Recent research on a subset of KIF1A mutations helps us understand how some KIF1A mutations can cause too much motor activity at the cellular level, leading to “uncomplicated hereditary spastic paraplegia.” KIF1A researchers Kyoko Chiba and Richard McKenney of University of California – Davis and Shinsuke Niwa of Tohoku University collaborated with KIF1A.ORG to bring you this simplified summary of their research.

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