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https://www.readbyqxmd.com/read/27926950/c6-and-c7-substituted-3-4-dihydro-2-1h-quinolinones-as-inhibitors-of-monoamine-oxidase
#1
L Meiring, J Petzer, A Petzer
Purpose Monoamine oxidase (MAO) inhibitors are considered to be useful therapeutic agents and isoform specific inhibitors are employed for the treatment of depression and Parkinson's disease. MAO inhibitors are also under investigation for the treatment of disorders ranging from Alzheimer's disease, prostate cancer and certain cardiomyopathies. While a number of irreversible MAO inhibitors are available in the clinic, reversible inhibitors, particularly of the MAO-B isoform are still being developed. Based on our interest in discovering reversible inhibitors with specificity for MAO-B, we have recently reported that, among a series of 10 3,4-dihydro-2(1H)-quinolinone derivatives, are high potency MAO-B inhibitors, with a number of homologues displaying good selectivities for MAO-B over the MAO-A isoform...
December 7, 2016: Drug Research
https://www.readbyqxmd.com/read/27926800/interobserver-reproducibility-of-cytologic-p16-ink4a-ki-67-dual-immunostaining-in-human-papillomavirus-positive-women
#2
Maria Benevolo, Elena Allia, Daniela Gustinucci, Francesca Rollo, Simonetta Bulletti, Elena Cesarini, Basilio Passamonti, Maria Rosaria Giovagnoli, Elisabetta Carico, Francesca M Carozzi, Alessandra Mongia, Giulia Fantacci, Massimo Confortini, Teresa Rubino, Cristina Fodero, Sonia Prandi, Natalina Marchi, Angelo Farruggio, Anna Coccia, Luigia Macrì, Bruno Ghiringhello, Guglielmo Ronco, Emma Bragantini, Enzo Polla, Vincenzo Maccallini, Giovanni Negri, Paolo Giorgi Rossi
BACKGROUND: The accumulation of cyclin-dependent kinase inhibitor 2A (p16(ink4a) ) protein in a cell is associated with neoplastic progression in precancerous cervical lesions. Dual staining for p16(ink4a) and Ki-67 has been proposed as a triage test in cervical cancer screening for women who test positive for human papillomavirus DNA. In this study, interobserver reproducibility of the interpretation of this test was assessed. METHODS: Forty-two immunostained, liquid-based cytology slides were divided into 2 sets and were interpreted by 17 to 21 readers from 9 different laboratories, yielding a total of 816 reports...
December 7, 2016: Cancer
https://www.readbyqxmd.com/read/27926778/met-tyrosine-kinase-receptor-expression-and-amplification-as-prognostic-biomarkers-of-survival-in-gastroesophageal-adenocarcinoma
#3
Daniel V T Catenacci, Agnes Ang, Wei-Li Liao, Jing Shen, Emily O'Day, Robert D Loberg, Fabiola Cecchi, Todd Hembrough, Annamaria Ruzzo, Francesco Graziano
BACKGROUND: MET gene amplification and Met protein overexpression may be associated with a poor prognosis. The MET/Met status is typically determined with fluorescence in situ hybridization (FISH) and immunohistochemistry (IHC), respectively. Targeted proteomics uses mass spectrometry-based selected reaction monitoring (SRM) to accurately quantitate Met expression. FISH, IHC, and SRM analyses were compared to characterize the prognostic value of MET/Met in gastroesophageal adenocarcinoma (GEC)...
December 7, 2016: Cancer
https://www.readbyqxmd.com/read/27926529/altered-microrna-profiles-in-plasma-exosomes-from-mesial-temporal-lobe-epilepsy-with-hippocampal-sclerosis
#4
Shaofeng Yan, Hua Zhang, Wenyan Xie, Fangang Meng, Kai Zhang, Yin Jiang, Xin Zhang, Jianguo Zhang
Mesial temporal lobe epilepsy with hippocampal sclerosis (mTLE-HS) is the most common type of focal epilepsy. The present study aimed to explore the expression and functions of exosomal microRNAs in mTLE-HS. A total of 50 microRNAs were found to be differentially expressed in mTLE-HS compared with healthy controls. Among them, 2 were increased and 48 were decreased. The 6 significant differentially expressed candidate microRNAs (miR-3613-5p, miR-4668-5p, miR-8071, miR-197-5p, miR-4322, and miR-6781-5p ) in exosome were validated...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926520/inhibiting-the-mnk-eif4e-%C3%AE-catenin-axis-increases-the-responsiveness-of-aggressive-breast-cancer-cells-to-chemotherapy
#5
Zhiqiang Li, Yang Sun, Miao Qu, Hongxing Wan, Fang Cai, Peng Zhang
Advanced breast cancer (eg. stage IV) is resistant to chemotherapy. In this work, we identified potentially druggable targets that are critically involved in chemoresistance. We showed that eIF4E is highly phosphorylated at serine 209 in breast cancer patients in response to chemotherapy, which significantly correlated with poorer clinical responses and outcomes. Depletion of eIF4E enhanced the anti-proliferative and pro-apoptotic effects of chemotherapeutic drugs in breast cancer cells. Chemotherapy activated the Wnt/β-catenin signaling in an eIF4E-dependent manner...
