Possible roles of transglutaminases in Alzheimer's disease

T. Yamada, Y. Yosshiyama, N. Kawaguchi, A. Ichinose, Toru Iwaki, S. Hirose, W. A. Jefferies

Research output: Contribution to journalArticle

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Abstract

The localizations of two transglutaminases [factor XIIIa and tissue transglutaminase (tTG)] and their mRNAs were examined in human brain tissues from neurologically normal and Alzheimer disease (AD) cases, using immunohistochemical and in situ hybridization methods. In all cases, meningeal macrophages and ependymal macrophage/microglia were positive for factor XIIIa. The mRNA encoding factor XIIIa was detected in macrophages and microglia. As reported previously, intense staining with the antibody to factor XIIIa of a subset of microglia was seen in the parietal cortex in AD brains. Few or no microglia were found associated with classical senile plaques. In contrast, many labeled microglia were associated with primitive plaques. Furthermore, most of these cells were mainly seen in the subpial cortical layer but were very rare in the hippocampus. On the other hand, few factor-XIIIa-positive microglia were found in the parietal cortices from non-neurological cases, but moderate numbers were found in their hippocampal tissues. TG and its mRNA were localized in astrocytes in all the cases. In AD, a few neurofibrillary tangles were positive to tTG. These results suggest that the subsets of microglia which express factor XIIIa may play some roles in the early phase of AD pathology.

Original languageEnglish
Pages (from-to)103-110
Number of pages8
JournalDementia and Geriatric Cognitive Disorders
Volume9
Issue number2
DOIs
Publication statusPublished - Jan 1 1998

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Factor XIIIa
Transglutaminases
Microglia
Alzheimer Disease
Parietal Lobe
Macrophages
Messenger RNA
Neurofibrillary Tangles
Amyloid Plaques
Brain
Astrocytes
In Situ Hybridization
Hippocampus
Pathology
Staining and Labeling
Antibodies

All Science Journal Classification (ASJC) codes

  • Geriatrics and Gerontology
  • Cognitive Neuroscience
  • Psychiatry and Mental health

Cite this

Yamada, T., Yosshiyama, Y., Kawaguchi, N., Ichinose, A., Iwaki, T., Hirose, S., & Jefferies, W. A. (1998). Possible roles of transglutaminases in Alzheimer's disease. Dementia and Geriatric Cognitive Disorders, 9(2), 103-110. https://doi.org/10.1159/000017031

Possible roles of transglutaminases in Alzheimer's disease. / Yamada, T.; Yosshiyama, Y.; Kawaguchi, N.; Ichinose, A.; Iwaki, Toru; Hirose, S.; Jefferies, W. A.

In: Dementia and Geriatric Cognitive Disorders, Vol. 9, No. 2, 01.01.1998, p. 103-110.

Research output: Contribution to journalArticle

Yamada, T, Yosshiyama, Y, Kawaguchi, N, Ichinose, A, Iwaki, T, Hirose, S & Jefferies, WA 1998, 'Possible roles of transglutaminases in Alzheimer's disease', Dementia and Geriatric Cognitive Disorders, vol. 9, no. 2, pp. 103-110. https://doi.org/10.1159/000017031
Yamada, T. ; Yosshiyama, Y. ; Kawaguchi, N. ; Ichinose, A. ; Iwaki, Toru ; Hirose, S. ; Jefferies, W. A. / Possible roles of transglutaminases in Alzheimer's disease. In: Dementia and Geriatric Cognitive Disorders. 1998 ; Vol. 9, No. 2. pp. 103-110.
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