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    Prion protein is not all bad

    A molecular Dr. Jekyll finally has a day job—as an electrical lineman. A new study suggests that the normal form of prion protein helps maintain the insulation that speeds electrical signals along nerve fibers.

    In its twisted Mr. Hyde form, the prion protein causes fatal brain-wasting diseases, such as mad cow disease in cattle and Creutzfeldt-Jakob disease in people (SN: 8/16/08, p.20...

    07/01/2011 - 15:48 Genes & Cells, Body & Brain