LPS로 유도된 대식세포에 대한 와송 핵산추출물의 AP-1과 IRF3 전사인자의 억제에 의한 전염증성 사이토카인의 감소 효과 = Orostachys japonicus Hexane Fraction Attenuates Pro-inflammatory Cytokines in LPS-activated Macrophage Cells by Suppression of AP-1 and IRF3 Transcription Factors

다국어 초록 (Multilingual Abstract)

Orostachys japonicus (O. japonicus) is known as a medicinal plant for the treatment of various symptoms. This study investigated the anti-inflammatory effect of the hexane fraction from O. japonicus (OJH) on the LPS-stimulated response in RAW 264.7 macrophage cells. This study was conducted to confirm the effect of cell cytotoxicity and production of reactive oxygen species (ROS) in OJH-treated macrophage cells. Additionally, pro-inflammatory cytokines and transcription factors were determined using RT-PCR and western blotting assay. OJH showed no change in lactate dehydrogenase (LDH) levels and exhibited reduced ROS levels in LPS-induced inflammatory cells. Moreover, OJH significantly suppressed the mRNA levels of pro-inflammatory cytokines, including IL-1β, IL-2, IL-6, TNF-α, and IP-10. Furthermore, OJH effectively inhibited the protein levels of AP-1 (p-c-Jun and p-c-Fos) and p-IRF3 in a dose-dependent manner. In conclusion, our results demonstrate that OJH exhibits strong anti-inflammatory activities via regulation of inflammatory factors.

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