Ischemic preconditioning-induced expression of gp130 and STAT3 in astrocytes of the rat hippocampus

Seong Yun Kim, Hyun Jung Park, Jeong Sun Choi, Ju Eun Lee, Jung Ho Cha, Yun Sik Choi, Kyung Ok Cho, Myung Hoon Chun, Mun Yong Lee

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We investigated the distribution and time course of expression of both gp130 mRNA and signal transducer and activator of transcription factor-3 (STAT3) in a rat model of ischemic tolerance induction. Forebrain ischemia was induced by four-vessel occlusion for 3 min as an ischemic preconditioning. Ischemic preconditioning 3 days before a 10-min lethal ischemia preserved neuronal signal. Expression of gp130 mRNA was induced 12 h after ischemic preconditioning, and was most prominent in the CA1 and the hilar region at 3 days, with expression sustained for at least 7 days. Ischemic preconditioning-induced STAT3 activation, as revealed by nuclear translocation, resembled that of gp130 expression. Nuclear STAT3 immunoreactivity occurred in the CA1 and the hilar region within 12 h after ischemic preconditioning, and was sustained for at least 7 days. Double-labeling experiments revealed that the cells expressing gp130 or STAT3 were glial fibrillary acidic protein (GFAP) immunoreactive astrocytes. These results demonstrate upregulation of gp130 and STAT3 in reactive astrocytes following ischemic preconditioning, indicating that this signal pathway is involved in the astroglial reaction to ischemic preconditioning in the rat hippocampus.

Original languageEnglish (US)
Pages (from-to)96-103
Number of pages8
JournalMolecular Brain Research
Volume129
Issue number1-2
DOIs
StatePublished - Oct 22 2004

Fingerprint

Cytokine Receptor gp130
Transcription Factor 3
STAT3 Transcription Factor
Ischemic Preconditioning
Astrocytes
Hippocampus
Ischemia
Messenger RNA
Glial Fibrillary Acidic Protein
Prosencephalon
Signal Transduction
Up-Regulation

Keywords

  • gp130
  • Ischemic preconditioning
  • Reactive astrocytes
  • STAT3 signal transduction

ASJC Scopus subject areas

  • Molecular Biology
  • Cellular and Molecular Neuroscience

Cite this

Kim, S. Y., Park, H. J., Choi, J. S., Lee, J. E., Cha, J. H., Choi, Y. S., ... Lee, M. Y. (2004). Ischemic preconditioning-induced expression of gp130 and STAT3 in astrocytes of the rat hippocampus. Molecular Brain Research, 129(1-2), 96-103. https://doi.org/10.1016/j.molbrainres.2004.06.025

Ischemic preconditioning-induced expression of gp130 and STAT3 in astrocytes of the rat hippocampus. / Kim, Seong Yun; Park, Hyun Jung; Choi, Jeong Sun; Lee, Ju Eun; Cha, Jung Ho; Choi, Yun Sik; Cho, Kyung Ok; Chun, Myung Hoon; Lee, Mun Yong.

In: Molecular Brain Research, Vol. 129, No. 1-2, 22.10.2004, p. 96-103.

Research output: Contribution to journalArticle

Kim, SY, Park, HJ, Choi, JS, Lee, JE, Cha, JH, Choi, YS, Cho, KO, Chun, MH & Lee, MY 2004, 'Ischemic preconditioning-induced expression of gp130 and STAT3 in astrocytes of the rat hippocampus', Molecular Brain Research, vol. 129, no. 1-2, pp. 96-103. https://doi.org/10.1016/j.molbrainres.2004.06.025
Kim, Seong Yun ; Park, Hyun Jung ; Choi, Jeong Sun ; Lee, Ju Eun ; Cha, Jung Ho ; Choi, Yun Sik ; Cho, Kyung Ok ; Chun, Myung Hoon ; Lee, Mun Yong. / Ischemic preconditioning-induced expression of gp130 and STAT3 in astrocytes of the rat hippocampus. In: Molecular Brain Research. 2004 ; Vol. 129, No. 1-2. pp. 96-103.
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