2,066,102 results match your criteria Physical & Occupational Therapy in Pediatrics [Journal]


Gut microbiota diversity associates with cardiorespiratory fitness in post-primary treatment breast cancer survivors.

Exp Physiol 2019 Feb 14. Epub 2019 Feb 14.

Department of Nutrition Sciences, University of Alabama at Birmingham.

New Findings: What is the central question of this study? Does the link between cardiorespiratory fitness and gut microbiota diversity persist after adjusting for the potential effects of %body fat and activity-related energy expenditure (AEE)? What is the main finding and its importance? This is the first study to examine the link between cardiorespiratory fitness and gut microbiota diversity while accounting for the underlying effects of %body fat and free-living AEE. Results from the present work suggest cardiorespiratory fitness, not physical activity, is a superior correlate of gut microbiota diversity among post-primary treatment, non-metastatic breast cancer survivors.

Abstract: Cancer treatment uniquely triggers multiple physiologic shifts detrimental to overall health. Read More

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http://dx.doi.org/10.1113/EP087404DOI Listing
February 2019

Impact of Baseline Features and Risk Factor Control on Cognitive Function in the Stenting and Aggressive Medical Management for Preventing Recurrent Stroke in Intracranial Stenosis Trial.

Cerebrovasc Dis 2019 Feb 14;47(1-2):24-31. Epub 2019 Feb 14.

Medical University of South Carolina, Charleston, South Carolina, USA.

Background: Cerebrovascular disease is an important cause of cognitive impairment. The aim of this study is to report the relationship between cognitive function and risk factors at baseline and during follow-up in the Stenting and Aggressive Medical Management for Preventing Recurrent stroke in Intracranial Stenosis (SAMMPRIS) trial.

Methods: Subjects in the SAMMPRIS trial were included in this study. Read More

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http://dx.doi.org/10.1159/000497245DOI Listing
February 2019

Tolerability, treatment satisfaction and quality of life outcomes in stable multiple sclerosis patients switched from injectable therapies to auto injected intramuscular interferon beta 1a: The SFERA study.

Mult Scler Relat Disord 2019 Feb 6;30:104-109. Epub 2019 Feb 6.

Neurocenter of Southern Switzerland, Ospedale Regionale di Lugano, Via Tesserete 46, 6903 Lugano, Switzerland.

Background: Interferon beta (IFNB) and Glatiramer acetate, long-term first line disease modifying treatments (DMTs) for multiple sclerosis (MS), have different injection frequencies crucial for injection site related side effects. We aimed at investigating whether switching to intramuscular IFNB-1a injected once/week with the Avonex®Pen™ device improves treatment tolerability and quality of life in stable MS patients.

Methods: Clinically stable MS patients, whom their treating neurologist switched from high frequency injectable DMTs to weekly intramuscular IFNB-1a because of bothersome injection site reactions, were included. Read More

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http://dx.doi.org/10.1016/j.msard.2019.02.010DOI Listing
February 2019

Volume alterations of brainstem subregions in migraine with aura.

Neuroimage Clin 2019 Feb 4;22:101714. Epub 2019 Feb 4.

Faculty of Medicine, University of Belgrade, Serbia; Center for Headaches, Neurology Clinic, Clinical Center of Serbia, Serbia.

Background: The brainstem plays a significant role in migraine pathogenesis, but a relationship between volume alterations of brainstem subregions and migraine aura characteristics has not been sufficiently investigated. The aim of this study is to compare the volume of the brainstem, and its subregions, between patients with a migraine with aura (MwA) and healthy controls (HC), and also to correlate characteristics of MwA and the volume of the brainstem subregions.

Methods: Forty-two MwA and 42 HCs, balanced by sex and age, were selected for this study. Read More

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http://dx.doi.org/10.1016/j.nicl.2019.101714DOI Listing
February 2019

Ultra-strong mechanical property and force-driven malleability of water-poor hydrogels.

J Colloid Interface Sci 2019 Feb 6;542:281-288. Epub 2019 Feb 6.

Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials(MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China. Electronic address:

Hydrogels are known as soft and wet materials. Development of metal-like hydrogels with super strong and malleable properties is highly desirable as it allows for broader application and reprocessability. Here we report a dual nanocomposite hydrogel with peculiar mechanical properties in water-poor region. Read More

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http://dx.doi.org/10.1016/j.jcis.2019.02.015DOI Listing
February 2019

Functional performance testing and return to sport criteria in patients after anterior cruciate ligament injury 12-18 months after index surgery: A cross-sectional observational study.

