We examined acetylcholinesterase, plasma neuronal proteins, secreted beta-amyloid precursor protein (APP), and amyloid-beta 40 and amyloid-beta 42 peptides in children with and without autism.
The results of red blood cell acetylcholinesterase were expressed as U/g hemoglobin. Levels of secreted beta-amyloid precursor protein a were determined by a sensitive sandwich enzyme-linked ...