http://medicalxpress.com/news/2012-0...misfiring.html
Using a two-photon microscope capable of peering deep within living tissue, researchers at the University of California, San Diego School of Medicine have found new evidence that alpha-synuclein protein build-up inside neurons causes them to not only become "leaky," but also to misfire due to calcium fluxes. The findings – the first recorded in vivo using a transgenic mouse model of Parkinson's disease – are published in the July 18 issue of The Journal of Neuroscience and provide new insights into how Parkinson's disease and other neurodegenerative disorders known as synucleinopathies work and progress at the cellular level.
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