Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Role of Samultang in Formalin-induced Orofacial pain

포르말린으로 유발된 안면부 통증조절에서 사물탕의 역할

  • 김윤경 (동의대학교학교 일반대학원 보건의과학과) ;
  • 현경예 (동의대학교학교 일반대학원 보건의과학과) ;
  • 박민경 (경운대학교 보건대학 치위생학과) ;
  • 이민경 (동의대학교학교 일반대학원 보건의과학과)
  • Received : 2014.05.08
  • Accepted : 2014.09.11
  • Published : 2014.09.30
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Abstract

The aim of this study was to evaluate the analgesic effects of Samultang by measuring the anti-inflammatory and antioxidative activities in formalin-induced orofacial pain. The anti-inflammatory and anti-oxidative effects were measured by western blot analysis for p38 MAPK(Mitogen-activated protein kinases), iNOS(induceble nitric oxide synthase) and NOX4(nicotinamide adenine dinucleotide phosphate4) in a rat's brain and medulla oblongata. Samultang significantly attenuated the increased formalin-induced nociceptive response and inhibited the p38 MAPK and iNOS that led to inflammatory pain. In addition, this study indicated that Samultang possess antioxidative effects through the blockade of NOX4. These findings suggest that Samultang plays an important role in the peripheral processing of inflammatory pain in the orofacial area.

본 연구는 fomalin으로 유발한 실험동물의 안면부 통증 모델에서 사물탕의 항염증 작용과 항산화 작용을 확인하고자 수행되었다. Formalin 주입 전 사물탕추출물(3.5 mg/1 ml)을 3일간 복강 투여하였고, 3일차 사물탕 주입 30분 후 5% formalin($50{\mu}{\ell}$)을 실험동물의 오른쪽 수염부 피하에 주입하여 안면부 통증을 유발하였다. 사물탕 투여에 따른 안면부 통증행위반응을 측정하였다. 통증신호를 매개하는 염증과 산화작용의 지표로 실험동물의 뇌와 연수에서 p38 MAPK, iNOS, NOX4의 발현을 단백정량분석법으로 평가하였다. 사물탕은 안면부 통증행위반응을 유의하게 감소시켰을 뿐만 아니라, 염증성 매개 인자인 p38 MAPK, iNOS의 발현을 억제하였고 NOX4의 조절을 통한 항산화작용을 나타내었다. 이러한 결과를 통하여 사물탕의 투여가 안면부 통증 조절에 중요한 역할을 담당할 것으로 생각된다.

Keywords

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