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https://www.readbyqxmd.com/read/28938616/identification-of-potential-cancer-related-pseudogenes-in-lung-adenocarcinoma-based-on-cerna-hypothesis
#1
Yunzhen Wei, Zhiqiang Chang, Cheng Wu, Yinling Zhu, Kun Li, Yan Xu
Pseudogenes are initially regarded as non-functional genomic fossils resulted from inactivating gene mutations during evolution. Far from being silent, pseudogenes are proved to regulate the expression of protein-coding genes through function as microRNA sponge in vivo. The aim of our study was to propose an integrative systems biology approach to identify disease pseudogenes base on competitive endogenous RNA (ceRNA) hypothesis. Here, we applied our method to lung adenocarcinoma (LUAD) RNASeq data from TCGA and identified 33 candidate pseudogenes...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938506/-central-aortic-blood-pressure-important-parameter-in-diagnosis%C3%A2-and-therapy
#2
Martin Middeke
In recent years great emphasis has been placed on the role of central aortic blood pressure as measured non invasively using pulse wave analysis in pathophysiology of cardiovascular diseases and clinical aspects of hypertension. The difference of blood pressure between the central aorta and the brachial artery (amplification) is not constant but varies according to physiological, pathological and pharmacological mechanisms. Central aortic blood pressure is more strongly related to cardiovascular organ damages than does brachial pressure...
September 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28936554/preoperative-flurbiprofen-axetil-administration-for-acute-postoperative-pain-a-meta-analysis-of-randomized-controlled-trials
#3
Ke Wang, Jun Luo, Limin Zheng, Tao Luo
OBJECTIVE: Non-steroidal anti-inflammatory drugs have been shown to effectively decrease postoperative pain and reduce opioid requirements. Flurbiprofen axetil is an injectable non-selective cyclooxygenase inhibitor that has a high affinity for inflammatory tissues to achieve targeted drug therapy and prolonged duration of action. This meta-analysis examined the use of preoperative flurbiprofen axetil and its impact on postoperative analgesia. METHODS: An electronic literature search of the Library of PubMed, Cochrane CENTRAL, and EMBASE databases was conducted in Feb 2016...
September 21, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28935948/novel-scaffolds-for-inhibition-of-cruzipain-identified-from-high-throughput-screening-of-anti-kinetoplastid-chemical-boxes
#4
Emir Salas-Sarduy, Lionel Urán Landaburu, Joel X Karpiak, Kevin P Madauss, Juan José Cazzulo, Fernán Agüero, Vanina Eder Alvarez
American Trypanosomiasis or Chagas disease is a prevalent, neglected and serious debilitating illness caused by the kinetoplastid protozoan parasite Trypanosoma cruzi. The current chemotherapy is limited only to nifurtimox and benznidazole, two drugs that have poor efficacy in the chronic phase and are rather toxic. In this scenario, more efficacious and safer drugs, preferentially acting through a different mechanism of action and directed against novel targets, are particularly welcome. Cruzipain, the main papain-like cysteine peptidase of T...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28934823/comprehensive-analysis-of-non-synonymous-natural-variants-of-g-protein-coupled-receptors
#5
Hee Ryung Kim, Nguyen Minh Duc, Ka Young Chung
G protein-coupled receptors (GPCRs) are the largest superfamily of transmembrane receptors and have vital signaling functions in various organs. Because of their critical roles in physiology and pathology, GPCRs are the most commonly used therapeutic target. It has been suggested that GPCRs undergo massive genetic variations such as genetic polymorphisms and DNA insertions or deletions. Among these genetic variations, non-synonymous natural variations change the amino acid sequence and could thus alter GPCR functions such as expression, localization, signaling, and ligand binding, which may be involved in disease development and altered responses to GPCR-targeting drugs...
September 19, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28934755/public-perceptions-expectations-and-views-of-community-pharmacy-practice-in-kuwait
#6
Abdelmoneim Awad, Altaf Al-Rasheedi, Jacinthe Lemay
OBJECTIVES: This study was designed to determine public patterns for use of community pharmacy, perceptions of pharmacists, confidence and trust in pharmacists, expectations about the pharmacist roles, and to explore public views and satisfaction with the current pharmacy services. SUBJECTS AND METHODS: A descriptive, cross-sectional survey was performed using a pretested self-administered questionnaire on a sample of 481 individuals selected using a two-stage stratified cluster sampling design...
