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NTIS 바로가기한방비만학회지 = Journal of Korean Medicine for Obesity Research, v.19 no.1, 2019년, pp.1 - 11
김홍윤 (동의대학교 한의과대학 내과학교실) , 박철 (동의대학교 자연과학대학 분자생물학과) , 최영현 (동의대학교 한의과대학 생화학교실) , 황원덕 (동의대학교 한의과대학 내과학교실)
Objectives: The purpose of the present study was to evaluate the preventive effects of ethanol extract of Polygalae radix (EEPR) against oxidative stress (hydrogen peroxide,
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
원지란? | 원지(遠志, Polygalae radix)는 원지과(遠志科: Polygalacea)에 속하는 다년생 초본인 원지(Polygala tenuifolia Willd) 뿌리의 목심 부위를 제거하고 건조한 것으로 전통적으로 거담제, 기억력 증진제, 수면 보조제 등으로 사용되어 왔다1). 원지에 함유된 주요 성분으로는 다양한 saponins, xanthones, oligosaccharide esters 등이 보고되었으며, 이들로 인하여 흥분을 진정시키고 가래를 제거하며 기침을 멈추는 기능을 발휘하거나2-7), 항치매, 퇴행성 뇌세포 보호, 신경 손상 보호, 항우울제 등의 효능을 나타내기도 한다8-11). | |
원지 열수 추출물의 장점은? | 또한 원지는 진통제, 항비만, 항진균제, 항암제 등으로의 개발 가능성이 있음이 보고된 바 있다12,13). 특히 원지 열수 추출물은 6-hydroxydopamine에 의해 유발된 신경 독성에 대한 보호 효과작용을 가지며, 이는 활성산소종(reactive oxygen species, ROS) 생성의 억제에 따른 항산화 작용에 의한 신경세포의 세포 사멸(apoptosis) 억제와 관련이 있다14). 아울러 원지 추출물은 N-methyl-D-aspartate 처리에 의한 중추 신경계 손상의 차단 효과가 보고된 바 있으며, 이 또한 ROS의 생성 차단과 연관성이 있다15). | |
간세포에서 원지 에탄올 추출물의 효과는? | 현재 산화적 스트레스에 대한 원지의 항산화 효능에 관한 연구는 보고된 바 없으며, 본 연구에서는 간세포에서 산화적 스트레스에 대한 원지 에탄올 추출물(ethanol extract of Polygalae radix, EEPR)의 억제 효과를 검증하였다. 본 연구결과에서 EEPR은 Chang 간세포(Chang liver cells)에서 과산화수소(hydrogen peroxide, H2O2)에 의한 ROS 생산 억제를 통해 DNA 손상과 세포사멸을 효과적으로 감소시켜줌을 확인 하였다. |
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