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Recovery and adaptation

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https://www.readbyqxmd.com/read/28329285/upright-treadmill-vs-semi-supine-bicycle-exercise-echocardiography-to-provoke-obstruction-in-symptomatic-hypertrophic-cardiomyopathy-a-pilot-study
#1
Patricia Reant, Maxence Dufour, Jerome Peyrou, Amelie Reynaud, Caroline Rooryck, Marina Dijos, Cecile Vincent, Claire Cornolle, Raymond Roudaut, Stephane Lafitte
Aims: Recent findings regarding hypertrophic cardiomyopathy (HCM) haemodynamics emphasized the relationship between symptoms, left ventricular outflow tract obstruction (LVOTO), and the preload condition as the venous return level. As various types of exercises have different effects on peripheral vascular beds, this study sought to compare upright treadmill exercise echocardiography (EE) to semi-supine bicycle EE in maximum provoked LVOTO in HCM patients. Methods and results: Semi-supine bicycle and upright treadmill EE were prospectively performed in HCM patients with New York Heart Association functional Class II...
February 17, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28325490/development-and-application-of-a-new-in-line-coupling-of-a-miniaturized-boronate-affinity-monolithic-column-with-capillary-zone-electrophoresis-for-the-selective-enrichment-and-analysis-of-cis-diol-containing-compounds
#2
Maria Betzabeth Espina-Benitez, Jérôme Randon, Claire Demesmay, Vincent Dugas
An integrated, miniaturized and fully automated system was developed for the analysis (preconcentration/purification, separation and detection) of cis-diol containing molecules in complex matrices. This innovative in-line coupling system was achieved via the in-situ and localized synthesis of a short segment of silica-based monolith at the inlet of a 75-μm inner diameter fused silica capillary. The monolithic segment was locally functionalized with an acrylamide derivative of phenylboronic acid by free radical photopolymerization within 10min of irradiation time...
March 9, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28325382/-motor-rehabilitation-of-a-child-after-a-stroke
#3
Cordelia Jouishomme, Pascaline Kehlhoffner, Clara Ros Julia
The rehabilitation of a child after a stroke is different from that of an adult. The child is in the process of growth, brain maturation and psychomotor development. A multidisciplinary rehabilitation team works to ensure the best possible neuromotor recovery. To be effective, the rehabilitation must be adapted to the child, his or her age, the age at which the stroke occurred and also take into account his or her environment.
March 2017: Soins. Pédiatrie, Puériculture
https://www.readbyqxmd.com/read/28323517/differences-in-adolescent-emotion-regulation-and-impulsivity-a-group-comparison-study-of-school-based-recovery-students
#4
Beth S Russell, Anne Thompson Heller, Morica Hutchison
BACKGROUND: Recovery high schools (RHS) vary in organization and operating philosophy, but are designed to support the unique needs of students struggling with substance use disorders (SUD). Previous research on youth risk taking behaviors suggests emotion regulation is a key predictor of outcomes. Specifically, the ability to respond in adaptive rather than maladaptive ways is often associated with challenges of impulsivity, poor distress tolerance, and adolescent substance use. OBJECTIVES: The current study considers data from RHS students in order to answer research questions concerning impulsivity and emotion regulation of youth working to change their risk trajectories in comparison to group of typically developing youth...
March 21, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28320288/analysis-of-photoprotection-and-apparent-non-photochemical-quenching-of-chlorophyll-fluorescence-in-tradescantia-leaves-based-on-the-rate-of-irradiance-induced-changes-in-optical-transparence
#5
V V Ptushenko, O S Ptushenko, O P Samoilova, A E Solovchenko
The kinetics of irradiation-induced changes in leaf optical transparence (ΔT) and non-photochemical quenching (NPQ) of chlorophyll fluorescence in Tradescantia fluminensis and T. sillamontana leaves adapted to different irradiance in nature was analyzed. Characteristic times of a photoinduced increase and a dark decline of ΔT in these species were 12 and 20 min, respectively. The ΔT was not confirmed to be the main contributor to the observed middle phase of NPQ relaxation kinetics (τ = 10-28 min). Comparison of rate of photoinduced increase in ΔT and photosystem II quantum yield recovery showed that the former did not affect the tolerance of the photosynthetic apparatus (PSA) to irradiances up to 150 µmol PAR·m(-2)·s(-1)...
