427 results match your criteria: "J.R.S.); and Dalton Cardiovascular Research Center[Affiliation]"

Objective: To examine trends and predictors of administrative actions against psychiatric clinicians' licenses between 2002 and 2022.

Methods: Data from the National Practitioner Data Bank (NPDB) identified 6400 disciplinary actions against psychiatric clinicians' licenses. Linear trend models assessed the trends of disciplinary actions across mental/physical health, licensing/legal issues, and unprofessional conduct.

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Functional characterization of eQTLs and asthma risk loci with scATAC-seq across immune cell types and contexts.

Am J Hum Genet

January 2025

Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA; Department of Obstetrics and Gynecology, Wayne State University, Detroit, MI 48201, USA. Electronic address:

cis-regulatory elements (CREs) control gene transcription dynamics across cell types and in response to the environment. In asthma, multiple immune cell types play an important role in the inflammatory process. Genetic variants in CREs can also affect gene expression response dynamics and contribute to asthma risk.

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The consumption of sugar-sweetened beverages (SSBs) is associated with type 2 diabetes (T2D) and cardiovascular diseases (CVD). However, an updated and comprehensive assessment of the global burden attributable to SSBs remains scarce. Here we estimated SSB-attributable T2D and CVD burdens across 184 countries in 1990 and 2020 globally, regionally and nationally, incorporating data from the Global Dietary Database, jointly stratified by age, sex, educational attainment and urbanicity.

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New treatment approaches are warranted for patients with advanced melanoma refractory to immune checkpoint blockade (ICB) or BRAF-targeted therapy. We designed BNT221, a personalized, neoantigen-specific autologous T cell product derived from peripheral blood, and tested this in a 3 + 3 dose-finding study with two dose levels (DLs) in patients with locally advanced or metastatic melanoma, disease progression after ICB, measurable disease (Response Evaluation Criteria in Solid Tumors version 1.1) and, where appropriate, BRAF-targeted therapy.

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Chromosome instability is a prevalent vulnerability of cancer cells that has yet to be fully exploited therapeutically. To identify genes uniquely essential to chromosomally unstable cells, we mined the Cancer Dependency Map for genes essential in tumor cells with high levels of copy number aberrations. We identify and validate KIF18A, a mitotic kinesin, as a vulnerability of chromosomally unstable cancer cells.

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Background: Vosoritide is a C-type natriuretic peptide analog that addresses an underlying pathway causing reduced bone growth in achondroplasia. Understanding the vosoritide treatment effect requires evaluation over an extended duration and comparison with outcomes in untreated children.

Methods: After completing ≥6 months of a baseline observational growth study and 52 weeks in a double-blind, placebo-controlled study (ClinicalTrials.

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Test-Retest Reliability of Two Computationally-Characterised Affective Bias Tasks.

Comput Psychiatr

December 2024

Anxiety Lab, Neuroscience and Mental Health Group, Institute of Cognitive Neuroscience, University College London, UK.

Affective biases are commonly seen in disorders such as depression and anxiety, where individuals may show attention towards and preferential processing of negative or threatening stimuli. Affective biases have been shown to change with effective intervention: randomized controlled trials into these biases and the mechanisms that underpin them may allow greater understanding of how interventions can be improved and their success be maximized. For such trials to be informative, we must have reliable ways of measuring affective bias over time, so we can detect how and whether they are altered by interventions: the test-retest reliability of our measures puts an upper bound on our ability to detect any changes.

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Nascent matrix deposition supports alveolar organoid formation from aggregates in synthetic hydrogels.

Stem Cell Reports

January 2025

Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA; Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI, USA. Electronic address:

Human induced pluripotent stem cell (iPSC)-derived alveolar organoids have emerged as a system to model the alveolar epithelium in homeostasis and disease. However, alveolar organoids are typically grown in Matrigel, a mouse sarcoma-derived basement membrane matrix that offers poor control over matrix properties, prompting the development of synthetic hydrogels as a Matrigel alternative. Here, we develop a two-step culture method that involves pre-aggregation of organoids in hydrogel-based microwells followed by embedding in a synthetic hydrogel that supports alveolar organoid growth, while also offering considerable control over organoid and hydrogel properties.

