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- Title
TMT-Based Quantitative Proteomic Analysis Reveals the Key Role of Cell Proliferation and Apoptosis in Intestine Regeneration of Apostichopus japonicus.
- Authors
Zeng, Chuili; Xiao, Ke; Shi, Qilin; Zhan, Xu; Li, Chenghua
- Abstract
Sea cucumbers are widely known for their powerful regenerative abilities, which allow them to regenerate a complete digestive tract within a relatively short time following injury or autotomy. Recently, even though the histological changes and cellular events in the processes of intestinal regeneration have been extensively studied, the molecular machinery behind this faculty remains unclear. In this study, tandem mass tag (TMT)-based quantitation was utilized to investigate protein abundance changes during the process of intestine regeneration. Approximately 538, 445, 397, 1012, and 966 differential proteins (DEPs) were detected (p < 0.05) between the normal and 2, 7, 12, 20, and 28 dpe stages, respectively. These DEPs also mainly focus on pathways of cell proliferation and apoptosis, which were further validated by 5-Ethynyl-2′-deoxyuridine (EdU) or Tunel-based flow cytometry assay. These findings provide a reference for a comprehensive understanding of the regulatory mechanisms of various stages of intestinal regeneration and provide a foundation for subsequent research on changes in cell fate in echinoderms.
- Subjects
APOSTICHOPUS japonicus; CELL proliferation; SEA cucumbers; INTESTINES; ALIMENTARY canal
- Publication
International Journal of Molecular Sciences, 2024, Vol 25, Issue 8, p4250
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms25084250