keyword
MENU ▼
Read by QxMD icon Read
search

Library

keyword
https://www.readbyqxmd.com/read/29156842/associations-between-egfr-gene-polymorphisms-and-susceptibility-to-glioma-a-systematic-review-and-meta-analysis-from-gwas-and-case-control-studies
#1
Xiao Yu, Nian Rong Sun, Hai Tao Jang, Shi Wen Guo, Min Xue Lian
The results of genome-wide association studies (GWAS) and case-control studies performed to investigate the associations between epidermal growth factor receptor (EGFR) gene polymorphisms and glioma risk are controversial. The aim of this systematic review and meta-analysis is to determine whether EGFR gene polymorphisms are associated with glioma risk by searching 'PubMed', 'EMBASE', 'Web of Science', 'Cochrane Library' and 'China WeiPu Library' to retrieve studies that investigated associations between EGFR gene polymorphisms and glioma risk...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156837/meta-analysis-of-efficacy-and-adverse-events-of-erlotinib-based-targeted-therapies-for-advanced-metastatic-non-small-cell-lung-cancer
#2
Fei Li, Shu-Hua Zhang, Li-Min Pang
A network meta-analysis evaluating efficacy and adverse events of eight erlotinib-based therapies (erlotinib+placebo, erlotinib+tivantinib, erlotinib+celecoxib, erlotinib+onartuzumab, erlotinib+sunitinib, erlotinib+entinostat, erlotinib+sorafenib, and erlotinib+bevacizumab) for advanced/metastatic non-small-cell lung cancer (NSCLC) was performed. PubMed and Cochrane Library were reviewed, and ten randomized controlled trials were identified in which patients receiving at least one erlotinib-based therapy. Efficacy outcomes, including progression-free survival (PFS), overall survival (OS), overall response rate (ORR), disease control rate (DCR), and adverse outcomes were evaluated...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156625/gene-based-pathogen-detection-can-we-use-qpcr-to-predict-the-outcome-of-diagnostic-metagenomics
#3
Sandra Christine Andersen, Mette Sofie Rousing Fachmann, Kristoffer Kiil, Eva Møller Nielsen, Jeffrey Hoorfar
In microbial food safety, molecular methods such as quantitative PCR (qPCR) and next-generation sequencing (NGS) of bacterial isolates can potentially be replaced by diagnostic shotgun metagenomics. However, the methods for pre-analytical sample preparation are often optimized for qPCR, and do not necessarily perform equally well for qPCR and sequencing. The present study investigates, through screening of methods, whether qPCR can be used as an indicator for the optimization of sample preparation for NGS-based shotgun metagenomics with a diagnostic focus...
November 20, 2017: Genes
https://www.readbyqxmd.com/read/29156137/biologically-consistent-annotation-of-metabolomics-data
#4
Nicholas Alden, Smitha Krishnan, Vladimir Porokhin, Ravali Raju, Kyle McElearney, Alan Gilbert, Kyongbum Lee
Annotation of metabolites remains a major challenge in liquid chromatography-mass spectrometry (LC-MS) based untargeted metabolomics. The current gold standard for metabolite identification is to match the detected feature with an authentic standard analyzed on the same equipment and using the same method as the experimental samples. However, there are substantial practical challenges in applying this approach to large datasets. One widely used annotation approach is to search spectral libraries in reference databases for matching metabolites; however, this approach is limited by the incomplete coverage of these libraries...
November 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29156120/combining-fragment-ion-and-neutral-loss-matching-during-mass-spectral-library-searching-a-new-general-purpose-algorithm-applicable-to-illicit-drug-identification
#5
Arun Senthan Moorthy, William Edward Wallace, Anthony José Kearsley, Dmitrii V Tchekhovskoi, Stephen E Stein
A mass spectral library search algorithm that identifies compounds that differ from library compounds by a single 'inert' structural component is described. This algorithm, the Hybrid Similarity Search, generates a similarity score based on matching both fragment ions and neutral losses. It employs the parameter DeltaMass, defined as the mass difference between query and library compounds, to shift neutral loss peaks in the library spectrum to match corresponding neutral loss peaks in the query spectrum. When the spectra being compared differ by a single structural feature, these matching neutral loss peaks should contain that structural feature...
