한국자원식물학회지 (Korean Journal of Plant Resources)

  • 제36권4호
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  • Pages.275-281
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  • 2023
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  • 1226-3591(pISSN)
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  • 2287-8203(eISSN)
한국자원식물학회 (The Plant Resources Society of Korea)
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작약(Paeonia lactiflora) 뿌리 추출물의 대식세포에서 p62/SQSTM1 증가를 통한 자가포식 유도

Induction of Autophagy by Paeonia lactiflora Root Extracts through Upregulation p62/SQSTM1 in RAW264.7 Cells

  • 정진부 (국립안동대학교 산림과학과)
  • Jin Boo Jeong (Department of Forest Science, Andong National University)
  • 투고 : 2023.03.30
  • 심사 : 2023.04.24
  • 발행 : 2023.08.01
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초록

본 연구에서 우리는 작약 뿌리 추출물이 TLR4/PI3K/Nrf2 신호전달을 통해 p62/SQSTM1을 증가시켜 대식세포에서 자가포식을 유도한다는 것을 확인하였다. 대식세포의 자가포식 유도는 선천성과 적응성 면역 반응 간의 연결을 강화해 백신 보조제 개발에 있어서 중요한 표적으로 사용되기 때문에, 작약 뿌리 추출물은 백신개발에 필수적인 백신보조제로의 활용이 가능할 것으로 생각된다.

Autophagy contributes to enhancing the immune system (innate and adaptive immune system) against foreign pathogens. Autophagy of macrophages is used as a major indicator for developing vaccine adjuvants to increase the adaptive immune response. In this study, PLR activated autophagy and increased p62/SQSTM1. The knockdown of p62/SQSTM1 attenuated PLR-mediated autophagy. Inhibition of TLR4 blocked PLR-mediated increase in p62/SQSTM1 level and autophagy induction. In addition, inhibition of PI3K blocked HSL-mediated increase of p62/SQSTM1. PLR increased Nrf2 level and the inhibition of TLR4 and PI3K reduced PLR-mediated increase of Nrf2. Taken together, it is believed that PLR may induce autophagy through upregulating p62/SQSTM1 via TLR4/PI3K/Nrf2 signaling pathway.

키워드

과제정보

본 논문은 농촌진흥청 연구사업(과제번호: PJ017090052022)의 지원에 의해 이루어진 것으로 이에 감사드립니다.

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