158 research outputs found
Changing Schools of Education and the EdD Programs to Produce Impactful Practitioners Lynn University, 2015 Past… Present… and Future
Nutrition in Medical Education: Where do we stand and what needs to be explored?
Introduction:
Dietary interventions and nutrition care improve patient outcomes and reduce healthcare costs. Despite status as a necessary topic in medical school education, many U.S. medical schools do not adequately prepare future physicians for everyday nutritional challenges in clinical practice. There is immense research behind the necessity of nutrition education but little concerning the methods of implementing this change. The purpose of this work was to review the current innovations of nutrition curriculum in the literature and discuss future directions for our medical school.
Method:
A systematic search of scientific literature databases was performed to examine existing literature about the current state of nutrition curriculum and identify current methods of improving nutrition curriculum. A database search of the undergraduate GW SMHS curricula helped us map where nutrition is currently taught and look into ways to expand and integrate it.
Results:
Shortcomings in sufficient nutrition education result from lack of proficient faculty, low funding, and lack of established core curricula with guidelines and protocols. Additionally, international medical schools have recognized their deficiency in nutrition education compared to U.S. standards. U.S. institutions making headway in new nutrition education programs include The University of North Carolina, Chapel Hill, Boston University School of Medicine, Southern Illinois School of Medicine, University of Nevada School of Medicine, Northwestern University Feinberg School of Medicine, University of Colorado School of Medicine, Mercer University School of Medicine, and various institutions introducing “culinary medicine”. Successful nutrition integration should be spread longitudinally across all years with an emphasis on active-learning techniques over rote memorization. Creativity, chief support, an established taskforce, trained faculty, and evaluation methods are essential tools to enhance medical curriculum. Looking at GW SMHS curricula, nutrition is concentrated in the Pre-Clinical years with very little emphasis in the Clinical years, a common trend across most medical schools. Medical students may be more confident incorporating nutrition into patient care if nutrition were spread proportionally across all years to combine basic foundations with clinical application.
Conclusion:
Expanding nutrition curriculum at The George Washington University School of Medicine could involve utilizing the Nutrition in Medicine project developed by The University of North Carolina, Chapel Hill or bringing in internationally renowned chef José Andrés to expand on his previous culinary courses and incorporate nutrition fundamentals into the medical curriculum. Future directions need to evaluate existing programs, current initiatives, and their effectiveness in order to be able to improve programs across the continuum
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Evaluating land-use and private forest management responses to a potential forest carbon offset sales program in western Oregon (USA)
We describe the use of linked land-use and forest sector models to simulate the effects of carbon offset sales on private forest owners' land-use and forest management decisions in western Oregon (USA). Our work focuses on forest management decisions rather than afforestation, allows full forest sector price adjustment to land-use changes, and incorporates time-dependent costs and restrictions of offset programs. The land-use model utilizes structure count data on some 21,000 plots spanning 30 years. The intertemporal optimizing forest sector model employs mill-level demand and FIA plot-level inventory. Our linked simulation modeling projects that an offset sales program could reduce forest land loss to development in western Oregon by about 4700 acres over the 2010-2060 simulation period for each 10 per tonne CO₂, regional private carbon stocks would be roughly stabilized at current levels over the period to 2060. Rotations would lengthen on enrolled lands, as expected, but use of planting, thinning and uneven-aged management would decline.Keywords: Climate change, Silviculture, Carbon markets, Carbon storage, Forest land developmen
COVID-19 Impact on Behaviors across the 24-Hour Day in Children and Adolescents: Physical Activity, Sedentary Behavior, and Sleep
In the wake of the COVID-19 pandemic, social restrictions to contain the spread of the virus have disrupted behaviors across the 24-h day including physical activity, sedentary behavior, and sleep among children (5–12 years old) and adolescents (13–17 years old). Preliminary evidence reports significant decreases in physical activity, increases in sedentary behavior, and disrupted sleep schedules/sleep quality in children and adolescents. This commentary discusses the impact of COVID-19-related restrictions on behaviors across the 24-h day in children and adolescents. Furthermore, we suggest recommendations through the lens of a socio-ecological model to provide strategies for lasting behavior change to insure the health and well-being of children and adolescents during the COVID-19 pandemic
Transformative Education and its Potential for Changing the Lives of Children in Disempowering Contexts
For millions of children around the world, disempowerment is not just a part of life – it becomes their life, to the point where any alternative way of living may be unimaginable to them. Intergenerational transmission (IGT) of inequality is deeply embedded, even where education is available; this leads us to question whether many forms of education, experienced by children who are already disempowered, may further entrench that condition by reproducing the norms, values and drivers within society that have brought about this disempowerment in the first place. In this article we explore the extent to which access to good?quality, transformative education has a key role to play in overcoming IGT of marginalised children and their communities, with positive outcomes not only for the individuals themselves but also for wider social processes
Long astral microtubules uncouple mitotic spindles from the cytokinetic furrow
Depletion of MCAK, which lengthens astral microtubules, induces oscillations of the mitotic spindle, and displaces the plane of cell division
Risperidone Treatment of Autistic Disorder: Longer-Term Benefits and Blinded Discontinuation After 6 Months
Objective: Risperidone is effective for short-term treatment of aggression, temper outbursts, and self-injurious behavior in children with autism. Because these behaviors may be chronic, there is a need to establish the efficacy and safety of longer-term treatment with this agent.
