Abstract:
:Cholesterol is highly enriched in the brain compared to other tissues. Essentially all cholesterol in the brain is synthesized endogenously since plasma lipoproteins are unable to cross the blood-brain barrier. Cholesterol is transported within the central nervous system in the form of apolipoprotein E-containing lipoprotein particles that are secreted mainly by glial cells. Cholesterol is excreted from the brain in the form of 24-hydroxycholesterol. Apolipoprotein E and cholesterol have been implicated in the formation of amyloid plaques in Alzheimer's disease. In addition, the progressive neurodegenerative disorder Niemann-Pick C disease is characterized by defects in intracellular trafficking of cholesterol.
journal_name
Semin Cell Dev Bioljournal_title
Seminars in cell & developmental biologyauthors
Vance JE,Hayashi H,Karten Bdoi
10.1016/j.semcdb.2005.01.005subject
Has Abstractpub_date
2005-04-01 00:00:00pages
193-212issue
2eissn
1084-9521issn
1096-3634pii
S1084-9521(05)00021-2journal_volume
16pub_type
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journal_title:Seminars in cell & developmental biology
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