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C. Little

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https://www.readbyqxmd.com/read/28343354/unusual-severe-case-of-hemolytic-uremic-syndrome-due-to-shiga-toxin-2d-producing-e-coli-o80-h2
#1
Kioa L Wijnsma, Anne M Schijvens, John W A Rossen, A M D Mirjam Kooistra-Smid, Michiel F Schreuder, Nicole C A J van de Kar
BACKGROUND: Hemolytic uremic syndrome (HUS) is one of the most common causes of acute renal failure in children, with the majority of cases caused by an infection with Shiga toxin-producing Escherichia coli (STEC). Whereas O157 is still the predominant STEC serotype, non-O157 serotypes are increasingly associated with STEC-HUS. However, little is known about this emerging and highly diverse group of non-O157 serotypes. With supportive therapy, STEC-HUS is often self-limiting, with occurrence of chronic sequelae in just a small proportion of patients...
March 25, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28343320/allergic-airway-inflammation-induces-migration-of-mast-cell-populations-into-the-mouse-airway
#2
David Schmit, Duc Dung Le, Sebastian Heck, Markus Bischoff, Thomas Tschernig, Christian Herr, Christoph Beisswenger, Peter Kobelt, Phillipp Moritz Lepper, Kian Fan Chung, Robert Bals, Quoc Thai Dinh
Mast cells (MCs) and airway nerves play an important role in allergic asthma. However, little is known about the MCs and their interaction with airway nerves during allergic airway inflammation. This study aims to investigate the distribution and proliferation of MC populations in different lung compartments, along with the association of mast cells with nerve endings, using a house dust mite (HDM) model for allergic airway inflammation. BALB/c mice were exposed to HDM extract intranasally (25 μg/50 μl) for 5 consecutive days a week over 7 weeks...
March 25, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28343088/pathway-of-protection-ethnic-identity-self-esteem-and-substance-use-among-multiracial-youth
#3
Sycarah Fisher, Tamika C B Zapolski, Chelsea Sheehan, Jessica Barnes-Najor
Fifty percent of adolescents have tried an illicit drug and 70% have tried alcohol by the end of high school, with even higher rates among multiracial youth. Ethnic identity is a protective factor against substance use for minority groups. However, little is known about the mechanisms that facilitate its protective effects, and even less is known about this relationship for multiracial youth. The purpose of the present study was to examine the protective effect of ethnic identity on substance use and to determine whether this relationship operated indirectly through self-esteem, a strong predictor of substance use for among adolescent populations...
March 9, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28342981/mechanisms-of-in-vivo-release-of-triamcinolone-acetonide-from-plga-microspheres
#4
Amy C Doty, David G Weinstein, Keiji Hirota, Karl F Olsen, Rose Ackermann, Yan Wang, Stephanie Choi, Steven P Schwendeman
Little is known about the underlying effects controlling in vitro-in vivo correlations (IVIVCs) for biodegradable controlled release microspheres. Most reports of IVIVCs that exist are empirical in nature, typically based on a mathematical relationship between in vitro and in vivo drug release, with the latter often estimated by deconvolution of pharmacokinetic data. In order to improve the ability of in vitro release tests to predict microsphere behavior in vivo and develop more meaningful IVIVCs, the in vivo release mechanisms need to be characterized...
March 22, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28342675/the-digital-heart-manual-a-pilot-study-of-an-innovative-cardiac-rehabilitation-programme-developed-for-and-with-users
#5
C Deighan, L Michalova, C Pagliari, J Elliott, L Taylor, H Ranaldi
OBJECTIVE: Patients are seeking greater choice and flexibility in how they engage with self-management programmes. While digital innovations offer opportunities to deliver supportive interventions to patients undergoing cardiac rehabilitation little is known about how accessible, useful and acceptable they are for this group. This project developed a digital version of a leading evidenced cardiac rehabilitation programme, the Heart Manual (HM). The prototype was developed and evaluated iteratively in collaboration with end users...
