Publication date: Available online 17 February 2018
Source:Gene Expression Patterns
Author(s): Franziska A. Seigfried, Petra Dietmann, Michael Kühl, Susanne J. Kühl
The adhesion G protein-coupled receptor A2 (Adgra2) is a seven transmembrane receptor that has been described to be a regulator for angiogenesis in mice. Furthermore, the zebrafish ouchless mutant is unable to develop dorsal root ganglia through a disrupted trafficking of Adgra2. Besides RNA sequencing data, nothing is reported about Adgra2 in the south African crawled frog Xenopus laevis.In this study, we investigated for the first time the spatio-temporal expression of adgra2 during early Xenopus embryogenesis in detail. In silico approaches showed that the genomic adgra2 region as well as the Adgra2 protein sequence is highly conserved among different species including Xenopus. RT-PCR experiments confirmed that embryonic adgra2 expression is primarily detected at the beginning of neurulation and is then present throughout the whole Xenopus embryogenesis until stage 42. Whole mount in situ hybridization approaches visualized adgra2 expression in many tissues during Xenopus embryogenesis such as the cardiovascular system including the heart, the migrating neural crest cells and the developing eye including the periocular mesenchyme. Our results indicate a role of Adgra2 for embryogenesis and are a good starting point for further functional studies during early vertebrate development.
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Σάββατο 17 Φεβρουαρίου 2018
Expression of the adhesion G protein-coupled receptor A2 (adgra2) during Xenopus laevis development
The paleoecology of Pleistocene birds from Middle Bed II, at Olduvai Gorge, Tanzania, and the environmental context of the Oldowan-Acheulean transition
Publication date: Available online 17 February 2018
Source:Journal of Human Evolution
Author(s): Kari A. Prassack, Michael C. Pante, Jackson K. Njau, Ignacio de la Torre
Fossil bird data (community composition and taphonomic profiles) are used here to infer the environmental context of the Oldowan-Acheulean transitional period at Olduvai Gorge, Tanzania. This is the first comprehensive report on the Middle Bed II avifauna and includes fossils excavated by the Olduvai Geochronology and Archaeology Project (OGAP) and recently rediscovered fossils collected by Mary Leakey. Crane, ibis, darter, owl, raptor, crow, and vulture are reported from Bed II for the first time. The presence of these taxa, absent earlier in this Bed, point to a general opening and drying of the landscape with grassland and open woodland expansion. Taxa associated with dense, emergent wetland vegetation, such as dabbling ducks and rails, are uncommon and less diverse than earlier in Bed II. This suggests more mature wetlands with clearer waters. Cormorants continue to be common, but are less diverse. Cormorants and other roosting taxa provide evidence of trees in the area. Compared to lowermost Bed II, the Middle to Upper Bed II landscape is interpreted here as more open and drier (but not necessarily more arid), with matured wetlands, scattered trees, and a greater expansion of grasslands.
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Soft robotic devices for hand rehabilitation and assistance: a narrative review
The debilitating effects on hand function from a number of a neurologic disorders has given rise to the development of rehabilitative robotic devices aimed at restoring hand function in these patients. To comb...