Phys Ther Sport 2019 Feb 7;37:1-9. Epub 2019 Feb 7.

Ludwig-Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria; Traumacenter Graz, Teaching Hospital of the Medical University Graz, Graz, Austria. Electronic address:

Objectives: Objective return to sport (RTS) criteria after anterior cruciate ligament (ACL) injury are lacking. Study purposes were (1) to report Limb Symmetry Index (LSI) values achieved in a test battery, (2) to detect how many subjects meet RTS criteria 12-18 months post-operative and (3) to identify whether patient-administered scores predict RTS criteria.

Design: Observer-blinded, cross-sectional observational study. Read More

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http://dx.doi.org/10.1016/j.ptsp.2019.01.010DOI Listing
February 2019

Serum metabolomics model and its metabolic characteristics in patients with different syndromes of dyslipidemia based on nuclear magnetic resonance.

J Pharm Biomed Anal 2019 Feb 4;167:100-113. Epub 2019 Feb 4.

Neurology Department (3 ward), Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China. Electronic address:

Dyslipidemia is known as a common clinical disease that affects the health of millions of people around the world. The treatment of dyslipidemia with traditional Chinese medicine (TCM) is generally based on the accurate identification of disease syndromes. TCM syndromes are judged by traditional four-diagnosis method, which is subjective and fuzzy. Read More

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http://dx.doi.org/10.1016/j.jpba.2018.12.042DOI Listing
February 2019

Antimony leaching from antimony-bearing ferric oxyhydroxides by filamentous fungi and biotransformation of ferric substrate.

Sci Total Environ 2019 Feb 3;664:683-689. Epub 2019 Feb 3.

Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 84215 Bratislava, Slovakia.

Ferric oxyhydroxides are natural scavengers of antimony, thus, they contribute significantly to antimony immobilization in soils and sediments. Recent studies, however, usually omit microbial influence on geochemically stable antimony-ferric oxyhydroxide association. Therefore, we have evaluated fungal contribution to antimony mobility during static cultivation of common soil fungus Aspergillus niger in presence of ferric oxyhydroxides. Read More

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http://dx.doi.org/10.1016/j.scitotenv.2019.02.033DOI Listing
February 2019

Environmental fate and impact assessment of thiobencarb application in California rice fields using RICEWQ.

Sci Total Environ 2019 Feb 1;664:669-682. Epub 2019 Feb 1.

Department of Land, Air and Water Resources, University of California, Davis, CA 95616, USA. Electronic address:

Thiobencarb is a commonly used herbicide in Northern California rice fields. Released paddy water containing thiobencarb may pose ecological risks to non-targeted organisms. In this research, the Rice Water Quality Model (RICEWQ) is equilibrium tested and then calibrated using monitoring data at field level. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S00489697193047
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http://dx.doi.org/10.1016/j.scitotenv.2019.02.003DOI Listing
February 2019
1 Read

Is the Drive for Muscularity Scale a valid and reliable instrument for young adult women?

Body Image 2019 Feb 11;29:1-5. Epub 2019 Feb 11.

Department of Physical Education, "Federal" University of Juiz de Fora, Brazil.

There is a lack of psychometric studies on scales aiming to evaluate the drive for muscularity in women. This study aimed to test whether the Drive for Muscularity Scale (DMS) yielded reliable and valid scores for assessing the drive for muscularity construct in young adult women. A cross-sectional study was conducted among 242 Brazilian adult women. Read More

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http://dx.doi.org/10.1016/j.bodyim.2019.02.001DOI Listing
February 2019

SPS technique for ionizing radiation source fabrication based on dense cesium-containing core.

J Hazard Mater 2019 Feb 7;369:25-30. Epub 2019 Feb 7.

Institute of Chemistry, Far Eastern Branch of Russian Academy of Sciences, 159, Prosp. 100-letiya Vladivostoka, Vladivostok, 690022, Russia.

The work presents a novel method for fabrication of the high-quality ionizing radiation source (IRS), which is promising to replace unsafe commercial products based on CsCl prohibited by IAEA. Spark plasma sintering (SPS) technique has been applied to produce dense ceramic and glass-ceramic matrixes from Cs-containing (˜13.5 wt. Read More

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http://dx.doi.org/10.1016/j.jhazmat.2019.02.016DOI Listing
February 2019

Pneumatosis intestinalis after molecular targeted therapy.

World Neurosurg 2019 Feb 11. Epub 2019 Feb 11.

Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA. Electronic address:

Background: Pneumoperitoneum after surgical manipulation of the abdomen implies a perforation. Rare cases of non-operated cancer patients, largely with gastrointestinal or genitourinary cancers, have been noted to have radiological findings of pneumatosis intestinalis and/or pneumoperitoneum as a complication of molecular-targeted therapy (MTT) without confounding factors for perforation. We present a patient with a cranial malignancy treated with bevacizumab who subsequently manifested with pneumatosis intestinalis. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S18788750193033
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http://dx.doi.org/10.1016/j.wneu.2019.01.225DOI Listing
February 2019
1 Read

An isolated aneurysm of the abdominal aorta in a patient with Marfan's syndrome - a case report.

Ann Vasc Surg 2019 Feb 11. Epub 2019 Feb 11.

Clinic for Vascular and Endovascular Surgery, Clinical Center of Serbia, Belgrade; School of Medicine, University of Belgrade, Serbia.

We present a case of successfully treated abdominal aortic aneurysm in a 24-year old patient with Marfan's syndrome. Following initial physical and ultrasound examination, the multislice computed tomography scan revealed infrarenal aortic aneurysm of 6 cm in diameter, 10 cm long, along with slightly dilated iliac arteries. However, dimensions of aortic root, aortic arch and descending suprarenal aorta were within normal limits. Read More

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http://dx.doi.org/10.1016/j.avsg.2018.11.019DOI Listing
February 2019

School-based health services and educational attainment: Findings from a national longitudinal study.

Prev Med 2019 Feb 11. Epub 2019 Feb 11.

Pacific Institute for Research and Evaluation, 1516 East Franklin St., Chapel Hill, NC 27514, United States of America.

This study examined whether availability and use of different types of school-based health services (SBHS) during adolescence were associated with educational attainment in adulthood. Data from the National Longitudinal Study of Adolescent to Adult Health (Add Health) were analyzed in 2018 to assess relationships between different types of SBHS provided by schools and use of SBHS among adolescents in 1995, and educational attainment in young adulthood (2001-02) and later adulthood (2008). Multi-level linear regression models included SBHS such as providing immunizations, physical exams and emotional counseling at the school level, and receiving a school-based physical exam, emotional counseling or family planning counseling at the individual level, with other school and individual characteristics included as covariates. Read More

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http://dx.doi.org/10.1016/j.ypmed.2019.02.019DOI Listing
February 2019

Access to credentialed elementary physical education teachers in California and students' cardiorespiratory fitness.

Prev Med 2019 Feb 11. Epub 2019 Feb 11.

UC Berkeley School of Public Health, 2121 Berkeley Way #5302, Berkeley, CA 94720, United States of America. Electronic address:

Physical education (PE) can improve student health. Schools with credentialed PE teachers receive more PE. However, many schools have reduced PE funding, resulting in fewer teachers and potentially poorer student health. Read More

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http://dx.doi.org/10.1016/j.ypmed.2019.01.021DOI Listing
February 2019

Domain-specific physical activity and sedentary behavior during pregnancy and postpartum depression risk in the French EDEN and ELFE cohorts.

Prev Med 2019 Feb 11. Epub 2019 Feb 11.

INSERM, UMR1153 Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Developmental Origins of Health and disease (ORCHAD) Team, Villejuif F-94807, France; Paris Descartes University, France.

The potential beneficial effects of physical activity during pregnancy on postpartum depressive symptoms (PPD) remain inconclusive. Using data from two prospective French birth cohorts, we aimed to examine the relationship between domain-specific physical activity (including leisure-time sedentary behavior) in pregnancy and the occurrence of PPD. Participants of the ELFE cohort (n = 15,538) completed the Pregnancy Physical Activity Questionnaire (PPAQ), which assesses the following physical activity/sedentary behavior domains: household/caregiving, occupational, sports/exercise, transportation and leisure-time sedentary behavior during the third pregnancy trimester. Read More

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http://dx.doi.org/10.1016/j.ypmed.2019.02.012DOI Listing
February 2019

Documentation of everyday life and health care following gastrostomy tube placement in children: a content analysis of medical records.

Disabil Rehabil 2019 Feb 14:1-11. Epub 2019 Feb 14.

d Department of Research and Development , Region Halland , Halmstad , Sweden.

Background: Everyday routines play a vital role in child functioning and development. This study explored health professionals' documentation of everyday life and health care during the first year following gastrostomy tube placement in children and the content of intervention goals.