March 10, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28342599/concentrate-supplementation-of-a-diet-based-on-medium-quality-grass-silage-for-4-weeks-prepartum-effects-on-cow-performance-health-metabolic-status-and-immune-function
#6
M W Little, N E O'Connell, M D Welsh, F J Mulligan, C P Ferris
Because negative energy balance (EB) contributes to transition-period immune dysfunction in dairy cows, dietary management strategies should aim to minimize negative EB during this time. Prepartum diets that oversupply energy may exacerbate negative EB in early lactation, with detrimental effects on immune function. However, with lower body condition score (BCS) cows, it has been shown that offering concentrates in addition to a grass silage-based diet when confined during an 8-wk dry period resulted in increased neutrophil function in early lactation...
March 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28340444/comparative-effectiveness-of-dual-action-versus-single-action-antidepressants-for-the-treatment-of-depression-in-people-living-with-hiv-aids
#7
Jon C Mills, Jeffrey S Harman, Robert L Cook, Nicole M Marlow, Christopher A Harle, R Paul Duncan, Angela M Bengtson, Brian W Pence
BACKGROUND: Depression is the most common psychiatric comorbidity among people living with HIV/AIDS (PLWHA). Little is known about the comparative effectiveness between different types of antidepressants used to treat depression in this population. We compared the effectiveness of dual-action and single-action antidepressants in PLWHA for achieving remission from depression. METHODS: We used data from the Centers for AIDS Research Network of Integrated Clinic Systems to identify 1175 new user dual-action or single-action antidepressant treatment episodes occurring from 2005 to 2014 for PLWHA diagnosed with depression...
March 19, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28340034/estimating-demand-and-cross-price-elasticity-for-very-low-nicotine-content-vlnc-cigarettes-using-a-simulated-demand-task
#8
Megan R Tucker, Murray Laugesen, Randolph C Grace
Introduction: Very Low Nicotine Content (VLNC) cigarettes might be useful as part of a tobacco control strategy, but relatively little is known about their acceptability as substitutes for regular cigarettes. We compared subjective effects and demand for regular cigarettes and Very Low Nicotine Content (VLNC) cigarettes, and estimated cross-price elasticity for VLNC cigarettes, using simulated demand tasks. Methods: 40 New Zealand smokers sampled a VLNC cigarette and completed Cigarette Purchase Tasks to indicate their demand for regular cigarettes and VLNC cigarettes at a range of prices, and a cross-price task indicating how many regular cigarettes and VLNC cigarettes they would purchase at 0...
March 3, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28339590/reducing-antimicrobial-use-in-an-academic-pediatric-institution-evaluation-of-the-effectiveness-of-a-prospective-audit-with-real-time-feedback
#9
Zachary I Willis, Jessica Gillon, Meng Xu, James C Slaughter, M Cecilia Di Pentima
Introduction: Antimicrobial use is decreasing across freestanding children's hospitals, predominantly in institutions with antimicrobial stewardship programs (ASPs) in place. A highly effective ASP should effect a greater decrease in use than predicted by existing trends. Antimicrobial stewardship programs depend on clinician adherence to program recommendations, but little is known about factors associated with adherence. Methods: Parenteral antimicrobial-use data for our institution and 43 additional freestanding children's hospitals were obtained and normalized for patient census...
October 7, 2016: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28339556/influence-of-temperature-and-growth-selection-on-turkey-pectoralis-major-muscle-satellite-cell-adipogenic-gene-expression-and-lipid-accumulation
#10
D L Clark, G M Strasburg, K M Reed, S G Velleman
Immature poults have an inefficient thermoregulatory system, and therefore extreme ambient temperatures can impact their internal body temperature. Satellite cells, the only posthatch myonuclei source, are multipotential stem cells and sensitive to temperature. Selection for faster-growing, high-yielding birds has altered satellite-cell properties. The objective of the current study was to determine how temperature affects adipogenic properties of satellite cells isolated from the pectoralis major ( ) muscle of Randombred Control line ( ) and F line turkeys selected only for increased 16-wk body weight from the RBC2 line...
October 6, 2016: Poultry Science
https://www.readbyqxmd.com/read/28339491/the-dynamics-of-nitrogen-derived-from-a-chemical-nitrogen-fertilizer-with-treated-swine-slurry-in-paddy-soil-plant-systems
#11
Joonhee Lee, Hong L Choi
A well-managed chemical nitrogen (N) fertilization practice combined with treated swine slurry (TSS) is necessary to improve sustainability and N use efficiency in rice farming. However, little is known about the fate of N derived from chemical N fertilizer with and without TSS in paddy soil-plant systems. The objectives of this study were (1) to estimate the contribution of applied N fertilizer to N turnover in rice paddy soil with different N fertilization practices that were manipulated by the quantity of treated swine slurry and chemical N fertilizer (i...
