Publications by authors named "Yeager A"

Purpose: This paper describes the data collection and management methods for the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy, a nested cohort of device-based physical activity and sedentary time data.

Participants: US-based CPS-3 participants (initially enrolled 2006-2013) who completed the 2018 follow-up survey and had a valid email address were invited to the Accelerometry Substudy (n=109 780). Among the 23 111 participants who registered and were shipped an ActiGraph GT3X+ accelerometer, 21 219 participants returned the device with a complete wear log (91.

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  • The human MRGPRD protein is part of a family of receptors that play a key role in detecting pain and itch, but it's not well-researched and has few known activating compounds.
  • The study identifies two new potent agonists, EP-2825 and EP-3945, that are about 100 times more effective than the previously known agonist, β-alanine.
  • The researchers also explored the structures of MRGPRD bound to these agonists, revealing unique binding interactions and flexibility in the receptor, which could help in creating new drugs targeting MRGPRD.
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  • Novel technologies like ecological momentary assessment (EMA) and wearable biosensors are being explored to improve psychological treatment outcomes, though their feasibility and reliability are still unclear.
  • * The study involved 20 adults with borderline personality disorder who participated in dialectical behavior therapy, utilizing EMA and biosensors to evaluate emotion regulation and emotional states over six months.
  • * Results indicated moderate participant engagement with EMA but no significant correlation between emotional states measured through EMA and electrodermal activity; smaller changes in negative affect were linked to higher suicidal thinking ratings over time.
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Optimizing the overall health of individuals prior to pregnancy can improve both pregnancy and lifelong health outcomes. Despite extremely high financial expenditure on birth in the United States, maternal and infant mortality rates continue to rise. Moreover, significant racial and ethnic disparities persist in perinatal health outcomes.

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Background: DNA polymerase theta (POLQ) is an enzyme that repairs double-strand DNA breaks. POLQ is overexpressed in several cancer types, and increased expression is associated with a poor prognosis. Ablating POLQ function in vitro increases drug sensitivity to agents that cause double-strand DNA breaks, including chemotherapies and ionizing radiation.

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Background: The Reducing Disability in Alzheimer's Disease in Kansas City (RDAD-KC) intervention has been shown to improve the health of individuals with dementia and caregiver dyads. This manuscript reports the results of implementing the RDAD among individuals with intellectual disabilities and caregiver dyads.

Methods: Nine community agencies deployed the 12-week intervention.

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There are 5.8 million Americans with Alzheimer's disease and this number is rising. Social Work can play a key role.

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  • The study aimed to assess the significance of increased signal hyperintensity in the proximal fibular collateral ligament (FCL) on knee MRI scans among a diverse group of patients, both with and without symptoms.
  • A retrospective analysis of 250 patients was conducted using 3-Tesla MRI, categorizing the signal intensity in the FCL and correlating it with clinical signs of injury, mainly lateral knee pain.
  • Findings indicated that while 74% of the MRIs showed increased signal in the FCL, less than 5% of these patients had clinical evidence of an injury, suggesting that this signal may not be indicative of a pathological condition in asymptomatic individuals.
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This randomized clinical trial aimed to determine feasibility, acceptability, and initial efficacy of brief Dialectical Behavior Therapy (DBT) skills videos in reducing psychological distress among college students during the COVID-19 pandemic. Over six weeks, 153 undergraduates at a large, public American university completed pre-assessment, intervention, and post-assessment periods. During the intervention, participants were randomized to receive animated DBT skills videos for 14 successive days (n = 99) or continue assessment (n = 54).

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  • The N-terminal domain of dynein intermediate chain (N-IC) is crucial for attaching various proteins to the cytoplasmic dynein complex and regulating its activity.
  • N-IC is characterized as an intrinsically disordered protein (IDP), primarily serving as a flexible scaffold for multiple binding partners, including the dynactin p150 and NudE proteins.
  • Research findings reveal that specific interactions between different regions of N-IC influence its binding dynamics, with alterations in structure when associating with NudE, ultimately affecting the functionality of the dynein motor.
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Ionising radiation impacts many organ systems, each of which comprises a level of immunity to infectious disease. Bone marrow toxicity after radiation results in a predisposition to leukopenia and subsequent susceptibility to bacterial, viral, and fungal infections. Radiation-induced damage to mucosal, integumentary, and solid organ structures disrupts additional lines of innate defense.