Method: The authors conducted a multisite, two-part study of risperidone in children ages 5 to 17 years with autism accompanied by severe tantrums, aggression, and/or self-injurious behavior who showed a positive response in an earlier 8-week trial. Part I consisted of 4-month open-label treatment with risperidone, starting at the established optimal dose; part II was an 8-week randomized, double-blind, placebo-substitution study of risperidone withdrawal. Primary outcome measures were the Aberrant Behavior Checklist irritability subscale and the Clinical Global Impression improvement scale.
Results: Part I included 63 children. The mean risperidone dose was 1.96 mg/day at entry and remained stable over 16 weeks of open treatment. The change on the Aberrant Behavior Checklist irritability subscale was small and clinically insignificant. Reasons for discontinuation of part I included loss of efficacy (N=5) and adverse effects (N=1). The subjects gained an average of 5.1 kg. Part II included 32 patients. The relapse rates were 62.5% for gradual placebo substitution and 12.5% for continued
risperidone; this difference was statistically significant.
Conclusions: Risperidone showed persistent efficacy and good tolerability for intermediate-length treatment of children with autism characterized by tantrums, aggression, and/or self-injurious behavior. Discontinuation after 6 months was associated with a rapid return of disruptive and aggressive behavior in most subjects
RNA Silencing of Mcl-1 Enhances ABT-737-Mediated Apoptosis in Melanoma: Role for a Caspase-8-Dependent Pathway
BACKGROUND: Malignant melanoma is resistant to almost all conventional forms of chemotherapy. Recent evidence suggests that anti-apoptotic proteins of the Bcl-2 family are overexpressed in melanoma and may contribute to melanoma's striking resistance to apoptosis. ABT-737, a small-molecule inhibitor of Bcl-2, Bcl-xl and Bcl-w, has demonstrated efficacy in several forms of leukemia, lymphoma as well as solid tumors. However, overexpression of Mcl-1, a frequent observance in melanoma, is known to confer ABT-737 resistance. METHODOLOGY/PRINCIPAL FINDINGS: Here we report that knockdown of Mcl-1 greatly reduces cell viability in combination with ABT-737 in six different melanoma cell lines. We demonstrate that the cytotoxic effect of this combination treatment is due to apoptotic cell death involving not only caspase-9 activation but also activation of caspase-8, caspase-10 and Bid, which are normally associated with the extrinsic pathway of apoptosis. Caspase-8 (and caspase-10) activation is abrogated by inhibition of caspase-9 but not by inhibitors of the death receptor pathways. Furthermore, while caspase-8/-10 activity is required for the full induction of cell death with treatment, the death receptor pathways are not. Finally, we demonstrate that basal levels of caspase-8 and Bid correlate with treatment sensitivity. CONCLUSIONS/SIGNIFICANCE: Our findings suggest that the combination of ABT-737 and Mcl-1 knockdown represents a promising, new treatment strategy for malignant melanoma. We also report a death receptor-independent role for extrinsic pathway proteins in treatment response and suggest that caspase-8 and Bid may represent potential markers of treatment sensitivity
Genomic analyses in Cornelia de Lange Syndrome and related diagnoses: Novel candidate genes, <scp>genotype–phenotype</scp> correlations and common mechanisms
Cornelia de Lange Syndrome (CdLS) is a rare, dominantly inherited multisystem developmental disorder characterized by highly variable manifestations of growth and developmental delays, upper limb involvement, hypertrichosis, cardiac, gastrointestinal, craniofacial, and other systemic features. Pathogenic variants in genes encoding cohesin complex structural subunits and regulatory proteins (NIPBL, SMC1A, SMC3, HDAC8, and RAD21) are the major pathogenic contributors to CdLS. Heterozygous or hemizygous variants in the genes encoding these five proteins have been found to be contributory to CdLS, with variants in NIPBL accounting for the majority (>60%) of cases, and the only gene identified to date that results in the severe or classic form of CdLS when mutated. Pathogenic variants in cohesin genes other than NIPBL tend to result in a less severe phenotype. Causative variants in additional genes, such as ANKRD11, EP300, AFF4, TAF1, and BRD4, can cause a CdLS‐like phenotype. The common role that these genes, and others, play as critical regulators of developmental transcriptional control has led to the conditions they cause being referred to as disorders of transcriptional regulation (or “DTRs”). Here, we report the results of a comprehensive molecular analysis in a cohort of 716 probands with typical and atypical CdLS in order to delineate the genetic contribution of causative variants in cohesin complex genes as well as novel candidate genes, genotype–phenotype correlations, and the utility of genome sequencing in understanding the mutational landscape in this population
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