NO/cGMP/PKG signaling pathway induces magnesium release mediated by mitoKATP channel opening in rat hippocampal neurons

Ryu Yamanaka, Yutaka Shindo, Kohji Hotta, Koji Suzuki, Kotaro Oka

研究成果: Article

16 引用 (Scopus)

抜粋

Intracellular Mg2+ concentration ([Mg2+]i) and NO regulate cell survival and death. To reveal the involvement of NO in intracellular Mg2+ regulation, we visualized intracellular Mg 2+ using the fluorescent Mg2+ indicator KMG-104-AM in rat hippocampal neurons. Pharmacological experiments using SNAP, 8-Br-cGMP, diazoxide and several inhibitors revealed that the NO/cGMP/Protein kinsase G (PKG) signaling pathway triggers an increase in [Mg2+]i, and that Mg2+ mobilization is due to Mg2+ release from mitochondria induced by mitoKATP channel opening. In addition, Mg2+ release is potentiated by the positive feedback loop including mitoKATP channel opening, mitochondrial depolarization and PKC activation.

元の言語English
ページ(範囲)2643-2648
ページ数6
ジャーナルFEBS Letters
587
発行部数16
DOI
出版物ステータスPublished - 2013 8 19

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

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