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NTIS 바로가기생명과학회지 = Journal of life science, v.27 no.3 = no.203, 2017년, pp.325 - 333
손건호 (안동대학교 생활과학대학 식품영양학과) , 이주연 (안동대학교 생활과학대학 식품영양학과) , 이정순 (경상북도산림자원개발원) , 강삼식 (서울대학교 천연물과학연구소) , 손호용 (안동대학교 생활과학대학 식품영양학과) , 권정숙 (안동대학교 생활과학대학 식품영양학과)
High level of plasma cholesterol is strongly associated with the development of atherosclerosis and coronary heart disease. Clinical trials designed to reduce plasma cholesterol level by diet or pharmacological intervention have resulted in marked reduction of disease incidence. The enzyme 3-hydroxy...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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statin은 무엇인가? | 체내에서 사용되는 콜레스테롤의 70% 이상은 콜레스테롤 신생합성 과정에서 만들어지므로, 콜레스테롤 합성을 억제하는 것이 혈장 콜레스테롤을 감소시키는 효과적인 방법이다. 현재 임상적으로 고콜레스테롤혈증 치료에 가장 널리 처방되고 있는 statin [5, 22]은 콜레스테롤 생합성 과정의 율속효소인3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase의 경쟁적 억제제이다[17]. Statin에 의해 콜레스테롤 생합성이 억제되면 세포 내 콜레스테롤 농도가 감소하고, 이에 대해 세포는 sterol regulating binding protein-2 (SREBP-2)의 활성화와 LDL-receptor 수의 증가를 통해 혈액 콜레스테롤의 세포 내 유입을 증가시키게 되고 이로 인해 혈중 콜레스테롤 농도는 낮아지게 된다[74]. | |
체내에서 사용되는 콜레스테롤의 70% 이상은 어떤 과정에서 만들어지는가? | 체내에서 사용되는 콜레스테롤의 70% 이상은 콜레스테롤 신생합성 과정에서 만들어지므로, 콜레스테롤 합성을 억제하는 것이 혈장 콜레스테롤을 감소시키는 효과적인 방법이다. 현재 임상적으로 고콜레스테롤혈증 치료에 가장 널리 처방되고 있는 statin [5, 22]은 콜레스테롤 생합성 과정의 율속효소인3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase의 경쟁적 억제제이다[17]. | |
혈장 콜레스테롤 감소 활성을 가지는 물질을 발굴하기 위해 71종의 페놀 및 그와 관련된 화합물들을 대상으로 10ug/ml 농도에서 HMG-CoA reductase 저해 활성을 탐색한 결과 가장 높은 저해율을 보인 물질은 무엇인가? | 따라서 본 연구에서는 혈장 콜레스테롤 감소 활성을 가지는 물질을 발굴하고자 71종의 페놀 및 그와 관련된 화합물들을 대상으로 10ug/ml 농도에서 HMG-CoA reductase 저해 활성을 탐색하였다. 그 결과, 1,4-naphthoquinone의 HMG-CoA reductase 저해율이 99.4%로 가장 높았고, 다음으로 plumbagin 91. |
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