1,765 results match your criteria: "University of North Carolina at Chapel Hill School of Medicine.[Affiliation]"

Objective: Given the US population concentration near coastal areas and increased flooding due to climate change, public health professionals must recognize the psychological burden resulting from exposure to natural hazards.

Methods: We performed a systematic search of databases to identify articles with a clearly defined comparison group consisting of either pre-exposure measurements in a disaster-exposed population or disaster-unexposed controls, and assessment of mental health, including but not limited to, depression, post-traumatic stress (PTS), and anxiety.

Results: Twenty-five studies, with a combined total of 616 657 people were included in a systematic review, and 11 studies with a total of 2012 people were included in a meta-analysis of 3 mental health outcomes.

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Background: Portal vein system-specific risk factors contributing to portal vein thrombosis in cirrhosis are poorly investigated.

Aims: To quantify contact system and intrinsic pathway activation in peripheral compared to portal venous blood in patients with decompensated cirrhosis.

Methods: Adult patients with cirrhosis undergoing transjugular intrahepatic portosystemic shunt underwent simultaneous blood sampling from a peripheral vein and the portal vein.

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Tudor-Containing Methyl-Lysine and Methyl-Arginine Reader Proteins: Disease Implications and Chemical Tool Development.

ACS Chem Biol

December 2024

UNC Eshelman School of Pharmacy, Center for Integrative Chemical Biology and Drug Discovery, Chemical Biology and Medicinal Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States.

Tudor domains are histone readers that can recognize various methylation marks on lysine and arginine. This recognition event plays a key role in the recruitment of other epigenetic effectors and the control of gene accessibility. The Tudor-containing protein family contains 42 members, many of which are involved in the development and progression of various diseases, especially cancer.

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Septic acute kidney injury (AKI) is an important risk factor for developing chronic kidney disease (CKD). Hu antigen R (HuR) is recognized as a crucial modulator in inflammation. We hypothesized that elevated HuR contributes to the transition from septic AKI to CKD by promoting persistent inflammation and fibrosis, and inhibition of HuR may reverse septic kidney injury.

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Objective: With robotic technology's rapid growth and integration, an urgent need to bridge the educational gap in thoracic surgical training has emerged. This document, a result of consensus among a group of experts in the practice and training of robotic surgery from the Society of Thoracic Surgeons (STS), aims to provide a framework for a standardized national robotic curriculum for thoracic surgery trainees.

Methods: The STS Task Force on Robotic Thoracic Surgery and Workforce on E-learning and Educational Innovation assembled an expert group with the input of the Thoracic Surgery Director's Association (TSDA).

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Adaptor protein complex-3 (AP-3) mediates cargo sorting from endosomes to lysosomes and lysosome-related organelles. Recently, it was shown that AP-3 adopts a constitutively open conformation compared to the related AP-1 and AP-2 coat complexes, which are inactive until undergoing large conformational changes upon membrane recruitment. How AP-3 is regulated is therefore an open question.

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T cells are involved in protective immunity against numerous viral infections. Data regarding functional roles of human T cells in SARS-CoV-2 (SARS2) viral clearance in primary COVID-19 are limited. To address this knowledge gap, we assessed samples for associations between SARS2 upper respiratory tract viral RNA levels and early virus-specific adaptive immune responses for 95 unvaccinated clinical trial participants with acute primary COVID-19 aged 18-86 years old, approximately half of whom were considered at high risk for progression to severe COVID-19.

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Ain't no stoppin' us now….

Sci Adv

December 2024

Section Editor, Biomedicine and Life Sciences, Science Advances, Department of Microbiology and Immunology, University of North Carolina at Chapel Hill School of Medicine, 125 Mason Farm Road, Chapel Hill, NC 27599, USA.

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Evi1 governs Kdm6b-mediated histone demethylation to regulate the Laptm4b-driven mTOR pathway in hematopoietic progenitor cells.

J Clin Invest

December 2024

Department of Medicine and Department of Biochemistry and Molecular Biology, UF Health Cancer Center, University of Florida, Gainesville, Florida, USA.

Ecotropic viral integration site 1 (EVI1/MECOM) is frequently upregulated in myeloid malignancies. Here, we present an Evi1-transgenic mouse model with inducible expression in hematopoietic stem/progenitor cells (HSPCs). Upon induction of Evi1 expression, mice displayed anemia, thrombocytopenia, lymphopenia, and erythroid and megakaryocyte dysplasia with a significant expansion of committed myeloid progenitor cells, resembling human myelodysplastic syndrome/myeloproliferative neoplasm-like (MDS/MPN-like) disease.

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Venetoclax is a first-in-class orally administered B-cell lymphoma-2 inhibitor used to treat chronic lymphocytic leukemia (CLL). Venetoclax is primarily metabolized in the liver by cytochrome P450 (CYP) 3A4 to its major metabolite M27, via M5, and M2, M3, and M4 via oxidation. Although venetoclax is a breakthrough in CLL treatment, managing drug safety and toxicity remains a clinical challenge.

