Brief History

Related Websites

Main Achievements

Papers

• Roppongi RT, Dhume SH, Padmanabhan N, et al. LRRTMs Organize Synapses through Differential Engagement of Neurexin and PTPσ [published online ahead of print, 2020 Jan 23]. Neuron. 2020;S0896-6273(20)30003-9. doi:10.1016/j.neuron.2020.01.003
• Roppongi RT, Champagne-Jorgensen KP, Siddiqui TJ. (2017). Low Density Primary Hippocampal Neuron Culture. Journal of Visualized Experiments. J Vis Exp. (122). First Listed Author
• Roppongi RT, Karimi B, Siddiqui TJ. (2016). Role of LRRTMs in synapse development and plasticity. Neuroscience Research. Neuroscience Research. 116: 18-28. First Listed Author
• Ohara Y, Koganezawa N, Yamazaki H, Roppongi RT, Sato K, Sekino Y, Shirao T. (2015). Early-stage development of human-induced pluripotent stem cell (hiPSC)-derived neurons. Journal of Neuroscience Research. 93(12): 1804-1813. Co-Author Published
• Yamazaki H, Kojima N, Kato K, Hirose E, Iwasaki T, Mizui T, Takahashi H, Hanamura K, Roppongi RT, Koibuchi N, Sekino Y, Mori N, Shirao T. “Spikar, a novel drebrin-binding protein, regulates the formation and stabilization of dendritic spines.” J Neurochem 128(4): 507-22 (2013)
• Roppongi, Kojima N, Hanamura K, Yamazaki H, Shirao T. “Selective reduction of drebrin and actin in dendritic spines of hippocampal neurons by activation of 5-HT(2A) receptors.” Neuroscience Letters 547: 76-81 (2013)
• Hanamura, K, Mizui T, Kakizaki T, Roppongi RT, Yamazaki H, Yanagawa Y, Shirao T. “Low accumulation of drebrin at glutamatergic postsynaptic sites on GABAergic neurons” Neuroscience 169: 1489-1500 (2010)

Conference Presentations

• Roppongi RT, Miao S, Shirao T “Activation of 5-HT2A receptor in Vitro reduces drebrin cluster from dendritic spines via NMDA receptor activation.” (2014) The 5th Annual Meeting ISRN, Gunma, Japan
• Koganezawa N, Ohara Y, Yamazaki H, Roppongi RT, Sato K, Sekino Y, Shirao T (2014) “Early stage development of human iPSCs-derived neurons.” Society for Neuroscience 44nd Annual Meeting, Washington DC, USA
• Sekino Y, Ootsu M, Ohara Y, Yamazaki H, Sato K, Roppongi RT, Koganezawa N, Shirao T (2014) “Effects of valproic acid and astemizole on the neurite growth of human iPSCs-derived neurons.” Safety Phamacology Society, The 14th Annual Meeting, Washington DC, USA
• Roppongi RT “Early development of iPSC-drived neurons.” The 6th ISN special conference satellite symposium 2014, Tokyo, Japan (Invited Presentations)
• T. Roppongi, K.Hanamura, Y. Ishizuka, T. Shirao “5-HT2A receptor activation reduces the accumulation of drebrin in dendritic spines.” The 24th ISN Biennial Meeting 2013, Cancun, Mexico
• Roppongi RT, Shirao T. (2012) “5-HT2A receptor activation is reduces the accumulation of drebrin in dendritic spines.” Society for Neuroscience 42nd Annual Meeting, New Orleans, USA

Awards