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https://www.readbyqxmd.com/read/28454474/incidence-trends-in-high-grade-primary-brain-tumors-in-males-and-females
#1
Jonas Nilsson, Georg Holgersson, Tobias Carlsson, Roger Henriksson, Stefan Bergström, Michael Bergqvist
The focus of the present review is to investigate whether there is a variation in the incidence rates between male and female patients with high-grade primary brain tumors and if there are altered incidence rates associated with the time at which they were diagnosed. Previous studies identified in internationally peer-reviewed journals were identified using a systematic search of the PubMed database. Due to the difficulties in data interpretation, studies that exclusively included patient data classified prior to the 2nd edition of the World Health Organization histological classification system of brain tumors were excluded...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454467/investigation-of-differentially-expressed-micrornas-and-genes-in-cervical-cancer-using-an-integrated-bioinformatics-analysis
#2
Zhanzhan Xu, Yu Zhou, Fang Shi, Yexuan Cao, Thi Lan Anh Dinh, Jing Wan, Min Zhao
Cervical cancer is one of the most common types of cancer among women worldwide. In order to identify the microRNAs (miRNAs/miRs) and mRNAs associated with the carcinogenesis of cervical cancer, and to investigate the molecular mechanisms of cervical cancer, an miRNA microarray, GSE30656, and 3 mRNA microarrays, GSE63514, GSE39001 and GSE9750, for cervical cancer were retrieved from Gene Expression Omnibus. These datasets were analyzed in order to obtain differentially-expressed genes (DEGs) and miRNAs using the GEO2R tool...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454466/identification-of-molecular-characteristics-induced-by-radiotherapy-in-rectal-cancer-based-on-microarray-data
#3
Chang Ge, Mengxia Wu, Guifang Chen, Guanying Yu, Dehui Ji, Shaozhao Wang
The present study aimed to reveal the molecular characteristics induced by radiotherapy in rectal cancer at the transcriptome level. Microarray data (ID, GSE26027) downloaded from the Gene Expression Omnibus database were re-analyzed to identify differentially expressed genes (DEGs) between rectal cancer tissues during and prior to radiotherapy. The DEGs were then inputted into the database for annotation, visualization and integrated discovery, an online tool to perform enrichment analyses, and into the search tool for the retrieval of interacting genes/proteins database to identify protein-protein interactions (PPIs)...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454465/microarray-based-analysis-of-gene-regulation-by-mesenchymal-stem-cells-in-breast-cancer
#4
Ming Zhang, Chang E Gao, Wen Hui Li, Yi Yang, Li Chang, Jian Dong, Yan Xin Ren, De Dian Chen
Breast cancer is one of the most common malignant tumors with a high case-fatality rate among women. The present study aimed to investigate the effects of mesenchymal stem cells (MSCs) on breast cancer by exploring the potential underlying molecular mechanisms. The expression profile of GSE43306, which refers to MDA-MB-231 cells with or without a 1:1 ratio of MSCs, was downloaded from Gene Expression Omnibus database for differentially expressed gene (DEG) screening. The Database for Annotation, Visualization and Integrated Discovery was used for gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis for DEGs...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454442/identification-of-target-genes-of-cediranib-in-alveolar-soft-part-sarcoma-using-a-gene-microarray
#5
Wenhua Jiang, Pengfei Liu, Xiaodong Li, Ping Wang
The aim of the present study was to identify the target genes of cediranib and the associated signaling pathways in alveolar soft part sarcoma (ASPS). A microarray dataset (GSE32569) was obtained from the Gene Expression Omnibus database. The R software package was used for data normalization and screening of differentially expressed genes (DEGs). The Database for Annotation, Visualization and Integrated Discovery was used to perform Gene Ontology analysis. Gene Set Enrichment Analysis was performed to obtain the up- and downregulated pathways in ASPS...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454281/current-status-of-the-prognostic-molecular-biomarkers-in-breast-cancer-a-systematic-review