November 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29155853/novel-chloroacetamido-compound-cwr-j02-is-an-anti-inflammatory-glutaredoxin-1-inhibitor
#6
Olga Gorelenkova Miller, Kyle S Cole, Corey C Emerson, Dharmaraja Allimuthu, Marcin Golczak, Phoebe L Stewart, Eranthie Weerapana, Drew J Adams, John J Mieyal
Glutaredoxin (Grx1) is a ubiquitously expressed thiol-disulfide oxidoreductase that specifically catalyzes reduction of S-glutathionylated substrates. Grx1 is known to be a key regulator of pro-inflammatory signaling, and Grx1 silencing inhibits inflammation in inflammatory disease models. Therefore, we anticipate that inhibition of Grx1 could be an anti-inflammatory therapeutic strategy. We used a rapid screening approach to test 504 novel electrophilic compounds for inhibition of Grx1, which has a highly reactive active-site cysteine residue (pKa 3...
2017: PloS One
https://www.readbyqxmd.com/read/29155817/analysis-of-the-interactome-of-schistosoma-mansoni-histone-deacetylase-8
#7
Stéphanie Caby, Lucile Pagliazzo, Julien Lancelot, Jean-Michel Saliou, Nicolas Bertheaume, Raymond J Pierce, Emmanuel Roger
BACKGROUND: Histone deacetylase 8 from Schistosoma mansoni (SmHDAC8) is essential to parasite growth and development within the mammalian host and is under investigation as a target for the development of selective inhibitors as novel schistosomicidal drugs. Although some protein substrates and protein partners of human HDAC8 have been characterized, notably indicating a role in the function of the cohesin complex, nothing is known of the partners and biological function of SmHDAC8. METHODOLOGY/PRINCIPAL FINDINGS: We therefore employed two strategies to characterize the SmHDAC8 interactome...
November 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29155775/mapping-genome-wide-accessible-chromatin-in-primary-human-t-lymphocytes-by-atac-seq
#8
Ivana Grbesa, Miriam Tannenbaum, Avital Sarusi-Portuguez, Michal Schwartz, Ofir Hakim
Assay for Transposase-Accessible Chromatin with high-throughput sequencing (ATAC-seq) is a method used for the identification of open (accessible) regions of chromatin. These regions represent regulatory DNA elements (e.g., promoters, enhancers, locus control regions, insulators) to which transcription factors bind. Mapping the accessible chromatin landscape is a powerful approach for uncovering active regulatory elements across the genome. This information serves as an unbiased approach for discovering the network of relevant transcription factors and mechanisms of chromatin structure that govern gene expression programs...
November 13, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155520/high-expression-level-of-long-non-coding-rna-hotair-is-associated-with-poor-overall-survival-in-gastric-cancer-patients-evidence-from-meta-analysis
#9
Mingxu Da, Jichun Ma, Yongbin Zhang, Jian Yang, Jibin Yao, Boyuan Huang, Hong Ma, Long Ge
PURPOSE: Although several studies have investigated the association between the development of gastric cancer (GC) and the expression level of long non-coding (lnc) RNA HOTAIR, no clear evidence about whether its expression is associated with the overall survival (OS) of GC patients exists. In this study we tried to explore the association between lncRNA HOTAIR expression levels with OS and other clinical features in GC patients. METHODS: Databases including PubMed, EMBASE and the Cochrane Library were used to search eligible studies...
July 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29155430/engineering-peptide-ligase-specificity-by-proteomic-identification-of-ligation-sites
#10
Amy M Weeks, James A Wells
Enzyme-catalyzed peptide ligation is a powerful tool for site-specific protein bioconjugation, but stringent enzyme-substrate specificity limits its utility. We developed an approach for comprehensively characterizing peptide ligase specificity for N termini using proteome-derived peptide libraries. We used this strategy to characterize the ligation efficiency for >25,000 enzyme-substrate pairs in the context of the engineered peptide ligase subtiligase and identified a family of 72 mutant subtiligases with activity toward N-terminal sequences that were previously recalcitrant to modification...
