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https://www.readbyqxmd.com/read/28214854/microrna-183-suppresses-neuropathic-pain-and-expression-of-ampa-receptors-by-targeting-mtor-vegf-signaling-pathway
#1
Xiaojuan Xie, Ligang Ma, Kai Xi, Wei Zhang, Dongmei Fan
BACKGROUND: Neuropathic pain is a type of chronic pain that results from dysfunctions of the somatosensory nerve system. This study was aimed to investigate the effect of mTOR/VEGF signaling pathway on neuropathic pain and the regulation mechanisms of miR-183 on AMPA Receptors through mTOR/VEGF signaling pathway. METHODS: Chronic compress injury (CCI) model was constructed in the current study, we used paw withdrawal mechanic threshold (PWMT) and paw withdrawal thermal latency (PWTL) to observe mTOR and VEGF receptors...
January 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214754/new-pt-nnso-core-anticancer-agents-structural-optimization-and-investigation-of-their-anticancer-activity
#2
Shu Xian Chong, Yinxue Jin, Steve Chik Fun Au-Yeung, Kenneth Kin Wah To
A series of new platinum Pt(II) compounds possessing a bidentate leaving ligand modified from oxaliplatin has been synthesized, with one of the oxygen ligating atom substituted for a sulphur atom (resulting in a Pt-NNSO coordination core structure). The general structures are R,R-diaminocyclohexane (DACH)-Pt-(methylthio)acetic acid (K4) and DACH-Pt-(thiophenylacetic acid) (K4 derivatives). Substitution of an electron donating or withdrawing group at the ortho or para position on the phenyl ring of K4 derivatives was found to affect the complexes' stability, reactivity with the biological molecules (5'-guanosine monophosphate (5'-GMP) and L-methionine (L-Met)) and anticancer activity...
February 12, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28214183/-misuse-and-dependence-on-prescription-opioids-prevention-identification-and-treatment
#3
B Rolland, D Bouhassira, N Authier, M Auriacombe, V Martinez, P Polomeni, G Brousse, R Schwan, P Lack, J Bachellier, S Rostaing, P Bendimerad, P Vergne-Salle, M Dematteis, S Perrot
Since the 1990s, the use of prescription opioids has largely spread, which has brought a real progress in the treatment of pain. The long-term use of prescription opioid is sometimes required, and may lead to pharmacological tolerance and withdrawal symptoms, i.e. pharmacological dependence on prescription opioids. Occasionally, this may also lead to misuse of prescription opioids (MPO). MPO preferentially occurs in vulnerable individuals, i.e., those with a young age, history of other addictive or psychiatric disorders, especially anxious and depressive disorders...
February 14, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28213582/a-scale-up-mock-up-comparison-of-student-learning-gains-in-high-and-low-tech-active-learning-environments
#4
Paula A G Soneral, Sara A Wyse
Student-centered learning environments with upside-down pedagogies (SCALE-UP) are widely implemented at institutions across the country, and learning gains from these classrooms have been well documented. This study investigates the specific design feature(s) of the SCALE-UP classroom most conducive to teaching and learning. Using pilot survey data from instructors and students to prioritize the most salient SCALE-UP classroom features, we created a low-tech "Mock-up" version of this classroom and tested the impact of these features on student learning, attitudes, and satisfaction using a quasi--experimental setup...
2017: CBE Life Sciences Education
https://www.readbyqxmd.com/read/28213143/selective-detection-of-cu-2-and-co-2-in-aqueous-media-asymmetric-chemosensors-crystal-structure-and-spectroscopic-studies
#5
Samira Gholizadeh Dogaheh, Hamid Khanmohammadi, E Carolina Sañudo
Two new azo-azomethine receptors, H2L(1) and H2L(2), containing hydrazine, naphthalene and different electron withdrawing groups, Cl and NO2, have been designed and synthesized for qualitative and quantitative detection of Cu(2+) and Co(2+) in aqueous media. The crystal structure of H2L(1)is reported. The H2L(1)was used as a chemosensor for selective detection of trace amount of Cu(2+) in aqueous media. H2L(2) was also applied to naked-eye distinction of Cu(2+) and Co(2+) from other transition metal ions in aqueous media...
February 8, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28212952/the-challenge-of-conditional-reimbursement-stopping-reimbursement-can-be-more-difficult-than-not-starting-in-the-first-place
#6
E J van de Wetering, Job van Exel, Werner B F Brouwer
BACKGROUND: Conditional reimbursement of new health technologies is increasingly considered as a useful policy instrument. It allows gathering more robust evidence regarding effectiveness and cost-effectiveness of new technologies without delaying market access. Nevertheless, the literature suggests that ending reimbursement and provision of a technology when it proves not to be effective or cost-effective in practice may be difficult. OBJECTIVES: To investigate how policymakers and the general public in the Netherlands value removing a previously reimbursed treatment from the basic benefits package relative to not including a new treatment...
