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https://www.readbyqxmd.com/read/28346107/a-high-throughput-method-for-measuring-drug-residence-time-using-the-transcreener-adp-assay
#1
Meera Kumar, Robert G Lowery
Analysis of drug-target residence times during drug development can result in improved efficacy, increased therapeutic window, and reduced side effects. Residence time can be estimated as the reciprocal of the dissociation rate ( koff) of an inhibitor from its target. The traditional methods for measuring koff require synthesis of labeled ligands or low-throughput label-free methods. To provide an alternative that is better suited to an automated high-throughput screening (HTS) environment, we adapted a classic "jump dilution" catalytic assay method for determination of koff values for kinase inhibitor drugs...
February 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28345953/reperfusion-ventricular-arrhythmia-bursts-identify-larger-infarct-size-in-spite-of-optimal-epicardial-and-microvascular-reperfusion-using-cardiac-magnetic-resonance-imaging
#2
Kirian van der Weg, Wichert J Kuijt, Sebastiaan Cam Bekkers, Jan Gp Tijssen, Cynthia L Green, Miguel E Lemmert, Mitchell W Krucoff, Anton Pm Gorgels
AIMS: Ventricular arrhythmia (VA) bursts following recanalisation in acute ST-elevation myocardial infarction (STEMI) are related to larger infarct size (IS). Inadequate microvascular reperfusion, as determined by microvascular obstruction (MVO) using cardiac magnetic resonance imaging (CMR), is also known to be associated with larger IS. This study aimed to test the hypothesis that VA bursts identify larger infarct size in spite of optimal microvascular reperfusion. METHODS: All 65 STEMI patients from the Maastricht ST elevation (MAST) study with brisk epicardial flow (TIMI 3), complete ST recovery post-percutaneous coronary intervention and early CMR were included...
March 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28345373/infarct-topography-and-functional-outcomes
#3
Mark R Etherton, Natalia S Rost, Ona Wu
Acute ischemic stroke represents a major cause of long-term adult disability. Accurate prognostication of post-stroke functional outcomes is invaluable in guiding patient care, targeting early rehabilitation efforts, selecting patients for clinical research, and conveying realistic expectations to families. The involvement of specific brain regions by acute ischemia can alter post-stroke recovery potential. Understanding the influences of infarct topography on neurologic outcomes holds significant promise in prognosis of functional recovery...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28343652/predictors-of-non-return-to-work-2-years-post-injury-in-road-traffic-crash-survivors-results-from-the-uq-support-study
#4
Michelle Heron-Delaney, Jacelle Warren, Justin A Kenardy
PURPOSE: Individuals who have sustained an injury from a road traffic crash (RTC) are at increased risk for long lasting health problems and non-return to work (NRTW). Determining the predictors of NRTW is necessary to develop screening tools to identify at-risk individuals and to provide early targeted intervention for successful return to work (RTW). The aim of this study was to identify factors that can predict which individuals will not RTW following minor or moderate injuries sustained from a RTC...
March 16, 2017: Injury
https://www.readbyqxmd.com/read/28341425/proximal-hypospadias-repair-with-bladder-mucosal-graft-our-10-years-experience
#5
Michele Lanciotti, Marta Betti, Antonio Elia, Luca Landi, Maria Taverna, Chiara Cini, Lorenzo Masieri
INTRODUCTION AND OBJECTIVE: A great variety of different surgical techniques has been described for proximal hypospadias repair and an ideal tissue has not been determined yet. We present our 10 years of surgical experience using a bladder mucosal graft for urethroplasty. STUDY DESIGN: Bladder mucosal graft urethroplasty was performed between 2005 and 2015 in 50 patients with severe proximal hypospadias. The mean age of patients was 45.1 months (range 24-164 months)...