Methods: The medical records of 39 children (median age 38 months, min-max: 15-192) in one region of Sweden were analysed. Read More

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http://dx.doi.org/10.1080/09638288.2019.1573383DOI Listing
February 2019

[Quality of Life of Adolescents with Homozygous Sickle-Cell Disease Managed at the Brazzaville Teaching Hospital (Congo)].

Bull Soc Pathol Exot 2018 ;111(1):46-50

Service de pédiatrie nourrissons, CHU de Brazzaville, faculté des sciences de la santé, université Marien-Ngouabi, Brazzaville, BP 32, CG-Brazzaville, Congo.

Adolescence is a particular age group in terms of psychological and somatic changes. Thus, the experience of a chronic disease such as sickle-cell disease is different compared to the younger child who depends entirely on his parents. The purpose of this study is to assess the quality of life and to identify the determinants of good quality of life of such teenagers. Read More

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http://dx.doi.org/10.3166/bspe-2018-0006DOI Listing
January 2018

Self-perception in Children Aged 3 to 7 Years With Amblyopia and Its Association With Deficits in Vision and Fine Motor Skills.

JAMA Ophthalmol 2019 Feb 14. Epub 2019 Feb 14.

School of Optometry and Vision Science, Queensland University of Technology, Brisbane, Queensland, Australia.

Importance: Deficits in fine motor skills and slow reading speed have been reported in school-aged children and adults with amblyopia. These deficits were correlated with lower self-perception of athletic and cognitive competence. Although perceived competence and social acceptance are key determinants of developing self-perception in young children, the association of amblyopia with self-perception and the association of altered self-perception with fine motor skills to date have not been reported for young children aged 3 to 7 years. Read More

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http://dx.doi.org/10.1001/jamaophthalmol.2018.7075DOI Listing
February 2019

Integrating genetic and physical positions of the anthracnose resistance genes described in bean chromosomes Pv01 and Pv04.

PLoS One 2019 14;14(2):e0212298. Epub 2019 Feb 14.

Plant Genetic Group, Area of Horticultural and Forest Crops, SERIDA, Villaviciosa Asturias, Spain.

A complex landscape of anthracnose resistance genes (Co-) located at the telomeric regions of the bean chromosomes Pv01 and Pv04 has been reported. The aim of this work was to investigate the genetic and physical positions of genes conferring resistance to races 6, 38, 39, 357, 65, and 73 as well as the relationships among the resistance genes identified herein and the previously described Co- genes in these telomeric regions. The linkage analysis using a genetic map of 497 SNPs from the recombinant inbred line population Xana/BAT93 revealed that the gene conferring resistance to race 65 in cultivar Xana (Co-165-X) was located in the Co-1 cluster, at the distal end of chromosome Pv01. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0212298PLOS
February 2019

The serum level of a novel lipogenic protein Spot 14 was reduced in metabolic syndrome.

PLoS One 2019 14;14(2):e0212341. Epub 2019 Feb 14.

Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan.

Spot 14 (S14) protein is primarily expressed in adipogenic tissues. Compared to wild type, S14 knockout mice had better resistance to diet-induced obesity and glucose tolerance. However, the association between serum S14 level and metabolic variables in humans has never been investigated. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0212341PLOS
February 2019

The effect of contact sport expertise on postural control.

PLoS One 2019 14;14(2):e0212334. Epub 2019 Feb 14.

Faculty of Sports Sciences, Waseda University, Tokorozawa, Saitama, Japan.

It has been demonstrated that expertise in sport influences standing balance ability. However, little is known concerning how physical contact in sport affects balance ability. The aim of this study was to examine whether differences between contact and limited-contact sport experiences results in differences in postural control. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0212334PLOS
February 2019

Linking childhood emotional abuse and depressive symptoms: The role of emotion dysregulation and interpersonal problems.

PLoS One 2019 14;14(2):e0211882. Epub 2019 Feb 14.

Department of Psychology, Miami University, Oxford, Ohio, United States of America.

Childhood abuse is a major public health problem that has been linked to depression in adulthood. Although different types of childhood abuse often co-occur, few studies have examined their unique impact on negative mental health outcomes. Most studies have focused solely on the consequences of childhood physical or sexual abuse; however, it has been suggested that childhood emotional abuse is more strongly related to depression. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0211882PLOS
February 2019

Transvection-like interchromosomal interaction is not observed at the transcriptional level when tested in the Rosa26 locus in mouse.

PLoS One 2019 14;14(2):e0203099. Epub 2019 Feb 14.

Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, United States of America.

