Publications by authors named "O'Keefe L"

Nutritional intake during pregnancy can affect gestational length, fetal development, and impact postnatal growth and health in offspring. Perturbations in maternal nutrition with either an excess or deficiency in nutrients during pregnancy may have harmful effects on the offspring's development and increase the risk of developing chronic diseases later in life. In pregnancy, nutrients transfer from the mother to the fetus via the placenta.

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Purpose: Although many integrative therapies exist, studies increasingly demonstrate yoga can help change the negative neuroplastic effects experienced by people living with chronic pain. Despite encouraging findings, a gap exists in accessible yoga programs designed to meet the individual needs of those experiencing limitations from chronic pain. This study evaluated a yoga program designed for people living with chronic pain delivered in a health care setting.

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Sanfilippo syndrome (Mucopolysaccharidosis type III or MPS III) is a recessively inherited neurodegenerative lysosomal storage disorder. Mutations in genes encoding enzymes in the heparan sulphate degradation pathway lead to the accumulation of partially degraded heparan sulphate, resulting ultimately in the development of neurological deficits. Mutations in the gene encoding the membrane protein heparan-α-glucosaminide N-acetyltransferase (HGSNAT; EC2.

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Article Synopsis
  • * A review of 221 melanocytic lesions shows that PRAME is 77% sensitive and 100% specific for identifying in situ and malignant melanomas, with almost all high-cumulative sun damaged melanomas testing positive.
  • * The findings suggest that PRAME is a reliable diagnostic tool, especially for challenging cases like acral lentiginous melanoma and in situations involving severely atypical nevi.
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Background Prior studies have indicated high rates of vascular risk factors, but little is known about stroke in Hmong. Methods and Results The institutional Get With The Guidelines (GWTG) database was used to identify patients discharged with acute ischemic stroke, intracerebral hemorrhage, or subarachnoid hemorrhage between 2010 and 2019. Hmong patients were identified using clan names and primary language.

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Diet-induced obesity (DIO) is a contributor to co-morbidities, resulting in alterations in hormones, lipids, and low-grade inflammation, with the cannabinoid type 2 receptor (CB) contributing to the inflammatory response. The effects of modulating CB with pharmacological treatments on inflammation and adaptations to the obese state are not known. Therefore, we aimed to investigate the molecular mechanisms in adipose tissue of CB agonism and CB antagonism treatment in a DIO model.

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Article Synopsis
  • - A patient with elevated liver enzymes and a rash was initially suspected to have Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) syndrome after using amoxicillin, but histological analysis showed a different diagnosis.
  • - Further diagnostic tests revealed that the patient had a primary Epstein-Barr Virus (EBV) infection, which accounted for her liver issues, while her eosinophilia might have been linked to an allergic reaction to surgical tape.
  • - This case highlights the need for thorough diagnostic testing and maintaining a broad differential diagnosis, even when a condition seems to fit specific clinical criteria.
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The relationship between exposure to toxins at work and lung diseases continues to be significantly under-recognised in Australia. Medical practitioners are well placed to identify occupational risk factors for disease. They can therefore play a vital role in informing regulatory responses, highlighting dangerous workplaces and supporting access to compensation to assist with better health outcomes for their patients.

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Diet-induced obesity (DIO) reduces fatty acid oxidation in skeletal muscle and decreases circulating levels of adiponectin. Endocannabinoid signaling is overactive in obesity, with some effects abated by antagonism of cannabinoid receptor 1 (CB). This research aimed to determine if treatment with the global CB antagonist/inverse agonist, AM251, in high-fat diet (HFD) fed rats influenced adiponectin signaling in skeletal muscle and a "browning" of white adipose tissue (WAT) defined by UCP1 expression levels.

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Background: The inappropriate use of lumbar spine imaging remains common in primary care despite recommendations from evidence-based clinical practice guidelines to avoid imaging in the absence of red flags. This study aimed to explore factors influencing ordering behaviours and adherence to radiographic guidelines for low back pain (LBP) in chiropractors in Newfoundland and Labrador (NL), Canada.

Methods: We conducted two focus groups in December 2018 with chiropractors in different regions of NL (eastern, n = 8; western, n = 4).

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Background: Although studies suggest that cancer survivors face workplace obstacles, to date there has been little empirical research regarding the personal and environmental factors that can help cancer survivors adjust to work. The purpose of this study was to examine how working survivors' resilience and job meaningfulness were related to their well-being outcomes, including lower cancer-related intrusive thoughts, fatigue, and presenteeism.

