Nippon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics
Print ISSN : 0300-9173
Immunohistochemical Studies on S-100β Positive Structures in the Human Hippocampus in Regard to Age and Morphological Change of Dementia
Tsuneko SatoYoshitake ItoOsamu MiyaishiKenji KohtaniYoshiaki MizunoHisashi TauchiKanefusa KatoToshiaki Inagaki
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1992 Volume 29 Issue 6 Pages 486-497

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Abstract

The histological localization of S-100β protein in the hippocampus of human autopsy brains of 47 males (71-103 years old) and 90 females (56-104 years old) was studied immunohistochemically. Astrocytes and their processes were positively stained, but neuronal cells were not stained. However, Alzheimer's neurofibrillary tangle-like, senile plaque-like and fibrillary spindle figures were stained positively. S-100β positive structures increased in grade with age, but not always equally on Alzheimer's neurofibrillary tangles or senile plaques stained by Bodian method. Astrocytes decreased in number with age, and showed marked compensatory hypertrophy of their processes. S-100β positive structures seemed to be related to astroglial changes in terms of degeneration or loss of synapses.

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© The Japan Geriatrics Society
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