Publications by authors named "Nelson L"

Genetic characterization including Southern blot analysis of recombinant Chinese hamster ovary (CHO) cell lines expressing biologics is an essential prerequisite for regulatory submissions. The transposon-based expression system for CHO cell lines enables the insertion of DNA sequences into the genome and has been widely used by the biopharmaceutical industry. The system yields clones that are both highly productive and genetically stable.

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Introduction: Consensus guidelines for out-of-hospital assessment and triage of paracetamol (acetaminophen) exposure were published in 2006. Changes in the healthcare system, paracetamol ingestion trends, and availability of paracetamol-containing products necessitate an update to these guidelines. Updated guidelines were created for out-of-hospital management of paracetamol exposure in the United States and Canada.

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Background: Limited available data indicate that dementia prevalence rates among Aboriginal and Torres Strait Islander (hereafter Aboriginal) peoples are 3-5 times higher than the overall Australian population. Effective, pragmatic and scalable interventions are urgently required to address this disproportionate burden of dementia in Aboriginal populations.

Methods: Kaat Koort is a pragmatic two-arm parallel-group randomized controlled trial which will recruit a sample of 354 participants from two Aboriginal community-controlled health services in the south-west of Western Australia.

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Background: Chronic sleep problems are commonly reported in American Indian (AI) peoples, however there is a lack of qualitative research examining the behavioral, psychological, sociocultural, and economic factors surrounding sleep health among AI peoples. This study aims to remedy that oversight by providing qualitative data on AI peoples sleep health.

Objectives: To explore the perceived barriers to and facilitators of healthy sleep in AI peoples and identify protective cultural factors associated with sleep for AI peoples.

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In the healthcare field, lung disease detection techniques based on deep learning (DL) are widely used. However, achieving high stability while maintaining privacy remains a challenge. To address this, this research employs Federated Learning (FL), enabling doctors to train models without sharing patient data with unauthorized parties, preserving privacy in local models.

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Purpose: Single passive limb movement (sPLM) of the lower extremity is a simple and clinically relevant measure of the microvascular vasodilatory response to movement. A promising stimulus to improve microvascular health is ischemic conditioning (IC). We examined whether a single session of IC could improve microvascular reactivity to sPLM in young adults.

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Kinase inhibitors are small-molecule drugs designed to target oncogenic mutations in cancer treatment. Although less toxic than conventional chemotherapy drugs, they can cause severe adverse effects in some patients, resulting in dose reduction and cessation. To evaluate if therapeutic drug monitoring of kinase inhibitors and their metabolites can improve toxicity assessment in patients, we developed and evaluated the analytical performance of two parallel methods utilizing liquid chromatography (LC) and paper spray (PS) ionization coupled with a triple quadrupole mass spectrometer (MS) for the measurement of dabrafenib, its major metabolite OH-dabrafenib, and trametinib in patient plasma samples.

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Background: Acute intoxication is common in patients evaluated for traumatic brain injury (TBI). However, the effect of elevated blood alcohol levels (BALs) on the diagnostic accuracy of FDA-cleared biomarkers for evaluating traumatic intracranial injury on computed tomography (CT) scan, namely, glial fibrillary acidic protein (GFAP) and ubiquitin carboxy-terminal hydrolase L1 (UCH-L1), has not been well studied.

Methods: We investigated the effect of significantly elevated (>300 mg/dL) and modestly elevated BAL (81-300 mg/dL) at emergency department presentation on the diagnostic accuracy of GFAP and UCH-L1 for predicting a positive CT in patients presenting to 18 U.

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Background: Propofol is commonly used for pediatric MRIs to minimize patient movement. At our institution, intensivists typically administer a prophylactic 20 ml/kg saline bolus to maintain blood pressure (BP) during propofol sedation. This quality improvement project assessed whether a 10 ml/kg and a completely eliminated saline bolus are as effective as the standard 20 ml/kg bolus in completing pediatric propofol sedation and maintaining Mean Arterial Pressure (MAP).

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Objective: To review the efficacy of iloperidone for mania associated with bipolar I disorder and discuss its safety profile (eg, QTc prolongation, orthostatic hypotension, and metabolic adverse effects).

Data Sources: Literature was identified using PubMed (1966-September 2024), OVID (1984-November 2024), and clinicaltrials.gov.

