32,218 results match your criteria: "§University of Maryland School of Medicine[Affiliation]"

rVSVΔG-ZEBOV-GP and Ad26.ZEBOV, MVA-BN-Filo are WHO-prequalified vaccination regimens against Ebola virus disease (EVD). Challenges associated with measuring long-term clinical protection warrant the evaluation of immune response kinetics after vaccination.

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  • SARS-CoV-2, responsible for COVID-19, has caused over 7 million deaths worldwide since its emergence, leading to trials of treatments like the anti-IL6 inhibitor tocilizumab, which failed to significantly improve survival rates.
  • Researchers isolated extracellular vesicles (EVs) from 39 severe COVID-19 patients to explore their potential as biomarkers, finding that specific viral proteins (spike and nucleocapsid) were dynamic in expression during treatment and recovery.
  • The study suggests that the changing levels of EV viral proteins could correlate with clinical outcomes, indicating that EVs might help identify long COVID and other complications in patients with severe cases.
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  • Fibroblastic reticular cells (FRCs) are crucial for maintaining the structure and function of secondary lymphoid tissues and help modulate immune responses in the lymphoid microenvironment.
  • In response to immune challenges like infections or autoimmune diseases, FRCs undergo metabolic reprogramming that alters their functions through the regulation of metabolic pathways and enzymes.
  • This review details how FRCs adapt their activities, such as cell growth and cytokine production, to support immune system needs and maintain immune balance under different physiological conditions.
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Achieving equitable health in epilepsy requires addressing systemic barriers and social determinants of health to ensure that every person with epilepsy has the opportunity to attain their highest level of health. We review the literature on disparities that affect several minoritized groups living with epilepsy. Early solutions with the potential for modeling towards replication for low socioeconomic status population, non-English language preference communities, sexual and gender minorities, and rural and underserved communities with high social determinants of health burden are shared as examples to catalyze stakeholder investment in identifying and addressing health disparities across the spectrum of epilepsy at both the provider and health systems level.

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  • Recent research challenges the traditional view that decompression sickness (DCS) is solely linked to nitrogen bubbles in the body, as bubble presence doesn't always match DCS severity.
  • The study tested how different gas pressures affected immune responses in human lung-on-a-chip models, focusing on immune cell reactions under pressurized conditions.
  • Findings indicate that heightened levels of oxygen and nitrogen can trigger significant immune activation within just one hour, implying that immune reactions at high pressure may play a role in developing DCS.
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Lemierre Syndrome involving (Formerly ) due to injection drug use into the neck.

IDCases

October 2024

Department of Medicine, Division of Infectious Disease, 655 W Baltimore St S, Baltimore, MD 21201, United States.

Lemierre Syndrome, septic thrombophlebitis of the internal jugular vein following oropharyngeal infection, is classically caused by and associated with septic emboli. We present a case of Lemierre Syndrome involving (formerly ) in the setting of injection drug use. A 46-year-old man presented with right neck swelling and abscess with as the primary bacterium isolated from the abscess culture, which was introduced to the site when the patient had licked his needle and injected illicit drugs into his neck.

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Cellular component transfer between photoreceptor cells of the retina.

Prog Retin Eye Res

January 2025

Wilmer Eye Institute, Johns Hopkins Hospital, Baltimore, MD, USA; Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA. Electronic address:

Photoreceptor transplantation is a potential therapeutic strategy for degenerative retinal diseases. Studies on mechanisms contributing to retinal regeneration and vision repair identified cellular components transfer (CCT) as playing a role, in addition to somatic augmentation (referred to as "cell replacement" in this paper). In CCT, donor photoreceptors shuttle proteins, RNA, and mitochondria to host photoreceptors through intercellular connections.

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The Invasive Cardiopulmonary Exercise Test: A Practical Guide.

Heart Fail Clin

January 2025

Department of Medicine, University of Maryland School of Medicine, 6116 Executive Boulevard, North Bethesda, MD 20852, USA; The University of Maryland-Institute for Health Computing, Baltimore, MD, USA.

The invasive cardiopulmonary exercise test (iCPET) provides a comprehensive, simultaneous evaluation of an individual's cardiovascular, respiratory, and metabolic response to exercise. The test is uniquely suited for the evaluation of exercise intolerance, as well as the deep phenotyping of disease states including pulmonary arterial hypertension and post-coronavirus disease symptomatology. Despite an expanding list of clinical and research applications, both the complexity of the test and a lack of familiarity with how the test is performed have been barriers to the widespread use of iCPET.

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The transplantation of human organoid-derived retinal cells is being studied as a potentially viable strategy to treat vision loss due to retinal degeneration. Experiments in animal models have demonstrated the feasibility of organoid-derived photoreceptor transplantation in various recipient contexts. In some cases, vision repair has been shown.

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Falls are a significant health risk in older adults, and forward and backward falls each account for more than 40 % of falls. Dynamic stability, limb support, and impact energy absorption are crucial balance regulatory components and likely vary with the direction of imbalance. Understanding how perturbation direction influences these key components of balance stability regulation is crucial.

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Trajectories of antidepressant use after tamoxifen initiation among young and middle-aged women with breast cancer.

Breast Cancer Res Treat

November 2024

Department of Practice, Sciences, and Health Outcomes Research, School of Pharmacy, University of Maryland Baltimore, 220 N Arch Street- 12th Floor, Baltimore, MD, 21201, USA.

Purpose: Antidepressant treatment patterns may change after women with breast cancer (BC) initiate tamoxifen, potentially impacting health outcomes. We characterized trajectories of antidepressant use after initiating tamoxifen among young and middle-aged women with BC, identifying risk factors for trajectory group membership.

