광곽향 메탄올 추출물의 항산화, 항염증 및 암세포 증식 억제 효과

국문 초록 (Abstract)

본 연구에서는, 암세포 증식 억제효능과 항산화, 항염증 효능을 동시에 가지는물질을 탐색하였다. 그 결과, 광곽향 메탄올 추출물이 A549, HepG2, MCF7, HT29 등 다양한 암세포에 대하여 세포성장억제효과를 보였고, A549에 대해 특이적으로 뛰어난 사멸효과를 보였다. 광곽향 메탄올 추출물에 의한 A549에서의 항암 효과는 p38 - Cdc25A - Cdk - Cyclin - Rb pathway를 통해 G1 arrest 유도로 연결되는 것으로 사료된다. 또한 DPPH를 통한 free radical의 소거능 확인 결과 항산화 효과를 가지고 있는 것을 확인하였고, 대식세포(RAW 264.7)의 iNOS 발현을 감소시켜 LPS에 의해 유도되는 NO의 생성을 유의적으로 억제함을 확인했다. 이러한 결과들로부터 광곽향 메탄올 추출물이 항산화, 항염증, 항암 후보물질 소재로 활용가능 할 뿐 아니라, 다양한 건강기능성 소재로 활용가능할 것이라 사료된다.

다국어 초록 (Multilingual Abstract)

In the present study, the substance that show anti-proliferation of cancer cells as well as anti-oxidant and anti-inflammatory effect was searched. As a results, the methanol extract of Pogostemon cablin (P. cablin), is a well-known herb for traditional medicine in Korea and China for treating the digestive disorders, less of appetite, vomiting and diarrhea, inhibited the growth of various cancer cells such as A549, HepG2, MCF7 and HT29 cells. Cytotoxic effect of methanol extraction of P. cablin was excellent in A549 cells. P. cablin extract induced cell cycle arrest at G1 phase of A549 in a dose dependent manner. And it induced phosphorylation of p38 and Cdc25A and reduced expression of Cdc25A, Cdks, Cyclins and phospho-Retinoblastoma (Rb) proteins. Therefore, P. cablin extract seems to act through the p38 - Cdc25A - Cdk - Cyclin ?Rb pathway in A549 cells. In addition, P. cablin extract showed anti-oxidant effect by DPPH free radical scavenging assay and anti-inflammation effect by inhibition of lipopolysaccharide (LPS)-induced nitric oxide (NO) in RAW 264.7 cells in a dose-dependent manner. Taken together, these results suggest that P. cablin may be used as not only candidate materials for anti-cancer, anti-inflammatory and anti-oxidant, moreover, it would be possible utilized in various health functional food materials.

목차 (Table of Contents)

• 서론
• 재료 및 방법
• 결과 및 고찰
• References
• 초록

참고문헌 (Reference)

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