Long-range associations between enhancers and their target gene promoters have been shown to play critical roles in executing genome function. Recent variations of chromosome capture technology have revealed a comprehensive view of intra- and interchromosomal contacts between specific genomic sites. The locus control region of the β-globin genes (β-LCR) is a super-enhancer that is capable of activating all of the β-like globin genes within the locus in cis through physical interaction by forming DNA loops. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0203099PLOS
February 2019

Random forest prediction of Alzheimer's disease using pairwise selection from time series data.

PLoS One 2019 14;14(2):e0211558. Epub 2019 Feb 14.

Department of Psychiatry, University of Oxford, Oxford, United Kingdom.

Time-dependent data collected in studies of Alzheimer's disease usually has missing and irregularly sampled data points. For this reason time series methods which assume regular sampling cannot be applied directly to the data without a pre-processing step. In this paper we use a random forest to learn the relationship between pairs of data points at different time separations. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0211558PLOS
February 2019

Overcoming the problem of multicollinearity in sports performance data: A novel application of partial least squares correlation analysis.

PLoS One 2019 14;14(2):e0211776. Epub 2019 Feb 14.

Institute for Sport, Physical Activity and Leisure, Leeds Beckett University, Leeds, West Yorkshire, United Kingdom.

Objectives: Professional sporting organisations invest considerable resources collecting and analysing data in order to better understand the factors that influence performance. Recent advances in non-invasive technologies, such as global positioning systems (GPS), mean that large volumes of data are now readily available to coaches and sport scientists. However analysing such data can be challenging, particularly when sample sizes are small and data sets contain multiple highly correlated variables, as is often the case in a sporting context. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0211776PLOS
February 2019

Determinants and Variations of Hospital Costs in Patients With Lumbar Radiculopathy Hospitalized for Spinal Surgery.

Spine (Phila Pa 1976) 2019 Mar;44(5):355-362

I-CHER, Interuniversity Center for Health Economics Research Group, Belgium.

Study Design: A retrospective study.

Objective: The aim of this study was to determine hospital costs related to surgery for lumbar radiculopathy and identify determinants of intramural costs based on minimal hospital and claims data.

Summary Of Background Data: Costs related to the initial hospitalization of patients undergoing surgery for lumbar radiculopathy make up the major part of direct health care expenditure in this population. Read More

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http://dx.doi.org/10.1097/BRS.0000000000002801DOI Listing

Inactivity Induces Resistance to the Metabolic Benefits Following Acute Exercise.

J Appl Physiol (1985) 2019 Feb 14. Epub 2019 Feb 14.

Kinesiology and Health Education, University of Texas at Austin, United States.

Acute exercise improves postprandial lipemia, glucose tolerance, and insulin sensitivity, all of which are risk factors for cardiovascular disease. However, recent research suggests that prolonged sedentary behavior might abolish these healthy metabolic benefits. Accordingly, this study aimed to elucidate the impact of an acute bout of exercise on postprandial plasma triglyceride, glucose, and insulin concentrations after four days of prolonged sitting (~13. Read More

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http://dx.doi.org/10.1152/japplphysiol.00968.2018DOI Listing
February 2019

Disuse-induced insulin resistance susceptibility coincides with a dysregulated skeletal muscle metabolic transcriptome.

J Appl Physiol (1985) 2019 Feb 14. Epub 2019 Feb 14.

Department of Physical Therapy, University of Utah, United States.

Short-term muscle disuse is characterized by skeletal muscle insulin resistance, though this response is divergent across subjects. The mechanisms regulating inactivity-induced insulin resistance between populations that are more or less susceptibile to disuse-induced insulin resistance are not known. RNA sequencing was conducted on vastus lateralis muscle biopsies from subjects before and after bed rest (n=26) to describe the transcriptome of inactivity-induced insulin resistance. Read More

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http://dx.doi.org/10.1152/japplphysiol.01093.2018DOI Listing
February 2019

Inspiratory Muscle Activation via Ventral Lower Thoracic High Frequency Spinal Cord Stimulation.

J Appl Physiol (1985) 2019 Feb 14. Epub 2019 Feb 14.

Department of Physical Medicine and Rehabilitation, MetroHealth Medical Center, Case Western Reserve University, United States.

In animals, high frequency spinal cord stimulation (HF-SCS) applied on the ventral epidural surface at T2 level results in negative airway pressure generation consistent with inspiratory muscle activation. In the present study, in anesthetized dogs, we found that ventral HF-SCS (500Hz) applied at all thoracic levels resulted in negative airway pressure generation. In the region of the lower thoracic spinal cord, negative airway pressure generation was most pronounced at the T9 level. Read More

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http://dx.doi.org/10.1152/japplphysiol.01054.2018DOI Listing
February 2019

Applying mindfulness training to enhance the mental toughness and emotional intelligence of amateur basketball players.