Methods: We recruited 200 full-time employed cancer survivors from online participant panels using Qualtrics.

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Importance: The US Preventive Services Task Force (USPSTF) is updating its 2016 recommendation on the use of aspirin for the primary prevention of cardiovascular disease (CVD) and colorectal cancer (CRC).

Objective: To provide updated model-based estimates of the net balance in benefits and harms from routine use of low-dose aspirin for primary prevention.

Design, Setting, And Participants: Microsimulation modeling was used to estimate long-term benefits and harms for hypothetical US cohorts of men and women aged 40 to 79 years with up to 20% 10-year risk for an atherosclerotic CVD event and without prior history of CVD or elevated bleeding risks.

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Article Synopsis
  • Ischemic stroke initiates complex biological responses involving autophagy, which may vary between male and female neurons after stressors like nutrient deprivation.
  • Inhibiting autophagy reduced brain damage in male mice and ovariectomized females, but increased damage in females and those given estrogen.
  • The study found that male neurons showed different patterns of autophagy markers compared to female neurons, suggesting that autophagy responses in the brain after ischemic stroke are influenced by sex.
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Evidence supporting the use of antibiotic stewardship programs (ASP) is growing in a variety of healthcare settings for its association with improved patient outcomes, decreased resistance, and improved healthcare costs. There have been few studies supporting this evidence in long-term care facilities. This project involved a program evaluation of a long-term care facility's ASP for urinary tract infection (UTI) management.

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It is now more than 20 years since the common chromosomal fragile site was characterised and the gene spanning this site was identified. In this time, much information has been discovered about its contribution to disease; however, the normal biological role of is not yet clear. Experiments leading to the identification of the gene are recounted, revealing enigmatic relationships between the fragile site, its gene and the encoded protein.

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Attention Deficit Hyperactivity Disorder (ADHD) is the most common chronic neurobehavioral disorder of childhood. Research suggests increased parent-child conflict exists in families with an ADHD child. The evidence indicates links between child behavior problems and parenting practices.

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Background: Research criteria for prodromal dementia with Lewy bodies (DLB) were published in 2020, but little is known regarding prodromal DLB in clinical settings.

Methods: We identified non-demented participants without neurodegenerative disease from the National Alzheimer's Coordinating Center Uniform Data Set who converted to DLB at a subsequent visit. Prevalence of neuropsychiatric and motor symptoms were examined up to 5 years prior to DLB diagnosis.

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Background: Intranasal insulin is a potential treatment for neurodegenerative disease shown to increase cerebral glucose uptake, reduce amyloid plaques, and improve verbal memory in cognitively impaired as well as healthy adults. Investigations have suggested rapid-acting insulins such as glulisine may result in superior cognitive benefits compared with regular insulin.

Objective: The aim of this study was to evaluate the safety and efficacy of rapid-acting intranasal glulisine in subjects with amnestic mild cognitive impairment (MCI) or mild probable Alzheimer's disease (AD).

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Background: Low back pain (LBP) rarely requires routine imaging of the lumbar spine in the primary care setting, as serious spinal pathology is rare. Despite evidence-based clinical practice guidelines recommending delaying imaging in the absence of red flags, chiropractors commonly order imaging outside of these guidelines. The purpose of this study was to survey chiropractors to determine the level of knowledge, adherence to, and beliefs about, clinical practice guidelines related to the use of lumbar radiography for LBP in Newfoundland and Labrador (NL), Canada.

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Twelve evidence-based profiles of roles across the translational workforce and two patients were made available through clinical and translational science (CTS) Personas, a project of the Clinical and Translational Science Awards (CTSA) Program National Center for Data to Health (CD2H). The persona profiles were designed and researched to demonstrate the key responsibilities, motivators, goals, software use, pain points, and professional development needs of those working across the spectrum of translation, from basic science to clinical research to public health. The project's goal was to provide reliable documents that could be used to inform CTSA software development projects, educational resources, and communication initiatives.

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O-1602 and O-1918 are atypical cannabinoid ligands for GPR55 and GPR18, which may be novel pharmaceuticals for the treatment of obesity by targeting energy homeostasis regulation in skeletal muscle. This study aimed to determine the effect of O-1602 or O-1918 on markers of oxidative capacity and fatty acid metabolism in the skeletal muscle. Diet-induced obese (DIO) male Sprague Dawley rats were administered a daily intraperitoneal injection of O-1602, O-1918 or vehicle for 6 weeks.

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