Max Planck Institute of Psychiatry
Publishes on Viral Infections and Immunology Research, Lysosomal Storage Disorders Research, RNA regulation and disease. 79 papers and 1.8k citations.
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The lumbar motor columns of a cynomolgus monkey that had become tetraplegic after experimental infection with a highly virulent strain of type 3 poliovirus were examined by electron microscopy. Crystalline aggregates of poliovirus occurred within the endoplasmic reticulum of endothelial cells as well as of mononuclear inflammatory cells. This finding suggests that the endoplasmic reticulum might be much more involved in poliovirus multiplication than has been previously supposed.
This paper describes a special form of mitochondria which has been observed using the electron microscope in certain astrocytes of the Syrian hamster brain. The interior structural pattern of these mitochondria is characterized by the presence of numerous equilateral prismatic tubules in a highly regular hexagonal arrangement, instead of the customary foliate cristae. Such mitochondria have been designated as "prismatic type," in contradistinction to the more usually encountered crista and tubular types. The findings are compared with the occasional similar findings reported in the literature, and their possible functional meaning is briefly discussed.