January 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28319134/genotype-and-local-environment-dynamically-influence-growth-disturbance-response-and-survivorship-in-the-threatened-coral-acropora-cervicornis
#6
Crawford Drury, Derek Manzello, Diego Lirman
The relationship between the coral genotype and the environment is an important area of research in degraded coral reef ecosystems. We used a reciprocal outplanting experiment with 930 corals representing ten genotypes on each of eight reefs to investigate the influence of genotype and the environment on growth and survivorship in the threatened Caribbean staghorn coral, Acropora cervicornis. Coral genotype and site were strong drivers of coral growth and individual genotypes exhibited flexible, non-conserved reaction norms, complemented by ten-fold differences in growth between specific G-E combinations...
2017: PloS One
https://www.readbyqxmd.com/read/28319019/recycling-of-metals-from-pretreated-waste-printed-circuit-boards-effectively-in-stirred-tank-reactor-by-a-moderately-thermophilic-culture
#7
Ming-Chen Xia, Ya-Ping Wang, Tang-Jian Peng, Li Shen, Run-Lan Yu, Yuan-Dong Liu, Miao Chen, Jiao-Kun Li, Xue-Ling Wu, Wei-Min Zeng
To seek a feasible technique for processing waste printed circuit boards (PCBs), pretreatment of PCBs by table separation and further bioleached by moderate thermophiles in a stirred tank reactor were investigated. The shaking table separation, conducted after grinding and sieving of PCBs, produced two fractions: metal-rich parts (RPCBs), which is more suitable for pyrometallurgy process than untreated PCBs, and metal-poor parts (PPCBs) with only 8.83% metals was then bioleached by a mixed culture of moderate thermophiles effectively...
March 15, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28314615/distinguishing-globally-driven-changes-from-regional-and-local-scale-impacts-the-case-for-long-term-and-broad-scale-studies-of-recovery-from-pollution
#8
S J Hawkins, A J Evans, N Mieszkowska, L C Adams, S Bray, M T Burrows, L B Firth, M J Genner, K M Y Leung, P J Moore, K Pack, H Schuster, D W Sims, M Whittington, E C Southward
Marine ecosystems are subject to anthropogenic change at global, regional and local scales. Global drivers interact with regional- and local-scale impacts of both a chronic and acute nature. Natural fluctuations and those driven by climate change need to be understood to diagnose local- and regional-scale impacts, and to inform assessments of recovery. Three case studies are used to illustrate the need for long-term studies: (i) separation of the influence of fishing pressure from climate change on bottom fish in the English Channel; (ii) recovery of rocky shore assemblages from the Torrey Canyon oil spill in the southwest of England; (iii) interaction of climate change and chronic Tributyltin pollution affecting recovery of rocky shore populations following the Torrey Canyon oil spill...
March 14, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28303390/the-hydroperoxide-lyase-branch-of-the-oxylipin-pathway-protects-against-photoinhibition-of-photosynthesis
#9
Tatyana Savchenko, Denis Yanykin, Andrew Khorobrykh, Vasily Terentyev, Vyacheslav Klimov, Katayoon Dehesh
This study describes a new role for hydroperoxide lyase branch of oxylipin biosynthesis pathway in protecting photosynthetic apparatus under high light conditions. Lipid-derived signaling molecules, oxylipins, produced by a multi-branch pathway are central in regulation of a wide range of functions. The two most known branches, allene oxide synthase (AOS) and 13-hydroperoxide lyase (HPL) pathways, are best recognized as producers of defense compounds against biotic challenges. In the present work, we examine the role of these two oxylipin branches in plant tolerance to the abiotic stress, namely excessive light...
