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https://www.readbyqxmd.com/read/29471605/-emerging-therapies-what-are-promising-in-the-near-future
#1
REVIEW
Geom Seog Seo, Sung Hee Lee
The treatment of inflammatory bowel disease has evolved with the development of anti-TNF agents. In spite of long-term effectiveness, many patients do not respond or no longer responds to these drugs. Therefore, the development of new drugs that act on different inflammatory pathways has become necessary. Vedolizumab, a gut-specific biological agent, inhibits interaction α4β7 integrin with mucosal addressin cell adhesion molecule-1 without inhibiting systemic immune responses. Long-term vedolizumab therapy in patients with Crohn's disease and ulcerative colitis was safe and effective...
February 25, 2018: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29471603/-monitoring-disease-activity-how-and-when
#2
REVIEW
Kang Moon Lee
Inflammatory bowel disease (IBD) is a chronic, idiopathic inflammatory disease of gastrointestinal tract with waxing and waning clinical course, which may lead to irreversible bowel damage and a loss of bowel function. Cumulative intestinal damage results in complications such as stricture or fistulae, and eventually a large number of IBD patients undergo surgery. Notably, even during remission period (no clinical symptoms), subclinical inflammation often persists and the disease continues to progress. Therefore, the therapeutic target of IBD has been evolving from symptomatic control to mucosal healing to prevent structural intestinal damage...
February 25, 2018: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29471473/bidirectional-gpr119-agonism-requires-peptide-yy-and-glucose-for-activity-in-mouse-and-human-colon-mucosa
#3
Iain R Tough, Sarah Forbes, Herbert Herzog, Robert M Jones, Thue W Schwartz, Helen M Cox
The lipid sensor GPR119 is highly expressed by enteroendocrine L-cells and pancreatic β-cells that release the hormones, PYY and GLP-1, and insulin, respectively. Endogenous oleoylethanolamide (OEA) and the dietary metabolite, 2-monoacylglycerol (2-OG) can each activate GPR119. Here we compared mucosal responses to selective, synthetic GPR119 agonists (AR440006, AR231453) and the lipids, OEA, 2-OG and N-oleoyldopamine (OLDA) monitoring epithelial ion transport as a read-out for L-cell activity in native mouse and human gastrointestinal (GI) mucosae...
February 19, 2018: Endocrinology
https://www.readbyqxmd.com/read/29471323/what-s-to-be-done-about-laboratory-quality-process-indicators-laboratory-stewardship-the-outcomes-problem-risk-assessment-and-economic-value-responding-to-contemporary-global-challenges
#4
Frederick A Meier, Tony C Badrick, Kenneth A Sikaris
Objectives: For 50 years, structure, process, and outcomes measures have assessed health care quality. For clinical laboratories, structural quality has generally been assessed by inspection. For assessing process, quality indicators (QIs), statistical monitors of steps in the clinical laboratory total testing, have proliferated across the globe. Connections between structural and process laboratory measures and patient outcomes, however, have rarely been demonstrated. Methods: To inform further development of clinical laboratory quality systems, we conducted a selective but worldwide review of publications on clinical laboratory quality assessment...
February 17, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29471224/quantification-of-desoxyrhapontigenin-4-methoxyresveratrol-in-rat-plasma-by-lc-ms-ms-application-to-pre-clinical-pharmacokinetic-study
#5
Yu Dai, Amanda Li Cheng Tan, Huan Chen, Pei Shi Ong, Xiaoqiang Xiang, Jinzhu Wu, Hai-Shu Lin
Desoxyrhapontigenin (DRG, 4-methoxyresveratrol or trans-3,5-dihydroxy-4'-methoxystilbene) is a naturally occurring resveratrol (RES) derivative with a variety of biological activities. To facilitate its further medicinal exploration, a reliable LC-MS/MS method was developed and validated for the quantification of DRG in rat plasma using heavy isotope labelled RES as an internal standard. The ESI was operated in its negative ion mode while DRG and RES were determined by multiple reaction monitoring (MRM) using precursor-to-product ion transitions of m/z 241...