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Detection of acute and long-term effects of concussion: dual-task gait balance control vs. computerized neurocognitive test
Publication date: Available online 16 February 2018
Source:Archives of Physical Medicine and Rehabilitation
Author(s): David R. Howell, Louis R. Osternig, Li-Shan Chou
ObjectiveOur aim was to examine the acute (within 72 hours of injury) and long-term (2 months post-injury) independent associations between objective dual-task gait balance and neurocognitive measurements among adolescents and young adults with a concussion and matched controls.DesignLongitudinal case-controlSettingMotion analysis laboratoryParticipantsParticipants who sustained a concussion underwent a dual-task gait analysis and computerized neurocognitive testing within 72 hours of injury and again 2 months later. Uninjured controls also completed the same test protocol in similar time increments.InterventionsNot applicableMain Outcome MeasuresWe compared dual-task gait balance control and computerized neurocognitive test performance between groups using independent samples t-tests. Multivariable binary logistic regression models were then constructed for each testing time to determine the association between group membership (concussion vs. control), dual-task gait balance control, and neurocognitive function.ResultsNinety-five participants completed the study, 51 who sustained a concussion (mean age= 17.5±3.3 years; 71% male) and 44 controls (mean age= 17.7±2.9 years; 72% male). Medial-lateral center-of-mass displacement during dual-task gait was independently associated group membership at the initial test (adjusted odds ratio [aOR]= 2.432, 95% CI= 1.269-4.661) and 2 month follow-up test (aOR= 1.817, 95% CI= 1.014-3.256) tests. Visual memory composite scores were significantly associated with group membership at the initial hour post-injury time point (aOR= 0.953, 95% CI= 0.833-0.998). However, the combination of computerized neurocognitive test variables did not predict dual-task gait balance control for concussion participants, and no single neurocognitive variable was associated with dual-task gait balance control at either testing time.ConclusionsDual-task assessments concurrently evaluating gait and cognitive performance may allow for the detection of persistent deficits beyond those detected by computerized neurocognitive deficits alone.
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Home-based neuromuscular electrical stimulation as an add-on to pulmonary rehabilitation does not provide further benefits in patients with chronic obstructive pulmonary disease: A multicenter randomized trial
Publication date: Available online 16 February 2018
Source:Archives of Physical Medicine and Rehabilitation
Author(s): Tristan Bonnevie, Francis-Edouard Gravier, David Debeaumont, Catherine Viacroze, Jean-François Muir, Antoine Cuvelier, Marie Netchitaïlo, Anne Laure Roy, Jean Quieffin, Marie-Hélène Marques, Clément Médrinal, Johan Dupuis, Catherine Tardif
ObjectiveTo assess the additional effect of a home-based neuro muscular electrical stimulation (NMES) program as an add-on to pulmonary rehabilitation (PR), on functional capacity in subjects with chronic obstructive pulmonary disease (COPD).DesignSingle-blind, multicenter randomized trial.SettingThree PR centers.ParticipantsSubjects with severe to very severe COPD referred for PR (n=73; median FEV1, 1 (0.8-1.4) L). Twenty-two subjects discontinued the study but only one drop-out was related to the intervention (leg discomfort).InterventionSubjects were randomly assigned to either PR plus quadricipital home-based NMES (35Hz, 30min, five time per week) or PR without NMES for 8 weeks.Main outcome measureThe six-minute walk test was used to assess functional capacity.ResultsEighty-two percent of the scheduled NMES sessions were performed. In the whole sample, there were significant increases in the distance walked during the 6MWT (p<0.01), VO2peak (p=0.02), Wmax (p<0.01), mMRC (p<0.01) and SGRQ total score (p=0.01). There was no significant difference in the magnitude of change for any outcome between groups.ConclusionsHome-based NMES as an add-on to PR did not result in further improvements in subjects with severe to very severe COPD, moreover, it may have been a burden for some patients.
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Novel Interventions to Reduce Stress and Overeating in Overweight Pregnant Women: A Feasibility Study
Abstract
Background High stress and depression during pregnancy are risk factors for worsened health trajectories for both mother and offspring. This is also true for pre-pregnancy obesity and excessive gestational weight gain. Reducing stress and depression may be one path to prevent excessive caloric intake and gestational weight gain. Study Purpose We tested the feasibility of two novel interventions aimed at reducing stress and overeating during pregnancy. Reflecting different theoretical underpinnings, the interventions target different mechanisms. Mindful Moms Training (MMT) uses mindfulness to improve awareness and acceptance of experiences and promote conscious rather than automatic behavior choices. Emotional Brain Training (EBT) uses active coping to change perceptions of negative experience and promote positive affective states. Methods Forty-six overweight/obese low-income women were assigned to either MMT (n = 24) or EBT (n = 22) for an 8-week feasibility study. Pre-post changes in perceived stress, eating and presumed mechanisms were assessed. Results Women reported high levels of stress at baseline. Both interventions were well attended and demonstrated clinically significant pre-post reductions in stress, depressive symptoms, and improved eating behaviors. MMT significantly decreased experiential avoidance, whereas EBT significantly increased positive reappraisal; these changes were marginally significantly different by group. Conclusions This feasibility study found that both interventions promoted meaningful reductions in stress and depressive symptoms and improved reported eating behaviors in a high-risk group of pregnant women. Each intervention has a potentially different pathway—acceptance for MMT and reappraisal for EBT. Larger studies are needed to test efficacy on longer term reductions in stress and overeating.
