M Nanus, Fred Saad, Paraskevi Giannakakou
Purpose The TAXYNERGY trial ( ClinicalTrials.gov identifier: NCT01718353) evaluated clinical benefit from early taxane switch and circulating tumor cell (CTC) biomarkers to interrogate mechanisms of sensitivity or resistance to taxanes in men with chemotherapy-naïve, metastatic, castration-resistant prostate cancer. Patients and Methods Patients were randomly assigned 2:1 to docetaxel or cabazitaxel. Men who did not achieve ≥ 30% prostate-specific antigen (PSA) decline by cycle 4 (C4) switched taxane. The primary clinical endpoint was confirmed ≥ 50% PSA decline versus historical control (TAX327)...
June 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28631919/-rehabilitation-of-patients-with-complicated-forms-of-urethral-obliterations
#8
M B Pryanichnikova, O V Zhurkina
The article describes open surgical modalities for managing patients with severe obliterations of the anterior urethra. The mean age of patients was 70 years. The causes of urethral strictures and obliteration included prostatic adenomectomy, scrotal abscess with pelvic bone osteomyelitis, accidental removal of the bulbar and penile urethra during herniotomy and a prolonged use of an indwelling urethral catheter. Two patients underwent perineostomy (median and trapezoidal). In the third patient, scrotal skin was used to form "scrotal hypospadias" (a modified Johansons operation) and the fourth patient underwent Mikhalovskiis operation...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28631917/-contemporary-concept-of-the-diagnosis-of-prostate-cancer
#9
Yu Yu Vinnik, A V Andreichikov, N Yu Klimov
This review summarizes current evidence of the etiology and diagnosis of prostate cancer. As before, a comprehensive urological examination remains the main method of diagnosing the disease. However, the invasive nature of the multicore prostate biopsy, its high cost and the need for specially trained personnel prompts to seek more state-of-the-art and non-invasive methods for diagnosing prostate cancer. The further research in this direction seems promising.
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28631904/-analysis-of-factors-affecting-the-compliance-with-medical-therapy-for-benign-prostatic-hyperplasia
#10
V A Malkhasyan, P I Rasner, A R Gevorkyan, I V Semenyakin, A V Tedeev, D Yu Pushkar
AIM: To investigate factors affecting the compliance of patients with the combination therapy for benign prostatic hyperplasia. MATERIALS AND METHODS: Four hundred BPH outpatients treated with combination therapy were surveyed. RESULTS: The absolute majority of patients (76.16%) expected a quick positive result. 10.47% viewed their disease as too advanced, did not believe in the effectiveness of medical therapy and believed the surgery to be the only treatment option...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28631120/-erratum-to-cost-effectiveness-of-gnrh-antagonists-in-patients-with-prostate-cancer-and-cardiovascular-risk-comparative-analysis-with-leuprolide-on-the-basis-of-the-number-needed-to-treat
#11
D Anderson, J Lehmann, T Ecker, S Vosgerau, V Donatz
No abstract text is available yet for this article.
June 19, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28630592/the-role-of-different-pi-rads-versions-in-prostate-multiparametric-magnetic-resonance-tomography-assessment
#12
Paulius Aliukonis, Tadas Letauta, Rūta Briedienė, Ieva Naruševičiūtė, Simona Letautienė
Background. Standardised Prostate Imaging Reporting and Data System (PI-RADS) guidelines for the assessment of prostate alterations were designed for the assessment of prostate pathology. Published by the ESUR in 2012, PI-RADS v1 was based on the total score of different MRI sequences with subsequent calculation. PI-RADS v2 was published by the American College of Radiology in 2015 and featured different assessment criteria for prostate peripheral and transitory zones. Aim. To assess the correlations of PI-RADS v1 and PI-RADS v2 with Gleason score values and to define their predictive values of the diagnosis of prostate cancer...
2017: Acta medica Lituanica
https://www.readbyqxmd.com/read/28629351/assessing-health-related-quality-of-life-in-urology-a-survey-of-4500-german-urologists
#13
A Schmick, M Juergensen, V Rohde, A Katalinic, A Waldmann
BACKGROUND: Urological diseases and their treatment may negatively influence continence, potency, and health-related quality of life (HRQOL). Although current guidelines recommend HRQOL assessment in clinical urology, specific guidance on how to assess HRQOL is frequently absent. We evaluated whether and how urologists assess HRQOL and how they determine its practicality. METHODS: A random sample of 4500 (from 5200 identified German urologists) was drawn and invited to participate in a postal survey (an initial letter followed by one reminder after six weeks)...
June 19, 2017: BMC Urology
https://www.readbyqxmd.com/read/28628393/early-national-dissemination-of-abiraterone-and-enzalutamide-for-advanced-prostate-cancer-in-medicare-part-d
#14
Megan E V Caram, Tudor Borza, Hye-Sung Min, Jennifer J Griggs, David C Miller, Brent K Hollenbeck, Bhramar Mukherjee, Ted A Skolarus
INTRODUCTION: Abiraterone and enzalutamide were approved by the Food and Drug Administration in 2011 and 2012 to treat men with metastatic castration-resistant prostate cancer (mCRPC). Most men with mCRPC are > 65 years of age and thus eligible for Medicare Part D. We conducted a study to better understand the early dissemination of these drugs across the United States using national Medicare Part D data. METHODS: We evaluated the number of prescriptions for abiraterone and enzalutamide by provider specialty and hospital referral region (HRR) using Medicare Part D and Dartmouth Atlas data...
