825 results match your criteria: "University of Pennsylvania and.[Affiliation]"

Background And Aims: In biliary atresia, serum bilirubin is commonly used to predict outcomes after Kasai portoenterostomy (KP). Infants with persistently high levels invariably need liver transplant, but those achieving normalized levels have a less certain disease course. We hypothesized that serum bile acid levels could help predict outcomes in the latter group.

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Unlabelled: Neuroblastoma evolution, heterogeneity, and resistance remain inadequately defined, suggesting a role for circulating tumor DNA (ctDNA) sequencing. To define the utility of ctDNA profiling in neuroblastoma, 167 blood samples from 48 high-risk patients were evaluated for ctDNA using comprehensive genomic profiling. At least one pathogenic genomic alteration was identified in 56% of samples and 73% of evaluable patients, including clinically actionable ALK and RAS-MAPK pathway variants.

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Ventricular-Arterial Coupling in Heart Failure: Time to Close the Loop and Catch the Wave?

JACC Cardiovasc Imaging

September 2022

University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA; Hospital of the University of Pennsylvania and Perelman Center for Advanced Medicine, Philadelphia, Pennsylvania, USA. Electronic address:

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Trial of Anti-BDCA2 Antibody Litifilimab for Systemic Lupus Erythematosus.

N Engl J Med

September 2022

From Northwell Health, Great Neck, NY (R.A.F.); Amsterdam University Medical Centers, Amsterdam (R.F.V.); the University of California San Diego, La Jolla (K.K.); the University of Santo Tomas, Manila, Philippines (S.N.); Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City (J.R.-D.); the University of Pennsylvania and Corporal Michael J. Crescenz Veterans Affairs Medical Center - both in Philadelphia (V.P.W.); Biogen, Cambridge, MA (X.H., G.C., H.C., A.M., C.M., N.F.); and Biogen, Baar, Switzerland (C.B.).

Background: Antibody-binding of blood dendritic cell antigen 2 (BDCA2), which is expressed exclusively on plasmacytoid dendritic cells, suppresses the production of type I interferon that is involved in the pathogenesis of systemic lupus erythematosus (SLE). The safety and efficacy of subcutaneous litifilimab, a humanized monoclonal antibody that binds to BDCA2, in patients with SLE have not been extensively studied.

Methods: We conducted a phase 2 trial of litifilimab involving participants with SLE.

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Dietary Elimination for the Treatment of Atopic Dermatitis: A Systematic Review and Meta-Analysis.

J Allergy Clin Immunol Pract

October 2022

Division of Clinical Immunology and Allergy, Department of Medicine, McMaster University, Hamilton, Ontario, Canada; Department of Health Research Methods, Evidence, and Impact. McMaster University, Hamilton, Ontario, Canada; Research Institute of St Joe's Hamilton, Hamilton, Ontario, Canada. Electronic address:

Background: The influence of diet on atopic dermatitis (AD) is complex, and the use of dietary elimination as a treatment has conflicting views.

Objective: To systematically review the benefits and harms of dietary elimination for the treatment of AD.

Methods: We searched MEDLINE, Embase, AMED, PsycINFO, and the Cochrane Central Register of Controlled Trials from inception to January 18, 2022, without language restrictions, for randomized controlled trials (RCTs) and observational studies comparing dietary elimination and no dietary elimination for the treatment of AD.

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Background Abnormal cellular lipid metabolism appears to underlie SARS-CoV-2 cytotoxicity and may involve inhibition of peroxisome proliferator activated receptor alpha (PPARα). Fenofibrate, a PPAR-α activator, modulates cellular lipid metabolism. Fenofibric acid has also been shown to affect the dimerization of angiotensin-converting enzyme 2, the cellular receptor for SARS-CoV-2.

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Prevalence of Third-party Tracking on Medical Journal Websites.

JAMA Health Forum

March 2022

Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia.

This cross-sectional study investigates web tracking prevalence and characteristics on medical journal websites.

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Associations Between Low Serum Urate, Body Composition, and Mortality.

Arthritis Rheumatol

January 2023

Medicine Service, VA Nebraska-Western Iowa Health Care System and Department of Internal Medicine, Division of Rheumatology & Immunology, University of Nebraska Medical Center, Omaha, Nebraska.

Objective: Controversy remains as to whether low serum urate or uric acid (UA) levels contribute to adverse outcomes. We evaluated the relation between low serum UA levels and sarcopenia and assessed whether sarcopenia confounds associations between these low levels and mortality.