#6
Goro Kutomi, Toru Mizuguchi, Fukino Satomi, Hideki Maeda, Hiroaki Shima, Yasutoshi Kimura, Koichi Hirata
Biomarkers that facilitate the prediction of breast cancer prognosis can improve the quality of life in patients during the long period of illness and treatment. Particularly in recent years, with the advent of a more exhaustive analysis of genetic information and gene products, the molecular mechanisms at play during breast cancer have gradually become clearer. In the present study, a systematic review of the literature between 2009 and 2014 was conducted by searching for the keywords 'breast cancer', 'biomarkers', 'diagnosis', 'prognosis' and 'drug response' to clarify the present state of knowledge regarding biomarkers...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454247/ampd3-is-associated-with-the-malignant-characteristics-of-gastrointestinal-stromal-tumors
#7
Meihong Wong, Kohei Funasaka, Tomohiko Obayashi, Ryoji Miyahara, Yoshiki Hirooka, Michinari Hamaguchi, Hidemi Goto, Takeshi Senga
Gastrointestinal stromal tumors (GISTs) are mesenchymal tumors of the gastrointestinal tract. It is well known that activating mutations in the receptor tyrosine kinases KIT and platelet-derived growth factor receptor-α have essential roles in the pathogenesis of GISTs. The activation of these receptor protein kinases triggers multiple signaling pathways that promote cell proliferation and survival; however, the exact mechanism by which the activation of these kinases promotes the progression of GISTs remains uncertain...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454242/association-of-elevated-risk-of-pancreatic-cancer-in-diabetic-patients-a-systematic-review-and-meta-analysis
#8
Jiaxin Tan, Yu You, Fei Guo, Jianhua Xu, Haisu Dai, Ping Bie
Pancreatic cancer has a five-year overall survival rate <5%, a situation that has not improved since for 40 years. Diabetes mellitus including type 2 diabetes mellitus (T2D) is a suspected risk factor for the development of pancreatic cancer and nearly 45% of the pancreatic cancer cases are likely to present as new onset diabetes cases; however, the nature of association between T2D and pancreatic cancer is still controversial. In this meta-analysis, we examined the association specifically of T2D with pancreatic cancer and the influence of insulin therapy...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454213/proteasome-inhibitors-in-glioblastoma
#9
Wen-Juan Huang, Wei-Wei Chen, Xia Zhang
Glioblastomas (GBM) are the tumors originating from the star shaped supportive cells in brain known as astrocytes. These tumors are highly cancerous as they have the ability to proliferate very quickly. New therapeutic strategies are being developed worldwide to fight against deadly GBM, which has median survival time of just 14 months. Proteasome inhibition is an upcoming strategy for GBM. Proteasome inhibition has shown promising results in cancers such as myeloma. However, in the recent past this form of therapy has also shown positive results in brain tumors in the form of elevated apoptosis...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454105/tea-consumption-and-the-risk-of-biliary-tract-cancer-a-systematic-review-and-dose-response-meta-analysis-of-observational-studies
#10
Jianping Xiong, Jianzhen Lin, Anqiang Wang, Yaqin Wang, Ying Zheng, Xinting Sang, Yiyao Xu, Xin Lu, Haitao Zhao
Recent studies have shown that tea consumption is associated with the reduced incidence of some types of cancer, possibly including biliary tract cancer. However, the epidemiological evidences for the association with risk of biliary tract cancer are contradictory. Thus, we performed meta-analysis of published observational studies to assess the association between tea consumption and risk of biliary tract cancer. Relevant studies were identified by searching PubMed, EMBASE, and ISI Web of Science published before October 2016...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454095/association-between-psca-gene-polymorphisms-and-the-risk-of-cancer-an-updated-meta-analysis-and-trial-sequential-analysis
#11
Zhiqiang Qin, Jingyuan Tang, Xiao Li, Yajie Yu, Chuanjie Zhang, Peng Han, Ran Li, Xuping Jiang, Chengdi Yang, Wei Wang, Min Tang, Wei Zhang