September 20, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28934207/evaluation-of-the-pharmacokinetic-pharmacodynamic-relationship-of-praziquantel-in-the-schistosoma-mansoni-mouse-model
#7
Nada Abla, Jennifer Keiser, Mireille Vargas, Natalie Reimers, Helmut Haas, Thomas Spangenberg
After more than 40 years of use, Praziquantel (PZQ) still remains the drug of choice for the treatment of intestinal and urogenital schistosomiasis. Its anti-parasitic activity resides primarily in the (R)-enantiomer. Hitherto neither the molecular target nor the pharmacokinetic-pharmacodynamic relationship have been fully elucidated. Here we investigated the efficacy and pharmacokinetics of PZQ in the Schistosoma mansoni mouse model to determine the key factors that drive its efficacy. Dose-response studies with racemic PZQ with or without addition of an irreversible pan-cytochrome P450 (CYP) inhibitor, 1-aminobenzotriazole (ABT), were performed...
September 21, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28932211/strain-level-streptococcus-colonization-patterns-during-the-first-year-of-life
#8
Meredith S Wright, Jamison McCorrison, Andres M Gomez, Erin Beck, Derek Harkins, Jyoti Shankar, Stephanie Mounaud, Edelwisa Segubre-Mercado, Aileen May R Mojica, Brian Bacay, Susan A Nzenze, Sheila Z M Kimaro, Peter Adrian, Keith P Klugman, Marilla G Lucero, Karen E Nelson, Shabir Madhi, Granger G Sutton, William C Nierman, Liliana Losada
Pneumococcal pneumonia has decreased significantly since the implementation of the pneumococcal conjugate vaccine (PCV), nevertheless, in many developing countries pneumonia mortality in infants remains high. We have undertaken a study of the nasopharyngeal (NP) microbiome during the first year of life in infants from The Philippines and South Africa. The study entailed the determination of the Streptococcus sp. carriage using a lytA qPCR assay, whole metagenomic sequencing, and in silico serotyping of Streptococcus pneumoniae, as well as 16S rRNA amplicon based community profiling...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28928177/adherence-and-dosing-interval-of-subcutaneous-antitumour-necrosis-factor-biologics-among-patients-with-inflammatory-arthritis-analysis-from-a-canadian-administrative-database
#9
Peter Bhoi, Louis Bessette, Mary J Bell, Cathy Tkaczyk, Francois Nantel, Karina Maslova
OBJECTIVES: Subcutaneous tumour necrosis factor alpha TNFαinhibitors (SC-TNFis) such as golimumab (GLM), adalimumab (ADA), etanercept (ETA) and certolizumab pegol (CZP) have been used for many years for the treatment of inflammatory arthritis. Non-adherence to therapy is an important modifiable factor that may compromise patient outcomes. The aim of this analysis was to compare adherence and dosing interval of SC-TNFis in the treatment of people with inflammatory arthritis. DESIGN: We used the IMS Brogan database combining both Canadian private and public drug plan databases of Ontario and Quebec...
September 18, 2017: BMJ Open
https://www.readbyqxmd.com/read/28928019/benzoylecgonine-exposure-induced-oxidative-stress-and-altered-swimming-behavior-and-reproduction-in-daphnia-magna
#10
Marco Parolini, Beatrice De Felice, Claudia Ferrario, Noelia Salgueiro-González, Sara Castiglioni, Antonio Finizio, Paolo Tremolada
Several monitoring studies have shown that benzoylecgonine (BE) is the main illicit drug residue commonly measured in the aquatic system worldwide. Few studies have investigated the potential toxicity of this molecule towards invertebrate and vertebrate aquatic non-target organisms focusing on effects at low levels of the biological organization, but no one has assessed the consequences at higher ones. Thus, the present study was aimed at investigating the toxicity of a 48-h exposure to two concentrations of BE, similar to those found in aquatic ecosystems (0...
