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https://www.readbyqxmd.com/read/28636784/audio-computer-assisted-survey-interview-and-patient-navigation-to-increase-chronic-viral-hepatitis-diagnosis-and-linkage-to-care-in-urban-health-clinics
#1
A N de la Torre, I Castaneda, M Ahmad, N Ekholy, N Tham, I B Herrera, P Beaty, R J Malapero, Farhan Ayoub, J Slim, M B Johnson
Intravenous drug use and sexual practices account for 60% of hepatitis C (HCV) and B (HBV) infection. Disclosing these activities can be embarrassing, reduce risk reporting, blood testing and diagnosis. In diagnosed patients, linkage to care remains a challenge. Audio-computer assisted survey interview (Audio-CASI) was used to guide HCV and HBV infection testing in urban clinics. Risk reporting, blood-testing, and serology results were compared to historical controls. A Patient Navigator (PN) followed up blood test results and provided patients with positive serology linkage to care...
June 21, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28635335/a-novel-synergetic-targeting-strategy-for-glioma-therapy-employing-borneol-combination-with-angiopep-2-modified-dox-loaded-pamam-dendrimer
#2
Shunping Han, Hongyue Zheng, Yanping Lu, Yue Sun, Anhao Huang, Weidong Fei, Xiaowei Shi, Xiuling Xu, Jingjing Li, Fanzhu Li
Glioma is the most common primary malignant brain tumor and the effect of chemotherapy is hampered by low permeability across the blood-brain-barrier (BBB). Borneol is a time-honored 'Guide' drug in traditional Chinese medicine and has been proved to be capable of promoting free drugs into the brain efficiently, but there are still risks that free drugs, especially anti-glioma drugs, may be disassembled and metabolized before penetrating the BBB and caused the whole brain distribution. The purpose of this paper was to investigate whether borneol intervention could facilitate the BBB penetration and assist glioma treatment by combining with doxorubicin (DOX) loaded PAMAM dendrimers drug delivery system modified with Angiopep-2 (a ligand of the low-density lipoprotein receptor-related protein, which overexpress both in the BBB and gliomas)...
June 21, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28634521/a-review-of-echocardiograms-in-hypertensive-patients-greater-than-60-years-in-a-community-based-family-medicine-program
#3
Shideh Doroudi, Michael D DeLisi, Vincent A DeBari
Background: Heart disease as a result of Hypertension is known to occur. Anatomical and functional changes of the heart can easily be detected by echocardiography, which is a safe and readily available study. Objectives: The aims of this study were to evaluate the prevalence of common echocardiographic changes in chronic hypertensive patients and to compare these changes in male and female populations. Design/methods: The study was a community-based cross-sectional study, on 227 hypertensive patients, 60 years and older, seen in St...
January 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28634494/antiviral-activity-of-fridericia-formosa-bureau-l-g-lohmann-bignoniaceae-extracts-and-constituents
#4
Geraldo Célio Brandão, Erna G Kroon, José D Souza Filho, Alaíde Braga Oliveira
A phytochemical study of Fridericia formosa (Bignoniaceae) ethanol extracts of leaves, stems, and fruits was guided by in vitro assays against vaccinia virus Western Reserve (VACV-WR), human herpes virus 1 (HSV-1), murine encephalomyocarditis virus (EMCV), and dengue virus type 2 (DENV-2) by the MTT method. All the ethanol extracts were active against DENV-2, HSV-1, and VACV-WR with best results for the fruits extract against DENV-2 (SI > 38.2). For VACV-WR and HSV-1, EC50 values > 200 μg mL(-1) were determined, while no inhibition of the cytopathic effect was observed with EMCV...
2017: Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28633695/how-should-discordance-between-molecular-and-growth-based-assays-for-rifampicin-resistance-be-investigated
#5
S Hofmann-Thiel, H Hoffmann, D Hillemann, L Rigouts, A Van Deun, K Kranzer
Molecular tests to detect the presence of Mycobacterium tuberculosis and genetic polymorphisms in the rpoB gene conferring resistance to rifampicin (RMP) have become integral parts of tuberculosis diagnostics worldwide. These assays are often performed sequentially or in parallel to phenotypic drug susceptibility testing. Discordances between molecular and phenotypic tests invariably occur. Root causes range from pre-, post- and analytic errors to co-existence of non-tuberculous mycobacteria, silent mutations, mutations outside the 81 base-pair RMP resistance-determining region, non-canonical mutations conferring increased minimal inhibitory concentrations below the critical concentration in some phenotypic drug susceptibility tests, and heteroresistance...
