X-ray nanoscope with synapse resolution for neuronal circuit reconstruction

Haruo Mizutani, Hiroshi Sagara, Takuji Ohigashi, Toshihisa Takagi

Research output: Contribution to conferencePaperResearch


Neural circuits in the central nervous system are the substrate of various high-order brain functions. Anatomical and functional graph structures of neural networks with actual connections will provide us with perspectives to elucidate the brain complex system. Here, we aim to develop a three-dimensional mouse brain atlas of neural circuits using high resolution x-ray tomography by synchrotron radiation. It will not only identify a large number of synapses but also clarify the structure of neuronal networks for understanding the most complicated organ in the body. In this study, a nano-resolution full-field x-ray microscope revealed nerve fibers and organelles including mitochondria and synapses in the mouse cerebral cortex. Fig. a shows chematic layout of the x-ray optical system and Fig. b demonstrated soft x-ray micrograph of the neural tissue slice. In the near future, we will utilize that information to begin deciphering the wiring diagram of the brain by applying the nano-resolution x-ray tomography.
Original languageEnglish
Publication statusPublished - 15 Nov 2010
Externally publishedYes
Event40th Annual Meeting of the Society for Neuroscience - San Diego, United States
Duration: 13 Nov 201017 Nov 2010
Conference number: 40


Conference40th Annual Meeting of the Society for Neuroscience
Country/TerritoryUnited States
CitySan Diego


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