Australas Psychiatry 2019 Feb 14:1039856219828119. Epub 2019 Feb 14.

Community Health and Epidemiology, Dalhousie University, Canada and University of Queensland, Rural and Southern Clinical Schools, Wooloongabba, Australia.

Objectives:: Mindfulness is a proven treatment in clinical settings. Our objective was to examine the feasibility and effect of a mindfulness-training program on the mental resilience and emotional intelligence of amateur basketball players.

Methods:: This was a parallel-group, pre- and post- test, randomised controlled trial. Read More

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http://dx.doi.org/10.1177/1039856219828119DOI Listing
February 2019

Accelerated Aging of PS Blocks in PS- b-PMMA Diblock Copolymer under Hard Confinement.

J Phys Chem B 2019 Feb 14. Epub 2019 Feb 14.

This letter presents accelerated physical aging of polystyrene (PS) blocks in polystyrene-block-poly(methyl methacrylate) (PS-b-PMMA) diblock copolymers under hard confinement. The three-dimensional hard nanoconfinement was provided by the PMMA component owing to its high elasticity, and was formed via self-assembled microphase separation. Aging was observed by measuring enthalpy recovery of the PS blocks in the copolymers for which the degree of polymerization (N) of PS blocks is fixed while the N of PMMA blocks varies. Read More

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http://dx.doi.org/10.1021/acs.jpcb.8b12565DOI Listing
February 2019

Relative Principal Components Analysis: Application to Analyzing Biomolecular Conformational Changes.

J Chem Theory Comput 2019 Feb 14. Epub 2019 Feb 14.

A new method termed "Relative Principal Components analysis" (RPCA) is introduced that extracts optimal relevant principal components to describe the change between two data samples representing two macroscopic states. The method is widely applicable in data-driven science. Calculating the components is based on a unified physical framework which introduces the objective function, namely the Kullback-Leibler divergence, appropriate for quantifying the change of the macroscopic state as it is effected by the microscopic features. Read More

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http://dx.doi.org/10.1021/acs.jctc.8b01074DOI Listing
February 2019

Sequence selection by FitSS4ASR alleviates ancestral sequence reconstruction as exemplified for geranylgeranylglyceryl phosphate synthase.

Biol Chem 2019 Feb;400(3):367-381

Institute of Biophysics and Physical Biochemistry, University of Regensburg, Universitätsstraße 31, D-93040 Regensburg, Germany.

For evolutionary studies, but also for protein engineering, ancestral sequence reconstruction (ASR) has become an indispensable tool. The first step of every ASR protocol is the preparation of a representative sequence set containing at most a few hundred recent homologs whose composition determines decisively the outcome of a reconstruction. A common approach for sequence selection consists of several rounds of manual recompilation that is driven by embedded phylogenetic analyses of the varied sequence sets. Read More

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http://dx.doi.org/10.1515/hsz-2018-0344DOI Listing
February 2019

Portal vein tumor thrombus from gastric cancer.

J Ultrason 2018 ;18(75):365-368

Pathology Department, Hospital Tuanku Ja'afar , Jalan Rasah, Negeri Sembilan , Malaysia.

A 53-year-old woman presented with left-sided abdominal pain, nausea and vomiting for the past 3 months with associated loss of appetite and weight. On physical examination, there was a large, ill-defined, firm mass at the epigastrium. Ultrasonography showed heterogeneously hypoechoic filling defect within the dilated main portal vein. Read More

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http://dx.doi.org/10.15557/JoU.2018.0054DOI Listing
January 2018

[ARFID - Avoidant and restrictive food intake disorder : clinical characteristics].

Rev Med Suisse 2019 Feb;15(638):394-397

Service de psychiatrie de l'enfant et de l'adolescent, Département de l'enfant et de l'adolescent, HUG, 1211 Genève 14.

Avoidant and restrictive food intake disorder (ARFID) is a « new » diagnosis introduced in the Diagnostic and statistical manual of mental disorders, fifth edition (DSM-5) in 2013. ARFID is a heterogeneous disorder that seems to be common in clinical settings and is associated with high levels of physical and psychological comorbidity and impact on physical health and psychosocial functioning. We present an overview of the available literature on ARFID and describe the current understanding of its correlates. Read More

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February 2019

Is a bent crystal still a single crystal?

