On The Evolutionary Trail Of Molecules That Cause Lou Gehrig's Disease

What became a scientific quest a few scientists began with trying to define the function of a protein that plays a role in the nervous system. That led to work with similar proteins in the nerve cells of worms, fruit flies, and people and culminated in important clues about what goes wrong in the nerves and muscles of people with amyotrophic lateral sclerosis (better known as ALS or Lou Gehrig's disease).

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