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Feasibility of Simon 2-Stage Futility Trials in Early Parkinson Disease: Analysis of the PRECEPT and DATATOP Trial Datasets.

Neurology

January 2025

From the Department of Clinical Neurosciences (M.W.K., J.R.S.), University of Calgary, Alberta; Division of Neurology (L.V.K.), Department of Medicine, Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Ontario; Department of Medicine (D.W.), University of British Columbia Southern Medical Program, Kelowna; Division of Neurology (T.A.M., M.G.S.), Department of Medicine, University of Ottawa, The Ottawa Hospital Ottawa, Ontario, Canada; Department of Neurology (J.M.), Rijnstate Hospital, Arnhem; Department of Neurology (E.M.M.S., B.U.), MS Center Amsterdam, Amsterdam University Medical Centers, the Netherlands; Section on Statistical Planning and Analysis (A.S.), Department of Neurology, UT Southwestern Medical Center, Dallas; and Department of Biostatistics (G.R.C.), University of Alabama at Birmingham.

Background And Objectives: Disease-modifying treatments (DMTs) are a major unmet need in Parkinson disease (PD). To date, trials investigating DMT candidates in PD most often used a randomized controlled trial (RCT) design. Unfortunately, RCTs to date have not led to a breakthrough, in part because of the large sample sizes and length of follow-up required.

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Boys With Duchenne Muscular Dystrophy Have Diastolic Dysfunction Based on CMR.

Circ Cardiovasc Imaging

December 2024

Division of Pediatric Cardiology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN (J.R.S., J.G.W., K.G.-D., K.C., C.C.H., J.H.S.).

Article Synopsis
  • Cardiomyopathy is a major cause of death in boys with Duchenne muscular dystrophy (DMD), and this study investigates cardiac function using cardiac magnetic resonance (CMR) imaging to compare DMD patients with healthy controls.
  • The study involved 179 DMD patients and 96 healthy controls, focusing on measuring left ventricular (LV) function, with findings demonstrating significant differences in ventricular volumes and ejection rates, indicating compromised cardiac function in DMD patients.
  • Results suggest that certain CMR filling and ejection indices correlate with increased mortality in DMD patients, highlighting the potential for these measures to serve as important prognostic tools.
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Advancement of vaccine candidates that demonstrate protective efficacy in screening studies necessitates detailed safety and immunogenicity investigations in pre-clinical models. A non-spreading Crimean-Congo hemorrhagic fever virus (CCHFV) viral replicon particle (VRP) vaccine was developed for single-dose administration to protect against disease. To date, several studies have supported safety, immunogenicity, and efficacy of the CCHF VRP in multiple highly sensitive murine models of lethal disease, but the VRP had yet to be evaluated in large animals.

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Background: In the United States, traumatic brain injury (TBI) contributes significantly to mortality and morbidity. Elovanoids (ELVs), a novel class of homeostatic lipid mediators we recently discovered and characterized, have demonstrated neuroprotection in experimental stroke models but have never been tested after TBI.

Methods: A moderate fluid-percussion injury (FPI) model was used on male rats that were treated with ELVs by intravenous (IV) or intranasal (IN) delivery.

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Environmental Life Cycle Assessment of a U.S. Hospital-based Radiology Practice.

Radiology

November 2024

From Koninklijke Philips NV, Amsterdam, the Netherlands (C.L.T., M.V.G., S.N., C.M., J.G., O.S., S.T.); and Department of Radiology, Vanderbilt University Medical Center, 1211 Medical Center Dr, VUH 1145, Nashville, TN 37212 (D.P., R.A.O., D.E.C., J.R.S.).

Background Climate change, driven primarily by human-induced greenhouse gas (GHG) emissions, poses major risks to human health. Health care contributes 8.5% of GHG emissions in the United States.

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Genomic profiling often fails to predict therapeutic outcomes in cancer. This failure is, in part, due to a myriad of genetic alterations and the plasticity of cancer signaling networks. Functional profiling, which ascertains signaling dynamics, is an alternative method to anticipate drug responses.