June 19, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28614298/erf-mutations-reveal-a-balance-of-ets-factors-controlling-prostate-oncogenesis
#15
Rohit Bose, Wouter R Karthaus, Joshua Armenia, Wassim Abida, Phillip J Iaquinta, Zeda Zhang, John Wongvipat, Elizabeth V Wasmuth, Neel Shah, Patrick S Sullivan, Michael G Doran, Ping Wang, Anna Patruno, Yilin Zhao, Deyou Zheng, Nikolaus Schultz, Charles L Sawyers
Half of all prostate cancers are caused by the TMPRSS2-ERG gene-fusion, which enables androgens to drive expression of the normally silent E26 transformation-specific (ETS) transcription factor ERG in prostate cells. Recent genomic landscape studies of such cancers have reported recurrent point mutations and focal deletions of another ETS member, the ETS2 repressor factor ERF. Here we show these ERF mutations cause decreased protein stability and mostly occur in tumours without ERG upregulation. ERF loss recapitulates the morphological and phenotypic features of ERG gain in normal mouse prostate cells, including expansion of the androgen receptor transcriptional repertoire, and ERF has tumour suppressor activity in the same genetic background of Pten loss that yields oncogenic activity by ERG...
June 14, 2017: Nature
https://www.readbyqxmd.com/read/28609659/development-of-peptidomimetic-inhibitors-of-the-erg-gene-fusion-product-in-prostate-cancer
#16
Xiaoju Wang, Yuanyuan Qiao, Irfan A Asangani, Bushra Ateeq, Anton Poliakov, Marcin Cieślik, Sethuramasundaram Pitchiaya, Balabhadrapatruni V S K Chakravarthi, Xuhong Cao, Xiaojun Jing, Cynthia X Wang, Ingrid J Apel, Rui Wang, Jean Ching-Yi Tien, Kristin M Juckette, Wei Yan, Hui Jiang, Shaomeng Wang, Sooryanarayana Varambally, Arul M Chinnaiyan
No abstract text is available yet for this article.
June 12, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28609648/when-no-treatment-is-the-best-treatment-active-surveillance-strategies-for-low-risk-prostate-cancers
#17
REVIEW
V Stavrinides, C C Parker, C M Moore
Although the incidence of prostate cancer is rising due to PSA screening and increased life expectancy, the metastatic potential of low-grade, organ-confined disease remains low. An increasing number of studies suggest that radical treatment in such cases confers little or no survival benefit at a significant cost to morbidity. Active surveillance is a promising management approach of such low-risk cancers: eligible patients are selected based on clinical and pathological findings at diagnosis and are regularly monitored with digital rectal examinations, PSA testing and biopsies...
May 23, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28603843/characterization-of-vsig1-exerting-a-tumor-suppressor-function-in-gastric-lung-and-esophageal-cancer-cells
#18
Yusuke Inoue, Shun Matsuura, Katsuhiro Yoshimura, Yuji Iwashita, Tomoaki Kahyo, Akikazu Kawase, Masayuki Tanahashi, Matsuyoshi Maeda, Hiroshi Ogawa, Naoki Inui, Kazuhito Funai, Kazuya Shinmura, Hiroshi Niwa, Takafumi Suda, Haruhiko Sugimura
V-set and immunoglobulin domain containing 1 (VSIG1) is a newly discovered member of the immunoglobulin superfamily proteins, expressed in normal stomach and testis. In cancers, however, the clinical and biological roles of VSIG1 remain unknown. Here we investigated VSIG1 expression in 11 cancers and assessed the prognostic roles of VSIG1 in patients with gastric cancer (GC) (N = 362) and non-small-cell lung cancer (N = 650). VSIG1 was downregulated in 60.5% of GC specimens, and high VSIG1 expression was identified as an independent favorable prognostic factor for overall survival in GC patients (hazard ratio, 0...
June 12, 2017: Cancer Science
https://www.readbyqxmd.com/read/28599457/morusin-induces-apoptosis-by-regulating-expression-of-bax-and-survivin-in-human-breast-cancer-cells
#19
Sukmin Kang, Eun-Ok Kim, Sung-Hoon Kim, Jun-Hee Lee, Kwang Seok Ahn, Miyong Yun, Seok-Geun Lee
Morusin which has been isolated from the root bark of Morus alba L. (Moraceae) has previously demonstrated anticancer activity in various types of cancer cells such as hepatocellular carcinoma, glioma and prostate cancer. However, the effect of morusin on breast cancer cells remains unclear. In the present study, the potential of morusin as an anti-cancer agent in breast cancer was investigated. The results of the present study revealed that the treatment of morusin induced cell death in various human breast cancer cell lines, but exhibited little effect on normal human breast epithelial cells...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599001/diagnostic-value-and-relative-weight-of-sequence-specific-magnetic-resonance-features-in-characterizing-clinically-significant-prostate-cancers
#20
Olivier Rouvière, Tristan Dagonneau, Fanny Cros, Flavie Bratan, Laurent Roche, Florence Mège-Lechevallier, Alain Ruffion, Sébastien Crouzet, Marc Colombel, Muriel Rabilloud
PURPOSE: To assess the diagnostic weight of sequence-specific magnetic resonance features in characterizing clinically significant prostate cancers (csPCa). MATERIALS AND METHODS: We used a prospective database of 262 patients who underwent T2-weighted, diffusion-weighted, and dynamic contrast-enhanced (DCE) imaging before prostatectomy. For each lesion, two independent readers (R1, R2) prospectively defined nine features: shape, volume (V_Max), signal abnormality on each pulse sequence, number of pulse sequences with a marked (S_Max) and non-visible (S_Min) abnormality, likelihood of extracapsular extension (ECE) and PSA density (dPSA)...
2017: PloS One
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