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Objective: Both opioid misuse and overdose mortality have disproportionately impacted the American Indian population. Although medications for opioid use disorder, such as buprenorphine (BUP-NX), are highly effective in reducing overdose mortality, questions have been raised about the cultural acceptability of Western medical approaches in this population. Understanding patients' desired recovery pathways can lead to more culturally appropriate, patient-centered, and effective approaches to opioid use disorder (OUD) treatment.

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State and local health departments were responsible for ensuring equitable distribution of the COVID-19 vaccine. This qualitative study aimed to identify the challenges, strategies, disappointments, and successes in achieving equity for hard-to-reach and at-risk populations. Using a purposive sampling strategy, 16 individuals affiliated with health departments across nine states, each holding leadership roles in vaccine distribution, were interviewed between late 2021 and mid-2022.

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Introduction: We assessed the risk of adverse pregnancy and birth outcomes and birth defects among women living with HIV (WLHIV) on antiretroviral therapy (ART) and HIV-negative women.

Methods: We analyzed data on live births, stillbirths, and spontaneous abortions during 2015-2021 from a hospital-based birth defects surveillance system in Kampala, Uganda. ART regimens were recorded from hospital records and maternal self-reports.

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Aim(s): This discursive article aims to examine how systemic factors (both) reproduce the structure of settler colonialism and influence health outcomes among Indigenous peoples in the United States through settler colonial determinants of Indigenous health (SCDoIH).

Design: Discursive paper.

Methods: This discursive paper demonstrates how settler colonialism and health relate to each other within a nursing context.

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From September 2023 to March 2024 a field trial on a live manual demining site was conducted to test a new and innovative approach for the collection and analysis of operational data. The approach, titled the Clearance Data Model, involved the collection of sixty-six data attributes for each mine found. For the first time the mine itself would become the accountable unit of demining data, against which an expanded range of relevant attributes particular to that specific mine would be recorded.

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In the initial wave of the opioid crisis, uninformed prescribing practices and lax oversight were the drivers of opioid addiction and death. Although opioid prescriptions have decreased by 44.4 percent between 2011-2020, the number of deaths linked to prescription opioids has decreased only marginally.

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Background: Observationally, family and social support are important for optimal diabetes self-management; however, interventions targeting family/social support have not consistently been effective. A novel, diabetes-specific family functioning typology offers the opportunity to classify types of baseline family functioning to determine for whom family interventions may be effective.

Purpose: We examined the effects of an intervention by baseline type of family functioning post hoc, to inform differential benefit from interventions.

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Objective: Pediatric obesity is associated with insulin resistance, which, in turn, impacts glucose and lipid metabolism. This study sought to assess how glucose variability relates to intrahepatic fat content, β cell insulin sensitivity, and glycolysis in youth with obesity.

Methods: A total of 27 youth with obesity (11 girls, BMI percentile, median [25th-75th percentiles]: 99.

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Article Synopsis
  • - The ABC transporter gene family produces proteins that create channels in cell membranes and utilize ATP to transport substances across cells, playing a key role in processes like toxin removal and drug resistance in cancer stem cells.
  • - In this study, researchers explored the expression of ABC transporters within the Drosophila testis and identified six transporters that showed tissue-specific expression patterns, but not exclusively in stem cells as initially expected.
  • - A comparison between the expression data from their own tests and the Fly Cell Atlas revealed a weak correlation, emphasizing the importance of using multiple techniques when studying gene expression.
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Article Synopsis
  • There is a significant challenge in accurately diagnosing asthma in primary care, leading to frequent misdiagnosis, which prompted the development of a Clinical Decision Support System (CDSS) aimed at helping in this area for young patients aged 5-25.
  • The study conducted in England and Scotland involved 10 general practices, with 75 out of 94 clinicians using the CDSS over six months, and qualitative interviews revealed that clinicians found it user-friendly and helpful in auto-populating patient information.
  • While the CDSS was generally well-received, some limitations were noted, such as the inability to directly record findings into patient notes and a perception that it would be more beneficial for trainees than
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Background: Memory and learning deficits are among the most impactful and longest-lasting symptoms experienced by people with chronic traumatic brain injury (TBI). Despite the persistence of post-TBI memory deficits and their implications for community reintegration, memory rehabilitation is restricted to short-term care within structured therapy sessions. Technology shows promise to extend memory rehabilitation into daily life and to increase the number and contextual diversity of learning opportunities.

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