December 2, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926519/diagnostic-and-prognostic-value-of-mir-106a-in-colorectal-cancer
#6
Haibin Hao, Laipeng Liu, Dong Zhang, Chao Wang, Guangfeng Xia, Fuping Zhong, Xiaoyun Hu
We sought to systematically evaluate the diagnostic and prognostic value miR106a in patients with colorectal cancer (CRC). An original study was conducted to explore correlations between tissue miR106a levels and outcomes for 138 patients diagnosed with CRC. To explore the diagnostic performance of miR106a, eligible studies were identified from medical databases from China and abroad. Based on these results, 15 studies (including our original study) were pooled and included in a meta-analyses. The pooled sensitivity, specificity, and diagnostic odds ratios of miR106a were 0...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926511/the-relationship-of-lymphatic-vessel-density-lymphovascular-invasion-and-lymph-node-metastasis-in-breast-cancer-a-systematic-review-and-meta-analysis
#7
Song Zhang, Dong Zhang, Shanhong Yi, Mingfu Gong, Caibao Lu, Yuanqing Cai, Xuefeng Tang, Liguang Zou
Lymph node status is one of the key parameters used for determining the stage of breast cancer progression. The relationship of lymphatic vessel density (LVD), lymphovascular invasion (LVI), and lymph node metastasis (LNM) has not been clearly demonstrated yet. Databases of PubMed, Embase, and Web of Science were searched from inception up to 25 May 2016. Spearman correlation coefficient (r) and 95% confidence interval (CI) were used to determine the relationship within each group. Based on pre-established inclusion criteria, 28 studies involving 2920 breast cancer patients were included in this study...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926498/prognostic-value-of-rdw-in-cancers-a-systematic-review-and-meta-analysis
#8
REVIEW
Linhui Hu, Manman Li, Yangyang Ding, Lianfang Pu, Jun Liu, Jingxin Xie, Michael Cabanero, Jingrong Li, Ru Xiang, Shudao Xiong
Red blood cell distribution width (RDW), a parameter that used to differentiate the type of anemia for several decades, recent studies suggest it was a prognostic factor in various types of cancer patients. However, the prognostic value of RDW in cancer patients remains controversial. Here, we performed a meta-analysis and systematic review to evaluate the prognostic value of RDW in cancer patients. Relevant studies were picked out from the databases of Web of Science, Embase, Pubmed and Cochrane Library. A total of 16 papers with 4267 patients were included in this meta-analysis, and the combined results indicated that elevated RDW was associated with poor over survival (OS) (HR = 1...
December 2, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926484/high-lncrna-h19-expression-as-prognostic-indicator-data-mining-in-female-cancers-and-polling-analysis-in-non-female-cancers
#9
Li Peng, Xiao-Qing Yuan, Zhao-Yang Liu, Wen-Ling Li, Chao-Yang Zhang, Ya-Qin Zhang, Xi Pan, Jun Chen, Yue-Hui Li, Guan-Cheng Li
Upregulation of lncRNA H19 expression is associated with an unfavorable prognosis in some cancers. However, the prognostic value of H19 in female-specific cancers has remained uncharacterized. In this study, the prognostic power of high H19 expression in female cancer patients from the TCGA datasets was analyzed using Kaplan-Meier survival curves and Cox's proportional hazard modeling. In addition, in a meta-analysis of non-female cancer patients from TCGA datasets and 12 independent studies, hazard ratios (HRs) with 95% confidence interval (CI) for overall survival (OS) and disease-free survival (DFS)/relapse-free survival (RFS)/metastasis-free survival (MFS)/progression-free survival (PFS) were pooled to assess the prognostic value of high H19 expression...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926379/a-comparative-analysis-of-chaotic-particle-swarm-optimizations-for-detecting-single-nucleotide-polymorphism-barcodes
#10
Li-Yeh Chuang, Sin-Hua Moi, Yu-Da Lin, Cheng-Hong Yang
OBJECTIVE: Evolutionary algorithms could overcome the computational limitations for the statistical evaluation of large datasets for high-order single nucleotide polymorphism (SNP) barcodes. Previous studies have proposed several chaotic particle swarm optimization (CPSO) methods to detect SNP barcodes for disease analysis (e.g., for breast cancer and chronic diseases). This work evaluated additional chaotic maps combined with the particle swarm optimization (PSO) method to detect SNP barcodes using a high-dimensional dataset...
