Title : Up-regulation of β-amyloidogenesis in neuron-like human cells by both 24- and 27-hydroxycholesterol: protective effect of N-acetyl-cysteine.

Pub. Date : 2014 Jun

PMID : 24612036






2 Functional Relationships(s)
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1 The challenge of differentiated SK-N-BE human neuroblastoma cells with patho-physiologically relevant amounts of 27-OH and 24-OH showed that both oxysterols induce a net synthesis of Abeta1-42 by up-regulating expression levels of amyloid precursor protein and beta-secretase, as well as the beta-secretase activity. Oxysterols amyloid beta precursor protein Homo sapiens
2 The reported findings link an impaired cholesterol oxidative metabolism to an excessive beta-amyloidogenesis and point to NAC as an efficient inhibitor of oxysterols-induced Abeta toxic peptide accumulation in the brain. Oxysterols amyloid beta precursor protein Homo sapiens