Localization of manganese superoxide dismutase in the cerebral cortex and hippocampus of Alzheimer-type senile dementia

Maeda, M.; Takagi, H.; Hattori, H.; Matsuzaki, T.

Osaka City Medical Journal 43(1): 1-5

1997


ISSN/ISBN: 0030-6096
PMID: 9343989
Document Number: 470930
Manganese-superoxide dismutase (Mn-SOD) was localized in the cerebral cortex and hippocampus of patients with Alzheimer-type senile dementia (ATD) by immunocytochemistry and the relationship of Mn-SOD with two major pathological features of ATD, i.e., senile plaques and neurofibrillar tangles (NFTs), was examined. Many astrocytes in senile plaques exhibited strong immunoreactivity for both Mn-SOD and glial fibrillar acidic protein (GFAP) on serial section analysis. This suggests that Mn-SOD scavenger system is associated with the formation of senile plaques. On the other hand, Mn-SOD immunoreactivity was not significant in NFT-loaded neurons.

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