October 2016: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/27925665/viral-oncoprotein-antibodies-as-a-marker-for-recurrence-of-merkel-cell-carcinoma-a-prospective-validation-study
#11
Kelly G Paulson, Christopher W Lewis, Mary W Redman, William T Simonson, Aaron Lisberg, Deborah Ritter, Chihiro Morishima, Kathleen Hutchinson, Lola Mudgistratova, Astrid Blom, Jayasri Iyer, Ata S Moshiri, Erica S Tarabadkar, Joseph J Carter, Shailender Bhatia, Masaoki Kawasumi, Denise A Galloway, Mark H Wener, Paul Nghiem
BACKGROUND: Merkel cell carcinoma (MCC) is an aggressive skin cancer with a recurrence rate of >40%. Of the 2000 MCC cases per year in the United States, most are caused by the Merkel cell polyomavirus (MCPyV). Antibodies to MCPyV oncoprotein (T-antigens) have been correlated with MCC tumor burden. The present study assesses the clinical utility of MCPyV-oncoprotein antibody titers for MCC prognostication and surveillance. METHODS: MCPyV-oncoprotein antibody detection was optimized in a clinical laboratory...
December 7, 2016: Cancer
https://www.readbyqxmd.com/read/27925176/pd-l1-expression-of-the-residual-tumor-serves-as-a-prognostic-marker-in-local-advanced-breast-cancer-after-neoadjuvant-chemotherapy
#12
Sheng Chen, Ruo-Xi Wang, Yin Liu, Wen-Tao Yang, Zhi-Ming Shao
This study sought to investigate the prevalence of programmed death ligand 1 (PD-L1) and its prognostic value in patients with residual tumors after neoadjuvant chemotherapy (NCT) for locally advanced breast cancer (LABC). A total of 309 patients considered as non-pathological complete responders (non-pCR) after NCT followed by mastectomy were selected. The expression of PD-L1 and tumor-infiltrating lymphocytes (TILs) in residual breast cancer cells was assessed by immunohistochemistry in surgical specimens...
December 7, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27924837/baseline-neutrophil-lymphocyte-ratio-is-associated-with-baseline-and-subsequent-presence-of-brain-metastases-in-advanced-non-small-cell-lung-cancer
#13
Young Wha Koh, Jin-Hyuk Choi, Mi Sun Ahn, Yong Won Choi, Hyun Woo Lee
We examined the predictive value of neutrophil-lymphocyte ratio (NLR) by examining their association with the baseline presence and subsequent development of brain metastases in patients with stage IV non-small cell lung cancer (NSCLC). We examined the predictive value of NLR for brain metastasis in 260 stage IV NSCLC. Logistic regression models and competing risk analysis were used to determine the association of NLR with baseline and subsequent presence of brain metastases. Multivariate analysis reveals that patients with high NLR (≥4...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924778/evaluation-of-anterior-mediastinal-solid-tumors-by-ct-perfusion-a-preliminary-study
#14
Selim Bakan, Sedat Giray Kandemirli, Atilla Süleyman Dikici, Ezel Erşen, Onur Yıldırım, Cesur Samancı, Şebnem Batur, Deniz Çebi Olgun, Fatih Kantarcı, Canan Akman
PURPOSE: We aimed to assess the role of computed tomography (CT) perfusion in differentiation of thymoma from thymic hyperplasia, lymphoma, thymic carcinoma, and lung cancer invading anterior mediastinum. METHODS: In this study, 25 patients with an anterior mediastinal lesion underwent CT perfusion imaging from January 2015 to February 2016. Diagnoses included thymoma (n=7), thymic hyperplasia (n=8), lymphoma (n=4), thymic carcinoma (n=3), and invasive lung cancer (n=3)...
