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Apolipoprotein E lipoprotein particles inhibit amyloid-β uptake through cell surface heparan sulphate proteoglycan.

Molecular neurodegeneration | 2016

The accumulation, aggregation and deposition of amyloid-β (Aβ) peptides in the brain are central to the pathogenesis of Alzheimer's disease (AD). Alzheimer's disease risk increases significantly in individuals carrying one or two copies of APOE ε4 allele compared to individuals with an ε3/ε3 genotype. Growing evidence has demonstrated that apolipoprotein E (apoE) strongly influences AD pathogenesis by controlling Aβ aggregation and metabolism. Heparan sulphate proteoglycans (HSPGs) are abundant cell surface molecules that bind to both apoE and Aβ. HSPGs have been associated with Aβ aggregation and deposition. Although several lines of research have shown that apoE influences Aβ clearance in the brain, it is not clear how apoE influences HSPG-mediated cellular uptake of Aβ.

Pubmed ID: 27151330 RIS Download

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Associated grants

  • Agency: NIA NIH HHS, United States
    Id: R01 AG035355
  • Agency: NIA NIH HHS, United States
    Id: P50 AG016574
  • Agency: NINDS NIH HHS, United States
    Id: P01 NS074969
  • Agency: NIA NIH HHS, United States
    Id: RF1 AG051504
  • Agency: NIA NIH HHS, United States
    Id: R01 AG027924
  • Agency: NIA NIH HHS, United States
    Id: P01 AG030128
  • Agency: NIA NIH HHS, United States
    Id: RF1 AG046205

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