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Search: WFRF:(Daniel Maria) > University of Skövde

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1.
  • Di Feo, Maria Francesca, et al. (author)
  • Inferring disease course from differential exon usage in the wide titinopathy spectrum
  • 2024
  • In: Annals of Clinical and Translational Neurology. - : John Wiley & Sons. - 2328-9503.
  • Journal article (peer-reviewed)abstract
    • Objective: Biallelic titin truncating variants (TTNtv) have been associated with a wide phenotypic spectrum, ranging from complex prenatal muscle diseases with dysmorphic features to adult-onset limb-girdle muscular dystrophy, with or without cardiac involvement. Given the size and complexity of TTN, reaching an unequivocal molecular diagnosis and precise disease prognosis remains challenging. Methods: In this case series, 12 unpublished cases and one already published case with biallelic TTNtv were collected from multiple international medical centers between November 2022 and September 2023. TTN mutations were detected through exome or genome sequencing. Information about familial and personal clinical history was collected in a standardized form. RNA-sequencing and analysis of TTN exon usage were performed on an internal sample cohort including postnatal skeletal muscles, fetal skeletal muscles, postnatal heart muscles, and fetal heart muscles. In addition, publicly available RNA-sequencing data was retrieved from ENCODE. Results: We generated new RNA-seq data on TTN exons and identified genotype–phenotype correlations with prognostic implications for each titinopathy patient (whether worsening or improving in prenatal and postnatal life) using percentage spliced in (PSI) data for the involved exons. Interestingly, thanks to exon usage, we were also able to rule out a titinopathy diagnosis in one prenatal case. Interpretation: This study demonstrates that exon usage provides valuable insights for a more exhaustive clinical interpretation of TTNtv; additionally, it may serve as a model for implementing personalized medicine in many other genetic diseases, since most genes undergo alternative splicing. 
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2.
  • Beauxis-Aussalet, Emma, et al. (author)
  • The Role of Interactive Visualization in Fostering Trust in AI
  • 2021
  • In: IEEE Computer Graphics and Applications. - : IEEE. - 0272-1716 .- 1558-1756. ; 41:6, s. 7-12
  • Journal article (peer-reviewed)abstract
    • The increasing use of artificial intelligence (AI) technologies across application domains has prompted our society to pay closer attention to AI's trustworthiness, fairness, interpretability, and accountability. In order to foster trust in AI, it is important to consider the potential of interactive visualization, and how such visualizations help build trust in AI systems. This manifesto discusses the relevance of interactive visualizations and makes the following four claims: i) trust is not a technical problem, ii) trust is dynamic, iii) visualization cannot address all aspects of trust, and iv) visualization is crucial for human agency in AI.
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3.
  • Blomé, Mikael, et al. (author)
  • Visualisation of Human Characteristics in Vehicle and Health Care Product Development
  • 2007
  • In: SIGRAD 2007 Conference Proceedings. - Linköping : Linköping University Electronic Press. - 1650-3686. - 9789173939904 ; , s. 31-34
  • Conference paper (peer-reviewed)abstract
    • The purpose of the research project described in this paper is to improve the efficiency of product development processes by exchanging knowledge and experiences about user centred design methods and technologies between the two branches: vehicle and health care industries. The health care industry can benefit from visualisation and simulation tools that include computer manikins, a physical representation of the human, and the vehicle industry can benefit from manikins having personal characteristics, which has proven to be successful in the health care industry.
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4.
