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Science 3 July 1987:
Vol. 237. no. 4810, pp. 77 - 80
DOI: 10.1126/science.3299701
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Articles

Science, Vol 237, Issue 4810, 77-80
Copyright © 1987 by American Association for the Advancement of Science

articles

Localization of amyloid beta protein messenger RNA in brains from patients with Alzheimer's disease

S Bahmanyar, GA Higgins, D Goldgaber, DA Lewis, JH Morrison, MC Wilson, SK Shankar, and DC Gajdusek

The distribution of cells containing messenger RNA that encodes amyloid beta protein was determined in hippocampi and in various cortical regions from cynomolgus monkeys, normal humans, and patients with Alzheimer's disease by in situ hybridization. Both 35S-labeled RNA antisense and sense probes to amyloid beta protein messenger RNA were used to ensure specific hybridization. Messenger RNA for amyloid beta protein was expressed in a subset of neurons in the prefrontal cortex from monkeys, normal humans, and patients with Alzheimer's disease. This messenger RNA was also present in the neurons of all the hippocampal fields from monkeys, normal humans and, although to a lesser extent in cornu ammonis 1, patients with Alzheimer's disease. The distribution of amyloid beta protein messenger RNA was similar to that of the neurofibrillary tangles of Alzheimer's disease in some regions, but the messenger RNA was also expressed in other neurons that are not usually involved in the pathology of Alzheimer's disease.


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