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An umbrella review of meta-analyses regarding the incidence of female-specific malignancies after fertility treatment.

Fertil Steril

November 2024

Department of Public Health and Primary Care, University of Leuven, Leuven, Belgium; Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom.

Article Synopsis
  • Understanding the risks of fertility treatments (FTs) is crucial for making informed clinical decisions and providing patient counseling regarding women's health issues, particularly cancer.
  • This study aimed to analyze the relationship between FTs and the incidence of specific female-related cancers such as ovarian, endometrial, breast, and cervical cancers, using systematic reviews and meta-analyses.
  • Results indicated a significant increase in ovarian cancer and borderline ovarian tumors among women undergoing FTs compared to those not treated, especially with certain fertility drug regimens like clomiphene citrate and human menopausal gonadotropin.
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Improving precision of vaccine efficacy evaluation using immune correlate data in time-to-event models.

NPJ Vaccines

November 2024

Quantitative Pharmacology and Pharmacometrics, Merck & Co., Inc., Rahway, NJ, USA.

Understanding potential differences in vaccine-induced protection between demographic subgroups is key for vaccine development. Vaccine efficacy evaluation across these subgroups in phase 2b or 3 clinical trials presents challenges due to lack of precision: such trials are typically designed to demonstrate overall efficacy rather than to differentiate its value between subgroups. This study proposes a method for estimating vaccine efficacy using immunogenicity (instead of vaccination status) as a predictor in time-to-event models.

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Immune responses in checkpoint myocarditis across heart, blood and tumour.

Nature

December 2024

Center for Immunology and Inflammatory Diseases, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.

Article Synopsis
  • Immune checkpoint inhibitors, a type of cancer treatment, can cause serious side effects, including immune-related myocarditis (irMyocarditis), which can be fatal.
  • Researchers studied immune responses in the heart, tumor, and blood of 28 patients with irMyocarditis using advanced techniques like single-cell RNA sequencing and T-cell receptor (TCR) sequencing.
  • Their findings showed an increase in certain immune cells in the heart tissue of irMyocarditis patients and identified specific TCR clones associated with severe cases, shedding light on the disease's biology and potential biomarkers.
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Health-Related Behaviors and Risk of Common Age-Related Brain Diseases Across Severities of Genetic Risk.

Neurology

November 2024

From the Henry and Allison McCance Center for Brain Health (S.M., T.N.K., E.M., R.W.P.T., J.R.S., S.P., J.D., C.K., N.Y., R.E.T., J.R., S.S., L.P., C.D.A.), Department of Neurology (S.M., T.N.K., E.M., R.W.P.T., J.R.S., S.P., J.D., C.K., N.Y., R.E.T., J.R., S.S., L.P., C.D.A.), and Division of Neuropsychiatry (C.D.A.), Massachusetts General Hospital, Boston; Broad Institute of MIT and Harvard (S.M., T.N.K., E.M., R.W.P.T., J.R.S., S.P., J.D., C.K., N.Y., J.R., S.S., L.P., C.D.A.), Cambridge; Center for Genomic Medicine (S.M., T.N.K., E.M., R.W.P.T., J.R.S., S.P., J.D., C.K., N.Y., J.R., S.S., L.P., C.D.A.), Massachusetts General Hospital; Department of Neurology (S.M., T.N.K., J.D., L.P., C.D.A.), Brigham and Women's Hospital, Boston, MA; Department of Neurology (R.W.P.T., J.R.S., S.S.), Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, the Netherlands; Yale Center for Brain and Mind Health (C.A.R., G.J.F.), and Department of Neurology, Yale School of Medicine, New Haven, CT.

Background And Objectives: The 21-point Brain Care Score (BCS) is an index that ranks behaviors and clinical measurements with the aim of encouraging lifestyle adjustments to lower the incidence of age-related brain disease, including stroke, late-life depression (LLD), and dementia. A higher BCS at baseline is associated with a lower risk of these outcomes. We aimed to investigate whether the associations between BCS and stroke, LLD, and dementia risks are independent of genetic predisposition for these conditions and quantify the effect of healthy lifestyle across genetic risk distributions for these outcomes.

