Johns Hopkins University Scientists Identify Key to Body's Use of Free Calcium

Scientists at Johns Hopkins report they have figured out a key step in how "free" calcium -- the kind not contained in bones -- is managed in the body, a finding that could aid in the development of new treatments for a variety of neurological disorders that include Parkinson's disease. Appearing online this week in Nature Chemical Biology, the researchers describe their use of tiny "lights" and chemical "leashes" to unveil how calcium is controlled.

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