July 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28632168/a-comparative-study-of-the-structural-dynamics-of-four-terminal-uridylyl-transferases
#6
Kevin J Cheng, Özlem Demir, Rommie E Amaro
African trypanosomiasis occurs in 36 countries in sub-Saharan Africa with 10,000 reported cases annually. No definitive remedy is currently available and if left untreated, the disease becomes fatal. Structural and biochemical studies of trypanosomal terminal uridylyl transferases (TUTases) demonstrated their functional role in extensive uridylate insertion/deletion of RNA. Trypanosoma brucei RNA Editing TUTase 1 (TbRET1) is involved in guide RNA 3' end uridylation and maturation, while TbRET2 is responsible for U-insertion at RNA editing sites...
June 20, 2017: Genes
https://www.readbyqxmd.com/read/28631765/-noninvasive-ventilation-and-sedation-evidence-and-practical-tools-for-its-utilization
#7
Ilaria Battistoni, Marco Marini, Giorgio Caretta, Fabio Vagnarelli, Fabiana Lucà, Emilia Biscottini, Alberto Lavorgna, Vincenza Procaccini, Letizia Riva, Gabriele Vianello, Nadia Aspromonte, Massimo Iacoviello, Renata De Maria, Serafina Valente, Michele Massimo Gulizia
Noninvasive ventilation (NIV) has gained increased acceptance inside the critical area, since it has been shown to be effective in reducing or avoiding the need for oro-tracheal intubation. NIV efficacy is dependent on the selection of the appropriate patients and on their compliance to therapy. Actually, full collaboration is not easily reached especially in agitated patients.Sedation during NIV is useful to reduce the rate of treatment failure, but robust data to guide the development of best practice are limited and sometimes local customs appear to exert a strong influence on patterns of care...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28631762/-safety-and-tolerability-of-oral-hypoglycemic-therapies-in-type-2-diabetes-mellitus-patients-at-high-cardiovascular-risk
#8
Giuseppe Ambrosio, Gaetano M De Ferrari, Massimo Federici, Pasquale Perrone Filardi
Oral hypoglycemic drugs for type 2 diabetes aim at preventing the metabolic effects of hyperglycemia and cardiovascular (CV) events. The evidence of the possible CV risk related to the prescription of some antidiabetic drugs prompted regulatory agencies to require safety studies. This review provides an updated analysis of CV safety profiles for antidiabetic drugs used for the treatment of patients with high CV risk.The most recent studies analyze different aspects of CV morbidity, such as ischemic events, heart failure and arrhythmia, and their interactions with hyperglycemia...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28631514/pharmacokinetics-and-dosing-requirements-of-digoxin-in-pregnant-women-treated-for-fetal-supraventricular-tachycardia
#9
Ana Martin-Suarez, Jose German Sanchez-Hernandez, Fabiola Medina-Barajas, Jonas Samuel Perez Blanco, Jose M Lanao, Luisa Garcia-Cuenllas Alvarez, M Victoria Calvo
BACKGROUND: The objective of this study was to characterize the pharmacokinetics (PK) of digoxin in pregnant women and its potential implications for drug dosing. METHODS: Serum digoxin concentrations (SDCs) obtained in pregnant women treated for fetal supraventricular tachycardia (SVT) was retrospectively collected. PK analysis was comparatively performed using a two-stage approach (PKS™) and a Population PK approach (NONMEM™). As clinical outcome the fetal heart rate was recorded...
