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CAG Expansions Linked to Huntington’s Progression

By Info60 Canada Desk•Summary of reporting by EMJ•Sep 18, 2026•0 views•

Large somatic CAG expansions accumulated in vulnerable brain cells and were linked to accelerated neuronal loss and Huntington’s disease progression.

LARGE genetic expansions within vulnerable brain cells may contribute to neuronal loss and disease progression in Huntington’s disease (HD), according to new research. The findings provide evidence that somatic expansion of the HTT CAG repeat accumul... [3569 chars]

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