January 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28211545/the-effect-of-gut-microbiome-on-tolerance-to-morphine-mediated-antinociception-in-mice
#7
Minho Kang, Ryan A Mischel, Sukhada Bhave, Essie Komla, Alvin Cho, Charity Huang, William L Dewey, Hamid I Akbarali
There is growing appreciation for the importance of gastrointestinal microbiota in many physiological and pathophysiological processes. While morphine and other narcotics are the most widely prescribed therapy for moderate to severe pain clinically, they have been noted to alter microbial composition and promote bacterial translocation to other tissues. Here we examined the pharmacodynamic properties of chronic morphine in mice following bacterial depletion with oral gavage of an antibiotic cocktail (ABX). ABX significantly reduced gut bacteria and prevented chronic morphine induced increases in gut permeability, colonic mucosal destruction, and colonic IL-1β expression...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211028/short-term-supra-physiological-rhgh-administration-induces-transient-dna-damage-in-peripheral-lymphocytes-of-healthy-women
#8
C Fantini, P Sgrò, M Pittaluga, A de Perini, I Dimauro, A Sartorio, D Caporossi, L Di Luigi
PURPOSE: While a good safety for recombinant human growth hormone (rhGH) therapy at replacement doses is recognized, a possible link between high concentration of the GH-IGF-I axis hormones and side negative effect has been reported. The aim of this pilot study was to assess whether a short-term exposure to supra-physiological doses of rhGH may affect DNA integrity in human lymphocytes (PBL). METHODS: Eighteen healthy Caucasian female (24.2 ± 3.5 years) were randomly included in a Control (n = 9) and rhGH administration group (n = 9, 3-week treatment)...
February 16, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28210782/toll-like-receptor-signaling-and-stages-of-addiction
#9
REVIEW
Fulton T Crews, T Jordan Walter, Leon G Coleman, Ryan P Vetreno
BACKGROUND: Athina Markou and her colleagues discovered persistent changes in adult behavior following adolescent exposure to ethanol or nicotine consistent with increased risk for developing addiction. Building on Dr. Markou's important work and that of others in the field, researchers at the Bowles Center for Alcohol Studies have found that persistent changes in behavior following adolescent stress or alcohol exposure may be linked to induction of immune signaling in brain. AIM: This study aims to illuminate the critical interrelationship of the innate immune system (e...
February 17, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28210730/tuning-the-ambipolar-charge-transport-properties-of-tricyanovinyl-substituted-carbazole-based-materials
#10
Marta Reig, Gintautas Bagdziunas, Dmytro Volyniuk, Juozas V Grazulevicius, Dolores Velasco
A series of push-pull carbazole-based compounds has been experimentally and theoretically characterized in combination with the X-ray analysis of the corresponding single crystals. The introduction of the strong electron-withdrawing tricyanovinyl group in the carbazole core affords electron-transporting ability in addition to the characteristic hole-transporting properties exhibited by donor carbazole derivatives.
February 17, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28210643/perception-of-health-problems-among-competitive-runners-a-qualitative-study-of-cognitive-appraisals-and-behavioral-responses
#11
Sara Jelvegård, Toomas Timpka, Victor Bargoria, Håkan Gauffin, Jenny Jacobsson
BACKGROUND: Approximately 2 of every 3 competitive runners sustain at least 1 health problem each season. Most of these problems are nontraumatic injuries with gradual onset. The main known risk indicator for sustaining a new running-related injury episode is a history of a previous injury, suggesting that behavioral habits are part of the causal mechanisms. PURPOSE: Identification of elements associated with purposeful interpretations of body perceptions and balanced behavioral responses may supply vital information for prevention of health problems in runners...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28210077/clinical-impact-of-immunomonitoring-in-the-treatment-of-inflammatory-bowel-disease
#12
REVIEW
Donal Tighe, Deirdre McNamara
Despite improvement in outcomes, loss of response (LOR) to tumor necrosis factor-alpha (TNFα) therapies is a big concern in the management of inflammatory bowel disease. LOR is associated with flares of disease, increased hospitalisation rates, need for surgical interventions, and decline in quality of life. LOR may be multifactorial, but immunogenicity makes a significant contribution. Traditionally doses of anti-TNFα have been adjusted based on clinical response, using a standard approach. Immunomonitoring involves the measurement of anti-TNFα trough and antibody levels...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28208716/cell-imaging-counting-as-a-novel-ex-vivo-approach-for-investigating-drug-induced-hepatotoxicity-in-zebrafish-larvae
#13
Xuan-Bac Nguyen, Stanislav Kislyuk, Duc-Hung Pham, Angela Kecskés, Jan Maes, Deirdre Cabooter, Pieter Annaert, Peter De Witte, Annelii Ny
Drug-induced liver injury (DILI) is the most common reason for failures during the drug development process and for safety-related withdrawal of drugs from the pharmaceutical market. Therefore, having tools and techniques that can detect hepatotoxic properties in drug candidates at an early discovery stage is highly desirable. In this study, cell imaging counting was used to measure in a fast, straightforward, and unbiased way the effect of paracetamol and tetracycline, (compounds known to cause hepatotoxicity in humans) on the amount of DsRed-labeled hepatocytes recovered by protease digestion from Tg(fabp10a:DsRed) transgenic zebrafish...