December 7, 2016: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/27924754/relevance-of-randomised-controlled-trials-in-oncology
#15
REVIEW
Ian F Tannock, Eitan Amir, Christopher M Booth, Saroj Niraula, Alberto Ocana, Bostjan Seruga, Arnoud J Templeton, Francisco Vera-Badillo
Well-designed randomised controlled trials (RCTs) can prevent bias in the comparison of treatments and provide a sound basis for changes in clinical practice. However, the design and reporting of many RCTs can render their results of little relevance to clinical practice. In this Personal View, we discuss the limitations of RCT data and suggest some ways to improve the clinical relevance of RCTs in the everyday management of patients with cancer. RCTs should ask questions of clinical rather than commercial interest, avoid non-validated surrogate endpoints in registration trials, and have entry criteria that allow inclusion of all patients who are fit to receive treatment...
December 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27924730/congenital-malformations-attributed-to-prenatal-exposure-to-cyclophosphamide
#16
Padmanabhan Rengasamy
Cyclophosphamide (CPA) remains one of the most widely prescribed anticancer drugs. It is also used in the treatment of rheumatoid arthritis, childhood nephrotic syndrome and systemic lupus erythematosus. It is a potent immunosuppressive agent. It is commonly used in blood and bone marrow transplantation. With the growing trend among women postponing childbearing, the number of women who are diagnosed with breast cancer is also increasing thus escalating the chances of exposure of the unborn child to antineoplastic drugs...
December 6, 2016: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/27924641/three-minor-valepotriate-isomers-from-valeriana-jatamansi-and-their-cytotoxicity
#17
Sheng Lin, Peng Fu, Tao Chen, Ji Ye, Xian-Wen Yang, Wei-Dong Zhang
Three new minor valepotriate isomers, jatamanvaltrates Z1 (1), Z2 (2), and Z3 (3), have been isolated from the whole plants of Valeriana jatamansi (syn. Valeriana wallichii.). Their structures were elucidated by extensive spectroscopic analysis, especially 2D NMR and ESI-MS/MS(n). All isolated compounds displayed moderate cytotoxicity against the lung adenocarcinoma (A549), metastatic prostate cancer (PC-3 M), colon cancer (HCT-8), and hepatoma (Bel7402) cell lines with IC50 values of 2.8-8.3 μM.
December 7, 2016: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/27924554/development-of-a-clinical-tool-to-predict-home-death-of-a-discharged-cancer-patient-in-japan-a-case-control-study
#18
Sakiko Fukui, Tatsuya Morita, Kazuhiro Yoshiuchi
PURPOSE: The aim of this study was to investigate the predictive value of a clinical tool to predict whether discharged cancer patients die at home, comparing groups of case who died at home and control who died in hospitals or other facilities. METHOD: We conducted a nationwide case-control study to identify the determinants of home death for a discharged cancer patient. We randomly selected nurses in charge of 2000 home-visit nursing agencies from all 5813 agencies in Japan by referring to the nationwide databases in January 2013...
December 6, 2016: International Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/27924502/lymph-node-mapping-with-carbon-nanoparticles-and-the-risk-factors-of-lymph-node-metastasis-in-gastric-cancer
#19
Hui Wang, Man-Man Chen, Guang-Sheng Zhu, Mao-Guang Ma, Han-Song Du, Yue-Ping Long
The study aimed to examine the applicability of carbon nanoparticles as a tracer for lymph node mapping and the related factors of lymph node and No.8p subgroup metastasis in patients with gastric cancer. Clinical data of 50 patients with gastric cancer, who had not received treatment preoperatively and underwent gastrectomy in Department of Gastrointestinal Surgery, Wuhan Union Hospital, between October 2014 and August 2015, were retrospectively analyzed. These patients were found to have no distant metastasis preoperatively...
December 2016: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/27924136/prognostic-value-of-inflammation-in-prostate-cancer-progression-and-response-to-therapeutic-a-critical-review
#20
REVIEW
Alessandro Sciarra, Alessandro Gentilucci, Stefano Salciccia, Federico Pierella, Flavio Del Bianco, Vincenzo Gentile, Ida Silvestri, Susanna Cattarino
Prostate is an immune-competent organ normally populated by inflammatory cells. Prostatic inflammation origin can be multi-factorial and there are some emerging evidences on its possible role as a factor involved in prostate cancer (PC) pathogenesis and progression. This review critically analyzes the role of inflammation as a prognostic factor for progression and aggressiveness of PC. We verified the last 10 years literature data on the association between inflammation and PC aggressiveness, or PC response to therapies...
2016: Journal of Inflammation
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