Contact: Karl Leif Bates
Caption: The protein associated with Huntington's disease, Htt, is critical in early brain development. Brains of five-week-old mice whose Htt was deleted show signs of cellular stress -- reactive astrocytes (green) and microglia (white and red) and faulty connections -- in brain circuits that have already been linked to the disease.
Credit: Spencer McKinstry
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Related news release: Huntington's disease protein helps wire the young brain