| 1. |
- Manry, Jérémy, et al.
(author)
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The risk of COVID-19 death is much greater and age dependent with type I IFN autoantibodies.
- 2022
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In: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 1091-6490. ; 119:21
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Journal article (peer-reviewed)abstract
- Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection fatality rate (IFR) doubles with every 5 y of age from childhood onward. Circulating autoantibodies neutralizing IFN-α, IFN-ω, and/or IFN-β are found in ∼20% of deceased patients across age groups, and in ∼1% of individuals aged <70 y and in >4% of those >70 y old in the general population. With a sample of 1,261 unvaccinated deceased patients and 34,159 individuals of the general population sampled before the pandemic, we estimated both IFR and relative risk of death (RRD) across age groups for individuals carrying autoantibodies neutralizing type I IFNs, relative to noncarriers. The RRD associated with any combination of autoantibodies was higher in subjects under 70 y old. For autoantibodies neutralizing IFN-α2 or IFN-ω, the RRDs were 17.0 (95% CI: 11.7 to 24.7) and 5.8 (4.5 to 7.4) for individuals <70 y and ≥70 y old, respectively, whereas, for autoantibodies neutralizing both molecules, the RRDs were 188.3 (44.8 to 774.4) and 7.2 (5.0 to 10.3), respectively. In contrast, IFRs increased with age, ranging from 0.17% (0.12 to 0.31) for individuals <40 y old to 26.7% (20.3 to 35.2) for those ≥80 y old for autoantibodies neutralizing IFN-α2 or IFN-ω, and from 0.84% (0.31 to 8.28) to 40.5% (27.82 to 61.20) for autoantibodies neutralizing both. Autoantibodies against type I IFNs increase IFRs, and are associated with high RRDs, especially when neutralizing both IFN-α2 and IFN-ω. Remarkably, IFRs increase with age, whereas RRDs decrease with age. Autoimmunity to type I IFNs is a strong and common predictor of COVID-19 death.
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| 2. |
- Santangelo, James S., et al.
(author)
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Global urban environmental change drives adaptation in white clover
- 2022
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In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 375
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Journal article (peer-reviewed)abstract
- Urbanization transforms environments in ways that alter biological evolution. We examined whether urban environmental change drives parallel evolution by sampling 110,019 white clover plants from 6169 populations in 160 cities globally. Plants were assayed for a Mendelian antiherbivore defense that also affects tolerance to abiotic stressors. Urban-rural gradients were associated with the evolution of clines in defense in 47% of cities throughout the world. Variation in the strength of clines was explained by environmental changes in drought stress and vegetation cover that varied among cities. Sequencing 2074 genomes from 26 cities revealed that the evolution of urban-rural dines was best explained by adaptive evolution, but the degree of parallel adaptation varied among cities. Our results demonstrate that urbanization leads to adaptation at a global scale.
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| 3. |
- Téllez-Arreola, José Luis, et al.
(author)
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Analysis of the MCTP Amino Acid Sequence Reveals the Conservation of Putative Calcium- and Lipid-Binding Pockets Within the C2 Domains In Silico
- 2022
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In: Journal of Molecular Evolution. - New York, NY, United States : Springer. - 0022-2844 .- 1432-1432. ; 90, s. 271-282
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Journal article (peer-reviewed)abstract
- MCTPs (Multiple C2 Domains and Transmembrane region Proteins) are evolutionarily and structurally related to other C2 proteins, which are central to exocytosis and membrane trafficking; however, their specific function has been little studied. MCTPs are associated with endosomes and the endoplasmic reticulum and possess three C2 domains (C2A-C2C) and two transmembrane regions (TMRs) well conserved in different species. Here, we generated structural models of the MCTP C2 domains of C. elegans and analyzed their putative function by docking, which revealed that these domains possess Ca2+- and lipid-binding pockets, suggesting that MCTPs play a significant, calcium-dependent role in membrane physiology.
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| 4. |
- Gefen, Amit, et al.
