Ryouichi Ichikawa

• 小脳プルキンエ細胞上のシナプス構築形成機構の解明
• リーラーマウス大脳皮質投射神経細胞の形態形成の解明

• Ryoichi Ichikawa, Kenji Sakimura, Masahiko Watanabe. GluD2 Endows Parallel Fiber-Purkinje Cell Synapses with a High Regenerative Capacity. JOURNAL OF NEUROSCIENCE. 2016. 36. 17. 4846-4858
• Ichikawa R, Hashimoto K, Miyazaki T, Uchigashima M, Yamasaki M, Aiba A, Kano M, Watanabe M. Territories of heterologous inputs onto Purkinje cell dendrites are segregated by mGluR1-dependent parallel fiber synapse elimination. Proc Natl Acad Sci U S A. 2016. 113. 2282-2287
• Ryoichi Ichikawa, Miwako Yamasaki, Taisuke Miyazaki, Kohtarou Konno, Kouichi Hashimoto, Haruyuki Tatsumi, Yoshiro Inoue, Masanobu Kano, Masahiko Watanabe. Developmental Switching of Perisomatic Innervation from Climbing Fibers to Basket Cell Fibers in Cerebellar Purkinje Cells. JOURNAL OF NEUROSCIENCE. 2011. 31. 47. 16916-16927
• Hashimoto K, Ichikawa R, Kitamura K, Watanabe M, Kano M. Translocation of a "Winner" climbing fiber to the Purkinje cell dendrite and subsequent eliminatio of "losers" from the soma in developing cerebellum. Neuron. 2009. 6. 106-118
• Ichikawa R, Miyazaki T, Kano M, Hashikawa T, Tatsumi H, Sakimura K, Mishina M, Inoue Y, Watanabe M. Distal Extension of Climbing Fiber Territory and Multiple Innervation Caused by Aberrant Wiring to Adjacent Spiny Branchlets in Cerebellar Purkinje Cells Lacking Glutamate Receptor GluR2. J Neurosci,. 2002. 22. 8487-8503

• Transient neonatal expression of NR2B/2D subunit mRNAs of the N-methyl-D-aspartate receptor in the parasympathetic preganglionic neurons in the rat spinal cord. Brain Res Dev Brain Res. 2003. 140. 263-8
• Ovariectomy attenuates hyperpolarization and relaxation mediated by endothelium-derived hyperpolarizing factor in female rat mesenteric artery: a concomitant decrease in connexin-43 expression. J Cardiovasc Pharmacol. 2002. 40. 938-48
• Distal extension of climbing fiber territory and multiple innervation caused by aberrant wiring to adjacent spiny branchlets in cerebellar Purkinje cells lacking glutamate receptor delta 2. J Neurosci. 2002. 22. 8487-503
• Enhancement of hippocampal LTP, reference memory and sensorimotor gating in mutant mice lacking a telencephalon-specific cell adhesion molecule. Eur J Neurosci. 2001. 13. 179-89
• Roles of glutamate receptor delta 2 subunit (GluRdelta 2) and metabotropic glutamate receptor subtype 1 (mGluR1) in climbing fiber synapse elimination during postnatal cerebellar development. J Neurosci. 2001. 21. 9701-12

ｍore...

• - 1990 Hokkaido University
• - 1990 Hokkaido University

• PhD(Medical science)

• 1999 - 北海道医学会賞

日本生物物理学会 ,  日本エム・イー学会 ,  電子情報通信学会 ,  北米神経科学学会 ,  日本解剖学会 ,  日本神経科学学会 ,  The Biophysical Society of Japan ,  Japanese Society for Medical and Biological Engineering ,  Information and Communication Engineers ,  The Institute of Electronics ,  Society for Neuroscience ,  The Japanese Association of Anatomists ,  Japan Neuroscience Society