Methods: We utilized data from the National Health and Nutrition Examination Survey (1999-2006).

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Trial of Anti-BDCA2 Antibody Litifilimab for Cutaneous Lupus Erythematosus.

N Engl J Med

July 2022

From the University of Pennsylvania and Corporal Michael J. Crescenz Veterans Affairs Medical Center - both in Philadelphia (V.P.W.); Northwell Health, Great Neck, NY (R.A.F.); Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubrián, Mexico City (J.R.-D.); the University of Santo Tomas, Manila, Philippines (S.N.); the University of California, San Diego, La Jolla (K.K.); Amsterdam University Medical Centers, Amsterdam (R.F.V.); Karolinska University Hospital, Stockholm (F.N.); Ohio State University, Columbus (B.H.K.); University of North Carolina at Chapel Hill, Chapel Hill (S.Z.S.); Institute of Rheumatology, University of Belgrade, Belgrade, Serbia (G.R.); Biogen, Cambridge, MA (X.H., G.C., H.C., H.N., F.G., A.M., C.M., N.F.); and Biogen, Baar, Switzerland (C.B.).

Background: Blood dendritic cell antigen 2 (BDCA2) is a receptor that is exclusively expressed on plasmacytoid dendritic cells, which are implicated in the pathogenesis of lupus erythematosus. Whether treatment with litifilimab, a humanized monoclonal antibody against BDCA2, would be efficacious in reducing disease activity in patients with cutaneous lupus erythematosus has not been extensively studied.

Methods: In this phase 2 trial, we randomly assigned adults with histologically confirmed cutaneous lupus erythematosus with or without systemic manifestations in a 1:1:1:1 ratio to receive subcutaneous litifilimab (at a dose of 50, 150, or 450 mg) or placebo at weeks 0, 2, 4, 8, and 12.

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Background: Uromodulin regulates activity of the sodium-potassium-two-chloride transporter in the loop of Henle. In adults, higher urine uromodulin levels are associated with greater rise in blood pressure (BP) in response to salt intake. We hypothesized that higher urine uromodulin levels would be associated with higher BP in children with chronic kidney disease, and that there would be an interaction of dietary sodium on this association.

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Familial Aggregation Studies: A Valuable Tool in the Genetic Toolbox.

Circ Genom Precis Med

August 2022

Department of Epidemiology, Human Genetics and Environmental Sciences, University of Texas Health Science Center at Houston, School of Public Health, Houston, TX (L.E.M.).

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Background: Vitamin D deficiency is common in glomerular disease. Supplementation may be ineffective due to ongoing urinary losses of vitamin D binding protein. We sought to determine if daily cholecalciferol supplementation would increase vitamin D concentrations in children with glomerular disease and persistent proteinuria, without adverse effects.

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Axicabtagene ciloleucel (axi-cel) and tisagenlecleucel (tisa-cel) are CD19-directed chimeric antigen receptor (CAR) T cell therapies approved for the treatment of relapsed/refractory aggressive B cell lymphomas. We present a multicenter retrospective study among centers that prescribe either commercial product to evaluate usage patterns, safety and efficacy outcomes, and resource utilization. Data collection included all patients from 8 US centers who underwent apheresis between May 1, 2018, and July 31, 2019.

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Overdose deaths involving opioids have increased dramatically since the 1990s, leading to the worst drug overdose epidemic in U.S. history, but there is limited empirical evidence about the initial causes.

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Experience of the COVID-19 pandemic and support for safety-net expansion.

J Econ Behav Organ

August 2022

Autonomous University of Barcelona (UAB), Barcelona School of Economics (BSE), Tax Administration Research Center, TARC (University of Exeter) and Barcelona Institute of Economics (IEB), Spain.

Did individuals' experiences with the harms of the COVID-19 pandemic influence their attitudes towards safety-net programs? To assess this question, we combine rich information about county-level impacts and individual-level perceptions of the early pandemic, repeated measurements of attitudes towards safety-net expansion, and pre-pandemic measurements of related political attitudes. Individuals facing higher county-level impact or greater perceived risks are more likely to support long-term expansions to unemployment insurance and government-provided healthcare when surveyed in June 2020. These differences persist across time, with experiences in the early months of the pandemic remaining strongly predictive of attitudes towards safety-net expansion in early 2021.

