The seminal role of beta-amyloid in the pathogenesis of Alzheimer disease.

New molecular information about Alzheimer disease (AD) is appearing at an unprecedented rate. Much interest centers on the beta A4 amyloid protein, which is progressively deposited in senile plaques and blood vessels in AD brain tissue. The discovery that some kindreds with familial AD have a mutation in the gene coding for the beta A4 amyloid precursor… CONTINUE READING