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Vanderbilt University Medical Centre[Af... Publications | LitMetric

159 results match your criteria: "Vanderbilt University Medical Centre[Affiliation]"

Background: In an exploratory study to assess the potential to individualize T-cell diagnostics in antibiotic-associated severe T-cell mediated hypersensitivity, we focused on drug reaction with eosinophilia and systemic symptoms (DRESS) and the related cytokine outputs IL-4 and IL-5.

Methods: Patients with well-phenotyped RegiSCAR ≥4 DRESS, positive intradermal skin testing, and a previous negative IFN-γ Enzyme-Linked ImmunoSpot (ELISpot) assay were prospectively recruited. We specifically performed an ELISpot assay with IL-4 and IL-5 cytokine outputs.

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International Multicenter Cohort Study on Beta-Blocker-Free Treatment Strategies for Catecholaminergic Polymorphic Ventricular Tachycardia Patients.

JACC Clin Electrophysiol

November 2024

Department of Molecular Pharmacology & Experimental Therapeutics (Windland Smith Rice Sudden Death Genomics Laboratory), Mayo Clinic, Rochester, Minnesota, USA; Department of Pediatric and Adolescent Medicine (Division of Pediatric Cardiology), Mayo Clinic, Rochester, Minnesota, USA; Department of Cardiovascular Medicine (Division of Heart Rhythm Services, Windland Smith Rice Genetic Heart Rhythm Clinic), Mayo Clinic, Rochester, Minnesota, USA. Electronic address:

Background: Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare, potentially life-threatening genetic heart disease. Nonselective beta-blockers (BBs) are highly effective in reducing CPVT-triggered arrhythmic events. However, some patients suffer from unacceptable BB side effects and might require strategies without a BB.

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Background: Ulcerative colitis (UC) is a prevalent inflammatory bowel disease primarily impacting the mucosa of the colon. It is characterized by recurring and incurable symptoms and causes immense suffering and significant economic burden due to limited treatment options. Typical symptoms of UC include diarrhea, alterations in bowel patterns, bleeding from the rectum, rectal pain or urgency, anemia, and tiredness.

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  • - This study focuses on the increased risk of cardiovascular diseases, specifically right ventricular (RV) dysfunction, in people living with HIV (PLWH) in northwest Nigeria, emphasizing the need for more research in low- and middle-income settings.
  • - Researchers conducted a retrospective analysis of 330 adults, including HIV-positive individuals and age- and sex-matched HIV-negative controls, using advanced imaging techniques to evaluate heart function.
  • - Results indicated that 14.5% of HIV-positive participants showed signs of RV dysfunction, linked to factors like age and left ventricular ejection fraction, while no HIV-negative participants exhibited such dysfunction.
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  • The ORBITA-2 trial examined the effectiveness of percutaneous coronary intervention (PCI) in relieving stable angina in patients with coronary artery disease (CAD) compared to a placebo.
  • Participants reported daily angina episodes and underwent tests to measure fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR) before being randomized to receive either PCI or a placebo.
  • Results indicated that lower FFR and iFR values were associated with significantly greater improvement in angina symptoms following PCI, suggesting these measurements can help predict the benefits of the intervention.
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  • Stevens-Johnson syndrome and toxic epidermal necrolysis (SJS/TEN) are severe skin reactions to drugs, involving immune system responses from CD8 T cells.
  • Researchers analyzed skin and blister fluid from 15 SJS/TEN patients using various sequencing techniques, revealing 15 distinct cell types and noting active immune responses in affected areas.
  • Key findings indicate that certain T cell receptors and inflammatory markers in skin tissues could be targeted for new treatments, highlighting the role of keratinocytes and T cells in the disease's progression.
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  • Study investigates the use of patiromer, a potassium binder, to improve the effectiveness of RAAS inhibitors in patients with heart failure and hyperkalemia.
  • In a trial with over 1,000 patients, those with hyperkalemia were able to optimize their medication while on patiromer, showing a slight reduction in serum potassium levels compared to placebo.
  • Results suggest patiromer helps patients with current hyperkalemia maintain optimal doses of medication more effectively than those with a history of hyperkalemia, enhancing treatment outcomes for heart failure management.
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Paediatric neuro-oncology in low- and middle-income countries (LMICs) accounts for a significant proportion of cancer-related mortalities in this age group. The current dearth of structured paediatric neurosurgery training programmes in LMICs requires multidisciplinary coordination; neurosurgeons play certain key roles, as discussed in this article, in ensuring safe and effective care for paediatric neuro-oncology patients. This document intends to elaborate through illustrative cases of the technical and structural nuances required by neurosurgeons in LMICs to provide appropriate surgical care.

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Over the past few decades, the global healthcare community has achieved remarkable success in controlling many communicable diseases across various regions. However, non-communicable diseases now constitute a significant portion of disease morbidity and mortality, particularly in low- and middle-income countries (LMICs). Among these, cancer, in particular, is witnessing a notable increase in incidence in many LMICs.

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Overview of pro-inflammatory and pro-survival components in neuroinflammatory signalling and neurodegeneration.

Ageing Res Rev

September 2024

Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Delhi Technological University (Formerly DCE), Delhi 110042, India. Electronic address:

Neurodegenerative diseases (NDDs) are identified by the progressive deterioration of neurons and a subsequent decline in cognitive function, creating an enormous burden on the healthcare system globally. Neuroinflammation is an intricate procedure that initiates the immune response in the central nervous system (CNS) and significantly impacts the expansion of NDDs. This study scrutinizes the complicated interaction between neuronal degeneration and neuroinflammation, with an appropriate emphasis on their reciprocal impacts.

