Generation of a Transgenic Zebrafish Model for Pancreatic Beta Cell Regeneration

Authors

  • Hossein Pourghadamyari Department of Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  • Mohammad Rezaei Fishery Faculty, Gorgan University of Agriculture Science and Natural Resources, Gorgan, Iran
  • Mohsen Basiri Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
  • Yaser Tahamtani Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
  • Behrouz Asgari Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
  • Seyedeh-Nafiseh Hassani Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
  • Reza Meshkani Department of Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  • Taghi Golmohammadi Department of Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  • Hossein Baharvand 1. Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran2. Department of Developmental Biology, University of Science and Culture, Tehran, Iran

DOI:

https://doi.org/10.31661/gmj.v8i.1056

Keywords:

Diabetes, Pancreatic Beta Cells, Regeneration, Genetically Modified Animals

Abstract

Background: Diabetes is a major worldwide health problem. It is widely accepted that the beta cell mass decreases in type I diabetes (T1D). Accordingly, beta cell regeneration is a promising approach to increase the beta cell mass in T1D patients. However, the underlying mechanisms of beta cell regeneration have yet to be elucidated. One promising avenue is to create a relevant animal model to explore the underlying molecular and cellular mechanisms of beta cell regeneration. The zebrafish can be considered a model in beta cell regeneration studies because the pancreas structure and gene expression pattern are highly conserved between human and zebrafish. Materials and Methods: In this study, the Tol2 transposase was exploited to generate a Tg(Ins:egfp-nfsB) zebrafish model that expressed a fusion protein composed of enhanced green fluorescent protein (EGFP) and nitroreductase (NTR) under control of the Ins promoter. Results: Metronidazole (MTZ) treatment of Tg(ins:egfp-nfsB) zebrafish larvae led to selective ablation of beta cells. Proof-of-concept evidence for beta cell regeneration in the transgenic larvae was observed two days after withdrawal of MTZ. Conclusion: This study suggests that the Tg(ins:egfp-nfsB) zebrafish can be used as a disease model to study beta cell regeneration and elucidate underlying mechanisms during the regeneration process. [GMJ.2019;8:e1056]

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Published

2019-11-06

How to Cite

Pourghadamyari, H., Rezaei, M., Basiri, M., Tahamtani, Y., Asgari, B., Hassani, S.-N., … Baharvand, H. (2019). Generation of a Transgenic Zebrafish Model for Pancreatic Beta Cell Regeneration. Galen Medical Journal, 8, e1056. https://doi.org/10.31661/gmj.v8i.1056

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Original Article