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    Am J Pathol. 2001 Nov;159(5):1597-602.

    Presenilin binding protein is associated with neurofibrillary alterations in Alzheimer's disease and stimulates tau phosphorylation.

    Source

    Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, California 92037, USA.

    Abstract

    A novel presenilin binding protein, PBP, has recently been identified. PBP is localized to the particulate fraction of extracts of Alzheimer's disease brain but is found in the soluble fractions of brain from age matched normal controls. It is shown here that PBP is associated with neurofibrillary tangles in Alzheimer's disease brain. In addition, the expression of PBP increases the phosphorylation of tau in cultured cells. Therefore PBP may have a regulatory role in tau phosphorylation and in the genesis of neurofibrillary tangles.

    PMID:
    11696419
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC1867048
    Free PMC Article

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