212 results match your criteria: "MA (J.M.M.); and Brigham and Women's Hospital[Affiliation]"

A Randomized Trial of Drug Route in Out-of-Hospital Cardiac Arrest.

N Engl J Med

January 2025

From the Warwick Medical School, Clinical Trials Unit, University of Warwick (K.C., C.J., J.P.N., J.B.L., J.M.M., F.M., C.N., H.N., A.-M.S., M.A.S., K.R.S., S.W., R.L., G.D.P.), and the Critical Care Unit, University Hospital Coventry and Warwickshire NHS Trust (M.A.S.), Coventry, Devon Air Ambulance (N.L., B.T.) and South Western Ambulance Service NHS Foundation Trust (R.O., S.W.), Exeter, East Midlands Ambulance Service NHS Trust, Nottingham (R.E.S.S., G.L.S., G.A.W.), East of England Ambulance Service NHS Trust, Cambridge (S.B., T.F.), Kingston University (T.Q.) and London Ambulance Service NHS Trust (R.T.F., J.K., J.F., A.M.-S.), London, North East Ambulance Service NHS Foundation Trust, Newcastle upon Tyne (K.C., E.B., M.L.), North West Ambulance Service NHS Trust, Bolton (S.B., A. Wright, M.W.), South Central Ambulance Service NHS Foundation Trust, Bicester (C.D.D., M.B., A.C., V.D.), South East Coast Ambulance Service NHS Foundation Trust, Crawley (G.B., J.W.), Welsh Ambulance Services University NHS Trust, Cwmbran (C.M., N.R.), West Midlands Ambulance Service University NHS Foundation Trust, Brierley Hill (A. Walker, C.E., J.M., J.V.W.), the Critical Care Unit, University Hospitals Birmingham NHS Foundation Trust, Birmingham (G.D.P., K.C.), the Emergency Department, Harrogate and District NHS Foundation Trust, Harrogate (A. Walker), the Department of Anaesthesia, Royal United Hospitals Bath NHS Foundation Trust, Bath (J.P.N.), University Hospital Southampton NHS Foundation Trust, Southampton (C.D.D.), and the University of Bristol, Bristol (J.P.N.) - all in the United Kingdom.

Background: In patients with out-of-hospital cardiac arrest, the effectiveness of drugs such as epinephrine is highly time-dependent. An intraosseous route of drug administration may enable more rapid drug administration than an intravenous route; however, its effect on clinical outcomes is uncertain.

Methods: We conducted a multicenter, open-label, randomized trial across 11 emergency medical systems in the United Kingdom that involved adults in cardiac arrest for whom vascular access for drug administration was needed.

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Precision medicine aims at tailoring treatments to individual patient's characteristics. In this regard, recognizing the significance of sex and gender becomes indispensable for meeting the distinct healthcare needs of diverse populations. To this end, continuing a trend of improving data quality observed since 2014, the European Genome-phenome Archive (EGA) established a policy in 2018 that mandates data providers to declare the sex of donor samples, aiming to enhance data accuracy and prevent imbalance in sex classification.

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Critical Health Care Challenges for the Next U.S. President.

N Engl J Med

October 2024

From the Harvard T.H. Chan School of Public Health (R.J.B., D.B., B.D.S., M.B.R, J.F.F., J.J.K.), Harvard Medical School (J.M.M.), and Brigham and Women's Hospital (J.M.M.) - all in Boston; New York University, New York (S.G.); Vanderbilt University Medical Center, Nashville (S.B.D.); Ohio State University, Columbus (R.Y.); and the Harvard Kennedy School, Cambridge, MA (M.A.).

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The interplay of mutagenesis and ecDNA shapes urothelial cancer evolution.

Nature

November 2024

Department of Medicine, Weill Cornell Medicine, New York, NY, USA.

