Parkinson Disease

Reports from Mie University describe recent advances in Parkinson disease

Published in Cancer Weekly, February 10th, 2009

According to a study from Tsu, Japan, "Tetrahydroisoquinoline (TIQ) derivatives are putative neurotoxins that may contribute to the degeneration of dopaminergic neurons in Parkinson's disease. One TIQ, norsalsolinol (NorSAL), is present in dopamine-rich areas of human brain, including the substantia nigra."

"Here, we demonstrate that NorSAL reduces cell viability and induces apoptosis via cytochrome c release and caspase 3 activation in SH-SY5Y human neuroblastoma cells. Cytochrome c release, caspase 3 activation, and apoptosis induction were all inhibited by the antioxidant N-acetylcysteine. Thus, reactive oxygen species (ROS) contribute to apoptosis induced by NorSAL....

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Source: Cancer Weekly (2009-02-10)

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