Abstract:
BACKGROUND:Alzheimer's disease (AD) is associated with vascular risk factors; brain ischemia facilitates the pathogenesis of AD. Recent studies have suggested that the reduction of AD risk with statin was achieved by decreased amyloidogenic amyloid precursor protein. METHODS:We used mitochondrial transgenic neuronal cell (cybrid) models to investigate changes in the levels of intracellular hypoxia inducible factor 1α (HIF-1α) and β-site amyloid precursor protein cleaving enzyme (BACE) in the presence of simvastatin. Sporadic AD (SAD) and age-matched control (CTL) cybrids were exposed to 2% O2 and incubated with 1 μM or 10 μM simvastatin. RESULTS:There was no significant difference between cell survival by 1 or 10 μM simvastatin in both SAD and CTL cybrids. In the presence of 1 μM simvastatin, intracellular levels of HIF-1α and BACE decreased by 40-70% in SAD, but not CTL cybrids. However, 10 μM simvastatin increased HIF-1α and BACE expression in both cybrid models. CONCLUSION:Our results suggest demonstrate differential dose-dependent effects of simvastatin on HIF-1α and BACE in cultured Alzheimer's disease cybrid cells.
journal_name
BMC Neuroljournal_title
BMC neurologyauthors
Jeong JH,Yum KS,Chang JY,Kim M,Ahn JY,Kim S,Lapchak PA,Han MKdoi
10.1186/s12883-015-0390-5subject
Has Abstractpub_date
2015-07-31 00:00:00pages
127issn
1471-2377pii
10.1186/s12883-015-0390-5journal_volume
15pub_type
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