Article Synopsis
  • Advanced urothelial cancer displays significant genetic diversity and involves complex interactions between internal and external mutagens, which contributes to its deadly nature.
  • The study revealed that APOBEC3-induced mutations occur early during tumor development, while chemotherapy leads to a surge of later mutations, with both processes affecting the structure of extrachromosomal DNA.
  • Findings emphasized the role of circular ecDNA in the development of treatment resistance, specifically through CCND1 amplifications, highlighting key mechanisms that can inform future cancer therapies.
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Article Synopsis
  • Type 2 diabetes (T2D) genome-wide association studies (GWASs) typically miss rare genetic variants due to limitations in previous imputation methods and insufficient whole-genome sequencing data.
  • In a large-scale study involving over half a million individuals, researchers uncovered 12 new genetic variants linked to T2D, including a rare enhancer variant near the LEP gene that significantly increases risk.
  • The study also analyzed ClinVar variants related to monogenic diabetes, identifying additional rare variants that affect T2D risk and offering new insights into the pathogenicity of certain variants previously deemed uncertain.
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Ex vivo lung perfusion (EVLP) enables advanced assessment of human lungs for transplant suitability. We developed a convolutional neural network (CNN)-based approach to analyze the largest cohort of isolated lung radiographs to date. CNNs were trained to process 1300 longitudinal radiographs from n = 650 clinical EVLP cases.

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Recent advances in therapy and the promulgation of multidisciplinary pulmonary embolism teams show great promise to improve management and outcomes of acute pulmonary embolism (PE). However, the absence of randomized evidence and lack of consensus leads to tremendous variations in treatment and compromises the wide implementation of new innovations. Moreover, the changing landscape of health care, where quality, cost, and accountability are increasingly relevant, dictates that a broad spectrum of outcomes of care must be routinely monitored to fully capture the impact of modern PE treatment.

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Despite recent advances in immunotherapies targeting single tumor-associated antigens, patients with multiple myeloma eventually relapse. ISB 2001 is a CD3 T cell engager (TCE) co-targeting BCMA and CD38 designed to improve cytotoxicity against multiple myeloma. Targeting of two tumor-associated antigens by a single TCE resulted in superior cytotoxic potency across a variable range of BCMA and CD38 tumor expression profiles mimicking natural tumor heterogeneity, improved resistance to competing soluble factors and exhibited superior cytotoxic potency on patient-derived samples and in mouse models.

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Diets containing inorganic phosphate additives are unbalanced with respect to calcium and these diets have been linked to the development of altered bone metabolism. Using 2 randomized cross-over studies in healthy humans, we (1) characterized the hormonal and urinary response to 2 meals with the same reported phosphorus amount (562-572 mg), where one was manufactured with inorganic phosphate additives and a comparatively lower Ca:P molar ratio (0.26 vs 0.

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Continuation versus Interruption of Oral Anticoagulation during TAVI.

N Engl J Med

August 2024

From the Department of Cardiology, St. Antonius Hospital, Nieuwegein (D.J.G., W.L.B., J.P., B.J.W.M.R., L.T., M.J.S., J.B., V.J.N., D.C.O., J.M.B.), the Department of Cardiology, Amsterdam UMC, Amsterdam (H.M.A., J.G.P.T., R.D.), the Department of Cardiology, University Medical Center Utrecht, Utrecht (H.M.A., M. Voskuil), the Department of Cardiology, Radboud University Medical Center, Nijmegen (M.J.P.R., V.J.N., N.R.), the Department of Cardiology, Maastricht University Medical Center (L.V., A.J.J.I., P.A.V., A.W.J.H.), and Cardiovascular Research Institute Maastricht (L.V., P.A.V., A.W.J.H., J.M.B.), Maastricht, the Department of Cardiology, Leiden University Medical Center, Leiden (F.K., J.M.M.-C.), the Department of Cardiology, University Medical Center Groningen, Groningen (K.H.B., J.J.W.), the Department of Cardiology, Erasmus University Medical Center, Rotterdam (N.M.V.M.), the Department of Cardiology, Haga Hospital, the Hague (C.E.S.), the Department of Cardiology, Amphia Hospital, Breda (A.J.J.I., J.H., B.J.L.V.B.), the Department of Cardiology, Isala Hospital, Zwolle (R.S.H., R.L.), and the Department of Cardiology, Elisabeth-Tweesteden Hospital, Tilburg (J.H.) - all in the Netherlands; the Department of Cardiovascular Medicine, University Hospital Leuven, Leuven (C.D., T.A.), the Department of Cardiology, Algemeen Stedelijk Hospital Aalst (L.R.), and Cardiovascular Center Aalst, Onze Lieve Vrouw Hospital (E.B., M. Vanderheyden), Aalst, the Department of Cardiology, Hospital Network Antwerp (ZNA) Middelheim, Antwerp (P.A., H.E.J.), the Department of Cardiology, Sint-Jan Hospital, Bruges (J.A.S.V.D.H.), the Department of Cardiology, AZ Delta, Roeselare (K.D.), and the Department of Cardiology, Hospital Oost-Limburg, Genk (B.F.) - all in Belgium; the Heart Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen (O.D.B., Y.K.); the Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome (E.B.), and the Cardiothoracovascular Department, University of Trieste, Trieste (E.F.) - both in Italy; the Department of Cardiology, University Hospital Galway, Galway, Ireland (D.M.); and the Department of Cardiology, Institut National de Chirurgie Cardiaque et de Cardiologie Interventionnelle, Luxembourg (P.F., M.L.).