Methods: A retrospective cohort included women 18-64 years-old with BC and antidepressant treatment history who received a new tamoxifen dispensing (index date).

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Introduction: As part of a laboratory strengthening program in Malawi to achieve and maintain International Organization for Standardization (ISO) 15189 accreditation, we intended to mentor selected HIV molecular laboratories to achieve this accreditation. Due to the COVID-19 pandemic, mentorship pivoted to a hybrid model using an Internet-based approach and on-site mentorships. We describe the implementation of this strategy, successes, and challenges.

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Same rule, different genes: is a pair-rule gene in the milkweed bug .

Sci Adv

November 2024

Department of Entomology, University of Maryland, 4291 Fieldhouse Dr., College Park, MD 20742, USA.

Morphological features of organismal body plans are often highly conserved within large taxa. For example, segmentation is a shared and defining feature of all insects. Screens in identified genes responsible for the development of body segments, including the "pair-rule" genes (PRGs), which subdivide embryos into double-segment units in a previously unexpected pre-patterning step.

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Protein phosphatase 2A inhibitors: a possible pharmacotherapy for benzodiazepine dependence.

J Pharm Pharmacol

November 2024

Laboratory of Drug Addiction and Experimental Therapeutics, Department of Pharmacy, School of Pharmacy, Hyogo Medical University, Kobe 650-8530, Japan.

Objectives: Benzodiazepines (BZDs) activate the γ-aminobutyric acid (GABA) subtype A (GABAA) receptors, and thus are widely used medicines for the treatment of anxiety and insomnia. For chronic use, tolerance to BZDs is a major problem. Patients with chronic insomnia that develop tolerance to BZDs lose therapeutic effects but also potentially suffer from BZD dependence resulting in BZD withdrawal.

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  • Atopic dermatitis (AD) significantly affects patients' quality of life, causing itching, skin pain, and sleep disturbances; ruxolitinib cream has shown effectiveness in treating these symptoms in adults and adolescents through two phase III clinical trials.
  • In the TRuE-AD studies, patients applied different strengths of ruxolitinib cream or a vehicle cream, with results indicating that those using ruxolitinib experienced quick relief from symptoms like skin pain and sleep issues within hours or weeks of application.
  • Analysis of patient-reported outcomes revealed notable improvements in overall quality of life and symptom burden after two weeks of using ruxolitinib cream compared to the vehicle, with sustained benefits observed throughout the study periods.
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  • A study aimed to compare attrition rates between male and female emergency medicine physicians 10 to 30 years after residency, focusing on potential gender-related differences in career paths.
  • Researchers tracked a cohort of graduates from emergency medicine residency programs, gathering data on employment, practice locations, and whether they continued in clinical emergency medicine or subspecialties.
  • Results showed that attrition rates were slightly higher for women (5.8%) compared to men (5.3%), though the overall rates were relatively low.
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While surgical resection is a mainstay of cancer treatment, many tumors are unresectable due to stage, location, or comorbidities. Ablative therapies, which cause local destruction of tumors, are effective alternatives to surgical excision in several settings. Ethanol ablation is one such ablative treatment modality in which ethanol is directly injected into tumor nodules.

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Improving CT scan for lung cancer diagnosis with an integromic signature.

J Biol Methods

September 2024

Department of Pathology, University of Maryland School of Medicine, 10 S. Pine St. Baltimore, MD, United States of America.

Lung cancer is the leading cause of cancer-related mortality globally, making early detection crucial for reducing death rates. Low-dose computed tomography (LDCT) screening helps detect lung cancer early but often identifies indeterminate pulmonary nodules (PNs), leading to potential overtreatment. This study aimed to develop a diagnostic test that accurately differentiates malignant from benign PNs detected on LDCT scans by analyzing non-coding RNAs, DNA methylation, and bacterial DNA in patient samples.

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  • P. falciparum is a major health concern, particularly in sub-Saharan Africa, contributing to 99% of malaria infections, with symptoms ranging from asymptomatic to severe based on various factors like host immunity and genetic diversity.
  • A study conducted on 225 malaria patients in Uganda utilized seven microsatellite markers to analyze the genetic diversity and multiplicity of infection (MOI) in P. falciparum infections among asymptomatic and symptomatic individuals.
  • Results showed high genetic diversity in both groups, with no significant difference in MOI, indicating a prevalence of polyclonal infections, and notable linkage disequilibrium between different infection types, while genetic differentiation among parasite populations was low.
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Background: Pulmonary arterial hypertension (PAH) is a severe disease characterized by elevated blood pressure in the pulmonary artery that can ultimately damage the right ventricle of the heart. PAH is pathophysiologically heterogeneous, which makes early diagnosis and treatment difficult. Inflammation is thought to be an important factor in the development and progression of this disease and may explain some of the observed interindividual differences.

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The LAVA Study: A Prospective, Multicenter, Single-Arm Study of a Liquid Embolic System for Treatment of Peripheral Arterial Hemorrhage.

J Vasc Interv Radiol

November 2024

Department of Radiology and Medical Imaging, Division of Interventional Radiology, University of Virginia, Charlottesville, Virginia.

Purpose: To present the results of the Liquid Embolization of Arterial Hemorrhages in Peripheral Vasculature (LAVA) study evaluating safety and effectiveness of Lava Liquid Embolic System, an ethylene vinyl alcohol (EVOH), for peripheral arterial hemorrhage (PAH).

Materials And Methods: LAVA was a pivotal, prospective, multicenter, single-group, centrally adjudicated study of adults with active PAH. Patients received EVOH at 1 of 2 viscosities, administered by experienced physicians.

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