The Metabolic syndrome is a constellation of lipid and non-lipid factors of metabolic origin. The presence of any 3 of the following factors is considered sufficient for diagnosis : hypertension(BP <130/85mmHg), low HDL-cholesterol (<40mg% in men, <50mg% in woman), high triglyceride(>150mg%) and abdominal obesity(abdominal girth >102cm in men, 88cm in woman). The major adverse consequence of the metabolic syndrome is cardiovascular disease. Several studies have shown an association between metabolic syndrome and increased cardiovascular events. In Korea, the prevalence of the factor of metabolic syndrome has been increasing since 20 years previously when the Korean economy began to grow rapidly, with a resultant change in lifestyle, toward that of western countries. Thus, the management of the metabolic syndrome is an important social and medical issue in terms of the national health problem. This review will consider each factor in turn, providing insight for health care providers in an effort to prevention of cardiovascular events and maintenance of quality of life in persons with metabolic syndrome was discussed.
Journal of the Korean Society of Food Science and Nutrition
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v.31
no.6
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pp.1035-1042
/
2002
This study was conducted to investigate the effect of sodium intake on serum lipids and glucose. 20 young adult women were fed the diets containing 290.5 mEq (high-Na diet) and 51.3 mEq (low-Na diets) Na for 6 days, respectively. Serum lipids, glucose, and other parameters after high-Na diet and low-Na diet were compared. The results would be summarized as follows. The mean age, body weight, height, and blood pressure of the subjects were 22.9$\pm$2.5 years,54.7+6.6 kg, 160.0$\pm$4.8 cm, 110.3$\pm$7.7/67.5$\pm$19.7 mmHg, respectively. Body weight, BMI, and diastolic blood pressure were significantly higher at the end of high-Na diet than of low-Na diet (p<0.001 p<0.001, p<0.05). However, there were not significantly different in height and systolic blood pressure between high- and low-Na diet. Serum cholesterol, LDL-cholesterol, and HDL-cholesterol were not significantly different with Na intakes. Serum triglyceride was significantly higher at the end of high-Na diet than of low- Na diet (p<0.05) Serum apo A-I was significantly decreased in low-Na diet, while apo B was increased (p<0.001, p<0.001). Thrombin time and prothrombin time, blood aggregation time were significantly faster following low-Na diet (p<0.001, p<0.05). There was not significantly different in serum glucose between high- and low-Na diet. However, serum insulin was significantly higher following low-Na diet (p<0.01). It is concluded that diastolic blood pressure, serum triglyceride, serum apo A-I, blood aggregation time were decreased in low-Na diet, while serum apo B and serum insulin were increased. These results suggest that Na-restricted diet affects not only blood Pressure but other biochemical parameters in blood. Therefore, for the patients who need restricted Na diet, it would be suggested that various biochemical changes should be carefully considered along with dietary Na manipulation.
Hong, Young Mi;Song, Young Whan;Kim, Hae Soon;Park, Hae Sook;Min, Jung Hae;Jung, Jo Won;Kim, Nam Su;Noh, Chung Il
Clinical and Experimental Pediatrics
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v.52
no.10
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pp.1109-1118
/
2009
Purpose : Metabolic syndrome (MS), characterized by obesity and insulin resistance, elicits risk factors such as hyperlipidemia, hypertension, and glucose intolerance with additive effects on atherosclerosis, leading to cardiovascular diseases. The purposes of this study were to evaluate the prevalence of MS among overweight and obese adolescents and to investigate the impact of obesity on the cardiovascular system. Methods : In all, 684 adolescents were included in the study. Blood pressure, body mass index (BMI), fasting blood glucose, total cholesterol, triglyceride, low-density-lipoprotein (LDL)-cholesterol, high-density-lipoprotein (HDL)-cholesterol, aspartate aminotransferase (AST), alanine aminotransferase (ALT), and high-sensitive C-reactive protein (hs-CRP) were measured in the patients with a BMI of >85 percentile. Brachial-ankle pulse wave velocity (BaPWV) and ankle brachial index were measured using Vascular Profiler (VP)-1000. Results : MS was confirmed in 19.5% of the overweight and obese adolescents and 50.8% of the obese adolescents. The systolic and diastolic blood pressure, height, weight, fat mass, %fat, BMI, obesity index, and waist circumference were higher in the overweight and obese adolescents with MS. Moreover, the triglyceride, AST, ALT, and hs-CRP levels were higher, whereas HDL-cholesterol level was significantly lower in this group. The overweight and obese adolescents with MS showed shorter diastolic and systolic times, higher heart rate and BaPWV, and longer E-wave deceleration time by echocardiography. Conclusion : Overweight and obese adolescents showed characteristic MS features such as hypertension and hyperlipidemia. Thus, obese adolescents predisposed to MS should be provided early treatment for obesity.
