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Sökning: WFRF:(Falkevall A)

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  • Hagberg, C, et al. (författare)
  • Endothelial fatty acid transport: role of vascular endothelial growth factor B
  • 2013
  • Ingår i: Physiology (Bethesda, Md.). - : American Physiological Society. - 1548-9221 .- 1548-9213. ; 28:2, s. 125-134
  • Tidskriftsartikel (refereegranskat)abstract
    • Dietary lipids present in the circulation have to be transported through the vascular endothelium to be utilized by tissue cells, a vital mechanism that is still poorly understood. Vascular endothelial growth factor B (VEGF-B) regulates this process by controlling the expression of endothelial fatty acid transporter proteins (FATPs). Here, we summarize research on the role of the vascular endothelium in nutrient transport, with emphasis on VEGF-B signaling.
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  • Mehlem, A, et al. (författare)
  • PGC-1α Coordinates Mitochondrial Respiratory Capacity and Muscular Fatty Acid Uptake via Regulation of VEGF-B
  • 2016
  • Ingår i: Diabetes. - : American Diabetes Association. - 1939-327X .- 0012-1797. ; 65:4, s. 861-873
  • Tidskriftsartikel (refereegranskat)abstract
    • Vascular endothelial growth factor (VEGF) B belongs to the VEGF family, but in contrast to VEGF-A, VEGF-B does not regulate blood vessel growth. Instead, VEGF-B controls endothelial fatty acid (FA) uptake and was identified as a target for the treatment of type 2 diabetes. The regulatory mechanisms controlling Vegfb expression have remained unidentified. We show that peroxisome proliferator–activated receptor γ coactivator 1α (PGC-1α) together with estrogen-related receptor α (ERR-α) regulates expression of Vegfb. Mice overexpressing PGC-1α under the muscle creatine kinase promoter (MPGC-1αTG mice) displayed increased Vegfb expression, and this was accompanied by increased muscular lipid accumulation. Ablation of Vegfb in MPGC-1αTG mice fed a high-fat diet (HFD) normalized glucose intolerance, insulin resistance, and dyslipidemia. We suggest that VEGF-B is the missing link between PGC-1α overexpression and the development of the diabetes-like phenotype in HFD-fed MPGC-1αTG mice. The findings identify Vegfb as a novel gene regulated by the PGC-1α/ERR-α signaling pathway. Furthermore, the study highlights the role of PGC-1α as a master metabolic sensor that by regulating the expression levels of Vegfa and Vegfb coordinates blood vessel growth and FA uptake with mitochondrial FA oxidation.
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  • Eriksson, U, et al. (författare)
  • Visualizing Fatty Acid Flux
  • 2018
  • Ingår i: Cell metabolism. - : Elsevier BV. - 1932-7420 .- 1550-4131. ; 27:6, s. 1161-1162
  • Tidskriftsartikel (refereegranskat)
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