February 17, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28340493/conservative-treatment-with-octreotide-to-provide-early-recovery-of-children-with-esophageal-perforation
#6
Ramazan Karabulut, Zafer Turkyilmaz, Kaan Sonmez, Abdullah Can Basaklar
Background The effectiveness of nonoperative treatment of esophageal perforation (EP) in children with octreotide is highlighted. Methods Records of nine patients (seven boys and two girls with an average age of 5.83 ± 5.35 years) with EP were reviewed. Results EP developed in six patients during dilation of esophageal stenosis (five of six caused by caustic burns). In the other three patients, EP developed after nasogastric placement, after endotracheal intubation, and during endoscopy for foreign body...
March 24, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28340321/exploring-the-relationship-between-cognition-and-functional-verbal-reasoning-in-adults-with-severe-traumatic-brain-injury-at-six-months-post-injury
#7
Petra Avramović, Belinda Kenny, Emma Power, Skye McDonald, Robyn Tate, Louise Hunt, Sheila MacDonald, Rob Heard, Leanne Togher
OBJECTIVE(S): This study aims to determine the association between cognitive impairment and functional verbal reasoning in adults with severe traumatic brain injury (TBI), at six months post-injury. METHOD(S): 38 participants with severe TBI were assessed using the four tasks on the Functional Assessment of Verbal Reasoning and Executive Strategies (FAVRES) [1] and a battery of neuropsychological tests at 6 months post injury in a cross-sectional observational study...
March 24, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28340311/early-clinical-efficacy-comparison-study-of-gamma3-nail-percutaneous-compression-plate-pccp-and-femoral-head-replacement-fhr-treatment-on-senile-unstable-intertrochanteric-fractures
#8
Shaofeng Yang, Yanan Liu, Tongqi Yang, Jun Zou, Huilin Yang
PURPOSE: This study aimed to analyze the early clinical efficacy of Gamma 3 nail, percutaneous compression plate (PCCP) and femoral head replacement (FHR) treatments on senile unstable intertrochanteric fractures. MATERIALS AND METHODS: Totally 116 patients were included to perform an retrospective study, which involved analysis of the operation time, intraoperative blood loss, and hemoglobin reduction on the first postoperative day compared with preoperative levels, fracture gap, neck shaft angle and tip apex distance on the first postoperative X-ray, hospital stay, time from surgery to mobilization, Harris hip scores and Barthel index six months after operation, and complications postoperative meanwhile were evaluated respectively among three groups...
February 10, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28340304/family-members-experiences-of-driving-disruption-after-acquired-brain-injury
#9
Phyllis Liang, Jennifer Fleming, Louise Gustafsson, Janelle Griffin, Jacki Liddle
PRIMARY OBJECTIVE: 1) To explore family members' lived experiences of driving disruption at early and later stages of the recovery continuum following acquired brain injury (ABI). 2) To describe health-related quality of life of family members of individuals with ABI who are experiencing driving disruption. RESEARCH DESIGN: Mixed methods phenomenological research approach. METHODS AND PROCEDURES: Semi-structured interviews and health-related quality of life questionnaires were conducted with 15 family members of individuals with ABI (early group: 1-12 months post-injury, n = 6; later group: >1 year post-injury, n = 9)...
March 24, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28340249/orthodontic-strain-affects-the-hippo-pathway-effector-yap-concomitant-with-proliferation-in-human-periodontal-ligament-fibroblasts
#10
Diana Huelter-Hassler, Pascal Tomakidi, Thorsten Steinberg, Britta A Jung
Objectives: During orthodontic tooth movement (OTM), human periodontal ligament fibroblasts (hPDLFs) sense, and respond to mechanical forces. Since the molecular constituents involved in these processes are not fully elucidated, the objective of the present study was to identify further key molecules of the cellular strain response. Materials and Methods: Primary hPDLFs were strained with a static equiaxial strain of 2.5 per cent for 15 minutes, 1 hour, 6 hours, and 24 hours...
March 17, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28339360/critical-role-of-stir-mri-in-early-detection-of-post-streptococcal-periostitis-with-dysproteinaemia-goldbloom-s-syndrome
#11
Riccardo Papa, Alessandro Consolaro, Francesca Minoia, Roberta Caorsi, Gianmichele Magnano, Marco Gattorno, Angelo Ravelli, Paolo Picco
OBJECTIVES: In 1966, Goldbloom et al. described two children who developed a peculiar clinical picture characterized by intermittent daily bone pain in the lower limbs, fever spikes, increased acute phase reactants and dysproteinaemia. The syndrome occurred two weeks after a group A β-haemolytic streptococcus infection. So far, only a few cases have been reported in the medical literature in English. METHODS: We report two further cases of Goldbloom's syndrome with a review of the literature in English...