Previous studies have investigated the relationships between PSCA rs2294008 C>T and rs2976392 G>A polymorphisms and cancer susceptibility. However, the available findings remained inconsistent and even controversial. Thus, the aim of this meta-analysis was performed to clarify such associations. The online databases PubMed, EMBASE and Web of Science searched for relevant studies, covering all the papers published until September 1st, 2016. Data were pooled by odds ratios (ORs) with 95% confidence intervals (CIs) to evaluate the strength of such associations...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454089/p-akt-as-a-potential-poor-prognostic-factor-for-gastric-cancer-a-systematic-review-and-meta-analysis
#12
REVIEW
Fang Cao, Cong Zhang, Wei Han, Xiao-Jiao Gao, Jun Ma, Yong-Wei Hu, Xing Gu, Hou-Zhong Ding, Li-Xia Zhu, Qin Liu
To understand the relationship between p-Akt expression and the prognosis of patients with gastric cancer, we searched six databases, Pubmed, EMBASE, Cochrane Library, CNKI, Wanfang and CBM for relevant articles in order to conduct this metaanalysis. The pooled hazard ratios and corresponding 95%CI of overall survival were calculated to evaluate the prognostic value of p-Akt expression in patients with gastric cancer. With 2261 patients combined from 13 available studies, the pooled HR showed a poor prognosis in patients with gastric cancer in the univariate analysis (HR=1...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454045/canadian-harm-reduction-policies-a-comparative-content-analysis-of-provincial-and-territorial-documents-2000-2015
#13
REVIEW
T Cameron Wild, Bernie Pauly, Lynne Belle-Isle, Walter Cavalieri, Richard Elliott, Carol Strike, Kenneth Tupper, Andrew Hathaway, Colleen Dell, Donald MacPherson, Caitlin Sinclair, Kamagaju Karekezi, Benjamin Tan, Elaine Hyshka
BACKGROUND: Access to harm reduction interventions among substance users across Canada is highly variable, and largely within the policy jurisdiction of the provinces and territories. This study systematically described variation in policy frameworks guiding harm reduction services among Canadian provinces and territories as part of the first national multimethod case study of harm reduction policy. METHODS: Systematic and purposive searches identified publicly-accessible policy texts guiding planning and organization of one or more of seven targeted harm reduction services: needle distribution, naloxone, supervised injection/consumption, low-threshold opioid substitution (or maintenance) treatment, buprenorphine/naloxone (suboxone), drug checking, and safer inhalation kits...
April 25, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28454010/how-economic-recessions-and-unemployment-affect-illegal-drug-use-a-systematic-realist-literature-review
#14
Gera E Nagelhout, Karin Hummel, Moniek C M de Goeij, Hein de Vries, Eileen Kaner, Paul Lemmens
BACKGROUND: Economic recessions may influence illegal drug use via different mechanisms, for example increased use due to more psychological distress or decreased use due to lower incomes and purchasing power. This paper reviews the literature on how economic recessions and unemployment affect the use of illegal drugs among adults. METHODS: We conducted a systematic realist literature review, which is an explanatory method that aims to understand underlying mechanisms that connect an event to an outcome in a specific context...
April 25, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28453966/psychotherapy-for-depression-among-advanced-incurable-cancer-patients-a-systematic-review-and-meta-analysis
#15
REVIEW
Toru Okuyama, Tatsuo Akechi, Lisa Mackenzie, Toshi A Furukawa
BACKGROUND: There is a high prevalence of depressive disorder and depressive symptoms among advanced, incurable cancer patients. Patients commonly report a preference for non-pharmacological treatments such as psychotherapy over pharmacological treatments for depression. The objective of this review was to investigate the effectiveness of psychotherapy for the treatment of depression in people with advanced, incurable cancer via a meta-analysis of randomized controlled trials (RCTs). METHODS: We searched research databases and clinical trial registries for studies published prior to June 2015...