(author)
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Fluid handling by foam wound dressings : From engineering theory to advanced laboratory performance evaluations
- 2024
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In: International Wound Journal. - : John Wiley & Sons. - 1742-4801 .- 1742-481X. ; 21:2
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Research review (peer-reviewed)abstract
- This article describes the contemporary bioengineering theory and practice of evaluating the fluid handling performance of foam-based dressings, with focus on the important and clinically relevant engineering structure-function relationships and on advanced laboratory testing methods for pre-clinical quantitative assessments of this common type of wound dressings. The effects of key wound dressing material-related and treatment-related physical factors on the absorbency and overall fluid handling of foam-based dressings are thoroughly and quantitively analysed. Discussions include exudate viscosity and temperature, action of mechanical forces and the dressing microstructure and associated interactions. Based on this comprehensive review, we propose a newly developed testing method, experimental metrics and clinical benchmarks that are clinically relevant and can set the standard for robust fluid handling performance evaluations. The purpose of this evaluative framework is to translate the physical characteristics and performance determinants of a foam dressing into achievable best clinical outcomes. These guiding principles are key to distinguishing desirable properties of a dressing that contribute to optimal performance in clinical settings.
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| 5. |
- Gefen, Amit, et al.
(author)
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How should clinical wound care and management translate to effective engineering standard testing requirements from foam dressings? Mapping the existing gaps and needs
- 2023
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In: Advances in wound care. - : Mary Ann Liebert. - 2162-1918 .- 2162-1934. ; 13:1
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Journal article (peer-reviewed)abstract
- SIGNIFICANCE: Wounds of all types remain one of the most important, expensive and common medical problems, e.g., up to approximately two-thirds of the work time of community nurses is spent on wound management. Many wounds are treated by means of dressings. The materials used in a dressing, their microarchitecture and how they are composed and constructed form the basis for the laboratory and clinical performances of any advanced dressing. Recent Advances: The established structure-function principle in material science is reviewed and analyzed in this article in the context of wound dressings. This principle states that the microstructure determines the physical, mechanical, and fluid transport and handling properties, all of which are critically important for, and relevant to the adequate performances of wound dressings.CRITICAL ISSUES: According to the above principle, once the clinical requirements for wound care and management are defined for a given wound type and etiology, it should be theoretically possible to translate clinically-relevant characteristics of dressings into physical test designs resulting specific metrics of materials, mechanical, and fluid transport and handling properties, all of which should be determined to meet the clinical objectives and be measurable through standardized bench testing.FUTURE DIRECTIONS: This multidisciplinary review article, written by an International Wound Dressing Technology Expert Panel, discusses the translation of clinical wound care and management into effective, basic engineering standard testing requirements from wound dressings with respect to material types, microarchitecture and properties, to achieve the desirable performance in supporting healing and improving the quality of life of patients.
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| 6. |
- Gefen, Amit, et al.
(author)
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Mechanical and contact characteristics of foam materials within wound dressings : Theoretical and practical considerations in treatment
- 2023
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In: International Wound Journal. - : Wiley. - 1742-4801 .- 1742-481X. ; 0:6, s. 1960-1978
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Journal article (peer-reviewed)abstract
- In the treatment of acute and chronic wounds, the clinical performance of a given foam-based dressing, and, ultimately, the wound healing and cost of care outcomes are strongly influenced by the mechanical performance of the foam material/s within that dressing. Most aspects of the mechanical performance of foam materials, for example, their stiffness, frictional properties, conformability, swelling characteristics and durability, and the overall mechanical protection provided by a foam-based dressing to a wound strongly depend on the microstructure of the foam components, particularly on their microtopography, density and porosity. This article, therefore, provides, for the first time, a comprehensive, self-inclusive compilation of clinically relevant theoretical and practical considerations, based on published analytical and experimental research as well as clinical experience related to the mechanical performance of foams in foam-based wound dressings. The current bioengineering information is useful for establishing understanding of the importance of mechanical properties of foams in foam-based dressings among clinicians and researchers in industry and academia, and other potential stakeholders in the wound care field, for example, regulators and buyers. This information is also particularly important for the development of standardised test methods for the evaluation of foam-based wound dressings and resulting standard mechanical performance metrics for these dressings.
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| 7. |
- Raepsaet, Charlotte, et al.
