• Title/Summary/Keyword: atherosclerosis cholesterol

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Study of the Effects of Samulhwalhyeol-tang in Hyperlipidemic Animal Model Induced with a High-Fat Diet (고지방 식이로 유발된 고지혈증 동물 모델에서 사물활혈탕(四物活血湯)의 효과 연구)

  • Kang, Seong-Sun;Shin, Yong-Jin;Jo, Jae-Joon;Jeon, Sang-Yun
    • The Journal of Internal Korean Medicine
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    • v.35 no.2
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    • pp.119-132
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    • 2014
  • Objectives : This study was undertaken to investigate the effects of Samulhwalhyeol-tang (SM) in a hyperlipidemic animal model induced by a high-fat diet using diverse biological methods. Methods : This study was to determine whether fractionated EtOH extracts of SM inhibit reactive oxygen species (ROS) and nitric oxide (NO) in RAW 264.7 cells. Hyperlipidemia was induced by a high-fat diet fed for 6 weeks. Total cholesterol, LDL cholesterol, HDL cholesterol, triglyceride, glucose, liver function, cholesterol gene revelation control efficiency, and histologic change of liver were measured after oral administration of SM. Results : 1. Compared to the control group, ROS production (%) and NO production (%) were decreased significantly by SM. 2. Total cholesterol, LDL cholesterol, triglyceride were decreased significantly by SM. 3. HDL cholesterol was increased significantly by SM. 4. Rats' body weight and glucose were decreased significantly by SM. 5. AST, ALP were decreased significantly by SM. 6. In histopathologic examination, fatty liver and fiver fibrosis were inhibited, almost eliminated as round of fat was observed in the liver. Conclusions : SM would appear that effective in the prevention and treatment of atherosclerosis, ischemic heart disease, other cardiovascular diseases, fatty liver and nephrotic syndrome caused by hyperlipidemia.

Effect of Aloe on Learning and Memory Impairment Animal Model SAMP8 II. Feeding Effect of Aloe on Lipid Metabolism of SAMP8 (기억. 학습장애 동물모델 SAMP8에 미치는 알로에(Aloe vera)의 영향 II. SAMP8의 지질대사에 미치는 알로에의 투여효과)

  • Choi, Jin-Ho;Kim, Dong-Woo;Yoo, Je-Kwon;Han, Sang-Sub;Shim, Chang-Sub
    • Journal of Life Science
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    • v.6 no.3
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    • pp.178-184
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    • 1996
  • Aloe(Aloe vera LINNE) has been used as a home medicine for the past several thousand in the world, and has been studied on various chronic degenerative diseases such as atherosclerosis, myocardiac infarction and hypertension. SMAP8, learning and memory impairment animal mode, were fed basic or experimental diets with 1.0% of freeze dried(FD)-Aloe powder for 8 months. This study was designed to investigate the effects of Aloe on body weight gain, grading score of senescence(GSS), triglyceride, total and LDL-cholesterol levels, and atherogenic index in serum of SAMP8, and also designed to investigate the effects of Aloe on cholesterol accumultions in mitochondria and microsome fractions of SAMP8 brain. Body weight gain was consistently lower in aloe group than in control group, but no significantly differences between them. Grading score of senescence resulted ina marked decreases pf 20% in 1.0% Aloe group compared with control group. Administrations of 1.0% aloe resulted ina marked decreases in 15% and 20% of triglyceride and cholesterol levels, respectively, and also significantly decreased in 15% of LDL-cholesterol levels and atherogenic index in serum of SAMP8 compared with control group. Cholesterol accumulations were significantly inhibited in 20% and 10% of mitochondria and microsome fractions of SAMP8 brain, respectively, by administration of 1.0% Aloe. These results suggest that administration of Aloe mau not only effectively inhibit chronic degenerative diseases in serum of SAMP8, but may also improve learning and memory impairments of SAMP8 brain.

