대한의생명과학회지 (Biomedical Science Letters)

  • 제26권4호
  • /
  • Pages.249-255
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  • 2020
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  • 1738-3226(pISSN)
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  • 2288-7415(eISSN)
대한의생명과학회 (The Korean Society for Biomedical Laboratory Sciences)
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Antioxidant Effect of Annexin A-1 Induced by Low-dose Ionizing Radiation in Adipose-derived Stem Cells

  • You, Ji-Eun (Department of Biomedical Laboratory Science, Konyang University) ;
  • Lee, Seung-Wan (Department of Radiological Science, Konyang University) ;
  • Kim, Keun-Sik (Department of Biomedical Laboratory Science, Konyang University) ;
  • Kim, Pyung-Hwan (Department of Biomedical Laboratory Science, Konyang University)
  • 투고 : 2020.10.15
  • 심사 : 2020.12.09
  • 발행 : 2020.12.31
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초록

Radiation therapy is one of the primary options for the treatment of malignant tumors. Even though it is an effective anti-cancer treatment, it can cause serious complications owing to radiation-induced damage to the normal tissue around the tumor. It was recently reported that normal stem cell response to the genotoxic stress of ionizing radiation can boost the therapeutic effectiveness of radiation by repairing damaged cells. Therefore, we focused on annexin A-1 (ANXA1), one of the genes induced by low-dose irradiation, and assessed whether it can protect adipose-derived stem cells (ADSCs) against oxidative stress-induced damage caused by low-dose irradiation and improve effectively cell survival. After confirming ANXA1 expression in ADSCs transfected with an ANXA1 expression vector, exposure to hydrogen peroxide (H2O2) was used to mimic cellular damage induced by a chronic oxidative environment to assess cell survival under oxidative conditions. ANXA1-transfected ADSCs demonstrated that increased viability compared with un-transfected cells and exhibited enhanced anti-oxidative properties. Taken together, these results suggest that ANXA1 could be used as a potential therapeutic target to improve the survival of stem cells after low-dose radiation treatment.

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참고문헌

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