Journal of Physiology & Pathology in Korean Medicine
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v.20
no.5
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pp.1337-1345
/
2006
Hypercholesterolemia is a pivotal pathogenic factor for the development and maintenance of atherosclerosis. The present study was designed to evaluate whether the methanol extract of Sorbus commixta cortex (MSC) restores vascular dysfunction in association with the aortic expressions of proinflarnmatory and adhesion molecules in high cholesterol (HC) diet-rats. Chronic treatment with low (100 mg/kg/day) or high doses (200 mg/kg/day) of MSC lowered the increase in plasma levels of triglyceride (TG) and low-density lipoprotein (LDL) cholesterol induced by a cholesterol-enriched diet without affecting on the plasma level of high density lipoprotein (HDL)-cholesterol. Vascular tone attenuated in the HC-diet rats was restored by administration with MSC. Treatment with MSC also suppressed the HC-induced increase in the monocyte chemoattractant protein-1 (MCP-1) and nuclear factor-$_K$B (NF-$_K$B) p65 expressions as well as expressions levels of adhesion molecules including intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (ICAM-1), and E-selectin in aorta. The present study also showed that MSC inhibited the HC-mediated induction of ET-1 and ACE expression. In histopathological examination, aortic segments in the HC-diet rat revealed thickening intima and media, which were blocked by administration with MSC. Taken together, MSC could suppress the development of atherosclerosis in the HC-diet rat model through the inhibition of the aortic expression levels of pro-inflammatory and adhesion molecules.
Serum levels of antioxidant vitamins and lipids were determined along with anthropometric measurements in 174 healthy male subjects with mean age of 50.3$\pm$6.8 years from Taegu area in Korea. Body mass index (BMI) and waist/hip(W/H) ratio of the subjects were 23.18$\pm$2.46 and 0.88$\pm$0.04, respectively and their systolic and distolic blood pressures were 127.8$\pm$15.5 and 83.9$\pm$10.8mmHg. Twenty one percent of the subject had BMI over 25. Average seum levels of total cholesterol, LDL- and HDL-cholesterol and triglyceride were 187.7$\pm$34.9, 117.6$\pm$33.5, 41.1$\pm$9.0 and 140.7$\pm$83.6mg/dl, respectively. Sixteen percent of the subject had LDL-chole-sterol over 130mg/dl. Serum level of lipid peroxide measured as thiobarbituric acid reactive substances(TBARS) of the subject was 2.01$\pm$0.77 MDA nmoles/ml and those of $\alpha$-tocopherol, retinol. ascorbic acid and sum of $\alpha$- and $\beta$-carotene were 9.59$\pm$3.11$\mu\textrm{g}$/ml, 1.15$\pm$ 0.38$\mu\textrm{g}$/ml, 10.5$\pm$3.8$\mu\textrm{g}$/ml and 64.6$\pm$43.$\mu\textrm{g}$/dl, respectively. About 14% of the sujects had low vitamin E status of less than 7.0$\mu\textrm{g}$/ml,. while 6% had low vitamin C status of less than 4.0$\mu\textrm{g}$/ml, Serum vitamin E showed positive correlations with total cholesterol and LDL-cholesterol and triglyceride, but no correlation with TBARS. Fatty acids of serum total lipid were composed of 42.9% as saturnted. 19.3% as monounsaturated and 36.7% polyunsaturated fatty acids(PUFA). N-6 and n-3 PUFA were 27.7% and 8.3% of total fatty acids. N-6/n-3 PUFA ratios were negatively correlated both with serum total cholesterol and TBARS.
Journal of the Korean Society of Food Science and Nutrition
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v.33
no.7
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pp.1126-1132
/
2004
The present study was undertaken to evaluate the effect of functional food, which was processed with fermented soybean as main ingredient (FS), on the body weight, organ weight, plasma glucose, and plasma lipid in diabetic rats caused by streptozotocin (STZ). The body weight was decreased more slowly in the FS group than in the diabetic, and the food intake increased significantly in all diabetic groups. The food efficiency was very low in all diabetic groups, but increased significantly in the FS groups than diabetic control (p<0.05). In comparing the weight of organ, the weight of liver and kidney were increased in all diabetic groups than in the control, and decreased slightly in FS groups. The weight of heart and spleen were not different among all test groups. In the oral glucose tolerance test, the blood glucose in the diabetic group was the highest in 60 minutes. And the blood glucose in the FS group was the highest in 30 minutes, and decreased significantly after 120 minutes to the level of fasting glucose. The glucose in serum was decreased significantly in the FS groups fed the functional food for 4 weeks, compared to the diabetic control (p<0.05). Total cholesterol, triglyceride and atherogenic index (AI) in serum were significantly higher in diabetic control, compared to the normal (p<0.05), and decreased by 16.4%, 15.4% and 48.3%, respectively, in the FS fed 400 mg/kg of functional food. HDL-cholesterol was increased significantly in the FS-400, compared to the diabetic control. These results support that functional food using fermented soybean improve glucose and lipid metabolism in diabetic rats.
