JACOPIN / BSIP / SCIENCE PHOTO LIBRARY JACOPIN / BSIP / SCIENCE PHOTO LIBRARY
Illustration of amyloid plaques forming. From the APP membrane protein (amyloid precursor protein), two enzymes, alpha secretase and beta secretase, isolate the Abeta peptide (yellow), which sticks to it to form oligomers, before migrating towards dendrites on the surrounding neurons to form amyloid plaques.
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