March 16, 2017: Planta
https://www.readbyqxmd.com/read/28303185/long-term-acclimation-to-reciprocal-light-conditions-suggests-depth-related-selection-in-the-marine-foundation-species-posidonia-oceanica
#10
Emanuela Dattolo, Lazaro Marín-Guirao, Juan M Ruiz, Gabriele Procaccini
Phenotypic differences among populations of the same species reflect selective responses to ecological gradients produced by variations in abiotic and biotic factors. Moreover, they can also originate from genetic differences among populations, due to a reduced gene flow. In this study, we examined the extent of differences in photo-acclimative traits of Posidonia oceanica (L.) Delile clones collected above and below the summer thermocline (i.e., -5 and -25 m) in a continuous population extending along the water depth gradient...
February 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28302467/recent-advances-in-enzyme-extraction-strategies-a-comprehensive-review
#11
REVIEW
Shamraja S Nadar, Rohini G Pawar, Virendra K Rathod
The increasing interest of industrial enzymes demands for development of new downstream strategies for maximizing enzyme recovery. The significant efforts have been focused on the development of newly adapted technologies to purify enzymes in catalytically active form. Recently, an aqueous two phase system (ATPS) is emerged as powerful tools for efficient extraction and purification of enzymes due to their versatility, lower cost, process integration capability and easy scale-up. The present review gives an overview of effect of parameters such as tie line length, pH, neutral salts, properties of polymer and salt involved in traditional polymer/polymer and polymer/salt ATPS for enzyme recovery...
March 13, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28292629/the-5-clinical-pillars-of-value-for-total-joint-arthroplasty-in-a-bundled-payment-paradigm
#12
Kelvin Kim, Richard Iorio
BACKGROUND: Our large, urban, tertiary, university-based institution reflects on its 4-year experience with Bundled Payments for Care Improvement. We will describe the importance of 5 clinical pillars that have contributed to the early success of our bundled payment initiative. We are convinced that value-based care delivered through bundled payment initiatives is the best method to optimize patient outcomes while rewarding surgeons and hospitals for adapting to the evolving healthcare reforms...
February 14, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28290109/continuous-online-item-calibration-parameter-recovery-and-item-utilization
#13
Hao Ren, Wim J van der Linden, Qi Diao
Parameter recovery and item utilization were investigated for different designs for online test item calibration. The design was adaptive in a double sense: it assumed both adaptive testing of examinees from an operational pool of previously calibrated items and adaptive assignment of field-test items to the examinees. Four criteria of optimality for the assignment of the field-test items were used, each of them based on the information in the posterior distributions of the examinee's ability parameter during adaptive testing as well as the sequentially updated posterior distributions of the field-test item parameters...
March 13, 2017: Psychometrika
https://www.readbyqxmd.com/read/28289715/cerebrovascular-adaptations-to-cocaine-induced-transient-ischemic-attacks-in-the-rodent-brain
#14
Jiang You, Nora D Volkow, Kicheon Park, Qiujia Zhang, Kevin Clare, Congwu Du, Yingtian Pan
Occurrence of transient ischemic attacks (TIA) and cerebral strokes is a recognized risk associated with cocaine abuse. Here, we use a rodent model along with optical imaging to study cocaine-induced TIA and the associated dynamic changes in cerebral blood flow velocity (CBFv) and cerebrovasculature. We show that chronic cocaine exposure in mice resulted in marked cortical hypoperfusion, in significant arterial and venous vasoconstriction, and in a sensitized vascular response to an acute cocaine injection...
