Dopaminergic neurons reduced to silence by oxidative stress: an early step in the death cascade in Parkinson's disease?

Science's STKE : Signal Transduction Knowledge Environment
Patrick P MichelEtienne C Hirsch

Abstract

Parkinson's disease (PD) is a common neurodegenerative disorder that is most often sporadic, but in some cases it can be inherited as a simple Mendelian trait. The most important pathological feature of the disease is the death of brainstem dopaminergic neurons in the substantia nigra, which leads to characteristic motor symptoms. The etiology of PD remains unknown, but mitochondrial dysfunction and oxidative stress may contribute actively to the underlying pathomechanism. New studies suggest that K(ATP) channel activation may represent a downstream effector of these two cellular anomalies.

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Citations

Apr 10, 2008·The Journal of Clinical Investigation·Bret F BessacSven-Eric Jordt
May 24, 2013·FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology·Patrick P MichelEtienne C Hirsch
Dec 31, 2011·Neuroscience Letters·Fumihiko YoshinoMasaichi Chang-il Lee

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