Transcriptomics

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Transcription profiling of mouse vehicle and sAPPalpha-treated hippocampal slice cultures


ABSTRACT: Gene expression changes induced by alpha-secretase cleaved amyloid precursor protein (sAPPalpha) in organotypic hippocampal slice cultures of male, postnatal day 15 mice (C57B6/SJL). Hippocampal slice cultures were treated with phosphate buffered saline (GSM26700, GSM26701, GSM26702) or 1 nM sAPPalpha (GSM26703, GSM26704, GSM26705) for 24 h. Each sample consists of total RNA isolated from 8-12 slices from 4 mice. Data were analyzed with MAS 5.0 and scaled to 2500. sAPPalpha induces the amyloid sequestration protein transthyretin, insulin-like growth factor 2, insulin-like growth factor binding protein 2, and other genes involved in protective pathways such as apoptosis inhibition, detoxification, and retinol transport. See Stein, TD, Anders, NJ, DeCarli, C, Chan, SL, Mattson, MP, and Johnson JA. Neutralization of transthyretin reverses the neuroprotective effects of secreted APP in APPSw mice resulting in tau phosphorylation and loss of hippocampal neurons: support for the amyloid hypothesis. J Neurosci. in press.

ORGANISM(S): Mus musculus  

SUBMITTER: Thor D. Stein  

PROVIDER: E-GEOD-1555 | ArrayExpress | 2007-10-10

SECONDARY ACCESSION(S): GDS809GSE1555PRJNA89959

REPOSITORIES: GEO, ArrayExpress

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Publications

Neutralization of transthyretin reverses the neuroprotective effects of secreted amyloid precursor protein (APP) in APPSW mice resulting in tau phosphorylation and loss of hippocampal neurons: support for the amyloid hypothesis.

Stein Thor D TD   Anders Nicholas J NJ   DeCarli Charles C   Chan Sic L SL   Mattson Mark P MP   Johnson Jeffrey A JA  

The Journal of neuroscience : the official journal of the Society for Neuroscience 20040901 35


Alzheimer's disease (AD) may be caused by the abnormal processing of the amyloid precursor protein (APP) and the accumulation of beta-amyloid (Abeta). The amyloid precursor protein can be proteolytically cleaved into multiple fragments, many of which have distinct biological actions. Although a high level of Abeta can be toxic, the alpha-secretase cleaved APP (sAPPalpha) is neuroprotective. However, the mechanism of sAPPalpha protection is unknown. Here, we show that sAPPalpha increases the expr  ...[more]

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