April 11, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28453915/documenting-and-harnessing-the-biological-potential-of-molecules-in-distributed-drug-discovery-d3-virtual-catalogs
#16
Milata M Abraham, Ryan E Denton, Richard W Harper, William L Scott, Martin J O'Donnell, Jacob D Durrant
Virtual molecular catalogs have limited utility if member compounds are (1) difficult to synthesize or (2) unlikely to have biological activity. The Distributed Drug Discovery (D3) program addresses the synthesis challenge by providing scientists with a free virtual D3 catalog of 73,024 easy-to-synthesize N-acyl unnatural α-amino acids, their methyl esters, and primary amides. The remaining challenge is to document and exploit the bioactivity potential of these compounds. In the current work, a search process is described that retrospectively identifies all virtual D3 compounds classified as bioactive hits in PubChem-cataloged experimental assays...
April 28, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28453908/sexual-dysfunction-in-subjects-treated-with-inhibitors-of-5%C3%AE-reductase-for-benign-prostatic-hyperplasia-a-comprehensive-review-and-meta-analysis
#17
REVIEW
G Corona, G Tirabassi, D Santi, E Maseroli, M Gacci, M Dicuio, A Sforza, E Mannucci, M Maggi
Despite their efficacy in the treatment of benign prostatic hyperplasia, the popularity of inhibitors of 5α-reductase (5ARIs) is limited by their association with adverse sexual side effects. The aim of this study was to review and meta-analyze currently available randomized clinical trials evaluating the rate of sexual side effects in men treated with 5ARIs. An extensive Medline Embase and Cochrane search was performed including the following words: 'finasteride', 'dutasteride', 'benign prostatic hyperplasia'...
April 28, 2017: Andrology
https://www.readbyqxmd.com/read/28453881/effect-of-an-acute-exercise-bout-on-immediate-post-exercise-irisin-concentration-in-adults-a-meta-analysis
#18
REVIEW
Jill Fox, Brittany V Rioux, Eric D B Goulet, Neil M Johanssen, Damon L Swift, Danielle R Bouchard, Hal Loewen, Martin Sénéchal
BACKGROUND: Irisin is a recently discovered myokine that increases adipocyte metabolism, induces further "browning" of white adipose tissue, and enhance glucose metabolism. No study has ever determined how an acute bout of exercise impacts immediate post-exercise irisin concentration using a meta-analytic approach. OBJECTIVE: To determine the impact of an acute bout of exercise on the magnitude of post-exercise irisin concentration in adults using meta-analytic procedures...
April 28, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28453828/examining-the-nature-of-interprofessional-interventions-designed-to-promote-patient-safety-a-narrative-review
#19
Scott Reeves, Emma Clark, Sally Lawton, Melissa Ream, Fiona Ross
Purpose: This narrative review aimed to scope the patient safety literature to identify interprofessional intervention approaches, sources of evidence and reported outcomes. Data sources: Two major databases (MEDLINE and CINAHL) were searched from 2005 to 2015. Study selection: A total of 1552 abstracts were initially identified. After screening these abstracts, 129 full papers were obtained. Further screening resulted in a total of 89 papers included in this review...
April 1, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28453823/a-flowchart-for-building-evidence-based-care-bundles-in-intensive-care-based-on-a-systematic-review
#20
Marjon Borgert, Jan Binnekade, Frederique Paulus, Astrid Goossens, Dave Dongelmans
Purpose: The Institute for Healthcare Improvement is the founder of the care bundled approach and described the methods used on how to develop care bundles. However, other useful methods are published as well. In this systematic review, we identified what different methods were used to design care bundles in intensive care units. The results were used to build a comprehensive flowchart to guide through the care bundle design process. Data sources: Electronic databases were searched for eligible studies in PubMed, EMBASE and CINAHL from January 2001 to August 2014...
April 1, 2017: International Journal for Quality in Health Care
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