November 20, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/29155225/a-systematic-review-of-the-long-term-effectiveness-of-work-based-lifestyle-interventions-to-tackle-overweight-and-obesity
#11
REVIEW
Greta Tam, May P S Yeung
Obesity is one of the five leading global risks for mortality, accounting for 5% of deaths worldwide. Workplace health promotion programs have the potential to deliver population-level interventions combining physical activity and exercise. However, there is no recent critical review of trials on long-term effectiveness of multicomponent lifestyle interventions in the workplace targeting obesity. Good quality evidence is needed to develop optimal strategies to tackle adult obesity. 1035 studies were retrieved by literature search in MEDLINE, Embase, PSYCH INFO and Cochrane library from 2005 to September 2016...
November 16, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/29155174/ethnopharmacology-phytochemistry-and-pharmacology-of-cornus-officinalis-sieb-et-zucc
#12
REVIEW
Jun Huang, Yiwei Zhang, Lin Dong, Qinghan Gao, Lei Yin, Hongfeng Quan, Rong Chen, Xueyan Fu, Dingbo Lin
ETHNOPHARMACOLOGICAL RELEVANCE: Cornus officinalis (Cornaceae), known in Chinese as "Shanzhuyu," is a frequently used traditional Chinese medicine. It tastes sour and is astringent and slightly warm in nature. Its fruits have long been used to treat kidney deficiency, high blood pressure, waist and knee pain, dizziness, tinnitus, impotence, spermatorrhea, menorrhagia, and other diseases in China. The main distribution areas are Shanxi and Gansu. AIM OF THE STUDY: This review focused on the ethnopharmacological uses of the herb...
November 16, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29154845/effects-of-trans-stilbene-and-terphenyl-compounds-on-different-strains-of-leishmania-and-on-cytokines-production-from-infected-macrophages
#13
Federica Bruno, Germano Castelli, Fabrizio Vitale, Elisa Giacomini, Marinella Roberti, Claudia Colomba, Antonio Cascio, Manlio Tolomeo
Most of the antileishmanial modern therapies are not satisfactory due to high toxicity or emergence of resistance and high cost of treatment. Previously, we observed that two compounds of a small library of trans-stilbene and terphenyl derivatives, ST18 and TR4, presented the best activity and safety profiles against Leishmania infantum promastigotes and amastigotes. In the present study we evaluated the effects of ST18 and the TR4 in 6 different species of Leishmania and the modifications induced by these two compounds in the production of 8 different cytokines from infected macrophages...
November 14, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/29154837/neuroprotective-effect-of-an-nrf2-are-activator-identified-from-a-chemical-library-on-dopaminergic-neurons
#14
Yasuhiko Izumi, Harue Kataoka, Yuri Inose, Akinori Akaike, Yutaka Koyama, Toshiaki Kume
The nuclear factor erythroid 2-related factor 2 (Nrf2)-antioxidant response element (ARE) pathway, which induces the production of antioxidant enzymes, is a possible therapeutic target for treating diseases related to oxidative stress. Nrf2 activators often exhibit cytotoxicity due to nonspecific electrophilic reactions with thiol groups. We screened a chemical library to explore Nrf2 activators with a wide safety margin. In at least in vitro experiments, TPNA10168, identified from the library, showed a higher efficacy in Nrf2 activation and a lower cytotoxicity than sulforaphane, a well-known Nrf2 activator...
November 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29154815/vitamin-d-and-new-onset-atrial-fibrillation-a-meta-analysis-of-randomized-controlled-trials
#15
REVIEW
Wei-Ling Huang, Jun Yang, Jian Yang, Hui-Bo Wang, Chao-Jun Yang, Ying Yang
OBJECTIVES: To research vitamin D levels in the prevention of new-onset atrial fibrillation(AF), we conducting a systematic review of randomised controlled trials (RCTs). METHODS: The MEDLINE, EMBASE and Cochrane Library were searched for English-language RCTs published before September 2016.We focus on the vitamin D levels in the prevention of new-onset AF. The outcomes assessed were vitamin D levels, left ventricular ejection fraction (LVEF) and Left atrium diameter...