Article Synopsis
  • * In a trial with 858 patients, results showed no significant difference in major complications between those who continued anticoagulation (16.5% experienced primary outcomes) and those who interrupted it (14.8%).
  • * Continuation of anticoagulation led to higher incidences of major bleeding (31.1% vs. 21.3%), suggesting that interrupting anticoagulation is safer in this patient population undergoing TAVI.
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Primary vaccination with mRNA-1273 (100-µg) was safe and efficacious at preventing coronavirus disease 2019 (COVID-19) in the previously reported, blinded Part A of the phase 3 Coronavirus Efficacy (COVE; NCT04470427) trial in adults (≥18 years) across 99 U.S. sites.

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Analysis of Gender Discrepancies in Leadership Roles and Recognition Awards in the Child Neurology Society.

Neurology

September 2024

From the Department of Neurology (J.M.M.), Wake Forest University School of Medicine, Winston-Salem, NC; Providence Health and Services (A.L.C.), OR; Department of Pediatrics (G.Y.G.), Emory University School of Medicine, Children's Healthcare of Atlanta, GA; Department of Neurology (B.R.A.), School of Medicine, Washington University in St Louis and St Louis Children's Hospital, MO; Department of Neurology (L.J.), University of Virginia, Charlottesville; Division of Pediatric Neurology (S.J.), Department of Pediatrics, University of Michigan, Ann Arbor; Department of Neurology (J.B.S.), University of California, San Francisco; Child Neurology Society (M.T.), Minneapolis, MN; LSU Health Sciences Center and Children's Hospital New Orleans (A.H.T.), LA; Department of Neurology (P.L.P.), Harvard Medical School, Boston, MA; Department of Physical Medicine and Rehabilitation (J.K.S.), Harvard Medical School; Spaulding Rehabilitation Hospital (J.K.S.); Massachusetts General Hospital (J.K.S.); Brigham and Women's Hospital (J.K.S.), Boston, MA; Pittsford, NY (J.W.M.); and Division of Child Neurology (Y.K.), Departments of Pediatrics and Neurology, Memorial Sloan Kettering Cancer Center, New York, NY.

Article Synopsis
  • The study investigates gender representation in leadership positions and award recipients within the Child Neurology Society (CNS) over a 50-year period, from 1972 to 2023.
  • Despite women making up the majority of child neurology trainees since 2007, they hold only 29% of board positions and 26% of post-training awards, indicating a persistent gender gap.
  • While the number of women in nonpresidential roles has increased, only 13% of CNS presidents have been women, highlighting significant underrepresentation in top leadership positions.
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Adding mulberry fruit extract (MFE) to carbohydrate-rich meals can reduce postprandial glucose (PPG) and insulin (PPI) responses in healthy individuals. This pilot study assessed the acute postprandial effects of low doses of MFE in individuals with type 2 diabetes. In a randomized cross-over (within-subjects) design, 24 unmedicated adult males and females with type 2 diabetes (mean [SD] age 51.

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Purpose: To examine age- and sex-related differences in postoperative functional outcomes at approximately 6 months after anterior cruciate ligament reconstruction (ACLR).