February 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208123/analysis-of-acquired-mutations-in-transgenes-arising-in-ba-f3-transformation-assays-findings-and-recommendations
#14
Kevin Watanabe-Smith, Jamila Godil, Anupriya Agarwal, Cristina Tognon, Brian Druker
The identification and functional validation of potentially oncogenic mutations in leukemia is an essential step toward a future of personalized targeted therapy. To assess the oncogenic capacity of individual mutations, reliable and scalable in vitro experimental approaches are required. Since 1988, researchers have used the IL-3 dependent Ba/F3 transformation assay to validate the oncogenic potential of mutations to drive factor-independent growth. Here we report a previously unrecognized phenomenon whereby Ba/F3 cells, engineered to express weakly transforming mutations, present with additional acquired mutations in the expressed transgene following factor withdrawal...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28207809/kazakhstan-can-achieve-ambitious-hiv-targets-despite-expected-donor-withdrawal-by-combining-improved-art-procurement-mechanisms-with-allocative-and-implementation-efficiencies
#15
Andrew J Shattock, Clemens Benedikt, Aliya Bokazhanova, Predrag Đurić, Irina Petrenko, Lolita Ganina, Sherrie L Kelly, Robyn M Stuart, Cliff C Kerr, Tatiana Vinichenko, Shufang Zhang, Christoph Hamelmann, Manoela Manova, Emiko Masaki, David P Wilson, Richard T Gray
BACKGROUND: Despite a non-decreasing HIV epidemic, international donors are soon expected to withdraw funding from Kazakhstan. Here we analyze how allocative, implementation, and technical efficiencies could strengthen the national HIV response under assumptions of future budget levels. METHODOLOGY: We used the Optima model to project future scenarios of the HIV epidemic in Kazakhstan that varied in future antiretroviral treatment unit costs and management expenditure-two areas identified for potential cost-reductions...
2017: PloS One
https://www.readbyqxmd.com/read/28207613/vagal-regulation-of-cardiac-function-in-early-childhood-and-cardiovascular-risk-in-adolescence
#16
Meghan J Gangel, Lilly Shanahan, Jacek Kolacz, James A Janssen, Ashley Brown, Susan D Calkins, Susan P Keane, Laurie Wideman
OBJECTIVE: Poor behavioral self-regulation in the first two decades of life has been identified as an important precursor of disease risk in adulthood. However, physiological regulation has not been well-studied as a disease risk factor before adulthood. We tested whether physiological regulation at age two, in the form of vagal regulation of cardiac function (indexed by RSA change), would predict three indicators of cardiovascular risk at age 16 (diastolic and systolic blood pressure and body mass index)...
February 15, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28206991/a-jurassic-stem-pleurodire-sheds-light-on-the-functional-origin-of-neck-retraction-in-turtles
#17
Jérémy Anquetin, Haiyan Tong, Julien Claude
Modern turtles are composed of two monophyletic groups, notably diagnosed by divergent neck retraction mechanisms. Pleurodires (side-necked turtles) bend their neck sideways and protect their head under the anterior margin of the carapace. Cryptodires (hidden-necked turtles) withdraw their neck and head in the vertical plane between the shoulder girdles. These two mechanisms of neck retraction appeared independently in the two lineages and are usually assumed to have evolved for protective reasons. Here we describe the neck of Platychelys oberndorferi, a Late Jurassic early stem pleurodire, and find remarkable convergent morphological and functional similarities with modern cryptodires...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28206989/il-4-mediated-by-hsv-vector-suppresses-morphine-withdrawal-response-through-decreasing-tnf%C3%AE-nr2b-and-pc-ebp%C3%AE-in-the-periaqueductal-gray-in-rats
#18
H Yi, T Iida, S Liu, D Ikegami, Q Liu, A Iida, D A Lubarsky, S Hao
Chronic opiates induce the development of physical dependence. Opioid physical dependence characterized by withdrawal symptoms, may have very long-lasting effects on the motivation for reward, including the incubation of cue-induced drug-seeking behavior. Elucidation of the mechanisms involved in physical dependence is crucial to developing more effective treatment strategies for opioid dependence. Chronic morphine induces production of proinflammatory cytokines in regional-specific sites of the brain. Interleukin-4 (IL-4) is a prototypical anti-inflammatory cytokine that globally suppresses proinflammatory cytokines...
February 16, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28206736/mechanical-ventilation-withdrawal-at-end-of-life-terminal-extubation-and-terminal-weaning
#19
Alberto Giannini, Guido Miccinesi
No abstract text is available yet for this article.
February 15, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28205108/water-assisted-colonoscopy
#20
REVIEW
Sergio Cadoni, Felix W Leung
The current review will attempt to describe the important lessons learned from published randomized controlled trials (RCT) comparing water immersion (WI) or water exchange (WE) techniques with gas insufflation colonoscopy. Air insufflation (AI) to distend the colon to permit visualization and passage through the lumen was developed for diagnostic colonoscopy. When screening colonoscopy was adopted, the same AI method was used. Interval cancers, diagnosed within 3 to 5 years after an index screening colonoscopy, appeared to be linked to low adenoma detection rate (ADR)...
February 15, 2017: Current Treatment Options in Gastroenterology
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