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. 2012 Apr 19;287(24):20534–20544. doi: 10.1074/jbc.M112.359588

FIGURE 3.

FIGURE 3.

Accumulation of amorphous materials and membrane bound inclusions. A, regions of the cell characterized by accumulation of degenerating mitochondria and vacuolization (open arrows) also contained accumulations of amorphous electron-dense material (asterisks). B and C, the electron-dense material was granular in appearance and was observed either with (C, arrowhead) or without (C, asterisk) a membrane envelope. In certain MCK-βAPP fibers, stack-like aggregations of the SR membranes were also observed (wavy arrows). Bars, A, 1 μm; B and C, 0.5 μm.