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ANIMAL AND HUMAN STUDIES ON THE ROLE OF SOYBEAN, RICE AND NUTS CONSUMPTION IN HYPERCHOLESTEROLEMIA AND ATHEROSCLEROSIS

  • Imaizumi Katsumi
    • Proceedings of the Korean Society of Food Science and Nutrition Conference
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    • 2001.12a
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    • pp.61-68
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    • 2001
  • Soybean, rice and nuts are the staple foods in South East Asia. In order to clarify the function of these foods in relation to coronary heart diseases, we have done a series of experiments using animals and humans. Soybean protein preparations (SPI) in comparison with an animal protein, casein (CAS), resulted in reducing atherosclerotic lesion development in apolipoprotein (apo) E deficient mice that develop an advanced lesion similar to that in humans. This action was attributed to the protein, since the ethanol-extracted SPI (EE-SPI), from which isoflavones and saponins removed, lowered the lesion development in apo E-deficient mice. However, The EE-SPI, compared to the SPI, resulted in a decrease of mRNA for key proteins of cholesterol metabolism (low density lipoprotein receptor and cholesterol 7$\alpha$-hydroxylase) in hypercholesterolemic rats, followed by an elevation of the serum cholesterol level, indicating a contribution of isoflavones to the serum cholesterol level. Rice protein (RPI) was also effective to lower the lesion development in apo E deficient mice. Both the SPI and RPI led to an increased level of the serum NOiN03, metabolites of NO. This effect appeared to be attributed to their high content of arginine. Besides, C57BL/6J mice fed a diet containing whole grain rice had an elevation of the serum high-density lipoprotein cholesterol. Furthermore, rice bran oil and the unsaponifiable fraction that is rich in plant sterols were effective to lower serum cholesterol levels in hypercholeserolemic rats. Finally, we tested if walnuts consumption would be hypocholesterolemic for Japanese. A diet containing walnuts effectively lowered the serum total and low density lipoprotein cholesterol in Japanese men and women. These animal and human experiments would be relevant to advocate publics to keep consuming diets including soybean, rice and nuts for their healthful life.

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Radical Scavenging and Antihypercholesterolemic Effects of Red Yeast Rice in Cholesterol Fed Rats

  • Suh, Hyung-Joo;Kim, Young-Soon;Chang, Un-Jae;Oh, Sung-Hoon;Bae, Song-Hwan
    • Preventive Nutrition and Food Science
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    • v.11 no.3
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    • pp.204-209
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    • 2006
  • This study demonstrates that red yeast rice exhibits radical scavenging and antihypercholesterolemic activities in rats fed cholesterol. Sprague-Dawley male rats were divided to five dietary groups (normal, chol-control; and M-1, M-2 & M-3 administered 150, 300, and 500 mg/kg red yeast rice, respectively) and fed their respective diets for 4 weeks. No significant differences in food efficiency ratio (FER) were found among the five groups. The weight of perirenal fat pads decreased with increasing amounts of red yeast rice supplementation. There was a significant decrease in the levels of cholesterol in M-3 group fed red yeast rice with 500 mg/kg compared to those in the chol-control, M-1 and M-2 groups (p<0.05). Among the rats fed the cholesterol-enriched diet, all groups fed red yeast rice showed higher concentration of the HDL cholesterol, but lower concentration of the LDL cholesterol than those of the chol-control group. The scavenging activity of the methanol extract from red yeast rice was increased with increasing amounts of the extract. The glutathione content in the normal group and in the M-3 group were higher than that in the other groups. The M-3 group showed similar hepatic glutathione contents to those of the normal group. These results suggest that red yeast rice may be safe and effective for lowering serum levels of total and LDL-cholesterol, ratio of non-HDL/HDL, and severity of experimental atherosclerosis.

Biomedicinal implications of high-density lipoprotein: its composition, structure, functions, and clinical applications

  • Cho, Kyung-Hyun
    • BMB Reports
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    • v.42 no.7
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    • pp.393-400
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    • 2009
  • High-density lipoprotein (HDL) is a proven biomarker for the monitoring of changes in antioxidant and anti-inflammation capability of body fluids. The beneficial virtues of HDL are highly dependent on its lipids and protein compositions, and their ratios. In normal state, the HDL particle is enriched with lipids and several HDL-associated enzymes, which are responsible for its antioxidant activity. Lower HDL-cholesterol levels (<40 mg/dL) have been recognized as an independent risk factor for coronary artery disease, as well as being a known component of metabolic syndrome. Functional and structural changes of HDL have been recognized as factors pivotal to the evaluation of HDL-quality. In this review, I have elected to focus on the functional and structural correlations of HDL and the roles of HDL-associated apolipoproteins and enzymes. Recent clinical applications of HDL have also been reviewed, particularly the therapeutic targeting of HDL metabolism and reconstituted HDL; these techniques represent promising emerging strategies for the treatment of cardiovascular disease, for drug or gene therapy.

