 | About the cover
May 2005 - Vol 23 No 5 Nature Biotechnology 23 (2005)
| | |  | An unstained brain section from an APP23 transgenic mouse, an animal model of Alzheimer disease. Amyloid plaques are visible as small dark dots, most of them in the neocortex. Hintersteiner et al. describe a new probe for imaging amyloid plaques in living mice (p 577).
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