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Deep Tissue Clearing for Three-dimensional Imaging Analysis of Murine Pancreas

  • Anatomy & Biological Anthropology
  • Abbr : Anat Biol Anthropol
  • 2022, 35(2), pp.57~66
  • DOI : 10.11637/aba.2022.35.2.57
  • Publisher : 대한체질인류학회
  • Research Area : Medicine and Pharmacy > Anatomy
  • Received : April 14, 2022
  • Accepted : May 26, 2022
  • Published : June 30, 2022

Nanda Maya Mali 1 Jung Min Park 2 KIM GIL HYUN 3 Choi Dong-Hwa 4 Raul Ramos 5 JongHyuk Lee ORD ID 6 Eu Jeong Ku ORD ID 7 JI WON OH 8

1경북대학교(의,치대)
2경북대학교
3주식회사 바이나리
4재단법인 경기도경제과학진흥원
5
6대구가톨릭대학교
7충북대학교
8연세대학교

Accredited

ABSTRACT

Optical imaging of the vascular system is necessary for structural, functional, developmental, and pathological biology. Recent developments in optical tissue-clearing methods have significantly advanced largescale tissue researches by integrating a three-dimensional (3D) visualization of topographical vasculature, so we aimed to enhance the vascular structure of the murine pancreas which are highly vascularized structure. In this study, the adult C57/BL6 murine pancreatic tissue was cleared after lectin staining, resulting in the reconstructed structures for 3D imaging within a short period without damaging. Enhancing the visualization processes using light-sheet fluorescence microscopy (LSFM) together with 3D reconstruction imaging tool, we studied in depth of the entire vascular system, which further enabled to reconstruct 3D structure of the vasculature in pancreas and islets. We successfully implemented the normal murine pancreatic tissues including exocrine and endocrine cells and vascular structures, reflecting pancreatic β-cell function. The size of islets of each pancreatic lobe were not different but the number of islets in each lobe was variable in our quantification. In conclusion, this deep tissue clearing technique for 3D imaging could be applied in future studies to further understand the topological interactions of various cells and blood vessels within intact organs and tissues.

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