  • Fioretto, Paola, et al. (author)
  • Efficacy and safety of dapagliflozin in patients with type 2 diabetes and moderate renal impairment (chronic kidney disease stage 3A) : The DERIVE Study
  • 2018
  • In: Diabetes, obesity and metabolism. - : Wiley-Blackwell Publishing Inc.. - 1462-8902 .- 1463-1326. ; 20:11, s. 2532-2540
  • Journal article (peer-reviewed)abstract
    • Aims: Dapagliflozin is a selective inhibitor of sodium glucose co-transporter 2 (SGLT2). This study assessed the efficacy and safety of dapagliflozin 10 mg vs placebo in patients with type 2 diabetes (T2D) and moderate renal impairment (estimated glomerular filtration rate [eGFR], 45-59 mL/min/1.73 m(2); chronic kidney disease [CKD] stage 3A). Materials and methods: In this double-blind, parallel group, Phase 3 study (NCT02413398, ) patients with inadequately controlled T2D (HbA1c 7.0%-11.0%) were randomized (1:1) to dapagliflozin 10 mg once daily (N = 160) or matching placebo (N = 161) for 24 weeks. Randomization was stratified by pre-enrolment glucose-lowering therapy. The primary endpoint was change from baseline in HbA1c at Week 24. Results: At Week 24, compared with placebo, dapagliflozin significantly decreased HbA1c (difference [95% CI], -0.34% [-0.53, -0.15]; P < 0.001), body weight (difference [95% CI], -1.25 kg [-1.90, -0.59]; P < 0.001), fasting plasma glucose (difference [95% CI], -0.9 mmol/L [-1.5, -0.4]; P = 0.001) and systolic blood pressure (difference [95% CI], -3.1 mmHg [-6.3, 0.0]; P < 0.05). Decreases from baseline in eGFR were greater with dapagliflozin than placebo at Week 24 (-2.49 mL/min/1.73 m(2) [-4.96, -0.02]), however, eGFR returned to baseline levels at Week 27 (3 weeks post-treatment) (0.61 mL/min/1.73 m(2) [-1.59, 2.81]). No increase in adverse events (AEs; 41.9% vs 47.8%) or serious AEs (5.6% vs 8.7%) were reported with dapagliflozin versus placebo. No AEs of bone fractures, amputations or DKA were reported. Conclusions: The findings of this study (NCT02413398, ) support the positive benefit/risk profile of dapagliflozin for the treatment of patients with T2D and CKD 3A.
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5.
  • Hanson, Lars, et al. (author)
  • Application of Human Modelling in Health Care Industry
  • 2009
  • In: Digital Human Modeling. - Berlin, Heidelberg : Springer Berlin/Heidelberg. - 0302-9743 .- 1611-3349. - 9783642028083 - 9783642028090 - 364202808X ; , s. 521-530
  • Conference paper (peer-reviewed)abstract
    • Digital human modelling (DHM) is commonly utilised for vehicle and workplace design in the automotive industry. More rarely are the tools applied in the health care industry, albeit having similar objectives for cost-efficiency and user-centred design processes. The paper illustrates how a DHM tool is modified and utilised to evaluate a bathing system design from caretakers' and caregivers' ergonomics point of view. Anthropometry, joint range of motion, description and appearance of the manikin was customised to meet the requirements in a health care setting. Furthermore, a preferred bathing posture was defined. A suggested DHM working process scenario illustrates that DHM tools can be customised, applied and useful in health care product design. Except technical customisations of the DHM tool, the development of a working process and work organisation around the tool is proposed for an effective and efficient use of digital human modelling.
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6.
  • Högberg, Dan, et al. (author)
  • Increasing Functionality of DHM Software by Industry Specific Program Features
  • 2009
  • Conference paper (peer-reviewed)abstract
    • This paper illustrates how Digital Human Modeling (DHM) tool functionality can be increased through the development of industry specific features. The features are based on a design tool, the Mobility Gallery, established by the cooperating health care company. Each resident in the Mobility Gallery has different levels of functional mobility and is described with different personal characteristics as well as background details. The integration of the resident descriptions in a commercial DHM tool is presented and discussed. The rationale for this approach is that the synthesis of DHM tool functionality and the Mobility Gallery descriptions will render a DHM tool with features offering augmented applicability for product design in a health care setting.
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7.
  • Högberg, Dan, et al. (author)
  • Representing the elderly in digital human modelling
  • 2008
  • In: The 40th annual Nordic Ergonomic Society Conference, NES 2008, Reykjavík, Iceland, August 11-13.. - Kópavogur : Vinnuvistfræðifélag Íslands.
  • Conference paper (peer-reviewed)abstract
    • Digital human modelling (DHM) tools have been introduced in industry, mainly in automotive, aerospace and industrial engineering, to facilitate a proactive and efficient consideration of ergonomics in the design process. The employment of DHM tools in the health care sector calls for customisation work to be carried out in order to make the tools fit the design activities. The human model, i.e. the computer manikin, needs to be modified since it has the characteristics and appearance of an able healthy young or middle-aged human, but the resident or patient is frequently an elderly person with impairments of some kind. This paper suggests concepts and structures for assigning the computer manikins characteristics of the elderly. These changes are made by the modification of anthropometric and joint range of motion data in the DHM tool, and by assigning narrative descriptions to themanikins and more age-corresponding appearances. The objective is to define a manageable number of representative manikins that will support a proactive and user-centred design process in the health care industry, and in other types of design processes for the elderly, or in an inclusive design context.
