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- 2019
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Tidskriftsartikel (refereegranskat)
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- Langlois, M. R., et al.
(författare)
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Quantifying atherogenic lipoproteins for lipid-lowering strategies: Consensus-based recommendations from EAS and EFLM
- 2020
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Ingår i: Clinical Chemistry and Laboratory Medicine. - : Walter de Gruyter GmbH. - 1434-6621 .- 1437-4331. ; 58:4, s. 496-517
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Tidskriftsartikel (refereegranskat)abstract
- The joint consensus panel of the European Atherosclerosis Society (EAS) and the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM) recently addressed present and future challenges in the laboratory diagnostics of atherogenic lipoproteins. Total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDLC), LDL cholesterol (LDLC), and calculated non-HDLC (=total - HDLC) constitute the primary lipid panel for estimating risk of atherosclerotic cardiovascular disease (ASCVD) and can be measured in the nonfasting state. LDLC is the primary target of lipid-lowering therapies. For on-treatment follow-up, LDLC shall be measured or calculated by the same method to attenuate errors in treatment decisions due to marked between-method variations. Lipoprotein(a) [Lp(a)]-cholesterol is part of measured or calculated LDLC and should be estimated at least once in all patients at risk of ASCVD, especially in those whose LDLC declines poorly upon statin treatment. Residual risk of ASCVD even under optimal LDL-lowering treatment should be also assessed by non-HDLC or apolipoprotein B (apoB), especially in patients with mild-to-moderate hypertriglyceridemia (2-10 mmol/L). Non-HDLC includes the assessment of remnant lipoprotein cholesterol and shall be reported in all standard lipid panels. Additional apoB measurement can detect elevated LDL particle (LDLP) numbers often unidentified on the basis of LDLC alone. Reference intervals of lipids, lipoproteins, and apolipoproteins are reported for European men and women aged 20-100 years. However, laboratories shall flag abnormal lipid values with reference to therapeutic decision thresholds. © 2019 Walter de Gruyter GmbH, Berlin/Boston 2019.
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- Dzhambov, A. M., et al.
(författare)
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Protective effect of restorative possibilities on cognitive function and mental health in children and adolescents: A scoping review including the role of physical activity
- 2023
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Ingår i: Environmental Research. - 0013-9351 .- 1096-0953. ; 233
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Forskningsöversikt (refereegranskat)abstract
- Background The exposome approach can be a powerful tool for understanding the intertwining of social, physical, and internal influences that shape mental health and cognitive development throughout childhood. To distil conceptual models for subsequent analyses, the EU-funded project Early Environmental quality and Life-course mental health effects (Equal-Life) has conducted literature reviews on potential mediators linking the expo some to these outcomes. We report on a scoping review and a conceptual model of the role of restorative possibilities and physical activity. Methods Peer-reviewed studies published since the year 2000 in English, on the association between the exposome and mental health/cognition in children/adolescents, and quantitatively investigating restoration/restorative quality as a mediating variable were considered. Database searches were last updated in December 2022. We used an unstructured expert-driven approach to fill in gaps in the reviewed literature.Results Five records of three distinct studies were identified, indicating a scarcity of empirical evidence in this newly developing research area. Not only were these studies few in numbers, but also cross-sectional, lending only tentative support to the idea that perceived restorative quality of adolescent's living environment might mediate the association between greenspace and mental health. Physical activity emerged as a mediator leading to better psychological outcomes in restorative environments. We provide a critical discussion of potential caveats when investigating the restoration mechanism in children and propose a hierarchical model including restoration, physical activity, and relational dynamics between children and their environment, including social context, as well as restorative environments other than nature.Conclusions It is justified to further explore the role of restoration and physical activity as mediators in the association between early-life exposome and mental health/cognitive development. It is important to consider the child perspective and specific methodological caveats. Given the evolving conceptual definitions/operationalizations, Equal-Life will attempt to fill in a critical gap in the literature.
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- Engqvist, Martin, 1983, et al.
(författare)
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Mitochondrial 2-hydroxyglutarate metabolism
- 2014
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Ingår i: Mitochondrion. - : Elsevier BV. - 1567-7249. ; 19:Part B, s. 275-281
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Tidskriftsartikel (refereegranskat)abstract
- 2-Hydroxyglutarate (2-HG) is a five-carbon dicarboxylic acid with a hydroxyl group at the alpha position, which forms a stereocenter in this molecule. Although the existence of mitochondrial D- and L-2HG metabolisms has long been known in different eukaryotes, the biosynthetic pathways, especially in plants, have not been completely elucidated. While D-2HG is involved in intermediary metabolism, L-2HG may not have a cellular function but it needs to be recycled through a metabolic repair reaction. Independent of their metabolic origin, D- and L-2HG are oxidized in plant mitochondria to 2-ketoglutarate through the action of two stereospecific enzymes, d- and l-2-hydroxyacid dehydrogenases. While plants are to a large extent unaffected by high cellular concentrations of D-2HG, deficiencies in the metabolism of D- and L-2HG result in fatal disorders in humans. We present current data gathered on plant D- and L-2HG metabolisms and relate it to existing knowledge on 2HG metabolism in other organisms. We focus on the metabolic origin of these compounds, the mitochondrial catabolic steps catalyzed by the stereospecific dehydrogenases, and phylogenetic relationships between different studied 2-hydroxyacid dehydrogenases.
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