Publications by authors named "Kuhn J"

Unlabelled: Naturalistic developmental behavioral intervention (NDBI) supports early social communication skills in young autistic children. Given their emphasis on child-led learning opportunities, NDBI is thought to be a socially valid approach to autism early intervention. Applied behavior analysis (ABA) practices could be an ideal setting to increase access to NDBIs for young autistic children; however, current ABA services continue to rely primarily on structured and adult-led approaches to teaching, including discrete trial training (DTT), which have been criticized for their intensity, limitations in skill generalization, and possible harms.

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Head and neck squamous cell carcinomas (HNSCC) have an overall poor prognosis, especially in locally advanced and metastatic stages. In most cases, multimodal therapeutic approaches are required and show only limited cure rates with a high risk of tumor recurrence. Anti-PD-1 antibody treatment was recently approved for recurrent and metastatic cases but to date, response rates remain lower than 25%.

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Total sleep time (TST) misperception has been reported in obstructive sleep apnea (OSA). However, previous findings on predictors were inconsistent and predominantly relied on single-night polysomnography, which may alter patients' sleep perception. We leveraged advances in wearable sleep staging to investigate predictors of TST misperception in OSA over multiple nights in the home environment.

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Background: The robustness and persistence of vaccine antigen-induced antibodies are often used as proxy indicators of vaccine efficacy, but immune responses to vaccine vectors are typically less well-defined. Our study considered the kinetics of immunoglobulin (IgG) responses against the vector (vesicular stomatitis Indiana virus [VSIV]) nucleoprotein (N) and the inserted antigen (Ebola virus [EBOV]) glycoprotein (GP1,2) components of the rVSVΔG-ZEBOV-GP (rVSV-ZEBOV) vaccine and evaluated their use as biomarkers to confirm self-reported vaccination status.

Methods: From the Partnership for Research on Ebola Virus in Liberia (PREVAIL) I clinical trial (NCT02344407), we randomly selected 212 participants who received rVSV-ZEBOV (n=107) or placebo (n=105).

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  • Cancer survivors often deal with side effects like fatigue and reduced physical function, which regular physical activity can help alleviate.
  • A study compared a telemedicine-based exercise program for cancer survivors to a standard rehabilitation sports group, aiming to see if the telemedicine option was as effective for improving fitness and quality of life.
  • While the telemedicine program showed slight benefits in fitness and was well-received by participants, it didn't statistically prove to be non-inferior to the standard care option, highlighting the need for personalized exercise strategies for cancer survivors.
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Gilles de la Tourette Syndrome (GTS) is a chronic tic disorder, characterized by unwanted motor actions and vocalizations. While brain stimulation techniques show promise in reducing tic severity, optimal target networks are not well-defined. Here, we leverage datasets from two independent deep brain stimulation (DBS) cohorts and a cohort of tic-inducing lesions to infer critical networks for treatment and occurrence of tics by mapping stimulation sites and lesions to a functional connectome derived from 1,000 healthy participants.

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Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz

November 2024

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  • SARS-CoV-2, the virus responsible for COVID-19, has caused millions of deaths, highlighting the need to understand its emergence and how it spills over to humans.
  • A study analyzed recombination among coronaviruses, identifying 199 events with a majority occurring within species rather than between them, and found that these genomic changes predominantly affect specific regions of the virus's genome.
  • The research concluded that SARS-CoV-2 likely gained its unique features through recombination with related viruses in the same species, emphasizing the importance of understanding these processes to prevent future outbreaks.
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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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The National Institute of Mental Health created the National Database for Autism Research (NDAR) to accelerate autism knowledge through data sharing and collaboration. However, our experience using NDAR reveals systematic challenges across several aspects of data submission, selection, management, and analysis that limit utility of this resource. We describe our NDAR experience in an ongoing project examining autism intervention outcomes among marginalized racial, ethnic, and gender groups.

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  • - Lassa virus (LASV) leads to hundreds of thousands of infections in Western Africa annually, with about 20% progressing to Lassa fever, a serious disease that has a high fatality rate.
  • - Currently, there are no approved vaccines or treatments for Lassa fever, but researchers have been working on recombinant LASVs (rLASVs) that show promising results as vaccines in animal models.
  • - The new vaccine candidate, rLASV/IGR-CD, demonstrated high safety and effectiveness in guinea pigs, offering complete protection against lethal LASV exposure and advancing the development of a live-attenuated vaccine for Lassa fever.
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Interventional oncology (IO) employs various techniques to enable minimally invasive, image-guided treatment of tumor diseases with both curative and palliative goals. Additionally, it significantly contributes to managing tumor-related and perioperative complications, offering diverse supportive procedures for patients at all stages of their diseases. The execution of IO procedures places unique demands on the equipment, personnel, and structural organization of radiological clinics, necessitating specific expertise from interventional radiologists.

