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NTIS 바로가기동의생리병리학회지 = Journal of physiology & pathology in Korean Medicine, v.32 no.5, 2018년, pp.321 - 327
주인환 (대전대학교 한의과대학 병리학교실) , 최학주 (대전대학교 난치성 면역질환의 동서생명의학연구 지역혁신센터) , 심부용 (대전대학교 난치성 면역질환의 동서생명의학연구 지역혁신센터) , 민가율 (대전대학교 한의과대학 병리학교실) , 김동희 (대전대학교 한의과대학 병리학교실)
The purpose of this study was to investigate the effects of Cuscuta chinensis Lamark ethanol extract (CL) on wrinkle improvement. Cuscuta chinensis Lamark is known to contain dried saccharide, alkaloids, flavonoids, lignans and rein glycoside as major components of dried mature seeds of Cuscuta japo...
핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
피부는 어떻게 구성되어 있는가? | 피부는 외부 자극으로부터 피부를 보호하는 표피층과 표피층 아래에 탄력 및 주름을 조절하는 진피층 및 피하지방층으로 구성되어 있다2,3). 진피층에 분포하는 섬유아세포가 합성하는 collagen은 외부의 충격으로부터 피부를 보호하는 저항성이 있다. | |
UVB가 피부에 어떤 영향을 미치는가? | Ultraviolet B (UVB)는 피부세포의 DNA를 손상시켜 항산화 방어체계를 붕괴시키고 산화적 스트레스를 증가시킨다6). UVB와 같은 외부자극을 통해 자극되어진 섬유아세포는 collagen 생성을 억제하고 collagen을 분해하는 효소인 기질금속단백질가수분해효소(Matrix metalloproteinase; MMP)의 활성과 발현을 증가시킨다고 보고되어 있다7,8). | |
기질금속단백질가수분해효소의 활성과 발현이 증가되어 나타나는 현상은 무엇인가? | UVB와 같은 외부자극을 통해 자극되어진 섬유아세포는 collagen 생성을 억제하고 collagen을 분해하는 효소인 기질금속단백질가수분해효소(Matrix metalloproteinase; MMP)의 활성과 발현을 증가시킨다고 보고되어 있다7,8). 활성이 증가된 MMPs는 세포 외 기질의 구성성분인 collagen을 절단하고 구조적 변화를 일으켜 피부탄력 감소와 주름 발생의 원인이 된다9,10). |
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Kim SE, Li SH. The Effect of Semen cuscutae Extracts on the Acne Skin. Korean Journal of Aesthetics and Cosmetics Society. 2012;10(3):493-501.
Ichihashi M, Ueda M, Budiyanto A, Bito T, Oka M, et al. UV-induced skin damage. Toxicology. 2003;189(1-2):21-39.
Lee H, Bae SK, Pyo M, Heo Y, Kim CG, Kang C, Kim E. Anti-wrinkle effect of PLA2-free bee venom against UVB-irradiated human skin cells. Journal of Agriculture and Life Science. 2015;49(1):125-35.
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Yamamoto T, Eckes B, Mauch C, Hartmann K, Krieg T. Monocyte chemoattractant protein-1 enhances gene expression and synthesis of matrix metalloproteinase-1 in human fibroblasts by an autocrine $IL-1{\alpha}$ loop. The Journal of Immunology. 2000;164(12):6174-9.
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