Publications by authors named "S. Schenk"

Hemophagocytic lymphohistiocytosis (HLH) is a rare but aggressive and potentially lethal hyperinflammatory syndrome characterized by pathologic immune activation and excessive production of proinflammatory cytokines leading to tissue damage and multisystem organ failure. There is an urgent need for the discovery of novel targets and development of therapeutic strategies to treat this rare but deadly syndrome. Protein Arginine Methyltransferase 5 (PRMT5) mediates T cell-based inflammatory responses, making it a potential actionable target for the treatment of HLH.

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Background: Research about anxiety, depression and psychosis and their treatments is often reported using inconsistent language, and different aspects of the overall research may be conducted in separate silos. This leads to challenges in evidence synthesis and slows down the development of more effective interventions to prevent and treat these conditions. To address these challenges, the Global Alliance for Living Evidence on aNxiety, depressiOn and pSychosis (GALENOS) Project is conducting a series of living systematic reviews about anxiety, depression and psychosis.

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Objectives: Highly pathogenic avian influenza (HPAI) poses an occupational risk for poultry workers, responders, and others in contact with infected birds. The objective of this analysis was to describe HPAI surveillance methods and outcomes, and highlight the challenges, successes, and lessons learned during the Minnesota Department of Health's (MDH's) public health response to HPAI outbreaks in Minnesota poultry flocks in the years 2015 and 2022-2023.

Methods: During both outbreaks, MDH staff attempted to contact all potentially exposed people and conduct a standardized interview.

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Young adults' access to contraception is shifting after the June 2022 United States Supreme Court decision. This concurrent mixed-methods study measured young adults' use of and perceptions about tubal sterilization and vasectomy after the leaked opinion in May 2022. Using national-level medical claims data from IQVIA, we conducted difference-in-differences analyses of tubal sterilizations and vasectomies by age and state policy; using open-text survey responses from national MyVoice surveys in 2022 and 2023, we thematically analyzed young adults' perspectives.

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Introduction: Multiple myeloma (MM) is an uncontrolled plasma cell proliferation in the bone marrow, leading to immune dysregulation with impaired humoral immune responses. Conversely, cellular-based responses play a vital role in MM patients. However, the extent and duration of cellular-induced protection remain unclear to date.

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Augmented and virtual reality (AR and VR, respectively) are already being used or evaluated in some medical fields: however, the widespread application is still hampered by inconsistent and often confusing terminology, in particular for people who are not familiar with current developments. Additionally, the technical principles and requirements for its use are often insufficiently well known. This overview article therefore aims to clarify the most important terminology and presents the current technical state of the art, spanning from the requirements of medical imaging, through 3D models and the various forms of visualization to the interaction possibilities within VR and AR.

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Purpose: During the COVID-19 pandemic, an increase in loneliness as well as mental health issues was detected. However, research on the association between loneliness and mental disorders is sparse. The aim of this study was to examine loneliness and associated social and emotional factors in patients with a psychiatric disorder and to investigate potential predictors of loneliness.

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Since the Supreme Court decision in June 2022, emerging reports suggest that the obstetrician and gynecologist (OBGYN) workforce is moving into states without abortion bans. Using a large national administrative database, we identified OBGYNs enrolling in new states from July 2017 through June 2024. We used difference-in-differences (DID) analyses to estimate the effect of on enrollments by state abortion policy (ban vs no ban).

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Importance: Traumatic brain injury (TBI) is associated with chronic medical conditions. Evidence from diverse clinical administrative datasets may improve care delivery.

Objective: To characterize post-TBI risk of incident neuropsychiatric and medical conditions in a California health care system administrative database and validate findings from a Massachusetts dataset.

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Background: Thromboelastometry plays a key role in many transfusion algorithms. ROTEM® Sigma is the fully automated successor of ROTEM® Delta. Compatibility with current ROTEM® Delta-based algorithms remains uncertain.

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Article Synopsis
  • - The study investigated the role of various post-translational modifications of amyloid-β (Aβ) in different types of dementia, highlighting how specific Aβ variants could characterize distinct dementia forms, including Alzheimer's disease (AD) and other dementias like Lewy body dementia and vascular dementia.
  • - Researchers analyzed post-mortem brain tissues using immunohistochemical techniques and machine learning to quantify various Aβ modifications, finding that AD tissues had the highest levels of Aβ variants compared to other conditions.
  • - Notably, the isoAsp7-Aβ variant was found abundantly across all dementia types, while other modifications displayed varying distributions in plaque types and cerebral blood vessels, with some variants detected intraneuronally rather
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  • Segmentation of lung structures in medical imaging is important for diagnosing and treating diseases like cystic fibrosis, with neural networks showing better results than traditional methods, but challenges remain with different imaging types and pathologies.
  • This study used deep learning to segment MRI scans from pediatric cystic fibrosis patients, employing the nnU-Net framework and analyzing data from 165 scans across various sequences (BLADE, VIBE, HASTE). The analysis focused on patient variability in disease severity and age.
  • Results indicated high segmentation accuracy (with Dice coefficients around 0.95-0.96) and consistent performance regardless of patient differences, although some issues with segmentation completeness were noted, particularly in the diaphragm area; the model also showed
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  • Dysregulation of cytokines and their receptors can lead to serious health issues like cancer and autoimmune disorders, prompting the need for effective treatments.
  • Researchers designed specific blockers for the granulocyte-colony stimulating factor receptor (G-CSFR), which plays a role in leukemia and inflammatory diseases.
  • The engineered proteins were highly stable and effective at inhibiting G-CSFR in cancer cells, suggesting that this method could also be applied to develop treatments for other related cytokine receptors.
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Objectives: Cardiac surgery is associated with perioperative complications, some of which might be attributable to hypotension. The Hypotension Prediction Index (HPI), a machine-learning-derived early warning tool for hypotension, has only been evaluated in noncardiac surgery. We investigated whether using HPI with diagnostic guidance reduced hypotension during cardiac surgery and in the ICU.