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Several studies have now described instances where G-rich sequences in promoters and enhancers regulate gene expression through forming G-quadruplex (G4) structures. Relatedly, our group recently identified 301 long genomic stretches significantly enriched for minimal G4 motifs (LG4s) in humans and found the majority of these overlap annotated enhancers, and furthermore, that the promoters regulated by these LG4 enhancers are similarly enriched with G4-capable sequences. While the generally accepted model for enhancer:promoter specificity maintains that interactions are dictated by enhancer- and promoter-bound transcriptional activator proteins, the current study tested an alternative hypothesis: that LG4 enhancers interact with cognate promoters via a direct G4:G4 DNA-based mechanism.

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Palliative care (PC) is essential to improve quality of life for individuals with life-limiting acute neurological conditions, particularly in resource-limited settings. In Latin America and the Caribbean (LAC), there is limited health care professional training and education on PC. We reviewed the peer-reviewed literature discussing end-of-life care, withdrawal of life-sustaining treatments (WOLST), and PC in the acute inpatient setting.

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Article Synopsis
  • - The text emphasizes that new antiretroviral drugs and formulations are continuously being developed for HIV prevention and treatment, highlighting the importance of updated strategies to manage the virus effectively.
  • - A panel of expert physician scientists has compiled updated recommendations for 2024 based on extensive literature reviews and data from scientific conferences, focusing on treatment protocols tailored to specific patient needs.
  • - Current recommendations advocate for antiretroviral therapy for all individuals with HIV, primarily using integrase strand transfer inhibitors, while also offering alternatives for those with unique circumstances, and suggesting both oral and injectable options for HIV prevention.
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Background: Traumatic abdominal wall hernias are rare and commonly involve the lateral abdominal wall due to shearing off the oblique and transversus abdominis muscles from the iliac crest. The vast majority of the current literature focuses on the index trauma admission, includes few patients, and provides little to no detail about the hernia repair itself. We aim to report our center's high-volume experience with a definitive repair of chronic traumatic lateral abdominal wall hernias.

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Purpose: The Democratic Republic of Congo has one of the highest burdens of malaria in the world, accounting for 12.3% of malaria cases and 11.6% of malaria deaths.

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Background: Food insecurity poses a substantial threat to mental health. However, there is limited understanding of how food-insecure adults experience mental health challenges and access necessary health services. We examined the association of food insecurity with mental health status, mental health service utilisation and general healthcare utilisation among US adults.

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Impact of white matter hyperintensity volume on cognition among US Mexican American adults.

J Int Neuropsychol Soc

November 2024

Department of Radiology and Biomedical Research Imaging Center, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, USA.

Objective: Higher white matter hyperintensity (WMH) volume is a marker of cardiovascular disease (CVD) risk. CVD risk factors increase risk for Alzheimer's disease and related dementias (ADRD). Mexican Americans (MA) and individuals of other Hispanic/Latino heritages have higher risk for CVD and ADRD.

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Article Synopsis
  • A 70-year-old man with multiple health issues and intellectual disability was a patient for five years, illustrating the complexities of primary care medicine.
  • His case raised ethical questions regarding the treatment of patients who cannot make decisions for themselves, highlighting the need for dignity and respect in care.
  • Despite the challenges, his care experience revealed both the shortcomings of the US healthcare system and the positive outcomes of coordinated, team-based care, emphasizing the importance of human connections in primary care.
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Article Synopsis
  • The study investigates how factors like race and socioeconomic status affect maternal presence in the Neonatal Intensive Care Unit (NICU), with a focus on mothers of Black infants.
  • It finds that Medicaid status significantly predicts lower maternal presence rates, particularly among mothers with lower socioeconomic status.
  • The authors suggest that interventions must target the resource-related challenges faced by low-SES mothers to improve their ability to be present in the NICU.
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Objective: The primary aim of this study was to examine sex differences in energy availability (EA) and its relationships with disordered eating, compulsive exercise, and body mass index (BMI) among adolescent athletes.

Design: Cross-sectional study.

Setting: University hospital pediatric sports medicine center.

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Research news in clinical context.

Sex Transm Infect

November 2024

Department of Genitourinary Medicine and Infectious Diseases, St. James's Hospital, Dublin 8, Ireland.

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Article Synopsis
  • The 2023 American Epilepsy Society Annual Course focused on the importance of timing in evaluating and treating epilepsy, especially for vulnerable populations and those facing health disparities.
  • The course covered a wide range of topics, including gaps in epilepsy care, behavioral health optimization, seizure forecasting, and treatment timing for various seizure types and conditions.
  • Key discussions included the role of neuromodulation versus surgery, strategies for autoimmune-associated epilepsy, dietary therapy, and leveraging new biomarkers in collaboration with neuropsychological outcomes.
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