Methods: In this study, patients who underwent primary ACLR performed a series of return-to-sport functional tests at 5 to 8 months after surgery. Functional tests included strength tests (knee extensors, knee flexors, hip abductors, and hip extensors), a balance test (Y-balance composite score), and hop tests (single, triple, crossover, and 6-m timed hop tests).

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Article Synopsis
  • * The study identifies RNU4-2, a non-coding RNA gene, as a significant contributor to syndromic NDD, revealing a specific 18-base pair region with low variation that includes variants found in 115 individuals with NDD.
  • * RNU4-2 is highly expressed in the developing brain, and its variants disrupt splicing processes, indicating that non-coding genes play a crucial role in rare disorders, potentially aiding in the diagnosis of thousands with NDD worldwide.
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Nonterpenoid Chemical Diversity of Cannabis Phenotypes Predicts Differentiated Aroma Characteristics.

ACS Omega

July 2024

Research and Development, Abstrax Tech, 2661 Dow Avenue, Tustin, California 92780, United States.

The recent increase in legality of . has led to interest in developing new varieties with unique aromatic or effect-driven traits. Selectively breeding plants for the genetic stability and consistency of their secondary metabolite profiles is one application of phenotyping.

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Article Synopsis
  • * Both MM and COVID-19 can lead to endothelial dysfunction, causing overlapping issues like inflammation and blood clotting problems, making treatment more complex.
  • * Treatment options for MM, such as stem cell transplants and CAR T-cell therapies, can worsen endothelial injury, so strategies to reduce inflammation and clotting risks—like using specific medications—are essential for patient care.
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Article Synopsis
  • Crohn's disease (CD) is a type of inflammatory bowel disease marked by damage throughout the intestinal wall, and achieving "transmural healing" (TH) is seen as important for effective treatment and remission.
  • Current research on Crohn's has largely focused on the intestinal lining, neglecting the role of the deeper intestinal wall.
  • By using advanced techniques to analyze immune and cell profiles in both the mucosal and deeper layers, researchers found differences in gene expression and protein profiles that could help identify new therapies for chronic refractory CD aimed at achieving TH.
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Background: Preclinical studies have demonstrated that VT1021, a first-in-class therapeutic agent, inhibits tumor growth via stimulation of thrombospondin-1 (TSP-1) and reprograms the tumor microenvironment. We recently reported data from the dose escalation part of a phase I study of VT1021 in solid tumors. Here, we report findings from the dose expansion phase of the same study.

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Genome-wide analysis in over 1 million individuals of European ancestry yields improved polygenic risk scores for blood pressure traits.

Nat Genet

May 2024

Clinical Pharmacology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK.

Article Synopsis
  • * The research showed that individuals with high polygenic risk scores have significantly higher blood pressure (almost 17 mmHg more) and over seven times the risk of developing hypertension compared to those with low scores.
  • * Incorporating these genetic risk scores into hypertension prediction models improved their accuracy, and excitingly, similar genetic associations were found in a large African-American sample, underscoring the potential of these findings for precision health initiatives.
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Clinical, Neuroimaging, and Metabolic Footprint of the Neurodevelopmental Disorder Caused by Monoallelic Variants.