2017: PloS One
https://www.readbyqxmd.com/read/28339347/the-aging-kidney-and-the-nephrotoxic-effects-of-mercury
#12
Christy C Bridges, Rudolfs K Zalups
Owing to advances in modern medicine, life expectancies are lengthening and leading to an increase in the population of older individuals. The aging process leads to significant alterations in many organ systems, with the kidney being particularly susceptible to age-related changes. Within the kidney, aging leads to ultrastructural changes such as glomerular and tubular hypertrophy, glomerulosclerosis, and tubulointerstitial fibrosis, which may compromise renal plasma flow (RPF) and glomerular filtration rate (GFR)...
2017: Journal of Toxicology and Environmental Health. Part B, Critical Reviews
https://www.readbyqxmd.com/read/28339329/morbidity-and-mortality-associated-with-meningioma-after-cranial-radiotherapy-a-report-from-the-childhood-cancer-survivor-study
#13
Daniel C Bowers, Chaya S Moskowitz, Joanne F Chou, Claire M Mazewski, Joseph P Neglia, Gregory T Armstrong, Wendy M Leisenring, Leslie L Robison, Kevin C Oeffinger
Purpose Little is known about neurologic morbidity attributable to cranial radiotherapy (CRT) -associated meningiomas. Materials and Methods From 4,221 survivors exposed to CRT in the Childhood Cancer Survivor Study, a diagnosis of meningioma and onset of neurologic sequelae were ascertained. Cox proportional hazards regression was used to estimate hazard ratios (HR) and 95% CIs to evaluate the factors associated with neurologic sequelae after subsequent meningioma. Results One hundred ninety-nine meningiomas were identified among 169 participants...
March 24, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28339087/regulation-of-intestinal-myofibroblasts-by-kras-mutated-colorectal-cancer-cells-through-heparin-binding-epidermal-growth-factor-like-growth-factor
#14
Hideyoshi Kawasaki, Takuya Saotome, Tatsuya Usui, Takashi Ohama, Koichi Sato
In colorectal cancer, gain-of-function mutations in KRas play a critical role in malignant transformation. Tumor growth in colorectal cancer is known to be promoted by the intestinal myofibroblasts (IMFs) that localize adjacent to the cancer cells, but the mechanisms of interaction between KRas-mutated cancer cells and the myofibroblasts remain unclear. Here, we investigated the effects of KRas-mutated cells on the behavior of myofibroblasts by using mouse primary IMFs and cells of an IMF cell line (LmcMF) and a mouse colon epithelial cell line (aMoC1)...
March 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28338937/association-of-blood-pressure-trajectory-with-mortality-incident-cardiovascular-disease-and-heart-failure-in-the-cardiovascular-health-study
#15
Christopher C Smitson, Rebecca Scherzer, Michael G Shlipak, Bruce M Psaty, Anne B Newman, Mark J Sarnak, Michelle C Odden, Carmen A Peralta
BACKGROUND: Common blood pressure (BP) trajectories are not well established in elderly persons, and their association with clinical outcomes is uncertain. METHODS: We used hierarchical cluster analysis to identify discrete BP trajectories among 4,067 participants in the Cardiovascular Health Study using repeated BP measures from years 0 to 7. We then evaluated associations of each BP trajectory cluster with all-cause mortality, incident cardiovascular disease (CVD, defined as stroke or myocardial infarction) (N = 2,837), and incident congestive heart failure (HF) (N = 3,633) using Cox proportional hazard models...
March 10, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28338540/occupational-contact-dermatitis-in-north-american-print-machine-operators-referred-for-patch-testing-retrospective-analysis-of-cross-sectional-data-from-the-north-american-contact-dermatitis-group-1998-to-2014
#16
Erin M Warshaw, Solveig L Hagen, Donald V Belsito, Joel G DeKoven, Howard I Maibach, C G Toby Mathias, Kathryn A Zug, Denis Sasseville, Matthew J Zirwas, Joseph F Fowler, Anthony F Fransway, Vincent A DeLeo, James G Marks, Melanie D Pratt, James S Taylor
BACKGROUND: Little is known about the epidemiology of contact dermatitis (CD) in print machine operators (PMOs). OBJECTIVE: The aims of this study were to estimate the prevalence of CD and characterize clinically relevant and occupationally related allergens among PMOs undergoing patch testing. METHODS: This was a retrospective cross-sectional analysis of the North American Contact Dermatitis Group data from 1998 to 2014. RESULTS: Of 39,332 patch-tested patients, 132 (0...
