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NTIS 바로가기大韓本草學會誌 = The Korea journal of herbology, v.33 no.6, 2018년, pp.35 - 42
최진규 (경희대학교 약학대학 약학과) , 허유진 (경희대학교 일반대학원 경락의과학과) , 이원일 (경희대학교 일반대학원 나노의약생명과학과) , 김윤경 (원광대학교 약학대학 한약학과) , 이태희 (가천대학교 한의과대학 방제학교실) , 오명숙 (경희대학교 일반대학원 나노의약생명과학과)
Objectives : The aim of this study was to investigate whether the extract of Coptidis Rhizoma inhibits inflammation in chronic cold stress (CCS)-exposed mice or not. Methods : Coptidis Rhizoma extract (CRE) was made by reflux with distilled water. Male ICR mice (7 weeks old) were divided randomly in...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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지속적인 cold stress가 이어지면 Cortisol의 분비는 어떻게 되는가? | 외부 온도변화에 수반되는 cold stress는 glucocorticoid 분비를 유도하여 포도당 분해를 통한 혈당 상승을 통해 체내 항상성을 유지한다28) . Cortisol은 부신피질에서 분비되는 주요 glucocorticoid 호르몬으로서 HPA에 의해 조절되며 외부 스트레스에 대한 체내 항상성 조절에 기여하나, 지속적인 스트레스에 노출되면 cortisol이 과다 분비되어 glucocorticoid 수용체 손상에 따른 염증 반응이 나타난다29) . 이는 cortisol이 glucocorticoid 수용체/heat shock 단백질 복합체에 결합 후 HSP70, c-fos, NF-kB 등의 pro-inflammatory 전사 인자들의 활성화 및 분비를 유도하는 등 스트레스로 인한 세포 내 신호전달체계에서 중요한 역할을 담당하고 있는 것과 관련성이 높다30),31) . | |
CCS는 어떠한 증상을 유발하는가? | 만성적인 cold stress (chronic cold stress; CCS)는 체온 유지를 위해 열을 발생시키고 대사활동을 촉진시키지만, 이러한 상태가 계속되면 체내 전반적인 염증 및 자율신경계의 문제를 야기하여 각종 질병을 유도하기도 한다1),2) . CCS는 혈액 내 cortisol 및 뇌 시상하부 내 nuclear factor kappa-light-chainenhancer of activated B cells (NF-kB)와 같은 proinflammatory factors의 발현 증가를 유도하여 뇌 시상하부-뇌하수체-부신 축(hypothalamic-pituitary-adrenal axis; HPA)을 활성화시킴으로써 결과적으로 체온 감소, 고혈압, 불안 증상을 유발한다고 알려져 있으며3-6) , CCS가 랫트의 혈액 및 뇌 시상하부와 피질 내 pro-inflammatory cytokines의 급속한 증가와 학습 및 인지능력 감퇴를 유도하며, 이는 CCS로 인한 HPA 조절 능력의 이상과 밀접한 상관성이 있음을 밝힌 바 있다7) . 또한 Kim 및 Makino 등1),8)은 CCS 유도 HPA 매개 염증 및 산화 스트레스에 대한 한약의 억제 효능을 실험적으로 증명하여 한약의 CCS 유도 염증 조절 가능성을 제시하였다. | |
황련(黃連)은 무엇인가? | 황련(黃連)은 미나리아재비과에 속하는 다년생 본초인 황련(Coptis japonica Makino), 중국황련(C. chinensis Franch.), 삼각엽황련(C. deltoidea C. Y. Cheng et Hsiao), 운련(C. teeta Wallich)의 뿌리를 제거한 뿌리줄기를 지칭하며 알칼로이드 계열의 berberine, coptisine 등이 주성분으로 함유되어 있다12) . 본초학적으로 황련은 주로 淸熱燥濕, 瀉火解毒의 효능을 가지며, 다양한 모델에서 황련 추출물과 함유성분의 항염증 효능이 입증된 바 있다. |
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