Personal profile
Education
- 2005 Ph.D., KAIST (Neuroscience)
- 2002 M.S., KAIST (Neuroscience)
- 2000 B.S., KAIST (Biological Sciences)
- 2002 M.S., KAIST (Neuroscience)
- 2000 B.S., KAIST (Biological Sciences)
Professional Experience
- 2007-2008 Researcher, Dept. of Neuroscience, Univ. of Texas Southwestern Medical Center
- 2008-2011 Postdoc, Dept. of Mol. Cell Biol., Stanford Univ.
- 2011-2017 Assistant/Associate Professor, Dept. of Biochem., Yonsei University
- 2017-present Associate Professor/Professor, Dept. of Brain Sciences, DGIST
- 2022-present Director, Center for Synapse Diversity and Specificity
- 2008-2011 Postdoc, Dept. of Mol. Cell Biol., Stanford Univ.
- 2011-2017 Assistant/Associate Professor, Dept. of Biochem., Yonsei University
- 2017-present Associate Professor/Professor, Dept. of Brain Sciences, DGIST
- 2022-present Director, Center for Synapse Diversity and Specificity
Research Interests
- Mechanisms of synapse formation and function
- Mechanisms of neural circuit architecture
- Pathogenic mechanisms underlying neuropsychiatric and/or neurodevelopmental disorders (autism, schizophrenia, depression,...)
- Development of new animal models for brain diseases
- Mechanisms of neural circuit architecture
- Pathogenic mechanisms underlying neuropsychiatric and/or neurodevelopmental disorders (autism, schizophrenia, depression,...)
- Development of new animal models for brain diseases
Major Research Achievements
- 2022 Best Resesearch Award, DGIST
- 2017 Best Academic Award, DGIST
- 2016 Presidential Young Scientists Award, The Korean Academy of Science and Technology & Ministry of Science, ICT, and Future Planning
- 2016 30 Young Scientists Award, POSTECH & Dong-A Ilbo
- 2014 Asan Medical Award, The Asan Foundation
- 2017 Best Academic Award, DGIST
- 2016 Presidential Young Scientists Award, The Korean Academy of Science and Technology & Ministry of Science, ICT, and Future Planning
- 2016 30 Young Scientists Award, POSTECH & Dong-A Ilbo
- 2014 Asan Medical Award, The Asan Foundation
URL
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Autism-associated ARHGEF9 variants impair GABAergic synapses and ultrasonic communication by reducing gephyrin phosphorylation
Jung, H., Kim, B., Jang, G., Lee, H., Kim, Y., Kim, H., Lee, H. J., Kim, D., Yang, Y., Jeong, W. C., Kim, S., Han, A. R., Kim, H. M., Papadopoulos, T., Durand, B., Francannet, C., Piton, A., Kim, J. Y., Ko, J. & Um, J. W., Mar 2026, In: Molecular Psychiatry. 31, 3, p. 1757-1773 17 p.Research output: Contribution to journal › Article › peer-review
Open Access -
CASKIN2 mediates PTPσ-orchestrated transsynaptic mechanisms at excitatory synapses
Han, K. A., Jang, G., Lee, H. Y., Kim, B., Kanato, T., Vas, V., Buday, L., Liu, X., Choi, S. Y., Um, J. W. & Ko, J., 18 Nov 2025, In: Proceedings of the National Academy of Sciences of the United States of America. 122, 46, e2509116122.Research output: Contribution to journal › Article › peer-review
Open Access -
EphB2 receptor tyrosine kinase-mediated excitatory synaptic functions are negatively modulated by MDGA2
Kim, H., Jeon, Y., Kim, S., Guo, Y., Kim, D., Jang, G., Brasch, J., Um, J. W. & Ko, J., Jul 2025, In: Progress in Neurobiology. 250, 102772.Research output: Contribution to journal › Article › peer-review
Open Access1 Scopus citations -
Erratum: LRRTM2 Functions as a Neurexin Ligand in Promoting Excitatory Synapse Formation (Neuron (2009) 64(6) (791–798), (S0896627309010022), (10.1016/j.neuron.2009.12.012))
Ko, J., Fuccillo, M. V., Malenka, R. C. & Südhof, T. C., 6 Aug 2025, In: Neuron. 113, 15, p. 2543-2545 3 p.Research output: Contribution to journal › Comment/debate
Open Access -
MDGAs as synaptic suppressors with implications in neurodevelopmental disorders
Ko, J., Dec 2025, In: Current Opinion in Neurobiology. 95, 103130.Research output: Contribution to journal › Review article › peer-review
1 Scopus citations