Astroglial expression of ATL-derived factor, a human thioredoxin homologue, in the gerbil brain after transient global ischemia

Hidekazu Tomimoto, Ichiro Akiguchi, Hideaki Wakita, Jun Kimura, Kotaroh Hori, Junji Yodoi

Research output: Contribution to journalArticle

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Abstract

Distribution of adult T cell leukemia derived factor (ADX/TRX), a human thioredoxin homologue, was studied by immunohistochemistry in gerbil brain during reperfusion after transient cerebral ischemia. In control brains, immunoreactivity was observed widely in the central nervous system, including the ependyma, tanycytes, endothelial cells as well as subcommisural organs, and weakly in the neuronal cell bodies. During reperfusion, ADF/TRX was expressed in glial cells in the CA1 and dentate hilus of the hippocampus, and in a few cases in the lateral portion of the caudateputamen. ADF/TRX positive glias first appeared after reperfusion for 24 h, and the intensity of staining peaked at 72 h and diminished after 7 days of reperfusion. They were concentrated around microvessels and identified to be astroglia by double labeling immunohistochemistry with glial fibrillary acidic protein as marker. Immunoblotting analysis demonstrated an increase of ADF/TRX in the postischemic hippocampus. Astroglial expression of ADF/TRX in postichemic injuries suggests a role in neuroprotection by hydrogen peroxide reducing and protein-refolding activities or in modulation of local immune responses.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalBrain Research
Volume625
Issue number1
DOIs
Publication statusPublished - 15-10-1993

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Thioredoxins
Gerbillinae
Reperfusion
Ischemia
Brain
Hippocampus
Immunohistochemistry
Ependyma
Protein Refolding
Ependymoglial Cells
Glial Fibrillary Acidic Protein
Transient Ischemic Attack
Microvessels
Immunoblotting
Neuroglia
Astrocytes
Hydrogen Peroxide
Central Nervous System
Endothelial Cells
Staining and Labeling

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

Cite this

Tomimoto, Hidekazu ; Akiguchi, Ichiro ; Wakita, Hideaki ; Kimura, Jun ; Hori, Kotaroh ; Yodoi, Junji. / Astroglial expression of ATL-derived factor, a human thioredoxin homologue, in the gerbil brain after transient global ischemia. In: Brain Research. 1993 ; Vol. 625, No. 1. pp. 1-8.
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Astroglial expression of ATL-derived factor, a human thioredoxin homologue, in the gerbil brain after transient global ischemia. / Tomimoto, Hidekazu; Akiguchi, Ichiro; Wakita, Hideaki; Kimura, Jun; Hori, Kotaroh; Yodoi, Junji.

In: Brain Research, Vol. 625, No. 1, 15.10.1993, p. 1-8.

Research output: Contribution to journalArticle

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