Angew Chem Int Ed Engl 2019 Feb 14. Epub 2019 Feb 14.

Harvard University, Radcliffe Institute for Advanced Study, 10 Garden St, 02138, Cambridge, UNITED STATES.

The mention of the word 'crystal' invokes images of minerals, gems and rocks, all of which are inevitably solid, hard and durable entities with well-defined smooth faces and straight edges. With the discovery, in the first half of the 20th century that many molecular crystals are soft and can be deformed similarly to rubber or plastic (L. A. Read More

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http://dx.doi.org/10.1002/anie.201814387DOI Listing
February 2019

Dimensionality Expansion of a Butterfly Shaped Pd Framework: Constructing Edge-Sharing Pd Tetrahedra.

Chemistry 2019 Feb 14. Epub 2019 Feb 14.

Institute of Industrial Science, The University of Tokyo, 4-6-1 Meguro-ku, Komaba, Tokyo, Japan.

The construction of well-defined transition-metal clusters has attracted substantial attention due to their unique chemical and/or physical properties. Metal clusters with 1D or 2D structures are now accessible by template-synthesis methods, in which multiple metal atoms are arranged with the aid of template molecules and their 1D or 2D structures. However, the rational synthesis of 3D clusters remains challenging, mostly due to a lack of appropriate template molecules. Read More

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http://dx.doi.org/10.1002/chem.201805678DOI Listing
February 2019

MXene-Derived Ferroelectric Crystals.

Adv Mater 2019 Feb 14:e1806860. Epub 2019 Feb 14.

Materials Science and Engineering, Physical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia.

This study demonstrates the first synthesis of MXene-derived ferroelectric crystals. Specifically, high-aspect-ratio potassium niobate (KNbO ) ferroelectric crystals is successfully synthesized using 2D Nb C, MXene, and potassium hydroxide (KOH) as the niobium and potassium source, respectively. Material analysis confirms that a KNbO orthorhombic phase with Amm2 symmetry is obtained. Read More

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http://dx.doi.org/10.1002/adma.201806860DOI Listing
February 2019

Germylone-bridged bimetallic Ir and Rh complexes.

Dalton Trans 2019 Feb 14. Epub 2019 Feb 14.

Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore.

The reactions of germylone 1 with one equivalent of [M(COD)Cl]2 (M = Ir, Rh) afforded the germylone-bridged bimetallic complexes 2 and 3, which have been spectroscopically and structurally characterized. Density functional theory (DFT) studies reveal the relatively strong interactions between the Ge atom and these metals. By the reaction of [Rh(COD)Cl]2 with CO followed by addition of 1, a complex 4 involving a Rh-Ge-Rh-Ge-Rh chain was also synthesized. Read More

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http://dx.doi.org/10.1039/c9dt00145jDOI Listing
February 2019

Correction: Au@PdO with a PdO-rich shell and Au-rich core embedded in CoO nanorods for catalytic combustion of methane.

Nanoscale 2019 Feb 14. Epub 2019 Feb 14.

CAS Key Laboratory of Low-Carbon Conversion Science and Engineering, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China and School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.

Correction for 'Au@PdOx with a PdOx-rich shell and Au-rich core embedded in Co3O4 nanorods for catalytic combustion of methane' by Yan Zhu et al., Nanoscale, 2017, 9, 2123-2128. Read More

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http://dx.doi.org/10.1039/c9nr90025jDOI Listing
February 2019

A comparative study demonstrates strong size tunability of carrier-phonon coupling in CdSe-based 2D and 0D nanocrystals.

Nanoscale 2019 Feb 14. Epub 2019 Feb 14.

Institute of Optics and Atomic Physics, Technical University of Berlin, Strasse des 17. Juni 135, 10623 Berlin, Germany.

In a comparative study we investigate the carrier-phonon coupling in CdSe based core-only and hetero 2D as well as 0D nanoparticles. We demonstrate that the coupling can be strongly tuned by the lateral size of nanoplatelets, while, due to the weak lateral confinement, the transition energies are only altered by tens of meV. Our analysis shows that an increase in the lateral platelet area results in a strong decrease in the phonon coupling to acoustic modes due to deformation potential interaction, yielding an exciton deformation potential of 3. Read More

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http://dx.doi.org/10.1039/c8nr09458fDOI Listing
February 2019

Monitoring solvent dynamics and ion associations in the formation of cubic octamer polyanion in tetramethylammonium silicate solutions.