March 23, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28339051/protective-effects-of-tacrolimus-on-podocytes-in-early-diabetic-nephropathy-in-rats
#12
Tao Peng, Xiangdi Chang, Jie Wang, Junhui Zhen, Xiangdong Yang, Zhao Hu
The aim of the present study was to investigate the protective effect of tacrolimus on early podocyte damage in rats with diabetic nephropathy (DN). A total of 38 normal male Sprague‑Dawley rats were randomly divided into four groups: Normal control group (group N; n=8), DN group (n=10), tacrolimus (FK506) treatment group (group F; n=10), benazepril (Lotensin) treatment group (group L; n=10). The rats in groups DN, F and L were administered with streptozotocin (STZ; 60 mg/kg) by intraperitoneal injection to establish the diabetic rat model...
March 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338895/photosynthesis-nutrient-accumulation-and-growth-of-two-betula-species-exposed-to-waterlogging-in-late-dormancy-and-in-the-early-growing-season
#13
Ai-Fang Wang, Marja Roitto, Tarja Lehto, Sirkka Sutinen, Jaakko Heinonen, Gang Zhang, Tapani Repo, Ram Oren
Increased risk of soil waterlogging in winter and spring at northern latitudes will potentially affect forest production in the future. We studied gas exchange, chlorophyll content index, chlorophyll fluorescence, nutrient concentration and biomass accumulation in 1-year-old silver (Betula pendula Roth) and pubescent birch (Betula pubescens Ehrh.) seedlings. We hypothesized that B. pubescens has different physiological mechanisms that make it tolerate waterlogging better than B. pendula. The treatments were: (i) no waterlogging throughout the experiment; (ii) 4-week waterlogging during dormancy (dormancy waterlogging 'DW'); (iii) 4-week waterlogging during the early growing season (growth waterlogging 'GW'); and (iv) 4-week DW followed by 4-week GW during the early growing season ('DWGW')...
March 15, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28337563/role-of-low-level-laser-therapy-added-to-facial-expression-exercises-in-patients-with-idiopathic-facial-bell-s-palsy
#14
Banu Ordahan, Ali Yavuz Karahan
The aim of the present study was to investigate the efficacy of low-level laser therapy in conjunction with conventional facial exercise treatment on functional outcomes during the early recovery period in patients with facial paralysis. Forty-six patients (mean age 41 ± 9.7 years; 40 women and 6 men) were randomized into two groups. Patients in the first group received low-level laser treatment as well as facial exercise treatment, while patients in the second group participated in facial exercise intervention alone...
March 23, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28335684/bone-marrow-derived-endothelial-progenitor-cell-treatment-in-a-model-of-lateral-fluid-percussion-injury-in-rats-evaluation-of-acute-and-subacute-outcome-measures
#15
Eugene Park, Katya J Park, Elaine Liu, Rongcai Jiang, Jian-Ning Zhang, Andrew J Baker
Traumatic brain injury (TBI) continues to be a serious healthcare issue while therapies to treat TBI remain elusive. Promising results from the use of endothelial progenitor cells (EPCs) in numerous disease states highlight the pleiotropic capacity of this cell type. We have previously demonstrated that EPC conditioned media reduces axonal degeneration following in vitro OGD insult and concurrently improves white matter and microvascular outcome in vivo following midline fluid percussion injury. In the current study we evaluated the effectiveness of allogeneic endothelial cells derived from rat bone marrow on microvascular recovery and neuronal sparing following lateral fluid percussion injury...