September 16, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28922548/lncrna-plac2-down-regulates-rpl36-expression-and-blocks-cell-cycle-progression-in-glioma-through-a-mechanism-involving-stat1
#11
Yan-Wei Hu, Chun-Min Kang, Jing-Jing Zhao, Ying Nie, Lei Zheng, Hai-Xia Li, Xin Li, Qian Wang, Yu-Rong Qiu
Current glioma therapies allow in situ delivery of cytotoxic drugs to the tumour; however, gliomas show early recurrence due to their highly proliferative character. Long non-coding (lnc)RNAs play critical roles in tumorigenesis by controlling cell proliferation and cycling. However, the mechanism of action of lncRNAs in glioma development remains unclear. Here, we report that the lncRNA PLAC2 induces cell cycle arrest by targeting ribosomal protein (RP)L36 in glioma. RPL36 promoted cell proliferation and G1/S cell cycle progression...
September 18, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28921497/quantitative-analysis-of-nucleic-acid-stability-with-ligands-under-high-pressure-to-design-novel-drugs-targeting-g-quadruplexes
#12
Shuntaro Takahashi, Naoki Sugimoto
Nucleic acids (DNA and RNA) can form various non-canonical structures. Because some serious diseases are caused by the conformational change of G-quadruplex DNA structures, the development of ligands that bind and stabilize G-quadruplex DNA is of interest to the field of nucleic acid chemistry. Volumetric changes (ΔV) in the biomolecular reaction include the structural change of biomolecules and hydration behaviors, which provide information about the tertiary interaction between G-quadruplex DNA and ligands...
September 18, 2017: Current Protocols in Nucleic Acid Chemistry
https://www.readbyqxmd.com/read/28918577/microarray-based-snp-genotyping-to-identify-genetic-risk-factors-of-triple-negative-breast-cancer-tnbc-in-south-indian-population
#13
M Aravind Kumar, Vineeta Singh, Shaik Mohammad Naushad, Uday Shanker, M Lakshmi Narasu
In the view of aggressive nature of Triple-Negative Breast cancer (TNBC) due to the lack of receptors (ER, PR, HER2) and high incidence of drug resistance associated with it, a case-control association study was conducted to identify the contributing genetic risk factors for Triple-negative breast cancer (TNBC). A total of 30 TNBC patients and 50 age and gender-matched controls of Indian origin were screened for 9,00,000 SNP markers using microarray-based SNP genotyping approach. The initial PLINK association analysis (p < 0...
September 16, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28915510/drug-eluting-vs-bare-metal-stents-in-patients-with-chronic-kidney-disease-and-coronary-artery-disease-insights-from-a-systematic-review-and-meta-analysis
#14
Alexander Volodarskiy, Sunil Kumar, Radoslaw Pracon, Mandeep Sidhu, Evgeny Kretov, Tomasz Mazurek, Olga Bockeria, Upendra Kaul, Sripal Bangalore
BACKGROUND: Most drug-eluting stent (DES) trials have excluded patients with chronic kidney disease (CKD). The efficacy of DES implantation in patients with CKD is therefore not known. OBJECTIVES: To evaluate the outcomes with DES vs bare-metal stent (BMS) implantation in patients with CKD. METHODS AND RESULTS: MEDLINE, EMBASE, and CENTRAL were searched for studies including at least 100 patients with CKD (estimated glomerular filtration rate ≤60 mL/min/1...
September 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28911852/molecular-epidemiology-and-the-resistance-and-virulence-properties-of-pseudomonas-aeruginosa-cross-colonization-clonal-isolates-in-the-non-outbreak-setting
#15
Pengwei Hu, Jiayi Chen, Yuhang Chen, Tao Zhou, Xin Xu, Xiaofang Pei
The molecular epidemiology of Pseudomonas aeruginosa cross-colonization isolates has received limited attention in the non-outbreak setting. Also the roles of P. aeruginosa resistance and virulence in cross-colonization need to be further studied. This study aims to launch a tracking investigation to determine the epidemiological relationship of P. aeruginosa clinical and environmental isolates, identify the cross-colonization routes, and characterize the resistance and virulence properties of clonal clusters and sporadic strains in the respiratory care wards of a tertiary care hospital...