February 13, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29471179/the-link-between-income-inequality-and-health-in-europe-adding-strength-dimensions-of-primary-care-to-the-equation
#6
Jens Detollenaere, Ann-Sophie Desmarest, Pauline Boeckxstaens, Sara Willems
Income inequality has been clearly associated with reduced population health. A body of evidence suggests that a strong primary care system may mitigate this negative association. The aim of this study is to assess the strength of the primary care system's effect on the inverse association between income inequality and health in Europe. Health is operationalised using four cross-sectional outcomes: self-rated health, life expectancy, mental well-being, and infant mortality. Strength of the primary care system is measured using the framework of the Primary Health Care Activity Monitor Europe, and income inequality by the Gini coefficient...
February 3, 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29471127/targeting-cd14-on-blood-derived-cells-improves-intracortical-microelectrode-performance
#7
Hillary W Bedell, John K Hermann, Madhumitha Ravikumar, Shushen Lin, Ashley Rein, Xujia Li, Emily Molinich, Patrick D Smith, Stephen M Selkirk, Robert H Miller, Steven Sidik, Dawn M Taylor, Jeffrey R Capadona
Intracortical microelectrodes afford researchers an effective tool to precisely monitor neural spiking activity. Additionally, intracortical microelectrodes have the ability to return function to individuals with paralysis as part of a brain computer interface. Unfortunately, the neural signals recorded by these electrodes degrade over time. Many strategies which target the biological and/or materials mediating failure modes of this decline of function are currently under investigation. The goal of this study is to identify a precise cellular target for future intervention to sustain chronic intracortical microelectrode performance...
February 13, 2018: Biomaterials
https://www.readbyqxmd.com/read/29470948/direct-analysis-of-pi-3-4-5-p-3-using-liquid-chromatography-electrospray-ionization-tandem-mass-spectrometry
#8
Hai H Bui, Phillip E Sanders, Diane Bodenmiller, Ming Shang Kuo, Gregory P Donoho, Anthony S Fischl
Phosphatidylinositol (3,4,5) trisphosphate (PIP3 ) is a biologically active membrane phospholipid that is essential for the growth and survival of all eukaryotic cells. We describe a new method that directly measures PIP3 and describe the HPLC separation and measurement of the positional isomers of phosphatidylinositol bisphosphate, PI(3,5)P2 , PI(3,4)P2 and PI(4,5)P2 . Mass spectrometric analyses were performed online using ultra-high performance liquid chromatography (UHPLC)-electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS) in the negative multiple-reaction monitoring (MRM) modes...
February 19, 2018: Analytical Biochemistry
https://www.readbyqxmd.com/read/29470834/worldwide-3-year-post-marketing-surveillance-experience-with-tofacitinib-in-rheumatoid-arthritis
#9
Stanley Cohen, Jeffrey R Curtis, Ryan DeMasi, Yan Chen, Haiyun Fan, Arif Soonasra, Roy Fleischmann
INTRODUCTION: Post-marketing surveillance (PMS) is an integral part of monitoring adverse events (AEs) following approval of new drugs. Tofacitinib is an oral Janus kinase inhibitor for the treatment of rheumatoid arthritis (RA). An analysis of PMS reports was conducted to evaluate the safety of tofacitinib in a post-marketing setting. METHODS: Worldwide tofacitinib PMS data received in the Pfizer safety database from November 6, 2012 (first marketing authorization of tofacitinib) to November 5, 2015 were analyzed...
February 22, 2018: Rheumatology and Therapy
https://www.readbyqxmd.com/read/29470766/haloperidol-attenuates-methylphenidate-and-modafinil-induced-behavioural-sensitization-and-cognitive-enhancement
#10
Nausheen Alam, Kulsoom Choudhary
Previous studies have demonstrated that repeated psychostimulant administration produces behavioural sensitization and cognitive tolerance. Brain dopaminergic system and the involvement of dopamine D2 -receptors are considered to be important in psychostimulant-induced sensitization. Study designed to compared the motor activity by using familiar and novel enviroments and cognitive effects by water maze and passive avoidance test after long term administration of methylphenidate(at the dose 0.6 mg/kg/day, 2...
