DIP/WISH deficiency enhances synaptic function and performance in the Barnes maze

Suhail Asrar, Keiko Kaneko, Keizo Takao, Jaina Negandhi, Makoto Matsui, Koji Shibasaki, Tsuyoshi Miyakawa, Robert V. Harrison, Zhengping Jia, Michael W. Salter, Makoto Tominaga, Tomoko Fukumi-Tominaga

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Background: DIP (diaphanous interacting protein)/WISH (WASP interacting SH3 protein) is a protein involved in cytoskeletal signaling which regulates actin cytoskeleton dynamics and/or microtubules mainly through the activity of Rho-related proteins. Although it is well established that: 1) spine-head volumes change dynamically and reflect the strength of the synapse accompanying long-term functional plasticity of glutamatergic synaptic transmission and 2) actin organization is critically involved in spine formation, the involvement of DIP/WISH in these processes is unknown. Results: We found that DIP/WISH-deficient hippocampal CA1 neurons exhibit enhanced long-term potentiation via modulation of both pre- and post-synaptic events. Consistent with these electrophysiological findings, DIP/WISH-deficient mice, particularly at a relatively young age, found the escape hole more rapidly in the Barnes maze test. Conclusions: We conclude that DIP/WISH deletion improves performance in the Barnes maze test in mice probably through increased hippocampal long-term potentiation.

本文言語English
論文番号39
ジャーナルMolecular brain
4
1
DOI
出版ステータスPublished - 2011
外部発表はい

All Science Journal Classification (ASJC) codes

  • 分子生物学
  • 細胞および分子神経科学

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