How does Parkinson's disease develop? Study raises doubts on theory of Parkinson's disease

ScienceDaily | 7/9/2018 | Staff
hubbog (Posted by) Level 3
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The arms and legs tremble incessantly, the muscles become weaker and the movements slower ? these are typical symptoms that many Parkinson's patients suffer from. More than six million people are affected worldwide. In these patients, the dopamine-producing nerve cells in the brain slowly die off. The resulting lack of this neurotransmitter impairs motor function and often also affects the cognitive abilities.

So far, it was assumed that the protein alpha-synuclein is one of the trigger factors. This protein can clump together and form small needles, so-called fibrils, which accumulate and deposit as Lewy bodies in the nerve cells. These toxic fibrils damage the affected brain cells. A team of scientists led by Prof. Henning Stahlberg from the Biozentrum of the University of Basel, in collaboration with researchers from Hoffmann-La Roche Ltd. and the ETH Zurich, have now artificially generated an alpha-synuclein fibril in the test tube. They have been able to visualize for the first time its three-dimensional structure with atomic resolution. "Contrary to our expectations, the results seem to raise more questions than they can hope to answer," says Stahlberg.

Forms - Parkinson

It is important to know that in some congenital forms of Parkinson's...
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