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Evaluation of the Safety and Immunogenicity of a Multiple Epitope Polypeptide from Canine Distemper Virus (CDV) in Mice.

Vaccines (Basel)

October 2024

Grupo de Investigación en Ciencias Animales-GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia, Bucaramanga 680001, Colombia.

Article Synopsis
  • The study focuses on canine distemper virus (CDV), which is highly contagious among domestic and wild animals, highlighting the necessity for updated vaccination strategies due to emerging strains.
  • Researchers tested a new generation of vaccines using CDV peptides on mice, observing significant immune responses and safety compared to a placebo.
  • The findings suggest that these peptide-based vaccines could improve current vaccination methods and help control CDV in both domestic dogs and wildlife.
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Single-cell RNA-sequencing (scRNAseq) is revolutionizing biomedicine, propelled by advances in methodology, ease of use, and cost reduction of library preparation. Over the past decade, there have been remarkable technical improvements in most aspects of single-cell transcriptomics. Yet, little to no progress has been made in advancing RNase inhibition despite maintained RNA integrity being critical during cell collection, storage, and cDNA library generation.

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The goal of many orthopaedic surgeries is to mechanically stabilize the tissue long enough for biological healing to occur. The healed tissue should be able to bear the load before the mechanical device (screw, suture, anchor, etc.) eventually fails.

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Background: Long QT syndrome is a lethal arrhythmia syndrome, frequently caused by rare loss-of-function variants in the potassium channel encoded by . Variant classification is difficult, often because of lack of functional data. Moreover, variant-based risk stratification is also complicated by heterogenous clinical data and incomplete penetrance.

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Phase 3 Trial of Cabozantinib to Treat Advanced Neuroendocrine Tumors.

N Engl J Med

September 2024

From Dana-Farber Cancer Institute (J.A.C., J.A.M.), Boston Medical Center (M.H.K.), and Boston University (M.H.K.) - all in Boston; the Alliance Statistics and Data Management Center, Mayo Clinic (S.G., T.Z., S.P., F.-S.O.), and Mayo Clinic Comprehensive Cancer Center (T.R.H.) - both in Rochester, MN; Wright Center of Innovation and the Imaging and Radiation Oncology Core, University of Cincinnati, Cincinnati (M.V.K.), and the Ohio State University Comprehensive Cancer Center, Columbus (B.K.) - both in Ohio; the University of California, San Francisco, San Francisco (S.B.), and Stanford Cancer Center, Stanford (S.S.) - both in California; Alliance Statistics and Data Management Center, Mayo Clinic, Scottsdale, AZ (A.C.D.); the University of Hawaii Cancer Center, Honolulu (J.A.); the Alliance Protocol Operations Office, University of Chicago, Chicago (A.S.); Mount Sinai Medical Center (E.M.W.) and Memorial Sloan Kettering Cancer Center (N.R., E.M.O.) - both in New York; Washington University School of Medicine and Siteman Cancer Center, St. Louis (N.A.T.); the University of New Mexico Comprehensive Cancer Center, Albuquerque (B.T.); Fox Chase Cancer Center, Philadelphia (N.V.); M.D. Anderson Cancer Center, Houston (A.D.); Moffitt Cancer Center, Tampa, FL (J.R.S.); and the National Cancer Institute, Bethesda, MD (E.C.K.).

Background: Treatment options for patients with advanced neuroendocrine tumors are limited. The efficacy of cabozantinib in the treatment of previously treated, progressive extrapancreatic or pancreatic neuroendocrine tumors is unclear.

Methods: We enrolled two independent cohorts of patients - those with extrapancreatic neuroendocrine tumors and those with pancreatic neuroendocrine tumors - who had received peptide receptor radionuclide therapy or targeted therapy or both.

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Abdul-Aziz MH, Hammond NE, Brett SJ, et al. JAMA. 12 June 2024.

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Dulhunty JM, Brett SJ, De Waele JJ, et al; BLING III Study Investigators. JAMA. 12 June 2024.

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