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UV-C light is an alternative for preserving clear fruit-based drinks, replacing existing thermal treatments that degrade product quality and are ineffective against some microorganisms, including Alicyclobacillus acidoterrestris, a spoiling agent of concern in the juice sector. Texturizing agents are essential since consumers' preferences for these products strongly depend on the mouthfeel. However, the complexity of the treated texturized system may have an essential influence on UV-C effectiveness.

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Introduction: The circadian timing system regulates diurnal sleep-wake rhythm. Previously, we showed that, in patients undergoing elective surgery, sleep-wake timing is altered and post-operative sleep quality is reduced. However, how the timing of the surgical procedure affects the disturbance and what other factors affect this disturbance remain unknown.

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Resilience has been defined as the maintenance or quick recovery of mental health during and after stressor exposure. One popular operationalization of this concept is to model prototypical trajectories of mental health in response to an adverse event, where trajectories of undisturbed low or rapidly recovering symptoms both comply with the resilience definition. However, mental health responses are likely also influenced by other stressors occurring before or during the observation time window.

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The use of plant growth-promoting rhizobacteria presents a promising addition to conventional mineral fertilizer use and an alternative strategy for sustainable agricultural crop production. However, genotypic variations in the plant host may result in variability of the beneficial effects from these plant-microbe interactions. This study examined growth promotion effects of commercial vegetable crop cultivars of tomato, cucumber and broccoli following application with five rhizosphere bacteria.

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Background: The aim of this study was to substantiate the ability of noninvasive low-field magnetic resonance imaging (lfMRI) to accurately depict meniscal lesions, thereby establishing lfMRI as a viable option for the diagnosis of meniscal pathology.

Study Design: This was a prospective, controlled study.

Materials And Methods: In each of 57 stifle joints, 5 predefined lfMRI sequences using a 0.

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Background: During the COVID-19 pandemic, increased hand hygiene practices using water, soap and hand disinfectants, became prevalent, particularly among frontline workers. This study investigates the impact of these practices on the skin's ability to retain the allergenic metals nickel, cobalt, and chromium. The study constitutes three parts: (I) creating an impaired skin barrier, (II) exposing treated and untreated skin to nickel alone, and (III) in co-exposure with cobalt and chromium.

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Nicotinamide adenine dinucleotide (NAD) coenzymes are the central electron carriers in biological energy metabolism. Low NAD levels are proposed as a hallmark of ageing and several diseases, which has given rise to therapeutic strategies that aim to tackle these conditions by boosting NAD levels. As a lifestyle factor with preventive and therapeutic effects, exercise increases NAD levels across various tissues, but so far human trials are mostly focused on skeletal muscle.

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Biotic interactions are crucial for determining the structure and dynamics of communities; however, direct measurement of these interactions can be challenging in terms of time and resources, especially when numerous species are involved. Inferring species interactions from species co-occurrence patterns is increasingly being used; however, recent studies have highlighted some limitations. To our knowledge, no attempt has been made to test the accuracy of the existing methods for detecting mutualistic interactions in terrestrial ecosystems.

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Background: Gene copy number gain (CNG) is a continuous variable. The relevant cutpoint for HER2, KRAS and MET CNG in non-mall cell lung cancer remains uncertain. As de novo driver oncogenes are largely mutually exclusive, oncogene overlap analysis can be used to explore CNG thresholds.

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Background: The global migration of health professionals in general and nurses in particular, has led to nursing shortages and socioeconomic impacts on health systems in both source and destination countries. Adding to the complexity of the situation is the fact that the nursing profession itself is evolving from a vocational to an academic one. Although nursing migration and academization have been studied from either an institutional or an individual perspective, there is a gap in the literature regarding how nursing teams experience these transitions.

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Article Synopsis
  • Digital twins are virtual versions of real things that help scientists understand and predict how those things work, especially in healthcare and the study of the brain.
  • In neuroscience, digital twins can help researchers model how the brain functions, including how diseases like brain tumors affect it.
  • The ideas of a philosopher named Catherine Malabou help explain how the brain can adapt and sometimes get damaged, providing a better way to understand how digital twins can show the brain's reactions to injuries and conditions.
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