(author)
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Clinical research on the use of bordered foam dressings in the treatment of complex wounds : A systematic review of reported outcomes and applied measurement instruments
- 2022
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In: Journal of tissue viability. - : Elsevier. - 0965-206X. ; 31:3, s. 514-522
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Research review (peer-reviewed)abstract
- OBJECTIVE: The aim of this review article was to identify reported outcomes and measurement instruments used in clinical research on bordered foam dressings in the treatment of complex wounds.METHODS: MEDLINE (PubMed interface), Cumulative Index to Nursing and Allied Health Literature (CINAHL), EMBASE, and The Cochrane Library were systematically searched using a combination of key terms including; wounds, bordered foam dressing, and treatment. Studies were included if they (1) targeted an adult population, (2) addressed the treatment of complex wounds with a bordered foam dressing as the primary wound dressing, (3) were retrieved from original research, and (4) were published between 2000 and 2022. There were no restrictions on language or study design. Studies that focused primarily on the prevention of complex wounds were excluded. Data extraction included outcome domains, outcomes, instruments, time points, and outcome measures. The OMERACT Filter 2.0 was used as a conceptual framework for the extraction of outcomes.RESULTS: A total of 24 outcome domains and 82 outcomes were identified. The outcomes were categorised into five core areas: (1) impact on life, (2) dressing performance, (3) pathophysiological manifestations, (4) resource use, and (5) adverse events. Thirtynine outcomes (47.0%) were measured at more than one time point. The most frequently reported time point was 'at the end of treatment' (62.7%). Outcomes were measured using self-report instruments, clinical observations, and bio-physiological instruments.CONCLUSION: This systematic review identified reported outcomes and measurement instruments in research on bordered foam dressings in the treatment of complex wounds. The variety and lack of consistency in terms of instruments, time points and outcome measurements made it difficult to compare data directly across different reported studies. A solution to the variety in outcome reporting across studies in complex wound care, and moreover for the treatment with bordered foam dressings, is the development of a Core Outcome Set (COS). The outcomes in this review article will inform the next steps of developing a COS, where patients, clinicians and researchers will be involved to decide on the final outcomes included in a COS for the treatment of complex wounds with bordered foam dressings.
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| 8. |
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| 9. |
- Raepsaet, Charlotte, et al.
(author)
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The development of a core outcome set for clinical effectiveness studies of bordered foam dressings in the treatment of complex wounds
- 2023
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In: Journal of tissue viability. - : Elsevier. - 0965-206X .- 1876-4746. ; 32:3, s. 430-436
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Journal article (peer-reviewed)abstract
- AIM: The aim of this project was to develop a core outcome set (COS) for clinical effectiveness studies of bordered foam dressings in the treatment of complex wounds.METHODS: The research project followed the Core Outcome Measures in Effectiveness Trials (COMET) initiative and consisted of two phases. The first phase prepared the background and process, while the second phase had three steps: outcome list generation via systematic review and qualitative study, Delphi consensus study, and consensus meeting. The study has been registered in the Core Outcome Measures in Effectiveness Trials database.RESULTS: The systematic review resulted in 82 outcomes and 20 additional outcomes were obtained during the interviews. After refinement, 111 panellists from 23 countries rated a list of 51 outcomes. In the following consensus meeting, six outcomes were prioritized to be included in the core outcome set. After the consensus meeting, a patient-reported outcome was added to the core outcome set.CONCLUSION: The COS for evaluating the effectiveness of bordered foam dressings in treating complex wounds includes 7 outcomes: "ability to stay in place", "leakage", "pain", "dressing related periwound skin changes", "change in wound size over time", and "overall satisfaction". These identified outcomes are correlated with contemporary bioengineering testing and evaluation methods for dressing performance, which underpins the need for a close multidisciplinary collaboration to advance the field of wound dressings. The outcome 'overall satisfaction' reflects the impact of complex wounds and their treatment on a patient's daily life. The use of these outcomes is recommended to improve data synthesis and promote evidence-based practice. Future developments in COS development involve creating measurement instruments and relevant endpoints for these outcomes.
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| 10. |
- Santamaria, Nick, et al.
(author)
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Clinical performance characteristics for bordered foam dressings in the treatment of complex wounds : An international wound dressing technology expert panel review
- 2023
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In: International Wound Journal. - : John Wiley & Sons. - 1742-4801 .- 1742-481X. ; 20:9, s. 3467-3473
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Journal article (peer-reviewed)abstract
- The aim of this article is to identify and describe clinical practice performance characteristics for bordered foam dressings in the treatment of complex wounds. Our recently published systematic review of outcomes and applied measurement instruments for the use of bordered foam dressings in complex wounds has led to us identifying a range of important clinical and patient-centred issues related to this dressing class. Specifically, here, we focus on an overview of performance criteria in the areas of application, adhesion, exudate management and debridement functions of bordered foam dressings. Our hope is that by highlighting the clinical performance criteria, future testing standards for wound dressings will more closely match our clinical expectations and, thereby, assist clinicians to make better wound treatment choices based on meaningful and clinically relevant dressing product performance standards. complex wounds, complex wound care, treatment, bordered foam dressings, dressing performance.
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