September 11, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28911328/devolution-and-its-effects-on-health-workforce-and-commodities-management-early-implementation-experiences-in-kilifi-county-kenya
#16
Benjamin Tsofa, Catherine Goodman, Lucy Gilson, Sassy Molyneux
BACKGROUND: Decentralisation is argued to promote community participation, accountability, technical efficiency, and equity in the management of resources, and has been a recurring theme in health system reforms for several decades. In 2010, Kenya passed a new constitution that introduced 47 semi-autonomous county governments, with substantial transfer of responsibility for health service delivery from the central government to these counties. Focusing on two key elements of the health system, Human Resources for Health (HRH) and Essential Medicines and Medical Supplies (EMMS) management, we analysed the early implementation experiences of this major governance reform at county level...
September 15, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28904388/protective-efficacy-of-phosphodiesterase-1-inhibition-against-alpha-synuclein-toxicity-revealed-by-compound-screening-in-luhmes-cells
#17
Matthias Höllerhage, Claudia Moebius, Johannes Melms, Wei-Hua Chiu, Joachim N Goebel, Tasnim Chakroun, Thomas Koeglsperger, Wolfgang H Oertel, Thomas W Rösler, Marc Bickle, Günter U Höglinger
α-synuclein-induced neurotoxicity is a core pathogenic event in neurodegenerative synucleinopathies such as Parkinson's disease, dementia with Lewy bodies, or multiple system atrophy. There is currently no disease-modifying therapy available for these diseases. We screened 1,600 FDA-approved drugs for their efficacy to protect LUHMES cells from degeneration induced by wild-type α-synuclein and identified dipyridamole, a non-selective phosphodiesterase inhibitor, as top hit. Systematic analysis of other phosphodiesterase inhibitors identified a specific phosphodiesterase 1 inhibitor as most potent to rescue from α-synuclein toxicity...
September 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28903093/chlorination-chloramination-and-ozonation-of-carbamazepine-enhance-cytotoxicity-and-genotoxicity-multi-endpoint-evaluation-and-identification-of-its-genotoxic-transformation-products
#18
Yingnan Han, Mei Ma, Na Li, Rui Hou, Chao Huang, Yoshimitsu Oda, Zijian Wang
Investigations have focused on the removal and transformation of pharmaceuticals during drinking water and wastewater treatment. In the present study, we investigated for the first time the changes of the cytotoxicity and genotoxicity based on different modes of action (MoAs) during chlorination, chloramination and ozonation processes of the anti-epileptic drug carbamazepine (CBZ). The results illustrated that ozonation enhanced the cytotoxicity and the chromosome damage effects on CHO-K1 cells detected by cytokinesis-block micronucleus (CBMN) assay based on high-content screening technique, though ozonation showed the highest removal efficiency for CBZ...
September 1, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28899424/clade-homogeneity-and-low-rate-of-delta-virus-despite-hyperendemicity-of-hepatitis-b-virus-in-ethiopia
#19
Yeshambel Belyhun, Uwe Gerd Liebert, Melanie Maier
BACKGROUND: Although hepatitis B virus (HBV) is hyperendemic and heterogeneous in its genetic diversity in Ethiopia, little is known about hepatitis D virus (HDV) circulating genotypes and molecular diversity. METHODS: A total of 321 hepatitis B surface antigen (HBsAg) positives (125 HIV co-infected, 102 liver disease patients and 94 blood donors) were screened for anti-HDV antibody. The anti-HDV positive sera were subjected to Real time PCR for HDV-RNA confirmation...
September 12, 2017: Virology Journal
https://www.readbyqxmd.com/read/28893246/voriconazole-and-posaconazole-therapeutic-drug-monitoring-a-retrospective-study
#20
Whitley M Yi, Kelly E Schoeppler, Jaclyn Jaeger, Scott W Mueller, Robert MacLaren, Douglas N Fish, Tyree H Kiser
BACKGROUND: Therapeutic drug monitoring (TDM) aims to minimize the clinical impact of posaconazole and voriconazole pharmacokinetic variability. However, its benefits on clinical outcomes are still being defined. Additionally, TDM data are limited for posaconazole IV and delayed-release tablet formulations among specific patient populations, including critically ill. The aim of this study was to determine the percentage of therapeutic posaconazole and voriconazole drug levels across all formulations in a real-world clinical setting and elucidate factors affecting attainment of target concentrations...
September 11, 2017: Annals of Clinical Microbiology and Antimicrobials
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