Publications by authors named "R J O Barnard"

Background: Uniform manifold approximation and projection (UMAP) is a technique for dimension reduction and visualization of high-dimensional (HD) data. Here, we apply UMAP to represent in two dimensions, data from members of the Wake Forest School of Medicine Alzheimer's Disease Research Center (WFUSM-ADRC) clinical cohort.

Methods: We examined baseline data from 542 WFUSM-ADRC participants with mean age 70.

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Background: Stroke survivors with aphasia want to improve their everyday talking (discourse). In current UK practice, 90% of speech and language therapists believe discourse assessment and treatment is part of their role but are hampered by barriers in resources, time and expertise. There is a clinical need for well-articulated discourse assessment and treatments.

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Metabolic dysfunction-associated steatohepatitis (MASH) is the most prevalent cause of liver disease worldwide, with a single approved therapeutic. Previous research has shown that interleukin-22 (IL-22) can suppress β-cell stress, reduce local islet inflammation, restore appropriate insulin production, reverse hyperglycemia, and ameliorate insulin resistance in preclinical models of diabetes. In clinical trials long-acting forms of IL-22 have led to increased proliferation in the skin and intestine, where the IL-22RA1 receptor is highly expressed.

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High quality primary care is a foundational element of effective health services. Internationally, primary care physicians (general practitioners (GPs), family doctors) are experiencing significant workload pressures. How non-patient-facing work contributes to these pressures and what constitutes this work is poorly understood and often unrecognised and undervalued by patients, policy makers, and even clinicians engaged in it.

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Introduction: The course of depressive symptoms and dementia risk is unclear, as are potential structural neuropathological common causes.

Methods: Utilizing joint latent class mixture models, we identified longitudinal trajectories of annually assessed depressive symptoms and dementia risk over 21 years in 957 older women (baseline age 72.7 years old) from the Women's Health Initiative Memory Study.

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