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  • The article outlines recent updates to virus taxonomy approved by the International Committee on Taxonomy of Viruses (ICTV) in April 2024.
  • The ICTV invited members to vote on 203 taxonomic proposals, resulting in significant additions across various levels, including one new phylum and 3,547 new species.
  • The total number of established virus species now stands at 14,690, following the ratification of proposals for species name formatting to the binomial system.
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  • Salivary gland carcinomas (SGC) are diverse with 24 subtypes, primarily treated through surgery and radiotherapy, but have a low 5-year survival rate of 20% for patients with recurrence or metastasis.
  • A study involving 55 SGC patients investigated various druggable molecular alterations using immunohistochemical staining and fluorescence in situ hybridization, finding a 54.4% prevalence of such alterations, with EGFR overexpression being the most common.
  • Targeted therapies like trastuzumab deruxtecan and pembrolizumab may offer new treatment options for patients with RM-SGC who cannot undergo salvage surgery.
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Macrophages exhibit remarkable functional plasticity, a requirement for their central role in tissue homeostasis. During chronic inflammation, macrophages acquire sustained inflammatory 'states' that contribute to disease, but there is limited understanding of the regulatory mechanisms that drive their generation. Here we describe a systematic functional genomics approach that combines genome-wide phenotypic screening in primary murine macrophages with transcriptional and cytokine profiling of genetic perturbations in primary human macrophages to uncover regulatory circuits of inflammatory states.

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  • - The study focuses on finding inhibitors that prevent the fusion of the herpes simplex virus type 1 (HSV-1) with host cell membranes, utilizing a virus-free cell culture system to model the fusion process.
  • - Researchers identified aescin, a saponin mixture, as a specific inhibitor of HSV-1 membrane fusion, achieving significant reductions in viral entry and spread in cell assays.
  • - Analytical methods revealed the main compounds present in aescin and their varying functionalities, with aescin IA showing promising inhibitory properties against HSV-1.
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Introduction: The recent advances of large language models (LLMs) have opened a wide range of opportunities, but at the same time, they pose numerous challenges and questions that research needs to answer. One of the main challenges are the quality and correctness of the output of LLMs as well as the overreliance of students on the output without critically reflecting on it. This poses the question of the quality of the output of LLMs in educational tasks and what students and teachers need to consider when using LLMs for creating educational items.

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Rationale And Objectives: To investigate factors influencing the success and complication rate of percutaneous transhepatic biliary drainage (PTBD).

Materials And Methods: PTBD procedures between 2017 and 2022 were enrolled retrospectively. Success rate, complications, and technical considerations were compared using Mann-Whitney U-, X-, and Fishers exact tests.

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Telehealth was instrumental in NC Medicaid's ability to pro-vide health care during the COVID-19 pandemic. Analyses of utilization and survey data and interviews with key Medicaid payors and providers reveal trends in beneficiary access to and utilization of services, presenting NC Medicaid with opportunities to build upon lessons learned.

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Neutralising antibodies against the SARS-CoV-2 spike (S) protein are major determinants of protective immunity, though insufficient antibody responses may cause the emergence of escape mutants. We studied the humoral immune response causing intra-host evolution in a B-cell depleted, haemato-oncologic patient experiencing clinically severe, prolonged SARS-CoV-2 infection with a virus of lineage B.1.

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  • rVSVΔG-ZEBOV-GP is a vaccine that helps protect people from the Ebola virus and is the first one to be officially approved for this purpose.
  • This study wanted to see how well a booster shot given 18 months after the first vaccine dose helped keep the immune response strong for a longer time.
  • Healthy adults who might be at risk of exposure to Ebola participated in the trial, and the results measured their antibody levels 36 months after the first vaccination to compare those who got the booster with those who did not.
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ADP-ribosylation is a highly dynamic and fully reversible post-translational modification performed by poly(ADP-ribose) polymerases (PARPs) that modulates protein function, abundance, localization and turnover. Here we show that influenza A virus infection causes a rapid and dramatic upregulation of global ADP-ribosylation that inhibits viral replication. Mass spectrometry defined for the first time the global ADP-ribosylome during infection, creating an infection-specific profile with almost 4,300 modification sites on ~1,080 host proteins, as well as over 100 modification sites on viral proteins.

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