Publications by authors named "Maria Madsen"

The transcription factor MYC is overexpressed in most cancers, where it drives multiple hallmarks of cancer progression. MYC is known to promote oncogenic transcription by binding to active promoters. In addition, MYC has also been shown to invade distal enhancers when expressed at oncogenic levels, but this enhancer binding has been proposed to have low gene-regulatory potential.

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Purpose: To present 1-year results after all paediatric anterior cruciate ligament (ACL) reconstructions in Denmark (5.9 M inhabitants) for the 10½ year period, 1 July 2011 to 31 December 2021.

Methods: All children who had an ACL reconstruction were enrolled.

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Background: Pedi-IKDC is commonly used to evaluate anterior cruciate ligament (ACL) deficiency in children. However, its construct validity has not been thoroughly assessed. The aim was to examine the measurement properties of the Pediatric International Knee Documentation Committee (Pedi-IKDC) by modern test theory (MTT) models, confirmatory factor analysis (CFA), and item response theory (IRT).

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Peroxisome proliferator-activated receptor γ (PPARγ) is the master regulator of adipocyte differentiation, and mutations that interfere with its function cause lipodystrophy. PPARγ is a highly modular protein, and structural studies indicate that PPARγ domains engage in several intra- and inter-molecular interactions. How these interactions modulate PPARγ's ability to activate target genes in a cellular context is currently poorly understood.

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Background And Rationale: Obesity is associated with the development and progression of many diseases. Understanding and management of obesity have become increasingly important; however, a knowledge gap remains between how healthcare providers (HCPs) consider weight-loss treatment and the importance of weight loss for improving obesity-related diseases.

Objective: The objective of this study was to investigate how HCPs assess obesity, how they interpret the relationship between obesity and 12 recognized co-morbidities of obesity (excluding diabetes), and their view about the value of various weight-loss therapies.

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To estimate the cost of illness in adult patients with moderate-to-severe atopic dermatitis (AD) a cohort study was conducted identifying Danish citizens (≥ 18 years) diagnosed with AD between 1997 and 2018 in the Danish National Patient Register. Moderate-to-severe AD was defined as ≥3 hospital contacts regarding AD the first year after  diagnosis. Each patient with AD was matched to 3 reference individuals through the Central Person Registry.

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Excess weight is associated with severe outcomes of coronavirus disease 2019 (COVID-19). We aimed to estimate the total secondary care costs by body mass index (BMI, kg/m ) category when hospitalized due to COVID-19 in Europe during the first wave of the pandemic from January to June 2020. Building a health-care cost model, this study aimed to estimate the total costs of COVID-19.

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Objective: Diabetes is associated with progression to severe COVID-19. The objective of this study was to estimate to what extent the increased risk among people with diabetes could impact the secondary care costs of COVID-19 throughout Europe during the first wave of the COVID-19 pandemic from January to June 2020.

Methods: Applying a health care cost model based on inputs from data published in international peer-reviewed journals, identified via a rapid literature review this study aimed to estimate the total secondary sector costs of COVID-19.

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Article Synopsis
  • Adipocyte differentiation involves changes in enhancer interactions and transcription regulation, which alter the enhancer landscape and promoter connections in cells.
  • High-throughput technology reveals that enhancers create a dynamic network that changes during stem cell differentiation and affects their activity.
  • Highly interconnected enhancers (HICE) serve as central hubs, coordinating the gene expression necessary for differentiation by forming three-dimensional communities with other enhancers.
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Objective: To describe fatigue in relation to disease-specific and socioeconomic factors and to test possible correlations between fatigue and work impairment, quality of life, pain, sleep, depression, and physical functioning in people with rheumatoid arthritis (RA), psoriatic arthritis (PsA) and axial spondyloarthritis (axSpA).

Methods: A questionnaire-based cross-sectional survey collecting patient characteristics such as disease characteristics, socioeconomic factors and patient-reported outcomes (PROs) from patients with RA, PsA and axSpA in Denmark. PRO scales included the FACIT-Fatigue sub-scale, Work Productivity and Activity Impairment scale (WPAI), EuroQol (EQ-5D), Medical Outcomes Study Sleep Scale (MOS), Major Depression Inventory (MDI), and Health Assessment Questionnaire (HAQ).