November 14, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/29154691/optimal-screening-methods-to-detect-cardiac-disorders-in-athletes-an-evidence-based-review
#16
Zachary K Winkelmann, Ashley K Crossway
Reference/Citation:  Harmon KG, Zigman M, Drezner JA. The effectiveness of screening history, physical exam, and ECG to detect potentially lethal cardiac disorders in athletes: a systematic review/meta-analysis. J Electrocardiol. 2015;48(3):329-338. CLINICAL QUESTION:   Which screening method should be considered best practice to detect potentially lethal cardiac disorders during the preparticipation physical examination (PE) of athletes? DATA SOURCES:   The authors completed a comprehensive literature search of MEDLINE, CINAHL, Cochrane Library, Embase, Physiotherapy Evidence Database (PEDro), and SPORTDiscus from January 1996 to November 2014...
November 20, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29154499/fuzzyid2-a-software-package-for-large-dataset-species-identification-via-barcoding-and-metabarcoding-using-hidden-markov-models-and-fuzzy-set-methods
#17
Z Y Shi, C Q Yang, M D Hao, X Y Wang, R D Ward, A B Zhang
Species identification through DNA barcoding or metabarcoding has become a key approach for biodiversity evaluation and ecological studies. However, the rapid accumulation of barcoding data has created some difficulties: for instance, global enquiries to a large reference library can take a very long time. We here devise a two-step searching strategy to speed identification procedures of such queries. This firstly uses a Hidden Markov Model (HMM) algorithm to narrow the searching scope to genus level, and then determines the corresponding species using minimum genetic distance...
November 20, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/29154440/mapping-of-the-available-chemical-space-versus-the-chemical-universe-of-lead-like-compounds
#18
Arkadii Lin, Dragos Horvath, Valentina Afonina, Gilles Marcou, Reymond Jean-Louis, Alexandre Varnek
This is, to our knowledge, the to-date most comprehensive analysis based on Generative Topographic Mapping (GTM) of the fragment-like chemical space (40M molecules with no more than 17 heavy atoms, both from the theoretically enumerated GDB-17, and real-world PubChem/ChEMBL). The challenge was to prove that a robust map of fragment-like chemical space can actually be built, in spite of a limited (<105) maximal number of compounds ("frame set") usable for fitting the GTM manifold. An evolutionary map building strategy has been updated with a "coverage check" step, discarding manifolds failing to accommodate compounds outside the frame set...
November 20, 2017: ChemMedChem
https://www.readbyqxmd.com/read/29154263/the-effectiveness-of-proprioceptive-and-neuromuscular-training-compared-to-bracing-in-reducing-the-recurrence-rate-of-ankle-sprains-in-athletes-a-systematic-review-and-meta-analysis
#19
M Burger, D Dreyer, R L Fisher, D Foot, D H O'connor, M Galante, S Zalgaonkir
BACKGROUND: Ankle sprains are common musculoskeletal injuries in which the ligaments of the ankle partially or completely tear due to sudden stretching. OBJECTIVES: To critically appraise, evaluate and establish the best available evidence to determine the effectiveness of proprioceptive and neuromuscular training (PNT) compared to bracing in reducing the recurrence rate of ankle sprains in athletes. METHODOLOGY: The following seven databases were searched in June 2017: PubMed, Cochrane Library, PEDro, ScienceDirect, Scopus, SPORTDiscus, EBSCO Host: CINAHL...
November 10, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29154122/broncho-vaxom-in-pediatric-recurrent-respiratory-tract-infections-a-systematic-review-and-meta-analysis
#20
REVIEW
Ju Yin, Baoping Xu, Xiantao Zeng, Kunling Shen
OBJECTIVES: Assess the efficacy and safety of Broncho-Vaxom in pediatric recurrent respiratory tract infections (RRTIs). METHODS: Published randomized controlled trials (RCTs) of Broncho-Vaxom for pediatric RRTI were searched using PubMed, Embase, Cochrane Library, CBM, CNKI, WanFang Data, and VIP databases up to January 2017. Risk of bias was evaluated in accordance to the guidelines of the Cochrane collaboration and the level of evidence was graded according to the GRADE...
November 16, 2017: International Immunopharmacology
keyword
keyword
1860
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"