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Alterations in white matter (WM) microstructure of the central nervous system have been shown to be pathophysiological presentations of various neurodegenerative disorders. Current methods for measuring such WM features require ex vivo tissue samples analyzed using electron microscopy. Magnetic Resonance Imaging (MRI) diffusion-weighted pulse sequences provide a non-invasive tool for estimating such microstructural features in vivo.

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Background: There is limited published data regarding the distribution of esophageal cancer patients by sub-regions, districts and ethnicity in Uganda.

Objectives: To study the distribution by sub-regions, districts, ethnicity and sub-regions post-care outcomes of esophageal cancer patients in care over ten years at the Uganda Cancer Institute.

Methods: Patients' charts with confirmed diagnoses of esophageal cancer for 2009-2019 were identified.

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Background: Computational variant effect predictors offer a scalable and increasingly reliable means of interpreting human genetic variation, but concerns of circularity and bias have limited previous methods for evaluating and comparing predictors. Population-level cohorts of genotyped and phenotyped participants that have not been used in predictor training can facilitate an unbiased benchmarking of available methods. Using a curated set of human gene-trait associations with a reported rare-variant burden association, we evaluate the correlations of 24 computational variant effect predictors with associated human traits in the UK Biobank and All of Us cohorts.

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Aim: To compare the efficacy and safety profiles of recent innovations in type 2 diabetes mellitus (T2DM), which include once-weekly formulations such as tirzepatide, a dual glucagon-like peptide-1 and glucose-dependent insulinotropic polypeptide receptor agonist, and once-weekly insulin options such as icodec and basal insulin Fc.

Methods: A systematic search of the PubMed, Scopus, Cochrane, and Web of Science databases was conducted. The network meta-analysis protocol was registered at OSF registries (https://osf.

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Skin testing and challenge in patients with immediate hypersensitivity reactions to gadolinium-based contrast agents identify safe future options.

Allergol Int

October 2024

Division of Allergy and Clinical Immunology, Department of Medicine, McGill University Health Centre (MUHC), McGill University, Montreal, Canada; The Research Institute of McGill University Health Centre, McGill University, Montreal, Canada; Center for Antibiotic Allergy and Research, Department of Infectious Diseases, Austin Health, Heidelberg, Australia; Department of Infectious Diseases, University of Melbourne, At the Peter Doherty Institute for Infection and Immunity, Victoria, Australia.

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Long Noncoding RNA MALAT1: Salt-Sensitive Hypertension.

Int J Mol Sci

May 2024

Department of Medicine, Preston Research Building, Vanderbilt University Medical Centre, Nashville, TN 37232, USA.

Hypertension stands as the leading global cause of mortality, affecting one billion individuals and serving as a crucial risk indicator for cardiovascular morbidity and mortality. Elevated salt intake triggers inflammation and hypertension by activating antigen-presenting cells (APCs). We found that one of the primary reasons behind this pro-inflammatory response is the epithelial sodium channel (ENaC), responsible for transporting sodium ions into APCs and the activation of NADPH oxidase, leading to increased oxidative stress.

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The risk of skin cancer in women who carry BRCA1 or BRCA2 mutations.

Hered Cancer Clin Pract

May 2024

Women's College Research Institute, Women's College Hospital, 76 Grenville St, M5S 1B1, Toronto, ON, Canada.

Background: It has not been clearly established if skin cancer or melanoma are manifestations of BRCA1 or BRCA2 mutation carrier status. Estimating the risk of skin cancer is an important step towards developing screening recommendations.

Methods: We report the findings of a prospective cohort study of 6,207 women from North America who carry BRCA1 or BRCA2 mutations.

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Background: Catecholaminergic polymorphic ventricular tachycardia (CPVT) may cause sudden cardiac death (SCD) despite medical therapy. Therefore, implantable cardioverter-defibrillators (ICDs) are commonly advised. However, there is limited data on the outcomes of ICD use in children.

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The female predominance of gallbladder cancer (GBC) has led to a hypothesis regarding the hormone-related aetiology of GBC. We aimed to investigate the association between female reproductive factors and GBC risk, considering birth cohorts of Asian women. We conducted a pooled analysis of 331,323 women from 12 cohorts across 4 countries (China, Japan, Korea, and Singapore) in the Asia Cohort Consortium.

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Stevens-Johnson syndrome and toxic epidermal necrolysis (SJS/TEN) is a rare but life-threatening cutaneous drug reaction mediated by human leukocyte antigen (HLA) class I-restricted CD8+ T-cells. To obtain an unbiased assessment of SJS/TEN cellular immunopathogenesis, we performed single-cell (sc) transcriptome, surface proteome, and TCR sequencing on unaffected skin, affected skin, and blister fluid from 17 SJS/TEN patients. From 119,784 total cells, we identified 16 scRNA-defined subsets, confirmed by subset-defining surface protein expression.

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Outcomes of patients with resected stage III/IV acral or mucosal melanoma, treated with adjuvant anti-PD-1 based therapy.

Eur J Cancer

March 2024

Department of Medical Oncology, Westmead and Blacktown Hospitals, Sydney, Australia; Melanoma Institute Australia, The University of Sydney, Sydney, Australia. Electronic address:

Importance: Acral (AM) and mucosal melanomas (MM) are rare subtypes with a poor prognosis. In those with advanced disease, anti-PD-1 (PD1) therapy has reduced activity compared to that seen in non-acral cutaneous melanoma.

Objective: To determine the efficacy of adjuvant PD1 in resected AM or MM.

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