1,8-cineole protected human lipoproteins from modification by oxidation and glycation and exhibited serum lipid-lowering and anti-inflammatory activity in zebrafish

  • Cho, Kyung-Hyun
    • BMB Reports
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    • v.45 no.10
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    • pp.565-570
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    • 2012
  • We recently reported that a water extract of laurel or turmeric, 1,8-cineole enriched fractions, showed hypolipidemic activity in the zebrafish model. Therefore, the present study investigated the cineole's anti-oxidant and anti-inflammatory activities in lipoprotein metabolism in vitro and in vivo. Cineole had inhibitory effects on cupric ion-mediated oxidation of lipoproteins in general, while simultaneously enhancing ferric ion removal ability in high-density lipoprotein (HDL). Hypercholesterolemia was induced in zebrafish using cholesterol-feeding treatment, 4% cholesterol, for 3 weeks. After feeding with or without the addition of cineole, the results revealed that cineole possessed lipid-lowering and anti-inflammatory activities in hypercholesterolemic zebrafish. In addition, serum amyloid A and interleukin-6 levels were lowered and lipid accumulation was decreased in the liver. Conclusively, 1,8-cineole was found to have anti-oxidant activities in lipoprotein metabolism both in vitro and in vivo with simultaneous reduction of lipid accumulation in the liver of zebrafish.

Cholesterol-Lowering Effect and Anticancer Activity of Kimchi and Kimchi Ingredients (김치와 김치재료의 콜레스테롤 저하 및 항암효과)

  • 이재준;정영기
    • Journal of Life Science
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    • v.9 no.6
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    • pp.743-752
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    • 1999
  • The purpose of the paper is to explore the current knowledge on the nutritional evaluation, cholesterol-lowering effect and antitumor activity of kimchi and its ingredients(Korean cabbage, garlic, red pepper powder, ginger and onion). Kimchi contains high contents of nutrients such as vitamins(ascorbic acid, $\beta$-carotene and vitamin B complex), minerals(calcium, potassium, iron and phosphorous), essential amino acids and dietary fiber. Kimch also contains high levels of lactic acid bacteria, allicin, capsaicin, organic acid, phenol compounds, flavonoid and sulfur compounds. The dietary fiber and lactic acid bacteria isolated from kimchi are effective in improving intestinal microflora of human. Isoluble dietary fiber shows anticancer activity, but soluble dietary fiber shows hypocholesterolemic effect. Lactic acid bacteria isolated from kimchi acts as a hypocholesterolemic or anticancer agent. A major ingredient of kimchi is mainly cruciferous and allium family vegetables, which were also reported to prevent cancer and atherosclerosis. It is suggested that kimchi is important not only as one of the traditional fermented Korean food but also as therapeutic agent for carcinogenesis and hypercholesterolemic state.

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The Relationship Between Lumbar Spine Bone Mineral Density and Cardiovascular Risk Factors in Premenopausal and Postmenopausal Women (폐경 전후 여성의 요추 골밀도와 심혈관 위험인자와의 연관성)

  • Kim, Mi-Young
    • Journal of radiological science and technology
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    • v.30 no.4
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    • pp.365-371
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    • 2007
  • Recent studies suggest a possible pathogenic linkage between the osteoporosis and atherosclerosis. We investigated the relationship between cardiovascular risk factors, including high sensitivity C-reactive (hs-CRP), hs-CRP and bone metabolism in females. Anthropometric measurements were performed on 300 women, and cardiovascular risk factors, including fasting blood glucose, lipid profiles and hs-CRP. An atherogenic index was calculated using the serum total cholesterol level divided by the high-density lipoprotein cholesterol level. The lumbar spine bone mineral density was measured using dual X-ray abosorptiometry. By bivariate analysis, the lumbar spine BMD showed negative correlations with age, systolic and diastolic blood pressures, serum total cholesterol, high-density lipoprotein cholesterol. The Age, BMI and high-density lipoprotein cholesterol showed significant correlations with the lumbar spine BMD. From linear regression analyses of all the study subjects, age, high-density lipoprotein cholesterol were found to be determinants of the lumbar spine BMD($R^2=0.272$).