March 23, 2017: Dermatitis
https://www.readbyqxmd.com/read/28338222/long-term-self-reported-cognitive-problems-after-delirium-in-the-intensive-care-unit-and-the-effect-of-systemic-inflammation
#17
Annemiek E Wolters, Linda M Peelen, Dieuwke S Veldhuijzen, Irene J Zaal, Dylan W de Lange, Wietze Pasma, Diederik van Dijk, Olaf L Cremer, Arjen J C Slooter
OBJECTIVES: To describe the association between intensive care unit (ICU) delirium and self-reported cognitive problems in 1-year ICU survivors, and investigate whether this association was altered by exposure to systemic inflammation during ICU stay. DESIGN: Prospective cohort study. SETTING: Dutch medical-surgical ICU. PARTICIPANTS: One-year ICU survivors, admitted to the ICU ≥48 hours. MEASUREMENTS: Self-reported cognitive problems were measured with the Cognitive Failures Questionnaire (CFQ)...
March 24, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28338214/light-therapies-for-acne-abridged-cochrane-systematic-review-including-grade-assessments
#18
REVIEW
J Barbaric, R Abbott, P Posadzki, M Car, L H Gunn, A M Layton, A Majeed, J Car
We undertook a Cochrane review of randomized controlled trials (RCTs) evaluating the effects of light-based interventions for acne vulgaris. We searched the Cochrane Skin Specialised Register, CENTRAL, MEDLINE, Embase, LILACS, ISI Web of Science, and grey literature sources (September 2015). We used the Grading of Recommendations Assessment, Development and Evaluation Working Group approach to assess the quality of evidence (QE). We included 71 RCTs (4211 participants, median sample size 31). Results from a single study (n = 266, low QE) showed little or no difference in effectiveness on participants' assessment of improvement between 20% aminolevulinic acid (ALA) photodynamic therapy (PDT), activated by blue light, versus vehicle plus blue light, whereas another study (n = 180) of a comparison of ALA-PDT (red light) concentrations showed 20% ALA-PDT was no more effective than 15%, but better than 10% and 5% ALA-PDT...
March 24, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28337872/safety-and-pharmacodynamic-mechanism-of-ropivacaine-lumbar-anesthesia-in-cesarean-section
#19
Q Liu, J J Wang, H Y Yan, Y Q Wang, C W Qin, M L Li
Lumbar anesthesia is the preferred anesthetic approach for puerperae undergoing cesarean section in China. To observe the safety of administering different doses of ropivacaine for cesarean section and its pharmacodynamic mechanism, we randomly divided 180 pregnant women undergoing cesarean section into three groups: group A, 10 mg ropivacaine (0.50%); group B, 12 mg ropivacaine (0.50%); and group C, 14 mg ropivacaine (0.50%). Pharmacodynamic index, anesthesia quality and incidence of untoward reactions of each group were observed...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337542/%C3%AE-synuclein-binds-to-the-er-mitochondria-tethering-protein-vapb-to-disrupt-ca-2-homeostasis-and-mitochondrial-atp-production
#20
Sébastien Paillusson, Patricia Gomez-Suaga, Radu Stoica, Daniel Little, Paul Gissen, Michael J Devine, Wendy Noble, Diane P Hanger, Christopher C J Miller
α-Synuclein is strongly linked to Parkinson's disease but the molecular targets for its toxicity are not fully clear. However, many neuronal functions damaged in Parkinson's disease are regulated by signalling between the endoplasmic reticulum (ER) and mitochondria. This signalling involves close physical associations between the two organelles that are mediated by binding of the integral ER protein vesicle-associated membrane protein-associated protein B (VAPB) to the outer mitochondrial membrane protein, protein tyrosine phosphatase-interacting protein 51 (PTPIP51)...
March 23, 2017: Acta Neuropathologica
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