June 20, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28630494/structure-guided-design-of-c4-alkyl-1-4-dihydro-2h-pyrimido-4-5-d-1-3-oxazin-2-ones-as-potent-and-mutant-selective-epidermal-growth-factor-receptor-egfr-l858r-t790m-inhibitors
#10
Yongjia Hao, Jiankun Lyu, Rong Qu, Deheng Sun, Zhenjiang Zhao, Zhuo Chen, Jian Ding, Hua Xie, Yufang Xu, Honglin Li
Epidermal growth factor receptor (EGFR) T790M acquired drug-resistance mutation has become a major clinical challenge for the therapy of non-small cell lung cancer. Here, we applied a structure-guided approach on the basis of the previous reported EGFR inhibitor (compound 9), and designed a series of C4-alkyl-1,4-dihydro-2H-pyrimido[4,5-d][1,3]oxazin-2-one derivatives as novel mutant-selective EGFR inhibitors. Finally, the most representative compound 20a was identified, which showed high selectivity at both enzymatic and cellular levels against EGFR(L858R/T790M) (H1975 cell lines) over EGFR(WT) (A431 cell lines)...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630217/effectiveness-of-conservative-interventions-including-exercise-manual-therapy-and-medical-management-in-adults-with-shoulder-impingement-a-systematic-review-and-meta-analysis-of-rcts
#11
REVIEW
Ruedi Steuri, Martin Sattelmayer, Simone Elsig, Chloé Kolly, Amir Tal, Jan Taeymans, Roger Hilfiker
OBJECTIVE: To investigate the effectiveness of conservative interventions for pain, function and range of motion in adults with shoulder impingement. DESIGN: Systematic review and meta-analysis of randomised trials. DATA SOURCES: Medline, CENTRAL, CINAHL, Embase and PEDro were searched from inception to January 2017. STUDY SELECTION CRITERIA: Randomised controlled trials including participants with shoulder impingement and evaluating at least one conservative intervention against sham or other treatments...
June 19, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28629462/treatment-decisions-for-older-adults-with-advanced-chronic-kidney-disease
#12
REVIEW
Steven J Rosansky, Jane Schell, Joseph Shega, Jennifer Scherer, Laurie Jacobs, Cecile Couchoud, Deidra Crews, Matthew McNabney
Dialysis initiation rates among older adults, aged 75 years or greater, are increasing at a faster rate than for younger age groups. Older adults with advanced CKD (eGFR < 30 ml/min/1.73 m(2)) typically lose renal function slowly, often suffer from significant comorbidity and thus may die from associated comorbidities before they require dialysis.A patient's pattern of renal function loss over time in relation to their underlying comorbidities can serve as a guide to the probability of a future dialysis requirement...
June 19, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28629155/repositioning-fda-drugs-as-potential-cruzain-inhibitors-from-trypanosoma-cruzi-virtual-screening-in-vitro-and-in-vivo-studies
#13
Isidro Palos, Edgar E Lara-Ramirez, Julio Cesar Lopez-Cedillo, Carlos Garcia-Perez, Muhammad Kashif, Virgilio Bocanegra-Garcia, Benjamin Nogueda-Torres, Gildardo Rivera
Chagas disease (CD) is a neglected disease caused by the parasite Trypanosoma cruzi, which affects underdeveloped countries. The current drugs of choice are nifurtimox and benznidazole, but both have severe adverse effects and less effectivity in chronic infections; therefore, the need to discover new drugs is essential. A computer-guided drug repositioning method was applied to identify potential FDA drugs (approved and withdrawn) as cruzain (Cz) inhibitors and trypanocidal effects were confirmed by in vitro and in vivo studies...
June 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28628737/analysis-of-structure-activity-relationships-based-on-the-hcv-sliib-ires-rna-targeting-gghyrfk-cu-complex
#14
Martin J Ross, Insiya Fidai, James Allan Cowan
New therapeutics for the targeting of the hepatitis C virus have been released in recent years. Although these therapies are less prone to resistance, they are still administered in cocktails as a combination of drugs targeting various aspects of the viral life cycle. Herein, we aim to contribute to an arsenal of new HCV therapeutics by targeting HCV internal ribosomal entry sequence (IRES) RNA via development of catalytic metallodrugs that function to degrade rather than inhibit the target molecule. Based on a previously characterized HCV IRES stem-loop IIb RNA-targeting metallopeptide Cu-GGHYrFK (1-Cu), an all L-analogue (3-Cu) and a series of additional complexes with single alanine substitutions in the targeting domain were prepared and screened to determine the influence each amino acid side-chain on RNA localization and recognition, and catalytic reactivity toward the RNA...