Phys Chem Chem Phys 2019 Feb 14. Epub 2019 Feb 14.

Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99354, USA.

NMR methods were utilized to monitor the in situ structural and dynamic changes of various species in highly alkaline tetramethylammonium (TMA) silicate solutions. Quantitative 29Si NMR, 1H, 2H, and 17O relaxation NMR, and 1H and 29Si diffusion NMR of silicates, TMA, H2O and D2O demonstrate that the growth of the cubic octamer Q38 is accompanied by reduced water mobility and increasing TMA coordination number per Q38, which reaches an equilibrium value of 4.5 at 15 °C. Read More

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http://dx.doi.org/10.1039/c8cp07521bDOI Listing
February 2019

Negative thermal expansion in cubic FeFe(CN) Prussian blue analogues.

Dalton Trans 2019 Feb 14. Epub 2019 Feb 14.

Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing 100083, China. and Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China.

Negative thermal expansion (NTE) behavior is an interesting physical phenomenon, but the number of NTE materials is limited. In this study, a new NTE compound has been found, FeFe(CN)6 Prussian blue analogue, where the average linear coefficient of thermal expansion (αl) is -4.260 × 10-6 K-1 between 100 and 450 K. Read More

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http://dx.doi.org/10.1039/c8dt05111aDOI Listing
February 2019

Nephrocalcinosis in adolescent girl with medullary sponge kidney and mild hemihypertrophy: A case report.

Medicine (Baltimore) 2019 Feb;98(7):e14529

Department of Pediatric Nephrology.

Rationale: Medullary sponge kidney (MSK) is a rare congenital abnormality characterized by cystic dilatation of the medullary collecting tubules. The disorder is likely to be complicated by nephrocalcinosis, urolithiasis, tubular dysfunctions, and urinary tract infections. In addition, it may be rarely associated with extrarenal anomalies. Read More

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http://dx.doi.org/10.1097/MD.0000000000014529DOI Listing
February 2019

Body posture and physical activity in children diagnosed with asthma and allergies symptoms: A report from randomized observational studies.

Medicine (Baltimore) 2019 Feb;98(7):e14449

School of Health Sciences in Katowice, Department of Adapted Physical Activity and Sport.

Asthma and body posture abnormalities in children and young people are major epidemiological problems worldwide. Asthma among children and adolescents, its relations with physical activity (PA) and PA relations with body posture were and are still being investigated.The aim of this study was to investigate how body posture is shaped in children diagnosed with asthma symptoms and whether body posture is associated with PA. Read More

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http://dx.doi.org/10.1097/MD.0000000000014449DOI Listing
February 2019

Effect of segmental muscle vibration on upper extremity functional ability poststroke: A randomized controlled trial.

Medicine (Baltimore) 2019 Feb;98(7):e14444

Department of Medicine Systems, University of Rome, "Tor Vergata".

Background: Upper extremity functional impairments are common consequences of stroke. Therefore, continuous investigation of effective interventions for upper extremity functions after stroke is a necessity. Segmental muscle vibration (SMV) is one of the interventions that incorporate sensory stimulation to improve motor cortical excitability. Read More

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http://dx.doi.org/10.1097/MD.0000000000014444DOI Listing
February 2019

Gouty spondylodiscitis with lumbar vertebral body retrolisthesis: A case report.

Medicine (Baltimore) 2019 Feb;98(7):e14415

Orthopaedics Surgery Department, China-Japan Union Hospital of Jilin University, Changchun, Jilin Province, China.

Rationale: Gout occurs mainly in joints, but rarely in the spine. In the spine, urate crystals can cause intervertebral space instability but rarely lead to retrolisthesis. Here, we present an extremely rare disease with gout invaded the intervertebral disc with lumbar retrolisthesis. Read More

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http://dx.doi.org/10.1097/MD.0000000000014415DOI Listing
February 2019

Kawasaki disease complicating bilateral facial nerve palsy and giant coronary artery aneurysms: A case report.

Medicine (Baltimore) 2019 Feb;98(7):e14395

The First Hospital of Jilin University, Changchun.

Rationale: Kawasaki disease (KD), which is also known as mucocutaneous lymphnode syndrome, is a vasculitic disease and involves multi-system disorder with various clinical manifestations. KD is specific predilection for the coronary arteries and is the most common cause of childhood-acquired heart disease in developed countries. KD is rarely complicated by cranial nerve VII palsy. Read More

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http://dx.doi.org/10.1097/MD.0000000000014395DOI Listing
February 2019
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