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8.
  • Labori, Knut Jørgen, et al. (author)
  • Neoadjuvant FOLFIRINOX versus upfront surgery for resectable pancreatic head cancer (NORPACT-1) : a multicentre, randomised, phase 2 trial
  • 2024
  • In: The Lancet Gastroenterology & Hepatology. - : The Lancet Group. - 2468-1253. ; 9:3, s. 205-217
  • Journal article (peer-reviewed)abstract
    • BackgroundIn patients undergoing resection for pancreatic cancer, adjuvant modified fluorouracil, leucovorin, irinotecan, and oxaliplatin (FOLFIRINOX) improves overall survival compared with alternative chemotherapy regimens. We aimed to compare the efficacy and safety of neoadjuvant FOLFIRINOX with the standard strategy of upfront surgery in patients with resectable pancreatic ductal adenocarcinoma.MethodsNORPACT-1 was a multicentre, randomised, phase 2 trial done in 12 hospitals in Denmark, Finland, Norway, and Sweden. Eligible patients were aged 18 years or older, with a WHO performance status of 0 or 1, and had a resectable tumour of the pancreatic head radiologically strongly suspected to be pancreatic adenocarcinoma. Participants were randomly assigned (3:2 before October, 2018, and 1:1 after) to the neoadjuvant FOLFIRINOX group or upfront surgery group. Patients in the neoadjuvant FOLFIRINOX group received four neoadjuvant cycles of FOLFIRINOX (oxaliplatin 85 mg/m2, irinotecan 180 mg/m2, leucovorin 400 mg/m2, and fluorouracil 400 mg/m2 bolus then 2400 mg/m2 over 46 h on day 1 of each 14-day cycle), followed by surgery and adjuvant chemotherapy. Patients in the upfront surgery group underwent surgery and then received adjuvant chemotherapy. Initially, adjuvant chemotherapy was gemcitabine plus capecitabine (gemcitabine 1000 mg/m2 over 30 min on days 1, 8, and 15 of each 28-day cycle and capecitabine 830 mg/m2 twice daily for 3 weeks with 1 week of rest in each 28-day cycle; four cycles in the neoadjuvant FOLFIRINOX group, six cycles in the upfront surgery group). A protocol amendment was subsequently made to permit use of adjuvant modified FOLFIRINOX (oxaliplatin 85 mg/m2, irinotecan 150 mg/m2, leucovorin 400 mg/m2, and fluorouracil 2400 mg/m2 over 46 h on day 1 of each 14-day cycle; eight cycles in the neoadjuvant FOLFIRINOX group, 12 cycles in the upfront surgery group). Randomisation was performed with a computerised algorithm that stratified for each participating centre and used a concealed block size of two to six. Patients, investigators, and study team members were not masked to treatment allocation. The primary endpoint was overall survival at 18 months. Analyses were done in the intention-to-treat (ITT) and per-protocol populations. Safety was assessed in all patients who were randomly assigned and received at least one cycle of neoadjuvant or adjuvant therapy. This trial is registered with ClinicalTrials.gov, NCT02919787, and EudraCT, 2015-001635-21, and is ongoing.FindingsBetween Feb 8, 2017, and April 21, 2021, 77 patients were randomly assigned to receive neoadjuvant FOLFIRINOX and 63 to undergo upfront surgery. All patients were included in the ITT analysis. For the per-protocol analysis, 17 (22%) patients were excluded from the neoadjuvant FOLFIRINOX group (ten did not receive neoadjuvant therapy, four did not have pancreatic ductal adenocarcinoma, and three received another neoadjuvant regimen), and eight (13%) were excluded from the upfront surgery group (seven did not have pancreatic ductal adenocarcinoma and one did not undergo surgical exploration). 61 (79%) of 77 patients in the neoadjuvant FOLFIRINOX group received neoadjuvant therapy. The proportion of patients alive at 18 months by ITT was 60% (95% CI 49–71) in the neoadjuvant FOLFIRINOX group versus 73% (62–84) in the upfront surgery group (p=0·032), and median overall survival by ITT was 25·1 months (95% CI 17·2–34·9) versus 38·5 months (27·6–not reached; hazard ratio [HR] 1·52 [95% CI 1·00–2·33], log-rank p=0·050). The proportion of patients alive at 18 months in per-protocol analysis was 57% (95% CI 46–67) in the neoadjuvant FOLFIRINOX group versus 70% (55–83) in the upfront surgery group (p=0·14), and median overall survival in per-protocol population was 23·0 months (95% CI 16·2–34·9) versus 34·4 months (19·4–not reached; HR 1·46 [95% CI 0·99–2·17], log-rank p=0·058). In the safety population, 42 (58%) of 73 patients in the neoadjuvant FOLFIRINOX group and 19 (40%) of 47 patients in the upfront surgery group had at least one grade 3 or worse adverse event. 