Specific gene expression and possible involvement of inflammation in methamphetamine-induced neurotoxicity

Masato Asanuma, Ikuko Miyazaki, Youichirou Higashi, Takeshi Tsuji, Norio Ogawa

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

To reveal specific gene expression in methamphetamine (METH) -induced dopamine neurotoxicity, temporal characteristics of METH-induced changes in gene expression in dopaminergic neuronal cells were examined using the cDNA array and the differential display method. A number of genes in the class of "trafficking & protein turnover," "metabolic pathways," "transmitters & receptors," and "growth factors, cytokines" were upregulated after the METH treatment in the cDNA array assay. Whereas, some genes related to trafficking & protein turnover and "modulators, effectors & intracellular transducers" were decreased by METH. Some proteins associated with synaptic vesicle transportation indeed up- or downregulated after the METH treatment. These data suggest that the protein trafficking and degradation system is involved in the dopaminergic cell death induced by METH. Furthermore, focusing on inflammatory reactions after METH injection, possible neuroprotective property of nonsteroidal anti-inflammatory drugs were examined against METH-induced neurotoxicity. Coadministration of NSAID with METH significantly attenuated striatal dopamine terminal degeneration and microgliosis induced by METH, suggesting that the protective effects are based on their inhibitory activity on production of cytokines and nitric oxides or their suppressive action against microglia activation.

Original languageEnglish
Pages (from-to)69-75
Number of pages7
JournalAnnals of the New York Academy of Sciences
Volume1025
DOIs
Publication statusPublished - 2004

Fingerprint

Methamphetamine
Gene expression
Inflammation
Gene Expression
Oligonucleotide Array Sequence Analysis
Dopamine
Proteins
Complementary DNA
Genes
Protein
Cytokines
Corpus Striatum
Growth Factor Receptors
Synaptic Vesicles
Microglia
Non-Steroidal Anti-Inflammatory Agents
Protein Transport
Cell death
Metabolic Networks and Pathways
Transducers

Keywords

  • Inflammation
  • Methamphetamine
  • Profiling

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Specific gene expression and possible involvement of inflammation in methamphetamine-induced neurotoxicity. / Asanuma, Masato; Miyazaki, Ikuko; Higashi, Youichirou; Tsuji, Takeshi; Ogawa, Norio.

In: Annals of the New York Academy of Sciences, Vol. 1025, 2004, p. 69-75.

Research output: Contribution to journalArticle

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