Title : Ageing and amyloid-beta peptide deposition contribute to an impaired brain tissue plasminogen activator activity by different mechanisms.

Pub. Date : 2007 Aug

PMID : 17566751






3 Functional Relationships(s)
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1 In this report, we studied the regulation of tPA activity in vivo during ageing in normal mice and in a mouse model of AD characterized by an exacerbated endogenous Abeta accumulation. Tetradecanoylphorbol Acetate amyloid beta (A4) precursor protein Mus musculus
2 We observed that cerebral tPA activity was decreased during ageing in normal mice and that this effect was worsened in mice overproducing Abeta peptides. Tetradecanoylphorbol Acetate amyloid beta (A4) precursor protein Mus musculus
3 A similar study in sporadic AD and age-matched control brain tissues revealed that the tPA proteolytic activity was negatively correlated to Abeta peptides levels supporting the data observed in mice. Tetradecanoylphorbol Acetate amyloid beta (A4) precursor protein Mus musculus