Modulation of neural circuit organization by synaptic suppressors

Jaewon Ko, PhD
Director
Center for Synapse Diversity and Specificity 

Professor
Daegu Gyeongbuk Institute of Science and Technology (DGIST)

This conference is hosted by Hideto Takahashi, MD, PhD.

In person: 
André-Barbeau Room
110, avenue des Pins O, H2W 1R7 Montreal

About this conference
Synapses are fundamental information units of the brain that function by establishing and regulating innumerable overlapping and interdigitating neural circuits between neurons. Synaptic cell-adhesion molecules (CAMs) are central synapse organizers that structurally align pre- and post-synaptic membranes and functionally coordinate assembly of pre- and post-synaptic machineries that are essential for instructing cell-type specificity, neuronal specification, and the diversity of individual synapse functions. My laboratory has spent recent years identifying key synaptic CAMs and studying their mechanisms in shaping distinct synaptic signaling pathways. Our hypothesis is that the number, location, and properties of diverse synapses are determined by interactions between pre- and postsynaptic CAMs and their associated signaling molecules, and we refer to the rules by which the network of these proteins build neural circuits as the molecular logic of neural circuit architecture. In this talk, I will discuss our recent studies on modulation of trans-synaptic mechanisms tuned by a specific class of membrane-anchored proteins and touch on potential implications not only for understanding how neural circuits are designed, but also how brain disorders might be driven, at least in part, by synaptic impairments.

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