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A three-dimensional single-cell-resolution whole-brain atlas using CUBIC-X expansion microscopy and tissue clearing

  • Tatsuya C. Murakami
  • , Tomoyuki Mano
  • , Shu Saikawa
  • , Shuhei A. Horiguchi
  • , Daichi Shigeta
  • , Kousuke Baba
  • , Hiroshi Sekiya
  • , Yoshihiro Shimizu
  • , Kenji F. Tanaka
  • , Hiroshi Kiyonari
  • , Masamitsu Iino
  • , Hideki Mochizuki
  • , Kazuki Tainaka
  • , Hiroki R. Ueda

Research output: Contribution to journal › Article › peer-review

Abstract

A three-dimensional single-cell-resolution mammalian brain atlas will accelerate systems-level identification and analysis of cellular circuits underlying various brain functions. However, its construction requires efficient subcellular-resolution imaging throughout the entire brain. To address this challenge, we developed a fluorescent-protein-compatible, whole-organ clearing and homogeneous expansion protocol based on an aqueous chemical solution (CUBIC-X). The expanded, well-cleared brain enabled us to construct a point-based mouse brain atlas with single-cell annotation (CUBIC-Atlas). CUBIC-Atlas reflects inhomogeneous whole-brain development, revealing a significant decrease in the cerebral visual and somatosensory cortical areas during postnatal development. Probabilistic activity mapping of pharmacologically stimulated Arc-dVenus reporter mouse brains onto CUBIC-Atlas revealed the existence of distinct functional structures in the hippocampal dentate gyrus. CUBIC-Atlas is shareable by an open-source web-based viewer, providing a new platform for whole-brain cell profiling.

Original languageEnglish
Pages (from-to)625-637
Number of pages13
JournalNature Neuroscience
Volume21
Issue number4
DOIs
Publication statusPublished - 2018 Apr 1

ASJC Scopus subject areas

  • General Neuroscience

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