69 results match your criteria: "Saint Louis University. St Louis[Affiliation]"

Introduction: Adults with Down syndrome (DS) have an increased risk of Alzheimer's disease (AD) dementia, often showing neuropathological indicators by age 40. Physical function and activities of daily living (ADLs) are understudied areas of function that may inform dementia risk. We investigated associations among age, physical function (gait/balance, grip strength, and lower extremity strength), ADLs, and dementia risk symptoms in adults with DS.

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  • A study evaluated the safety and efficacy of endovascular thrombectomy in patients with acute large-vessel occlusion and tandem lesions, focusing on those with low (0-5) and high (6-10) Alberta Stroke Program Early Computed Tomography Scores (ASPECTS).
  • The analysis included 691 patients, revealing that those with low ASPECTS had significantly lower odds of achieving a favorable functional outcome (mRS 0-2) and higher odds of suffering symptomatic intracranial hemorrhage compared to those with high ASPECTS.
  • The researchers concluded that endovascular thrombectomy may lead to poorer functional recovery in patients with tandem lesions and low ASPECTS, particularly in the
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van der Waals two-dimensional materials and heterostructures combined with polymer films continue to attract research attention to elucidate their functionality and potential applications. This study presents the fabrication and mechanical testing of 2D material heterostacks, consisting of few-layer boron nitride and graphene heterostructures synthesized chemical vapor deposition, capped with a polymethyl methacrylate layer and suspended across ∼200 μm wide trenches using a combined wet-dry transfer method. The mechanical characterization of the heterostacks was performed using two independent approaches: (a) non-local testing with a custom-built tensile testing platform and (b) local load-displacement testing employing atomic force microscopy probes, complemented by finite element simulations.

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  • A study found that only 18.3% of adults with heart failure in the U.S. received palliative care within five years of diagnosis, despite its benefits.
  • Shorter wait times for palliative care were linked to more recent diagnoses, advanced heart failure, and certain medical interventions.
  • The research highlights underutilization of palliative care and suggests that factors like race and geography may affect access, indicating a need for further exploration of barriers to service utilization.
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Introduction: Informed decisions to enrol in the clinical investigations of Alzheimer's disease and related dementias (ADRD) require careful consideration of complex risks and uncertain benefits. Decisions regarding whether to receive information about biomarker status are complicated by lack of scientific consensus regarding biomarkers as surrogate endpoints for Alzheimer's disease and how information about individual risk should be evaluated and shared with research participants. This study aims to establish stakeholder consensus regarding ethically optimal approaches to sharing individual results with ADRD research participants.

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Tristetraprolin mediates immune evasion of mycobacterial infection in macrophages.

FASEB Bioadv

August 2024

Division of Infectious Diseases, Allergy and Immunology, Department of Internal Medicine Saint Louis University School of Medicine, Saint Louis University St. Louis Missouri USA.

Article Synopsis
  • The study investigates how Mycobacterium tuberculosis (Mtb) evades the immune system, focusing on the role of tristetraprolin (TTP), an RNA-binding protein that affects mRNA stability.
  • Researchers found that mice lacking TTP showed lower bacterial loads after exposure to Mtb, indicating TTP's role in facilitating bacterial growth in macrophages.
  • The findings suggest that targeting TTP could enhance immune responses and potentially lead to new therapies for tuberculosis by blocking its immune evasion mechanisms.
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Enhancing data practices for Whole Health: Strategies for a transformative future.

Learn Health Syst

June 2024

Whole Health VA St. Louis Health Care System St. Louis Missouri USA.

We explored the challenges and solutions for managing data within the Whole Health System (WHS), which operates as a Learning Health System and a patient-centered healthcare approach that combines conventional and complementary approaches. Addressing these challenges is critical for enhancing patient care and improving outcomes within WHS. The proposed solutions include prioritizing interoperability for seamless data exchange, incorporating patient-centered comparative clinical effectiveness research and real-world data to personalize treatment plans and validate integrative approaches, and leveraging advanced data analytics tools to incorporate patient-reported outcomes, objective metrics, robust data platforms.

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Invasive alien species are among the most pervasive threats to biodiversity. Invasive species can cause catastrophic reductions in populations of native and endemic species and the collapse of ecosystem function. A second major global conservation concern is the extirpation of large-bodied mobile animals, including long-distance migrants, which often have keystone ecological roles over extensive spatial extents.

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  • * A case study of a 5-month-old boy showed features of both conditions, including cryptorchidism and hormonal abnormalities.
  • * Ongoing research is needed to better understand the possible connections between Jacobs syndrome and CAH.
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Introduction: The decoronation technique has been described in literature since 1984 and, based on the available results, it can lead to considerable benefits for the repair and rehabilitation of ankylosed teeth. Based on these reports, one could expect that this procedure would be well known by the dental community. However, this fact does not seem to be true, and this procedure is not widely used.

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Key Clinical Message: An underlying autoimmune condition should be suspected in patients who presented with periodic muscular weakness secondary to distal RTA that leads to hypokalemia because distal RTA is commonly associated with autoimmune disorders such as Sjögren's syndrome.

