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Key pathological hallmarks of Alzheimer's disease (AD) are the deposition of amyloid plaques containing Aβ-peptides and the formation of neurofibrillary tangles containing hyperphosphorylated tau. Propentofylline (PPF) is a synthetic xanthine derivative that inhibits phosphodiesterase and adenosine uptake. These effects of PPF influence many cellular functions including stimulating synthesis/release...
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