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Study of the Effects of Gugijagami-bang in a Hyperlipidemic Animal Model Induced with a High-Fat Diet (고지방 식이로 유발된 고지혈증 동물 모델에서 구기자가미방(枸杞子加味方)의 효과 연구)

  • An, Ga-Young;Joe, Jae-Joon;Shin, Min-Koo;Jeon, Sang-Yun
    • The Journal of Internal Korean Medicine
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    • v.35 no.4
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    • pp.505-518
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    • 2014
  • Objectives: This study was undertaken to investigate the effects of Gugijagami-bang (GGB) in a hyperlipidemic animal model induced by a high-fat diet using diverse biological methods. Methods: This study was to determine whether fractionated GGB extracts inhibit reactive oxygen species (ROS) and nitric oxide (NO) in RAW 264.7 cells. Hyperlipidemia was induced by a high-fat diet fed for 6 weeks. Total cholesterol, LDL cholesterol, HDL cholesterol, triglyceride, liver function and histologic change of liver were measured after oral administration of GGB. Results: 1. DPPH scavenging bow performance was increased in a concentration-dependent manner by GGB. 2. Compared to the control group, NO production (%) and ROS production (%) were decreased significantly by GGB. 3. Total-cholesterol, LDL-cholesterol, triglyceride were decreased significantly by GGB. 4. HDL cholesterol increased more than the control group, but not significantly. 5. In histopathologic examination, fatty liver (hepatic steatosis) was inhibited, almost no rounds of fat were observed in the liver. Conclusions: GGB would appear effective in the prevention and treatment of atherosclerosis, ischemic heart disease, other cardiovascular diseases caused by hyperlipidemia.

Relationship Among Apolopoprotein E Phenotypes, Dietary Fat, Serum Lipoprotein Concentrations and Erythrocyte Membrane Fatty Acid Composition in Young Healthy Women (건강한 젊은 여성의 Apolipoprotein E 의 다형성 , 식이 지방 섭취, 혈청 지단백 농도와 적혈구 막의 지방산 조성과의 관계)

  • 박선민
    • Journal of Nutrition and Health
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    • v.30 no.8
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    • pp.936-951
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    • 1997
  • As fat consumption has increased in Korea , serum cholesterol concentrations have risen and the prevalence of atherosclerosis increased. The aim of the present study was to investigate the association among apolipoprotein E (Apo E) phenotypes, dietary fat consumption, plasma lipoprotein levels and fatty acid compositions of red blood cells in young healthy women. Seventy-one percent of participants had Apo E3/3, 14.9 percent had ApoE3/2 , 11.8% had Apo E4/3 and 1.2% had Apo E4.2. The subjects daily consumed approximately 1760kcal containing 29 energy % of fat. The ratio of polyunsaturated fat to saturated fat in a diet was 0. 73 . There were no significant differences of nutrient intakes according to Apo E phenotypes. Total cholesterol concentrations of subjects averaged approximately 160mg/dl , but 12 percent of them had over 200mg/dl, which is higher than the range recommended by the National Cholesterol Deucation Program. Notably, most subjects with 210mg/dl had Apo E4 isoforms. Subjects with Apo E4 isoforms had significantly higher total and LDL-cholesterol concentrations than those with Apo E3/2. Also subjects carrying Apo E4 isoforms tended to accumulated more fat in the body. Their BMI , WHR and arm fat area appeared to be how can arm fat area be greater no you mean grater, please check work vsage than subjects with Apo E3 isoforms, but not significantly. Fat intakes slightly influenced serum cholesterol levels. Myristic aicd intakes were positively correlated to serum total and LDL-choelsterol levels. Polyunsaturated fatty acid intakes were negatively correlated to serum total choelsterollevels. The results of 소냐 study suggest that , people with Apo E4 isoforms need to prevent the raising of serum total and LDL -cholesterol concentrations by reducing calorie and fat intakes and by maintaining a normal weight.

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