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Effects of walking trainings on walking function among stroke survivors: a systematic review
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Best practice guidelines for the measurement of physical activity levels in stroke survivors: a secondary analysis of an observational study
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Measuring quality of life in individuals with Parkinson’s disease attending a self-help club: cross-sectional study in Hungary
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Developing operational items for the International Classification of Functioning, Disability and Health Rehabilitation Set: the experience from China
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Comparison of mobility and user satisfaction between a microprocessor knee and a standard prosthetic knee: a summary of seven single-subject trials
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The Italian version of the Outpatient Physical Therapy Improvement in Movement Assessment Log: cross-cultural adaptation and psychometric properties
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Correlation between the pain numeric rating scale and the 12-item WHO Disability Assessment Schedule 2.0 in patients with musculoskeletal pain
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Effects of modified constraint-induced movement therapy in the recovery of upper extremity function affected by a stroke: a single-blind randomized parallel trial-comparing group versus individual intervention
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Effects of integrating rhythmic arm swing into robot-assisted walking in patients with subacute stroke: a randomized controlled pilot study
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Alanine aminotransferase blood levels and rehabilitation outcome in older adults following hip fracture surgery
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Effects of rehabilitation aftercare on work participation in patients with musculoskeletal disorders: a propensity score-matched analysis
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Are rehabilitation outcomes after severe anoxic brain injury different from severe traumatic brain injury? A matched case–control study
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Examination of the reliability of Gait Assessment and Intervention Tool in patients with a stroke
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Prevalence and correlations between suicide attempt, depression, substance use, and functionality among patients with limb amputations
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Use of clinical measures to document the effect of passive cycling on knee extensor spasticity and the ability to perform activities of daily living in spinal cord injury: a case report
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Healthcare Experiences of Low-Income Women with Prior Gestational Diabetes
Abstract
Introduction An important yet understudied component of postpartum type 2 diabetes risk reduction among high risk women is experiences with the healthcare system. Our objective was to describe the healthcare experiences of a diverse, low-income sample of women with prior GDM, including their suggestions for improving care. Methods Focus groups were conducted among African American, Hispanic, and Appalachian women who were diagnosed with GDM within the past 10 years. Participants were recruited from community and medical resources. Twelve focus groups were conducted, four within each race-ethnic group. Results Three broad themes were identified around barriers to GDM care, management, and follow-up: (1) communication issues; (2) personal and environmental barriers; and (3) type and quality of healthcare. Many women felt communication with their provider could be improved, including more education on the severity of GDM, streamlining information to be less overwhelming, and providing additional support through referrals to community resources. Although women expressed interest in receiving more actionable advice for managing GDM during pregnancy and for preventing type 2 diabetes postpartum, few women reported changing behaviors. Barriers to behavior change were related to cost, transportation, and competing demands. Several opportunities for improved care were elucidated. Discussion Our findings suggest that across all racial and ethnic representations in our sample, low-income women with GDM experience similar communication, personal, and environmental barriers related to the healthcare they receive for their GDM. Considering the increased exposure to the health care system during a GDM-affected pregnancy, there are opportunities to address barriers among women with GDM across different race-ethnic groups.
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