Investigation of Postnatal Craniofacial Bone Development with Tissue Clearing-Based Three-Dimensional Imaging

Wenjing Luo, Yating Yi, Dian Jing, Shiwen Zhang, Yi Men, Woo Ping Ge, Hu Zhao

Research output: Contribution to journalArticle

Abstract

Traditional two-dimensional histological sections and microcomputed tomography remain to be the major tools for studying craniofacial bones despite the complicated spatial organization of craniofacial organs. Recently, our laboratory developed the Poly(Ethylene Glycol) Associated Solvent System (PEGASOS) tissue clearing method, which can efficiently render hard tissues, including bones and teeth fully transparent without losing endogenous fluorescent signals. Complete tissue transparency enables us to acquire three-dimensional (3D) images of craniofacial bone vasculature, osteogenesis utilizing various labeling strategies, thus to investigate the spatial relationship among different tissues during postnatal craniofacial development. We found out that during the early stage of postnatal development, craniofacial osteogenesis occurs throughout the entire craniofacial bones, including the periosteum, dura, bone marrow, and suture. After 3-4 weeks, craniofacial osteogenesis is gradually restricted to the suture region and remaining bone marrow space. Similarly, craniofacial bone vasculature gradually restricts to the suture region. Osteogenesis is spatially associated with vasculature during the entire postnatal development. Importantly, we demonstrated that in adult calvarial bones, Gli1+ mesenchymal stem cells were also spatially associated with the vasculature. These findings indicate that craniofacial bones share similar osteogenesis mechanism as the long bone despite their distinct osteogenic mechanisms. In addition, the PEGASOS tissue clearing method-based 3D imaging technique is a useful new tool for craniofacial research.

Original languageEnglish (US)
Pages (from-to)1310-1321
Number of pages12
JournalStem Cells and Development
Volume28
Issue number19
DOIs
StatePublished - Oct 1 2019

Fingerprint

Three-Dimensional Imaging
Bone Development
Bone and Bones
Osteogenesis
Sutures
Ethylene Glycol
Bone Marrow
X-Ray Microtomography
Periosteum
Mesenchymal Stromal Cells
Tooth
Research

Keywords

  • craniofacial bone
  • mesenchymal stem cells
  • PEGASOS
  • suture
  • tissue clearing
  • vasculature

ASJC Scopus subject areas

  • Hematology
  • Developmental Biology
  • Cell Biology

Cite this

Investigation of Postnatal Craniofacial Bone Development with Tissue Clearing-Based Three-Dimensional Imaging. / Luo, Wenjing; Yi, Yating; Jing, Dian; Zhang, Shiwen; Men, Yi; Ge, Woo Ping; Zhao, Hu.

In: Stem Cells and Development, Vol. 28, No. 19, 01.10.2019, p. 1310-1321.

Research output: Contribution to journalArticle

Luo, Wenjing ; Yi, Yating ; Jing, Dian ; Zhang, Shiwen ; Men, Yi ; Ge, Woo Ping ; Zhao, Hu. / Investigation of Postnatal Craniofacial Bone Development with Tissue Clearing-Based Three-Dimensional Imaging. In: Stem Cells and Development. 2019 ; Vol. 28, No. 19. pp. 1310-1321.
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