Lipoproteins in the Central Nervous System: From Biology to Pathobiology
Open accessAbstract
The brain, as one of the most lipid-rich organs, heavily relies on lipid transport and distribution to maintain homeostasis and neuronal function. Lipid transport mediated by lipoprotein particles, which are complex structures composed of apolipoproteins and lipids, has been thoroughly characterized in the periphery. Although lipoproteins in the central nervous system (CNS) were reported over half a century ago, the identification of APOE4 as the strongest genetic risk factor for Alzheimer's disease has accelerated investigation of the biology and pathobiology of lipoproteins in the CNS. This review provides an overview of the different components of lipoprotein particles, in particular apolipoproteins, and their involvements in both physiological functions and pathological mechanisms in the CNS.
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APOE is produced and secreted primarily by astrocytes in the brain.
“APOE is produced and secreted primarily by astrocytes in the brain, making astrocytes a prime target for studying the cell-type specific effects of APOE3Ch [8].”
From Astrocytic APOE3-Christchurch expression ameliorates brain amyloid-β pathology in 5xFAD mice (2026) · cites this paper as [8]
Astrocytes are the primary source of APOE in the CNS.
“By targeting astrocytes, the primary source of APOE in the CNS [8]”
From Astrocytic APOE3-Christchurch expression ameliorates brain amyloid-β pathology in 5xFAD mice (2026) · cites this paper as [8]
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- Authors
- Raulin, A.-C., Martens, Y. A., & Bu, G.
- Affiliations
- Mayo Clinic (US)
- Venue
- Annual Review of Biochemistry
- Publisher
- Annual Reviews
- Published
- 2022-06-21
- Volume
- 91
- Issue
- 1
- Pages
- 731-759
- ISSN
- 0066-4154 (ISSN-L)
- 1545-4509
- PMC
- PMC9634960
- OpenAlex
- W4220978836
- Cited by
- 89
- References
- 193
- Citations by year
- 2026: 29 · 2025: 26 · 2024: 20 · 2023: 9 · 2022: 5
- FWCI
- 3.56
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Annual Review of Biochemistry (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Rare & Special e-Zone (The Hong Kong University of Science and Technology) (submittedVersion)
- Funders
- National Institute on Aging (R01AG066395, R37AG027924, RF1AG057181, RF1AG046205, U19AG069701)
- Topics
- Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
- Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
- Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
- Keywords
- lipoproteins, central nervous system, apolipoproteins, lipid transport, APOE ε4, Alzheimer's disease, lipoprotein metabolism, neurodegeneration
- MeSH terms
- Alzheimer Disease, Apolipoproteins, Apolipoproteins E, Biology, Central Nervous System, Humans
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