March 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28287467/life-after-stroke-in-an-urban-minority-population-a-photovoice-project
#15
Revathi Balakrishnan, Benjamin Kaplan, Rennie Negron, Kezhen Fei, Judith Z Goldfinger, Carol R Horowitz
Stroke is a leading cause of disability in the United States and disproportionately affects minority populations. We sought to explore the quality of life in urban, minority stroke survivors through their own photos and narratives. Using the Photovoice method, seventeen stroke survivors were instructed to take pictures reflecting their experience living with and recovering from stroke. Key photographs were discussed in detail; participants brainstormed ways to improve their lives and presented their work in clinical and community sites...
March 11, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28284761/embedding-of-semantic-predications
#16
Trevor Cohen, Dominic Widdows
This paper concerns the generation of distributed vector representations of biomedical concepts from structured knowledge, in the form of subject-relation-object triplets known as semantic predications. Specifically, we evaluate the extent to which a representational approach we have developed for this purpose previously, known as Predication-based Semantic Indexing (PSI), might benefit from insights gleaned from neural-probabilistic language models, which have enjoyed a surge in popularity in recent years as a means to generate distributed vector representations of terms from free text...
March 8, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28284403/-from-rehabilitation-to-re-adaptation-preparing-the-return-home
#17
Jérôme Froger, Claire Jourdan, Marie-Christine Dabek, Sophie Petitqueux, Raphaël Gardes, Arnaud Dupeyron
After a serious head trauma, the return home constitutes a key moment in the patient's reintegration. It is prepared by a multi-disciplinary team throughout the rehabilitation and re-adaptation process, taking into account the patient's prognosis for recovery.
March 2017: Revue de L'infirmière
https://www.readbyqxmd.com/read/28282620/a-3d-fish-liver-model-for-aquatic-toxicology-morphological-changes-and-cyp1a-induction-in-plhc-1-microtissues-after-repeated-benzo-a-pyrene-exposures
#18
April L Rodd, Norma J Messier, Charles A Vaslet, Agnes B Kane
To identify the potential environmental impacts of aquatic pollutants, rapid and sensitive screening tools are needed to assess adaptive and toxic responses. This study characterizes a novel fish liver microtissue model, produced with the cell line PLHC-1, as an in vitro aquatic toxicity testing platform. These 3D microtissues remain viable and stable throughout the 8-day testing period and relative to 2D monolayers, show increased basal expression of the xenobiotic metabolizing enzyme cytochrome P450 1A (Cyp1a)...
February 21, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28280511/combination-treatment-of-perioperative-rehabilitation-and-psychoeducation-undergoing-thoracic-surgery
#19
Kazuhiro Hayashi, Takayuki Inoue, Motoki Nagaya, Satoru Ito, Hiroki Nakajima, Keiko Hattori, Izumi Kadono, Kohei Yokoi, Yoshihiro Nishida
Postoperative pulmonary complications are a risk associated with thoracic surgery. However, there have been few reports on cases at high risk of postoperative complications. Cancer patients often have negative automatic thoughts about illness, and these negative automatic thoughts are associated with reduced health behavior and physical activity. This case series demonstrates the successful combination treatment of perioperative rehabilitation and psychoeducation for negative automatic thoughts in two cancer patients who underwent thoracic surgery...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28280460/androstenediol-reduces-demyelination-induced-axonopathy-in-the-rat-corpus-callosum-impact-on-microglial-polarization
#20
Samah Kalakh, Abdeslam Mouihate
Aims: We have previously shown that the neurosteroid androstenediol (ADIOL) promotes remyelination following gliotoxin-induced demyelination. However, the impact of this ADIOL on axonal recovery is not yet known. In the present study, we investigated the impact of ADIOL on axonal integrity following a focal demyelination in the corpus callosum. Methods: A 2 μl solution of either ethidium bromide (EB; 0.04%) or pyrogen-free saline were stereotaxically injected into the corpus callosum of Sprague Dawley rats...
2017: Frontiers in Cellular Neuroscience
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