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Sökning: WFRF:(Olsson K)

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1121.
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1122.
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1123.
  • Ntika, S, et al. (författare)
  • Elevated Glucagon-like Peptide-1 and a Th2 Shift May Support Reduced Prevalence of Thoracic Aortic Aneurysm in Patients with Diabetes
  • 2021
  • Ingår i: Journal of cardiovascular development and disease. - : MDPI AG. - 2308-3425. ; 8:11
  • Tidskriftsartikel (refereegranskat)abstract
    • Glucagon-like peptide-1 (GLP-1) regulates processes involved in the pathophysiology of thoracic aortic aneurysms (TAAs), including inflammation, while protecting against aortic aneurysms in animal models. Type 2 diabetes (T2D) involves altered GLP-1 signaling due to pathology and/or therapy and is associated with reduced prevalence of TAAs. We aimed to assess whether T2D alters the inflammatory profile/proteolytic activity, possible correlations to elevated fasting GLP-1 (F-GLP-1), and its relevance for TAA. F-GLP-1, pro-inflammatory T helper 1 (Th1) cytokines, Th2 cytokines, C-reactive protein, and matrix metalloproteinase-2 activity (MMP-2) were analyzed in surgical patients with aortic valve pathology with/without T2D and without T2D but with TAA. Patients with T2D displayed an increase in the relative systemic expression of interleukin 6 and tumor necrosis factor α and a clear trend towards reduced levels of interferon γ (IFNγ). In addition, a positive association between GLP-1 and the plasma interleukin 4 (IL-4)/IFNγ ratio was detected. TAA was associated with significantly lower plasma levels of the Th2 cytokines IL-4 and interleukin 5. Plasma MMP-2 activity did not differ between groups. We conclude that T2D involved a Th2 shift, which associates with elevated F-GLP-1 and may—considering Th1 bias in TAA—contribute to reduced prevalence of TAA in T2D.
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1124.
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1125.
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1126.
  • Nyberg, Maria, et al. (författare)
  • The meal as a performance : Food and meal practices beyond health and nutrition
  • 2018
  • Ingår i: Ageing & Society. - : Cambridge University Press. - 0144-686X .- 1469-1779. ; 38:1, s. 83-107
  • Tidskriftsartikel (refereegranskat)abstract
    • The proportion of elderly people in the population is increasing, presenting a number of new challenges in society. The purpose of this qualitative study was to investigate how elderly persons with motoric eating difficulties perceive and perform their food and meal practices in everyday life. By using Goffman's concept of performance as a theoretical framework together with Bourdieu's thinking on habitus, a deeper understanding of food and meal practices is obtained. Semi-structured interviews were conducted with 14 elderly people (aged between 67 and 87 years) and meal observations were carried out with 11 of these people. Participants were found to manage food and meal practices by continuously adjusting and adapting to the new conditions arising as a result of eating difficulties. This was displayed by conscious planning of what to eat and when, avoiding certain foods and beverages, using simple eating aids, but also withdrawing socially during the meals. All these adjustments were important in order to be able to demonstrate proper food and meal behaviour, to maintain the facąde and to act according to the perceived norms. As well as being a pleasurable event, food and meals were also perceived in terms of being important for maintaining health and as 'fuel' where the main purpose is to sustain life. This was strongly connected to the social context and the ability to enjoy food and meals with family members and friends, which appeared to be particularly crucial due to the impending risk of failing the meal performance.
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1127.
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1128.
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1129.
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1130.
  • Oak, Shilpa, et al. (författare)
  • The lack of anti-idiotypic antibodies, not the presence of the corresponding autoantibodies to glutamate decarboxylase, defines type 1 diabetes
  • 2008
  • Ingår i: Proceedings of the National Academy of Sciences. - : Proceedings of the National Academy of Sciences. - 1091-6490 .- 0027-8424. ; 105:14, s. 5471-5476
  • Tidskriftsartikel (refereegranskat)abstract
    • Autoantibodies to glutamate decarboxylase 65 (GAD65Ab) are commonly believed to be a major characteristic for type 1 diabetes (T1D). We investigated the presence of GAD65Ab in healthy individuals (n = 238) and first-degree relatives (FDRs) of T1D patients (n = 27) who tested negative for GAD65Ab in conventional RIAs. Sera were applied to affinity columns coated with GAD65-specific mAbs to absorb anti-idiotypic antibodies (anti-Ids). The absorbed sera were analyzed for binding to GAD65 by RIAs. Both healthy individuals and FDRs present GAD65Ab that are inhibited by anti-Id, masking them in conventional detection methods. The presence of GAD65Ab-specific anti-Ids was confirmed by competitive ELISA. Remarkably, T1D patients (n = 54) and Stiff Person Syndrome patients (n = 8) show a specific lack of anti-Ids to disease-associated GAD65Ab epitopes. Purified anti-Ids from healthy individuals and FDRs inhibited the binding of GAD65Ab from T1D patients to GAD65. We conclude that masked GAD65Ab are present in the healthy population and that a lack of particular anti-Ids, rather than GAD65Ab per se, is a characteristic of T1D. The lack of these inhibitory antibodies may contribute to T cell activation by GAD65Ab.
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