63 (82%) of 77 patients in the neoadjuvant group and 56 (89%) of 63 patients in the upfront surgery group had resection (p=0·24). One sudden death of unknown cause and one COVID-19-related death occurred after the first cycle of neoadjuvant FOLFIRINOX. Adjuvant chemotherapy was initiated in 51 (86%) of 59 patients with resected pancreatic ductal adenocarcinoma in the neoadjuvant FOLFIRINOX group and 44 (90%) of 49 patients with resected pancreatic ductal adenocarcinoma in the upfront surgery group (p=0·56). Adjuvant modified FOLFIRINOX was given to 13 (25%) patients in the neoadjuvant FOLFIRINOX group and 19 (43%) patients in the upfront surgery group. During adjuvant chemotherapy, neutropenia (11 [22%] patients in the neoadjuvant FOLFIRINOX group and five [11%] in the upfront surgery group) was the most common grade 3 or worse adverse event.InterpretationThis phase 2 trial did not show a survival benefit from neoadjuvant FOLFIRINOX in resectable pancreatic ductal adenocarcinoma compared with upfront surgery. Implementation of neoadjuvant FOLFIRINOX was challenging. Future trials on treatment sequencing in resectable pancreatic ductal adenocarcinoma should be biomarker driven.
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9.
  • Manti, Maria, et al. (author)
  • Maternal androgen excess induces cardiac hypertrophy and left ventricular dysfunction in female mice offspring.
  • 2020
  • In: Cardiovascular research. - : Oxford University Press (OUP). - 1755-3245 .- 0008-6363. ; 116:3, s. 619-632
  • Journal article (peer-reviewed)abstract
    • Polycystic ovary syndrome (PCOS) is a common endocrinopathy that is suggested to increase the risk for cardiovascular disease. How PCOS may lead to adverse cardiac outcomes is unclear and here we hypothesized that prenatal exposure to dihydrotestosterone (DHT) and/or maternal obesity in mice induce adverse metabolic and cardiac programming in female offspring that resemble the reproductive features of the syndrome.The maternal obese PCOS phenotype was induced in mice by chronic high-fat-high-sucrose consumption together with prenatal DHT exposure. The prenatally androgenized (PNA) female offspring displayed cardiac hypertrophy during adulthood, an outcome that was not accompanied by aberrant metabolic profile. The expression of key genes involved in cardiac hypertrophy was up-regulated in the PNA offspring, with limited or no impact of maternal obesity. Furthermore, the activity of NADPH oxidase, a major source of reactive oxygen species in the cardiovascular system, was down-regulated in the PNA offspring heart. We next explored for early transcriptional changes in the heart of newly born PNA offspring, which could account for the long-lasting changes observed in adulthood. Neonatal PNA hearts displayed an up-regulation of transcription factors involved in cardiac hypertrophic remodelling and of the calcium-handling gene, Slc8a2. Finally, to determine the specific role of androgens in cardiovascular function, female mice were continuously exposed to DHT from pre-puberty to adulthood, with or without the antiandrogen flutamide. Continuous exposure to DHT led to adverse left ventricular remodelling, and increased vasocontractile responses, while treatment with flutamide partly alleviated these effects.Taken together, our results indicate that intrauterine androgen exposure programmes long-lasting heart remodelling in female mouse offspring that is linked to left ventricular hypertrophy and highlight the potential risk of developing cardiac dysfunction in daughters of mothers with PCOS.
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