DOI QR코드

DOI QR Code

Mitochondrial morphology and energy metabolism in reprogrammed porcine expanded potential stem cells

  • Yun Ju Lee (Department of Stem Cell and Regenerative Biotechnology, Konkuk Institute of Technology, Konkuk University) ;
  • Jae Hoon Song (Department of Stem Cell and Regenerative Biotechnology, Konkuk Institute of Technology, Konkuk University) ;
  • Je Woo Lee (Department of Stem Cell and Regenerative Biotechnology, Konkuk Institute of Technology, Konkuk University) ;
  • Tae Kyung Hong (Department of Stem Cell and Regenerative Biotechnology, Konkuk Institute of Technology, Konkuk University) ;
  • Sang Jun Uhm (Department of Animal Science, Sangji University) ;
  • Kwonho Hong (Department of Stem Cell and Regenerative Biotechnology, Konkuk Institute of Technology, Konkuk University) ;
  • Jeong Tae Do (Department of Stem Cell and Regenerative Biotechnology, Konkuk Institute of Technology, Konkuk University)
  • 투고 : 2024.07.22
  • 심사 : 2024.08.26
  • 발행 : 2025.03.01

초록

Objective: Expanded potential stem cells (EPSCs) are stem cells that can differentiate into embryonic and extraembryonic lineages, including extraembryonic endoderm and trophoblast lineages. Therefore, EPSCs have great potential in advancing regenerative medicine, elucidating disease mechanisms, and exploring early embryonic development. However, the generation and characterization of EPSCs in pigs have not been thoroughly explored. In this study, we successfully generated porcine EPSCs (pEPSCs). Methods: We reprogrammed porcine fetal fibroblasts (PFFs) using an integration-free method with Sendai virus vectors. Results: The resulting pEPSCs expressed key pluripotency markers and demonstrated the ability to differentiate between embryonic and extraembryonic lineages. Notably, reprogramming into pEPSCs was associated with a transformation of mitochondrial morphology from the elongated form observed in PFFs to a globular shape, reflecting potential alterations in energy metabolism. We observed significant remodeling of mitochondrial morphology and a subsequent shift towards glycolytic energy dependence during the reprogramming of PFFs into pEPSCs. Conclusion: Our findings provide valuable insights into the characteristics of EPSCs in pigs and highlight their potential applications in regenerative medicine, disease modeling, and emerging fields such as cell-based meat production.

키워드

과제정보

This paper was supported by Konkuk University in 2024.

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