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Updated: Jul 3, 2026

Single-cell Microinjection for Cell Communication Analysis
Published on: February 26, 2017
Functional crosstalk between cell-surface and intracellular channels mediated by junctophilins essential for neuronal
Sho Kakizawa1, Shigeki Moriguchi, Atsushi Ikeda
1Department of Pharmacology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
Abstract:
Junctophilins (JPs) contribute to the formation of junctional membrane complexes between the plasma membrane and the endoplasmic/sarcoplasmic reticulum, and provide a structural platform for channel communication during excitation-contraction coupling in muscle cells. In the brain, two neuronal JP subtypes are widely expressed in neurons. Recent studies have defined the essential role of neural JPs in the communication between cell-surface and intracellular channels, which modulates the excitability and synaptic plasticity of neurons in the cerebellum and hippocampus.
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