• 제목/요약/키워드: LDL receptor deficient mice

검색결과 6건 처리시간 0.223초

Vasopurus의 LDL $r^{-/-}$ Mice에서 항동맥경화 효능 (Protective Effect of Vasopurus on Atherosclerosis Induced by Dietary Cholesterol in LDL $r^{-/-}$ Mice)

  • 황보미향;김현정;이인선;정태호;김인겸;신흥묵
    • 대한본초학회지
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    • 제24권4호
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    • pp.49-53
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    • 2009
  • Objectives : The protective effect of Vasopurus, a mixture of three medicinal plants, on atherosclerosis induced by dietary cholesterol in low density lipid (LDL) receptor deficient mice was studied. Methods : Experimental groups were divided into three groups of six animals each; a normal group (N); a high cholesterol group (HC), a high cholesterol plus Vasopurus group (HCVA). The experimental groups were fed for 6 months. Results : Vasopurus supplementation significantly lowered plasma total cholesterol and LDL cholesterol conc entrations compared with the high.cholesterol (HC) diet group. In addition, supplementation with Vasopurus significantly increased fecal cholesterol contents compared to mice fed a HC diet. Mice whose diet was supplemented by Vasopurus showed considerably fewer atherosclerotic plagues in the aortic values of heart and aortas compared to mice receiving the HC diet. Conclusions : These results indicate that Vasopurus has efficacy in anti.atherosclerosis medication.

TILIANIN PREVENTS DIET-INDUCED ATHEROSCLEROSIS BY INHIBITION OF NUCLEAR FACTOR $\textsc{k}$B (NF- $\textsc{k}$B) ACTIVATION IN LDL RECEPTOR DEFICIENT MICE

  • Nam, Kung-woo;Woonchon Mar;Cho, Myung-Hang;Hong, Jung-Joo;Park, Jae-Hoon;Oh, Goo-Tag
    • 한국독성학회:학술대회논문집
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    • 한국독성학회 2001년도 International Symposium on Dietary and Medicinal Antimutgens and Anticarcinogens
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    • pp.128-129
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    • 2001
  • Tilianin, purified from acrial part of Agastache rugosa Kuntze, reduces progression and may induce some regression of aortic foam cell formation in low density lipoprotein receptor deficient mice (LDLR -/- mice). We investigated whether tilianin can prevent high fat diet-induced atherosclerosis. Twenty-six male mice were divided into three groups.(omitted)

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Oxidized LDL induces phosphorylation of non-muscle myosin IIA heavy chain in macrophages

  • Park, Young Mi
    • BMB Reports
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    • 제48권1호
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    • pp.48-53
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    • 2015
  • Oxidized LDL (oxLDL) performs critical roles in atherosclerosis by inducing macrophage foam cell formation and promoting inflammation. There have been reports showing that oxLDL modulates macrophage cytoskeletal functions for oxLDL uptake and trapping, however, the precise mechanism has not been clearly elucidated. Our study examined the effect of oxLDL on non-muscle myosin heavy chain IIA (MHC-IIA) in macrophages. We demonstrated that oxLDL induces phosphorylation of MHC-IIA (Ser1917) in peritoneal macrophages from wild-type mice and THP-1, a human monocytic cell line, but not in macrophages deficient for CD36, a scavenger receptor for oxLDL. Protein kinase C (PKC) inhibitor-treated macrophages did not undergo the oxLDL-induced MHC-IIA phosphorylation. Our immunoprecipitation revealed that oxLDL increased physical association between PKC and MHC-IIA, supporting the role of PKC in this process. We conclude that oxLDL via CD36 induces PKC-mediated MHC-IIA (Ser1917) phosphorylation and this may affect oxLDL-induced functions of macrophages involved in atherosclerosis.

저밀도지단백질 수용체 결손 마우스에서 동맥병변 형성을 억제하는 콩잎 주정추출물의 항동맥경화 효과 (Anti-atherosclerotic Effects of Ethanol Extract of Soy Leaves (Glycine max) Supplementation on Suppression of Atherogenic Lesion Formation in LDL Receptor-Deficient Mice)

  • 한종민;한장일;백승화;이화;박지선;조문희;박기훈;이우송;정태숙
    • 한국약용작물학회:학술대회논문집
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    • 한국약용작물학회 2008년도 추계학술발표회
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    • pp.388-389
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    • 2008
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