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Title: An X11[alpha]/FSBP complex represses transcription of the GSK3[beta] gene promoter.
Sponsor: Wellcome Trust
Author's Homepage:
Keywords: Neuroscience
Alzheimer's disease
Issue Date: 2010
Citation: Lau KF, Perkinton MS, Rodriguez L, McLoughlin DM, Miller CC, An X11[alpha]/FSBP complex represses transcription of the GSK3[beta] gene promoter., NeuroReport, 21, 11, 2010, 1-6
Series/Report no.: NeuroReport
Abstract: X11α is a neuronal adaptor protein that interacts with the amyloid precursor protein (APP) via a centrally located phosphotyrosine binding (PTB) domain to inhibit production of Aβ peptide that is deposited in Alzheimer's disease brains. X11α also contains two C-terminal postsynaptic density-95, discs large, zona occludens 1 (PDZ) domains and we show here that via its PDZ domains, X11α interacts with a novel transcription factor, fibrinogen silencer binding protein (FSBP). Moreover, we demonstrate that an X11α/FSBP complex signals to the nucleus to repress glycogen synthase kinase-3β (GSK3β) promoter activity. GSK3β is a favoured candidate kinase for phosphorylating tau in Alzheimer's disease. Our findings reveal a new function for X11α that may impact on Alzheimer's disease pathogenesis.
Description: PUBLISHED
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Appears in Collections:Psychiatry (Scholarly Publications)

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