Effects of repeated cyclosporin A administration on iminodipropionitrile-induced dyskinesia and TRE-/CRE-binding activities in rat brain

Kyoko Iida, Emi Iwata, Masato Asanuma, Sakiko N. Asanuma, Marvin Gómez-Vargas, Ikuko Miyazaki, Tohru Nakanishi, Norio Ogawa

Research output: Contribution to journalArticle

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Abstract

To clarify the involvement of immunophilin ligands in the pathogenesis and pathophysiology of dyskinesia, we examined the effects of repeated administration of cyclosporin A (CsA) on rat dyskinesia induced by repeated injection of iminodipropionitrile (IDPN 100 mg/kg, i.p., for 7 days). The addition of CsA treatment (5 mg/kg, s.c., 1 h before each IDPN injection) exacerbated IDPN-induced dyskinesia. In the group treated with both CsA and IDPN, the concentration of dopamine was significantly increased in the striatum and nucleus accumbens compared with the group treated with IDPN alone. Furthermore, in the electrophoretic mobility shift assay, the injection of CsA + IDPN increased binding activities of transcription factors to the TPA (12-O-tetradecanoylphorbol-13-acetate)-responsive element (TRE) and to the cAMP response element (CRE) in the striatum and nucleus accumbens, compared with those in rats treated with IDPN alone. The levels of D1-receptor mRNA in the striatum were significantly decreased in the IDPN-treated rats but were at the control level in the rats given CsA + IDPN. These findings suggest that the behavioral aggravation of the IDPN-induced dyskinesia caused by CsA administration may be due to the acceleration of the pre- and post-synaptic dopaminegic systems via activation of transcription factors which bind upstream to tyrosine hydroxylase and D1-receptor genes, and that the immunophilin binding agents such as CsA are involved in this aggravated dyskinesia.

Original languageEnglish
Pages (from-to)185-193
Number of pages9
JournalNeuroscience Research
Volume30
Issue number2
DOIs
Publication statusPublished - Feb 1998

Fingerprint

Dyskinesias
Response Elements
Cyclosporine
Brain
Immunophilins
Nucleus Accumbens
Injections
Transcription Factors
Tyrosine 3-Monooxygenase
Electrophoretic Mobility Shift Assay
Tetradecanoylphorbol Acetate
Dopamine
Ligands
Messenger RNA
Genes

Keywords

  • Basal ganglia
  • D-/D-receptor mRNA
  • Dopamine system
  • Immunophilin
  • Transcription factor
  • Tyrosine hydroxylase

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Effects of repeated cyclosporin A administration on iminodipropionitrile-induced dyskinesia and TRE-/CRE-binding activities in rat brain. / Iida, Kyoko; Iwata, Emi; Asanuma, Masato; Asanuma, Sakiko N.; Gómez-Vargas, Marvin; Miyazaki, Ikuko; Nakanishi, Tohru; Ogawa, Norio.

In: Neuroscience Research, Vol. 30, No. 2, 02.1998, p. 185-193.

Research output: Contribution to journalArticle

Iida, Kyoko ; Iwata, Emi ; Asanuma, Masato ; Asanuma, Sakiko N. ; Gómez-Vargas, Marvin ; Miyazaki, Ikuko ; Nakanishi, Tohru ; Ogawa, Norio. / Effects of repeated cyclosporin A administration on iminodipropionitrile-induced dyskinesia and TRE-/CRE-binding activities in rat brain. In: Neuroscience Research. 1998 ; Vol. 30, No. 2. pp. 185-193.
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