Abstract: A 22-year-old female presented with a sudden onset of bilateral weakness in both upper and lower limbs. The patient had a history of muscular weakness secondary to hypokalemia and dryness of the eyes for the last 3 years.

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Objectives: Debriefing is an integral component of simulation education, and effective debriefing education is required to maintain effective simulation programs. However, many educators report financial and logistical barriers to accessing formal debriefing training. Due to limited educator development opportunities, simulation program leaders are often compelled to utilize educators with insufficient debriefing training, which can limit the impact of simulation-based education.

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Introduction: Alzheimer's disease (AD) occurs in aging adults with Down syndrome (DS) at a higher prevalence and an earlier age than in typical aging adults. As with the general aging adult population, there is an urgent need to understand the preclinical and early phases of AD progression in the adult population with DS. The aim of this scoping review was to synthesize the current state of the evidence and identify gaps in the literature regarding functional activity performance and falls and their significance to disease staging (i.

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Drug overdose deaths in pre-teen and adolescent students have risen over the past several years, causing increasing concerns in our society, along with concerns over the rise in availability of more counterfeit pills and illegally manufactured fentanyl. School nurses interface regularly with pre-teen and adolescent students and therefore are in a position to recognize students at risk for illicit drug use and provide important education to students, staff, parents, and the community. The purpose of this article is to briefly discuss risk factors for opioid misuse and to provide recommendations for interventions school nurses can use, including collaboration with other school and community leaders, to help prevent opioid overdose and death in pre-teen and adolescence.

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Climate change threatens endemic island ectothermic reptiles that display small population sizes and temperature-dependent sex determination (TSD). Studies of captive Galapagos tortoises demonstrate type A TSD with warmer incubation temperatures producing females. However, there are few published data from free-living Galapagos tortoises on incubation temperature regimes, and none on hatchling sex ratios in the wild or the potential impacts of climate change on future sex ratios.

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Introduction: Health disparities arise from biological-environmental interactions. Neuroimaging cohorts are reaching sufficiently large sample sizes such that analyses could evaluate how the environment affects the brain. We present a practical guide for applying geospatial methods to a neuroimaging cohort.

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Introduction: Emergence of the Delta variant in 2021 changed the pandemic landscape and led to healthcare surges across the US, despite availability of COVID-19 vaccine. Anecdotal information indicated that the infection prevention and control (IPC) field was changing, but formal assessment was needed.

Methods: Focus groups (6) were conducted with APIC members in November and December, 2021 to elicit infection preventionists' (IP) opinions changes to the IPC field due to the pandemic.

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Hypothesis: Cochlear microphonic recorded at ear canal (CM-EC) can be a substitute for the one recorded at round window (CM-RW).

Background: Almost all clinics do not measure tone-burst evoked CM due to technical difficulty although it can provide more information than click evoked CM. Moreover, clinicians like the CM-EC more than that measured at CM-RW because CM-EC is non-invasive.

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Unlabelled: Governments are recognizing anticompetitive concerns and market distortions associated with the rise of e-commerce platforms. Thus, policies are being crafted to level the playing field between large platform operators and small platform sellers. In addition, policies mitigating barriers to internationalization associated with using e-commerce platforms are also being developed.

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Introduction: COVID-19 epidemiology changed dramatically in spring 2021 when vaccine became widely available and the Delta variant emerged. There was a need to identify current infection prevention challenges due to changing pandemic epidemiology.

Methods: Six focus groups were conducted via Zoom with APIC members in November and December, 2021 to elicit infection preventionists' (IP) experiences with the COVID-19 pandemic after the Delta variant had emerged.

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  • Global climate change poses a significant threat to crop production and food security, making it essential to understand the genetic adaptation of wild relatives for climate-smart breeding.
  • Researchers sequenced the genomes of 185 wild soybean accessions from different ecological zones in China, revealing distinct genetic structures influenced by environmental factors and a divergence timeline of about 1 million years.
  • The study identified key genes related to local adaptation, including those affecting flowering time and temperature, highlighting a genetically beneficial locus on chromosome 19 that supports adaptability to high-latitude environments, which could aid in developing climate-resilient soybean varieties.
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Plants take up elements through their roots and transport them to their shoot systems for use in numerous biochemical, physiological, and structural functions. Elemental composition of above-ground plant tissues, such as leaves, reflects both above- and below-ground activities of the plant, as well the local environment. Perennial, grafted plants, where the root system of one individual is fused to the shoot system of a genetically distinct individual, offer a powerful experimental system in which to study how genetically distinct root systems influence the elemental composition of a common shoot system.

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Background: With little attention given to low-frequency traffic noise and our understanding that cochlear function may be highly susceptible to low-frequency noise, there is an urgent need to determine traffic noise-induced hearing loss (NIHL), not only the hearing loss at low frequency but also the possible high-frequency hearing loss.

Methods: The current study aims to investigate the potential for extensive hearing loss induced by exposure to 0.063 kHz octave band noise (OBN), which is an important component of low-frequency traffic noise.

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