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RAW 264.7 세포에서 긴병꽃풀 에탄올 추출물의 항염증 활성 검증

Verification of Anti-inflammatory Activities of the Ethanol Extracts of Glechoma hederacea var. longituba in RAW 264.7 Cells

  • 투고 : 2017.11.24
  • 심사 : 2018.01.25
  • 발행 : 2018.04.30

초록

본 연구에서는 긴병꽃풀에 대한 항염증 효과를 검증함으로써 천연 기능성 소재로서의 사용 가능성을 검토하고자 하였다. 대식세포(Raw264.7)에서 긴병꽃풀 70% 에탄올 추출물의 세포 생존율을 확인한 결과 $1,000{\mu}g/ml$ 농도에서 95.8%의 생존율을 보였고, 특히 $1,000{\mu}g/ml$의 농도에서 37.4%의 Nitric oxide (NO) 발현을 감소시키는 것을 확인 할 수 있었다. Western blot과 RT-PCR을 이용한 실험에서는 대조군인 Vit. C와 비교하였을 때 긴병꽃풀 추출물에서 iNOS와 COX-2의 mRNA 발현이 억제되었음을 확인할 수 있었다. 본 연구결과를 종합하였을 때 긴병꽃풀 추출물의 항염증 소재로서의 가능성을 확인하였다.

In this study, we investigated the potential of Glechoma hederacea var. longituba 70% ethanol extract as a natural functional material by examining the anti-inflammatory effect of it. Macrophages results in (Raw 264.7) induced by lipopolysaccharide (LPS). Confirming the viability of the macrophages Glechoma hederacea var. longituba 70% ethanol extract showed a 95.8% survival rate at $1,000{\mu}g/ml$ concentration. Anti-inflammatory activity was examined the inhibitory tests on the production of LPS included nitric oxide (NO) in RAW 264.7 cells by Griess assay. The result showed that NO production deterrent effect of 37.4% at a concentration of $1,000{\mu}g/ml$. The deterrent effect of GG 70% ethanol extract on protein expression of inducible NOS (iNOS) and Cyclooxygenase-2 (COX-2) was measured by Western blotting using the concentrations 50, 100 and $500{\mu}g/ml$, with ${\beta}$-actin used as the positive control. The inhibitory effect of iNOS and COX-2 mRNA expression was measured by reverse transcription-polymerase chain reaction (RT-PCR) using 50, 100 and $500{\mu}g/ml$ concentration of GG 70% ethanol extract, with GAPDH used as the positive control. In experiments using Western blot and RT-PCR when compared with the control group vitamin C it was confirmed that the 70% ethanol extract from GG suppressed. When compiling the results of this study, we confirmed the possibility of GG 70% ethanol extract as an anti-inflammatory material.

키워드

참고문헌

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