Unmasking Elusive Enzyme Reveals
In recent years, two discoveries have
set the field of Alzheimer's research abuzz: one, that a gene
called presenilin underlies the most aggressive form of the
disease, and two, that erosion of the mind probably starts
with production of the peptide amyloid-beta (A-beta) by an
elusive enzyme. Since these discoveries were made, scientists
have focused on two apparently separate questions central
to understanding the origin of the disease: what does the
presenilin protein do? And what is this enzyme?
|Dennis Selkoe (far right)
Use of Hormone Replacement Therapy
Not Determined by Clinical Factors
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