June 19, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28628677/impact-of-a-31-gene-expression-profiling-test-for-cutaneous-melanoma-on-dermatologists-clinical-management-decisions
#15
Aaron S Farberg, Alex M Glazer, Richard White, Darrell S Rigel
<p>Importance: Current guidelines for cutaneous malignant melanoma (CMM) provide general recommendations regarding surveillance while indicating that management should be tailored to patients' individual probability of recurrence. A 31-gene expression profile (31-GEP) test to predict metastatic risk has been previously validated, and classifies patients as either Class 1 (low risk) or Class 2 (high risk).</p> <p>Objective: To determine the impact of the 31-GEP test's result on clinical decision-making...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28627463/pre-operative-assessment-of-residual-disease-in-locally-advanced-breast-cancer-patients-a-sequential-study-by-quantitative-diffusion-weighted-mri-as-a-function-of-therapy
#16
Khushbu Agarwal, Uma Sharma, Rani G Sah, Sandeep Mathur, Smriti Hari, Vurthaluru Seenu, Rajinder Parshad, Naranamangalam R Jagannathan
PURPOSE: The potential of diffusion weighted imaging (DWI) in assessing pathologic response and surgical margins in locally advanced breast cancer patients (n=38) undergoing neoadjuvant chemotherapy was investigated. METHODS: DWI was performed at pre-therapy (Tp0), after I (Tp1) and III (Tp3) NACT at 1.5T. Apparent diffusion coefficient (ADC) of whole tumor (ADCWT), solid tumor (ADCST), intra-tumoral necrosis (ADCNec) was determined. Further, ADC of 6 consecutive shells (5mm thickness each) including tumor margin to outside tumor margins (OM1 to OM5) was calculated and the data analyzed to define surgical margins...
June 13, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28627235/translating-guidelines-into-practice-interpreting-the-2016-acc-expert-consensus-decision-pathway-on-the-role-of-non-statin-therapies-for-ldl-cholesterol-lowering-in-the-management-of-atherosclerotic-cardiovascular-disease-risk
#17
Laura H Waite, Yvonne L Phan, Sarah A Spinler
OBJECTIVE: In 2016, the American College of Cardiology released a decision pathway, based on expert consensus, to guide use of non-statin agents in the management of atherosclerotic cardiovascular disease risk. The purpose of this article is to assist practitioners, health systems and managed care entities with interpreting this consensus statement in order to simplify implementation of the recommendations into patient care. METHODS: Major themes from the consensus statement are briefly summarized and explained...
June 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28626932/dentate-gyrus-neurogenesis-ablation-via-cranial-irradiation-enhances-morphine-self-administration-and-locomotor-sensitization
#18
Sarah E Bulin, Matthew L Mendoza, Devon R Richardson, Kwang H Song, Timothy D Solberg, Sanghee Yun, Amelia J Eisch
Adult dentate gyrus (DG) neurogenesis is important for hippocampal-dependent learning and memory, but the role of new neurons in addiction-relevant learning and memory is unclear. To test the hypothesis that neurogenesis is involved in the vulnerability to morphine addiction, we ablated adult DG neurogenesis and examined morphine self-administration (MSA) and locomotor sensitization. Male Sprague-Dawley rats underwent hippocampal-focused, image-guided X-ray irradiation (IRR) to eliminate new DG neurons or sham treatment (Sham)...
June 19, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28626527/systematic-data-mining-reveals-synergistic-h3r-mchr1-ligands
#19
David Schaller, Stefanie Hagenow, Gina Alpert, Alexandra Naß, Robert Schulz, Marcel Bermudez, Holger Stark, Gerhard Wolber
In this study, we report a ligand-centric data mining approach that guided the identification of suitable target profiles for treating obesity. The newly developed method is based on identifying target pairs for synergistic positive effects and also encompasses the exclusion of compounds showing a detrimental effect on obesity treatment (off-targets). Ligands with known activity against obesity-relevant targets were compared using fingerprint representations. Similar compounds with activities to different targets were evaluated for the mechanism of action since activation or deactivation of drug targets determines the pharmacological effect...
June 8, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28625302/pharmacogenetics-in-obstetric-anesthesia
#20
REVIEW
Ruth Landau, Richard Smiley
The 21st century has been billed as the era of "precision/personalized medicine." Genetic investigation of clinical syndromes may guide therapy as well as reveal previously unknown biological or pharmacological pathways that may result in novel drug therapies. Several clinical issues in obstetrics and obstetric anesthesiology have been targets for genetic investigations. These include evaluation of the genetic effects on preterm labor and the progression of labor, spinal anesthesia-induced hypotension and the response to medications used to treat hypotension, and the effect of gene variants on pain and analgesic responses...
March 2017: Best Practice & Research. Clinical Anaesthesiology
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