M Asunción Morán

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Enzyme histochemistry showed that a substantial number of cortical neurofibrillary tangles contain acetylcholinesterase and butyrylcholinesterase activities in patients with Alzheimer's disease and in nondemented aged individuals. In some areas of the brain, tangles containing each of these two enzymes were differentially distributed. In other areas, there(More)
The topographical distribution of the cortical afferent connections to the different subdivisions of the motor cortex (MC) was studied in adult cats. The retrograde axonal transport of horseradish peroxidase technique was used. Small single injections of the enzyme were made in the entire MC, including the hidden regions in the depth of the sulcus(More)
Autopsied brain tissue from Alzheimer's disease patients and old non-demented controls was studied after immunocytochemistry with the 4G8 monoclonal antibody that recognizes amyloid-beta peptides. Intraneuronal 4G8-positive reaction product was detected in all of the studied brains. The same brain regions in the Alzheimer's disease samples consistently(More)
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