Neurol Genet

April 2024

From the University Children's Hospital Salzburg (S.B.W., R.G.F., J.A.M.), Austria; Amalia Children's Hospital (S.B.W., L.A.G., J. Hebbink, M.A.W.), Department of Pediatrics (Pediatric Neurology), Nijmegen, The Netherlands; Division of Child Neurology (L.A., E.B.), University Children's Hospital Zurich, Switzerland; Pediatric Neurology Department (M.A.), Necker-Enfants Malades University Hospital, Paris Cité University, APHP; Reference Centre for Mitochondrial Disorders (CARAMMEL) (C.-M.D.-B., M.S.), Hôpital Necker-Enfants-Malades, APHP, Université Paris Cité, Imagine Institute, Genetics of Mitochondrial Disorders, INSERM UMR 1163; 6Paediatric Radiology Department (N.B.), AP-HP, Hôpital Necker Enfants Malades, Université Paris Cité, Institut Imagine INSERM U1163France; Department of Toxicogenomics (R.C.), Research School of Mental Health and Neuroscience, Maastricht University, The Netherlands; Institute of Medical Genetics and Applied Genomics (L.S., T.B.H.), University of Tübingen; Praxis für Humangenetik (W.H.); Carl-Thiem-Klinikum Cottbus (W.H.); Center for Human Genetics Tübingen (J. Hildebrandt, N.H.); CeGaT GmbH (J. Hildebrandt, N.H.), Tübingen; Department Pediatrics (N.H., C.T.), Centre for Child and Adolescent Medicine, University of Heidelberg; Department of Neuropediatrics (C.K.), University Children's Hospital, Klinikum Oldenburg, Germany; University of British Columbia (A.L.), Vancouver, Canada; Royal Belfast Hospital for Sick Children (T.L.), Belfast, Northern Ireland; University Hospital (C. Makowski), LMU Munich, Division of Pediatric Neurology, Developmental Medicine and Social Pediatrics, Department of Pediatrics, Dr. von Hauner Children's Hospital, Munich, Germany; Department of Neurology (R.J.M.M.), Hospital Universitario La Paz, Madrid, Spain; Reference Center for Intellectual Disabilities of Rare causes (P.M., M.R.), Federation de médecine Génomique des maladies Rares, APHP, Hôpital Necker-Enfants Malades, Paris, France; University Medical Centre Göttingen (C. Mühlhausen), Department of Pediatrics and Adolescent Medicine, Göttingen, Germany; Université Paris Cité (A.R.), Imagine Institute, Genetics of Mitochondrial Disorders, INSERM UMR 1163; Paediatric Radiology Department (C.-J.R), AP-HP, Hôpital Necker Enfants Malades, Université Paris Cité, Institut Imagine INSERM U1163, Paris France; Division of Pediatric Epileptology (S.S.), Centre for Child and Adolescent Medicine, University of Heidelberg, Germany; Department of Neurology (S.A.Z.), LangeLand Hospital, Zoetermeer, The Netherlands; Metabolic Research Group (M.V.C., E.S.), de Duve Institute and UCLouvain, Brussels, Belgium; Technical University of Munich (M. Wagner), School of Medicine, Institute of Human Genetics, Munich, Germany; and Department of Human Genetics (R.A.W.), Translational Metabolic Laboratory (TML), Radboud University Medical Center, Nijmegen, The Netherlands.

Background And Objectives: Hexokinase 1 (encoded by ) catalyzes the first step of glycolysis, the adenosine triphosphate-dependent phosphorylation of glucose to glucose-6-phosphate. Monoallelic variants causing a neurodevelopmental disorder (NDD) have been reported in 12 individuals.

Methods: We investigated clinical phenotypes, brain MRIs, and the CSF of 15 previously unpublished individuals with monoallelic variants and an NDD phenotype.

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Aims: Catheter-directed treatment (CDT) of acute pulmonary embolism (PE) is entering a growth phase in Europe following a steady increase in the USA in the past decade, but the potential economic impact on European healthcare systems remains unknown.

Methods And Results: We built two statistical models for the monthly trend of proportion of CDT among patients with severe (intermediate- or high-risk) PE in the USA. The conservative model was based on admission data from the National Inpatient Sample (NIS) 2016-20 and the model reflecting increasing access to advanced treatment from the PERT™ national quality assurance database registry 2018-21.

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Activating mutations in GNAQ/GNA11 occur in over 90% of uveal melanomas (UMs), the most lethal melanoma subtype; however, targeting these oncogenes has proven challenging and inhibiting their downstream effectors show limited clinical efficacy. Here, we performed genome-scale CRISPR screens along with computational analyses of cancer dependency and gene expression datasets to identify the inositol-metabolizing phosphatase INPP5A as a selective dependency in GNAQ/11-mutant UM cells in vitro and in vivo. Mutant cells intrinsically produce high levels of the second messenger inositol 1,4,5 trisphosphate (IP3) that accumulate upon suppression of INPP5A, resulting in hyperactivation of IP3-receptor signaling, increased cytosolic calcium and p53-dependent apoptosis.

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