February 22, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29470394/a-novel-early-warning-system-based-on-a-sediment-microbial-fuel-cell-for-in-situ-and-real-time-hexavalent-chromium-detection-in-industrial-wastewater
#11
Shuai Zhao, Pu Liu, Yongyan Niu, Zhengjun Chen, Aman Khan, Pengyun Zhang, Xiangkai Li
Hexavalent chromium (Cr(VI)) is a well-known toxic heavy metal in industrial wastewater, but in situ and real time monitoring cannot be achieved by current methods used during industrial wastewater treatment processes. In this study, a Sediment Microbial Fuel Cell (SMFC) was used as a biosensor for in situ real-time monitoring of Cr(VI), which was the organic substrate is oxidized in the anode and Cr(VI) is reduced at the cathode simultaneously. The pH 6.4 and temperature 25 °C were optimal conditions for the operation...
February 22, 2018: Sensors
https://www.readbyqxmd.com/read/29470385/an-activity-recognition-framework-deploying-the-random-forest-classifier-and-a-single-optical-heart-rate-monitoring-and-triaxial-accelerometerwrist-band
#12
Saeed Mehrang, Julia Pietilä, Ilkka Korhonen
Wrist-worn sensors have better compliance for activity monitoring compared to hip, waist, ankle or chest positions. However, wrist-worn activity monitoring is challenging due to the wide degree of freedom for the hand movements, as well as similarity of hand movements in different activities such as varying intensities of cycling. To strengthen the ability of wrist-worn sensors in detecting human activities more accurately, motion signals can be complemented by physiological signals such as optical heart rate (HR) based on photoplethysmography...
February 22, 2018: Sensors
https://www.readbyqxmd.com/read/29470255/clinical-implications-of-oncogenic-mutations-in-pulmonary-langerhans-cell-histiocytosis
#13
Noah A Brown, Kojo S J Elenitoba-Johnson
PURPOSE OF REVIEW: Langerhans cell histiocytosis (LCH) is a neoplasm of dendritic cells with a wide clinical spectrum. Localized pulmonary LCH occurs in young adults with a history of smoking and can either resolve spontaneously or lead to progressive decline in pulmonary function. Young children can also present with localized disease - frequently bone or skin - or with multifocal or multisystem disease. Clinical outcomes in these patients also vary widely, ranging from spontaneous resolution to multiorgan failure and death...
February 20, 2018: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/29470228/amiodarone-rifampicin-drug-drug-interaction-management-with-therapeutic-drug-monitoring
#14
Thijs H Oude Munnink, Anna Demmer, Roel H J Slenter, Kris L L Movig
The authors present a case of a 69-year-old man with arrhythmogenic right ventricular cardiomyopathy controlled with amiodarone and an infected orthopedic prosthesis requiring treatment with rifampicin. This combination involves a pharmacokinetic drug-drug interaction leading to subtherapeutic drug concentrations of amiodarone and its active metabolite. The long half-life of amiodarone and its active metabolite in combination with the late onset and offset of cytochrome P4503A (CYP3A4) induction by rifampicin makes this a challenging drug-drug interaction to cope with in clinical practice...
February 20, 2018: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/29470192/sensitivity-of-a-reduced-eeg-montage-for-seizure-detection-in-the-neurocritical-care-setting
#15
Brandy B Ma, Emily L Johnson, Eva K Ritzl
INTRODUCTION: Neurocritical care units commonly implement the double-distance reduced EEG montage in postoperative neurosurgic patients who have structural barriers that hinder the placement of a standard 10-20 system array. Despite its widespread use, its sensitivity has not been adequately addressed. We evaluated the sensitivity and specificity of this montage for seizure detection. METHODS: One hundred fifty-five full-montage continuous EEGs (cEEGs) completed in the Johns Hopkins University neurocritical care unit containing unequivocal electrographic seizures, status epilepticus, or other abnormalities were selected, comprising 73 ictal and 82 nonictal EEGs...