March 23, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28335664/cognitive-behavioral-intervention-compared-to-telephone-counselling-early-after-mild-traumatic-brain-injury-a-randomized-trial
#16
Myrthe Elisabeth Scheenen, Annemarie Cecile Visser-Keizer, Myrthe Elisabeth de Koning, Harm Jan van der Horn, Peter van de Sande, Marlies Elisabeth van Kessel, Joukje van der Naalt, Jacoba M Spikman
Many patients do not return to work (RTW) following mild Traumatic Brain Injury (mTBI) due to persistent complaints that are often resistant to therapy in the chronic phase. Recent studies suggest that psychological interventions should be implemented early after injury to prevent patients from developing chronic complaints. This study is a randomized controlled trial which examines the effectiveness of a newly developed CBT intervention (CBTi) compared to telephonic counseling (TC) in at risk mTBI patients (patients with high reports of early complaints)...
March 23, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28334917/late-onset-cystic-brain-necrosis-after-radiotherapy-for-nasopharyngeal-carcinoma
#17
Wenli Fang, Beibei Gu, Xiuna Jing, Songhua Xiao, Shengnuo Fan, Wang Liao, Yuqiu Zheng, Jun Liu
Background: Cystic brain radionecrosis (CBRN) is a late-onset devastating complication after radiotherapy for head and neck neoplasms, especially for nasopharyngeal carcinoma (NPC). To our knowledge, it has scarcely been reported. Methods: We retrospectively reviewed all available medical records of NPC patients with CBRN who were treated with surgical intervention. Results: Sixteen patients were identified in this study and the mean latency of CBRN was 9...
February 24, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28333937/variability-in-age-and-size-at-maturation-reproductive-longevity-and-long-term-growth-dynamics-for-kemp-s-ridley-sea-turtles-in-the-gulf-of-mexico
#18
Larisa Avens, Lisa R Goshe, Lewis Coggins, Donna J Shaver, Ben Higgins, Andre M Landry, Rhonda Bailey
Effective management of protected sea turtle populations requires knowledge not only of mean values for demographic and life-history parameters, but also temporal and spatial trends, variability, and underlying causes. For endangered Kemp's ridley sea turtles (Lepidochelys kempii), the need for baseline information of this type has been emphasized during attempts to understand causes underlying the recent truncation in the recovery trajectory for nesting females. To provide insight into variability in age and size at sexual maturation (ASM and SSM) and long-term growth patterns likely to influence population trends, we conducted skeletochronological analysis of humerus bones from 333 Kemp's ridleys stranded throughout the Gulf of Mexico (GOM) from 1993 to 2010...
2017: PloS One
https://www.readbyqxmd.com/read/28333304/further-insights-into-the-impact-of-mouse-follicle-stage-on-graft-outcome-in-an-artificial-ovary-environment
#19
M C Chiti, M M Dolmans, C M Lucci, F Paulini, J Donnez, C A Amorim
STUDY QUESTION: Are mouse preantral follicles differently affected by isolation, encapsulation and/or grafting procedures according to stage? SUMMARY ANSWER: Isolated secondary follicles showed superior ability to survive and grow after transplantation, which was not related to a particular effect of the isolation and/or grafting procedure, but rather to their own ability to induce neoangiogenesis. WHAT IS KNOWN ALREADY: Isolated and encapsulated mouse preantral follicles can survive (6-27%) and grow (80-100%) in a fibrin matrix with a low concentration of fibrinogen and thrombin (F12...
March 17, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28332714/phosphate-increase-during-fatigue-affects-crossbridge-kinetics-in-intact-mouse-muscle-at-physiological-temperature
#20
M Nocella, G Cecchi, B Colombini
Actomyosin ATP hydrolysis during muscle contraction releases inorganic phosphate, increasing [Pi ] in the myoplasm. Experiments in skinned fibres at low temperature (10-12°C) have shown that [Pi ] increase depresses isometric force and alters the kinetics of actomyosin interaction. However, Pi effects decrease with temperature and this raises the question of Pi role under physiological conditions. The present experiments were made to investigate this point. Intact fibre bundles isolated from the flexor digitorum brevis of C57BL/6 mice were stimulated with a series of tetanic contractions at 1...
March 23, 2017: Journal of Physiology
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