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Genetic screens provide a mechanism to identify genes involved with different cellular and organismal processes. Using a Flp/FRT screen in the eye we identified mutations that result in alterations and de-regulation of cell growth and division. From this screen a group of undergraduate researchers part of the Fly-CURE consortium mapped and characterized a new allele of the gene ,

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Background: College students' mental health may be disproportionally affected by the COVID-19 pandemic because of the abrupt shift off campus and subsequent loss of a social network and potential long-term impact on job prospects.

Objective: We sought to assess the nature of COVID-19's mental health impact among a sample of undergraduates who were experiencing the pandemic as it occurred in real time.

Methods: In total, 140 college students completed smartphone-based ecological momentary assessments of anxiety and optimism related to COVID-19 and other generic mental health variables 6 times daily.

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  • Advances in gene editing may allow us to modify the human germline to prevent genetic conditions in unborn children.
  • If effective, this could lead to clinical trials testing the technology in humans, necessitating careful observation of future generations with altered genes.
  • The paper discusses the ethical concerns of monitoring these generations but argues that these issues can be managed through thoughtful trial design.
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Replications of evidence-based dementia care receiver-caregiver dyad interventions in the community are scarce. We aimed to assess the effectiveness of the Kansas City implementation of Reducing Disability in Alzheimer's Disease (RDAD) among a convenience sample of dyads with moderate dementia, which addressed needs identified by nine participating community agencies. We hypothesized that dyads' mental health and physical activity outcomes would improve from baseline to end-of-treatment.

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We have used a non-myeloablative conditioning regimen for allogeneic hematopoietic cell transplantation for the past twenty years. During that period, changes in clinical practice have been aimed at reducing morbidity and mortality from infections, organ toxicity, and graft-versus-host disease. We hypothesized that improvements in clinical practice led to better transplantation outcomes over time.

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Background: Automatic stop orders (ASOs) for antimicrobials have been recommended as a component of antimicrobial stewardship programs, but may result in unintentional treatment interruption due to failure of providers to re-order an antimicrobial medication. We examined the impact of a multifaceted intervention designed to reduce the potential harms of interrupting antimicrobial treatment due to ASOs.

Methods: An intervention was implemented that included pharmacist review of expiring antimicrobials as well as provider education to encourage use of a long-term antimicrobial order set for commonly used prophylactic antimicrobials.

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Objective: To demonstrate how effectively aripiprazole can be utilized to manage antipsychotic-induced hyperprolactinemia.

Methods: The files of 3 female patients with a history of psychotic illness and hyperprolactinemia who were treated at a state hospital between February 2018 and May 2019 were retrospectively analyzed. All were found to have elevated prolactin levels and underwent treatment with aripiprazole in addition to their concomitant medications.

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Importance: The United States spends more than $12 billion annually on graduate medical education. Understanding how residents balance patient care and educational activities may provide insights into how the modern physician workforce is being trained.

Objective: To describe how first-year internal medicine residents (interns) allocate time while working on general medicine inpatient services.

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Acute myeloid leukemia (AML) treatment typically involves remission induction chemotherapy followed by consolidation chemotherapy. New treatments for AML have recently been introduced, including a chemotherapy formulation called CPX-351, which is administered via less time-intensive IV infusion than the standard "7 + 3" continuous infusion regimen of cytarabine plus an anthracycline. The purpose of this study was to estimate utilities that could be used in economic modeling of AML treatment.

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Hydrogen peroxide (HO) plays an important role physiologically as the second messenger and pathologically as an inducer of oxidative stress in injury, ischemia and other conditions. However, it is unclear how HO influences various cellular functions in health and disease differentially, particularly in the blood-brain barrier (BBB). We hypothesized that the change in cellular concentrations of HO is a major contributor in regulation of angiogenesis, barrier integrity/permeability and cell death/apoptosis in BBB endothelial cells.

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