February 21, 2018: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/29470174/antidiabetic-and-protective-effects-of-the-aqueous-extract-of-arbutus-unedo-l-in-streptozotocin-nicotinamide-induced-diabetic-mice
#16
Hanae Naceiri Mrabti, Karima Sayah, Nidal Jaradat, Faouzi Kichou, Abdelaziz Ed-Dra, Badiaa Belarj, Yahia Cherrah, My El Abbes Faouzi
Background Diabetes mellitus (DM) is currently a major health problem and the most common chronic disease worldwide. Traditional medicinal plants remedies remain a potential adjunct therapy to maintain better glycemic control while also imparting few side-effects. Arbutus unedo L. has been traditionally used to manage several diseases including diabetes. This study was undertaken to contribute the validation of the traditional use of Arbutus unedoL. (Ericaceae) in the treatment of diabetes. Methods In-vitro antidiabetic effect of the A...
February 21, 2018: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/29470138/tracking-nemo-help-scientists-understand-zebrafish-behavior
#17
Tyrone J Tolbert, Shinnosuke Nakayama, Maurizio Porfiri
The advent of automated tracking software has significantly reduced the time required to record movement trajectories, thereby facilitating behavioral studies of zebrafish. However, results are substantially influenced by tracking errors, such as loss and misidentification of individuals. In this study, we present the development of an online citizen science platform, Tracking Nemo, to improve data accuracy on swimming trajectories of zebrafish groups. As an online extension of software for tracking the position of zebrafish from video recordings, Tracking Nemo offers volunteers the opportunity to contribute to science by manually correcting tracked trajectory data from their personal computers...
February 22, 2018: Zebrafish
https://www.readbyqxmd.com/read/29469462/-measures-and-effects-of-schistosomiasis-elimination-in-wujin-district-changzhou-city
#18
Lu Yi-Li, Wang Yun-Hua, Xuan Xiao-Ju, Xu Li
OBJECTIVE: To understand the measures and effects of schistosomiasis elimination in Wujin District, Changzhou City, so as to provide the reference for other similar areas. METHODS: The data of schistosomiasis prevention and control were collected and analyzed in Wujin District, Changzhou City from 1995 to 2015. RESULTS: From 1995 to 2015, the accumulated area for investigating Oncomelania hupensis snail habitats was 15 934.01 hm2 in Wujin District, and the accumulated area with snail habitats was 34...
December 27, 2017: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
https://www.readbyqxmd.com/read/29469040/long-term-follow-up-and-quantitative-hepatitis-b-surface-antigen-monitoring-in-north-american-chronic-hbv-carriers
#19
Conar R O'Neil, Stephen E Congly, M Sarah Rose, Samuel S Lee, Meredith A Borman, Carmen L Charlton, Carla Osiowy, Mark G Swain, Kelly W Burak, Carla S Coffin
INTRODUCTION: Quantitative hepatitis B surface antigen (qHBsAg) combined with HBV DNA may be useful for predicting chronic hepatitis B (CHB) activity and nucleoside analogue (NA) response. MATERIAL AND METHODS: In this retrospective cohort study we evaluated qHBsAg levels according to CHB disease phase and among patients on treatment. Random effect logistic regression analysis was used to analyze qHBsAg change with time in the NA-treated cohort. RESULTS: 545 CHB carriers [56% M, median age 48 y (IQR 38-59), 73% Asian] had qHBsAg testing...
March 1, 2018: Annals of Hepatology
https://www.readbyqxmd.com/read/29468814/effects-of-substrate-stiffness-on-dental-pulp-stromal-cells-in-culture
#20
L Datko Williams, A Farley, M Cupelli, S Alapati, M S Kennedy, D Dean
Dental pulp stromal cells (DPSCs) can be differentiated down lineages known to either express bone or dentin specific protein markers. . Since the differentiation of cells can be heavily influenced by their environment, it may be possible to influence the osteogenic/odontogenic potential of DPSCs by modulating the mechanical properties of substrate on which they are grown. In this study, human DPSCs were grown with and without hydroxyapatite (HA) microparticles on a range of substrates including fibronectin-coated hydrogels and glass substrates, which represented an elastic moduli range of ∼ 3 kPa - 50 GPa, over a 21 day period...
February 22, 2018: Journal of Biomedical Materials Research. Part A
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