Figure 2: Amyloid plaques from a case of six octarepeats insertions [46]. Courtesy of Dr. Anne Vital, Victor Segalen-Bordeaux 2 University, Institute of Neurodegenerative Diseases, Bordeaux, France A: H & E B: Thioflavine S C: Congo red D: birefringence E: anti PrP F: GFAP staining