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End-of-life tyre (ELT)-derived rubber granules are used as synthetic turf infill on sports fields. They contain various chemical substances and there are concerns that exposure to these substances might be harmful for human health. This Europe-wide risk assessment study addresses these concerns.

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Background: Standardized mindfulness training courses involve significant at-home assignments of meditation practice. Participants' self-reported completion of these assignments has been correlated with treatment outcomes, but self-reported data are often incomplete and potentially biased. In addition, mindfulness teachers typically suggest that participants set aside a regular practice time, preferably in the morning, but the extent to which participants do this has not been empirically examined.

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The posttranslational modification of proteins by arginine methylation is functionally important, yet the breadth of this modification is not well characterized. Using high-resolution mass spectrometry, we identified 8030 arginine methylation sites within 3300 human proteins in human embryonic kidney 293 cells, indicating that the occurrence of this modification is comparable to phosphorylation and ubiquitylation. A site-level conservation analysis revealed that arginine methylation sites are less evolutionarily conserved compared to arginines that were not identified as modified by methylation.

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Glucose is an important inducer of insulin secretion, but it also stimulates long-term adaptive changes in gene expression that can either promote or antagonize the proliferative potential and function of β cells. Here, we have generated time-resolved profiles of enhancer and transcriptional activity in response to glucose in the INS-1E pancreatic β cell line. Our data outline a biphasic response with a first transcriptional wave during which metabolic genes are activated, and a second wave where cell-cycle genes are activated and β cell identity genes are repressed.

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Peroxisome proliferator-activated receptor γ (PPARγ) and CCAAT/enhancer binding protein α (C/EBPα) are key activators of adipogenesis. They mutually induce the expression of each other and have been reported to cooperate in activation of a few adipocyte genes. Recently, genome-wide profiling revealed a high degree of overlap between PPARγ and C/EBPα binding in adipocytes, suggesting that cooperativeness could be mediated through common binding sites.

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This chapter gives an educational overview of: * The purpose of health information systems (HIS). * The characteristics of health information systems for the future. * System interoperability as an essential feature in a modern HIS.

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This chapter gives an educational overview of: 1. The significance of having a formal ontology of health care data 2. How openEHR has used an ontological approach to designing an electronic health record 3.

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This chapter gives an educational overview of: * The difference between informal and formal ontologies * The primary objectives of ontology design, re-use, extensibility, and interoperability * How formal ontologies can be used to map terminologies and classification systems * How formal ontologies improve semantic interoperability * The relationship between a well-formed ontology and the development of intelligent decision support.

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Knowledge and information modeling.

Stud Health Technol Inform

June 2010

This chapter gives an educational overview of: * commonly used modelling methods what they represent * the importance of selecting the tools and methods suited to the health information system being designed * how the quality of the information or knowledge model is determined by the quality of the system requirements specification * differentiating between the purpose of information models and knowledge models * the benefits of the openEHR approach for health care data modeling.

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Uncoupling Proteins (UCPs) are integral ion channels residing in the inner mitochondrial membrane. UCP2 is ubiquitously expressed, while UCP3 is found primarily in muscles and adipose tissue. Although the exact molecular mechanism of action is controversial, it is generally agreed that both homologues function to facilitate mitochondrial fatty acid oxidation.

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Article Synopsis
  • The Mediator subunit MED1 was previously thought to be essential for PPARgamma's interaction with target gene promoters, but recent studies show PPARgamma can activate genes independently of MED1.
  • A study found that recruitment of various key proteins involved in gene activation occurs at the Fabp4 gene's enhancer and promoter without MED1's involvement, pointing to MED14 as a crucial component instead.
  • MED14 interacts with PPARgamma and is necessary for its transcriptional activity, as its knockdown negatively impacts the ability of cells to undergo adipogenesis.
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