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We performed a prospective multicenter study of T-cell receptor αβ (TCR-αβ)/CD19-depleted haploidentical hematopoietic cell transplantation (HCT) in children with acute leukemia and myelodysplastic syndrome (MDS), to determine 1-year disease-free survival (DFS) and compare 2-year outcomes with recipients of other donor cell sources. Fifty-one patients aged 0.7 to 21 years were enrolled; donors were killer immunoglobulin-like receptor (KIR) favorable based on ligand mismatch and/or high B content.

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Article Synopsis
  • A 14-member panel of neonatologists from the American Board of Pediatrics drafted a practice analysis document outlining essential knowledge and skills for board certification in Neonatal-Perinatal Medicine (NPM).
  • Feedback from NPM fellowship program directors led to revisions, refining the content to better reflect clinical practices.
  • The finalized NPM practice analysis document and content outline will aid educators, trainees, and practicing neonatologists as valuable resources.
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Background: Life engagement in the context of mental health is a broad term that describes positive health aspects relating to cognition, vitality, motivation and reward, and the ability to feel pleasure-concepts that are meaningful to patients. The aim of this systematic literature review was to identify validated patient-reported outcomes (PROs) that can assess any aspect of life engagement in adults, in the field of general mental health.

Methods: This was a systematic literature review of articles in English from the MEDLINE database (date of search: September 9, 2020).

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Major advances in biomedical imaging have occurred over the last 2 decades and now allow many physiological, cellular, and molecular processes to be imaged noninvasively in small animal models of cardiovascular disease. Many of these techniques can be also used in humans, providing pathophysiological context and helping to define the clinical relevance of the model. Ultrasound remains the most widely used approach, and dedicated high-frequency systems can obtain extremely detailed images in mice.

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Unique and joint associations of polygenic risk for major depression and opioid use disorder with endogenous opioid system function.

Neuropsychopharmacology

September 2022

Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania and Mental Illness Research, Education and Clinical Center, Crescenz VAMC, Philadelphia, PA, 19104, USA.

Article Synopsis
  • Major depressive disorder (MDD) and opioid use disorder (OUD) are common genetic disorders that often occur together and can be fatal.
  • A study with 144 healthy participants examined the relationship between genetic risk for these disorders and the behavior of the µ-opioid receptor (MOR) under stress.
  • Findings showed that MDD and OUD genetic risks were linked to how the opioid system activates during stress, particularly in females, indicating a potential pathway for combined treatment approaches.
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Neurobehavioral Dimensions of Prader Willi Syndrome: Relationships Between Sleep and Psychosis-Risk Symptoms.

Front Psychiatry

April 2022

Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA, United States.

Background: Prader Willi Syndrome (PWS) is a genetic disorder caused by the absence of expression of the paternal copies of maternally imprinted gene(s) located at 15q11-q13. While the physical and medical characteristics of PWS, including short stature, hyperphagia and endocrine dysfunction are well-characterized, systematic investigation of the long-recognized psychiatric manifestations has been recent.

Methods: Here, we report on the first remote (web-based) assessment of neurobehavioral traits, including psychosis-risk symptoms (Prodromal Questionnaire-Brief Version; PQ-B) and sleep behaviors (Pittsburgh Sleep Quality Index), in a cohort of 128 participants with PWS, of whom 48% had a paternal deletion, 36% uniparental disomy, 2.

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Background: The incidence of systemic lupus in children with discoid lupus is unknown.

Objective: This study assessed the baseline characteristics of patients with pediatric discoid lupus erythematosus (pDLE).

Methods: Medical records at 17 sites were reviewed for pediatric dermatology and rheumatology patients with discoid lupus erythematosus.

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Article Synopsis
  • * Developmental differences among these OPCs impact their reactions to damage or stress as adults, particularly when exposed to DNA-damaging agents like cisplatin.
  • * The study reveals that dorsal and ventral OPCs respond differently to injury due to their unique origins and varied activation of protective mechanisms, making them differently susceptible to issues arising from DNA damage.
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Objectives: Iberdomide is a high-affinity cereblon ligand that promotes proteasomal degradation of transcription factors Ikaros () and Aiolos (). Pharmacodynamics and pharmacokinetics of oral iberdomide were evaluated in a phase 2b study of patients with active systemic lupus erythematosus (SLE).

Methods: Adults with autoantibody-positive SLE were randomised to placebo (n=83) or once daily iberdomide 0.

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