The study was performed to examine the metabolic syndrome risk factors in accordance with the obesity types based on body mass index (BMI) and waist circumference cutoffs. The diagnosis of metabolic syndrome closely adhered to the NCEP-ATP III criteria, and obesity was defined using the WHO Asian-Pacific criteria. We used the data from 591 elderly women, all aged over 65 years. They were divided into four groups: The normal group (n=272), the obesity group (n=124), abdominal obesity group (n=19), and obesity-abdominal obesity group (n=176). The obesity-abdominal obesity group was the most prevalent group of low HDL-cholesterol (p=0.009), hypertriglyceridemia (p=0.025), abdominal obesity (p<0.001), and metabolic syndrome (p<0.001). Logistic regression analysis demonstrated that the obesity-abdominal obesity group had the highest odds ratio in predicting metabolic syndrome (OR: 10.638, 95% CI: 6.053~18.697). Therefore, the obesity-abdominal obesity group was the strongest predictive factor of metabolic syndrome risk in Korean elderly women.
Cui Zhao-Hui;Li Yan-Ping;Liu Ai-Ling;Zhang Qian;Du Wei-Jing;Ma Guan-Sheng
Journal of Community Nutrition
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v.6
no.3
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pp.131-136
/
2004
The purpose of this study is to compare the relative risk of metabolic syndrome (MS) in middle aged adults with different body weights. 155 subjects living in urban Beijing were recruited from 24 neighborhood committees of urban Beijing. They were divided into normal weight, overweight and obese groups according to their BMIs. The general information of the subjects was collected using an interview-administered questionnaire. Standard procedure was followed to measure subject's weight, height and waist. Biochemical parameters (total cholesterol (TC), low- and highdensity lipoprotein cholesterol (LDL-C ; HDL-C), triglyceride (TG), and fasting glucose) and blood pressure were also determined. The results indicated that the systolic and diastolic blood pressure, HDL-C of obese group was lower than that of the normal weight group. Fasting glucose of obese males was significantly higher than that of normal weight males. No significant difference of fasting glucose was found among female groups. No significant difference of TG was found among male groups, while TG of overweight and obese females was both significantly higher than normal weight females. There was no significant difference of TC and LDL-C among normal weight, overweight and obese groups in both males and females. The MS rate of obese males was significantly higher than the normal weight and overweight males, as was the female. The relative risk of MS in obese group was about 11 times higher (OR=11.249, $95\%CI$ = 3.812 - 33.191) than the normal weight group after adjusting for age, gender, smoking, drinking, family economic level and education status. It is concluded that obesity contributed to lower HDL-C, hypertriglyceride, hypertension and MS after controlling the effects of age, gender, socioeconomic status, alcohol drinking and smoking. Obese individuals have a higher risk of having MS than their normal weight counterparts.
The glycation process plays an important role in accelerated atherosclerosis in diabetes, and the uptake of atherogenic lipoproteins by macrophage in the intima of the vessel wall leads to foam cell formation, an early sign of atherosclerosis. Besides the lipolytic action on the plasma triglyceride component, lipoprotein lipase (LPL) has been reported to enhance the cholesterol uptake by arterial wall cells. In this study, some properties of LPL-mediated low-density lipoprotein (LDL) uptake and the effect of LDL glycation were investigated in RAW 264.7 cell, a murine macrophage cell line. In the presence of LPL, $^{125}I$-LDL binding to RAW 264.7 cells was increased in a dose-dependent manner. At concentrations greater than $20\;{\mu}g/ml$ of LPL, LPL-mediated LDL binding was increased about 17-fold, achieving saturation. Without LPL, both very low-density lipoprotein (VLDL) and high-density lipoprotein (HDL) were ineffective in blocking the binding of $^{125}I$-LDL to Cells. However, LPL-enhanced LDL binding was inhibited about 50% by the presence of VLDL, while no significant effect was observed with HDL. Heat inactivation of LPL caused a 30% decrease of LDL binding. In the presence of LPL, the cells took up 40% of cell-bound native LDL. No significant difference was observed in cell binding between native and glycated LDL. However, the uptake of glycated LDL was significantly greater than that of native LDL, reaching to 70% of the total cell bound glycated LDL. These results indicate that LPL can cause the significant enhancement of LDL uptake by RAW 264.7 cells and the enhanced uptake of glycated LDL in the presence of LPL might play an important role in the accelerated atherogenesis in diabetic patients.
Purpose: Visceral adipose tissue may be strongly linked to increased metabolic risks in adults. However, because little is known regarding the effect of visceral adipose tissue in children and adolescents, we performed this study to determine the association between abdominal fat distribution and metabolic risk factors in this population. Methods: One hundred one children and adolescents (78 males and 23 females; mean age, 10.8${\pm}$2.4 years) were enrolled. The anthropometric data and metabolic risk factors were evaluated. Theabdominal fat distribution was assessed according to the CT measurement. Age-adjusted, partial correlations were performed among the visceral adipose fat area (VFA), subcutaneous adiposefat area (SFA), metabolic risk factors, and anthropometrics. Results: The SFA increased more rapidly than the VFA with advancing years in both genders. In males, the VFA and SFA were positively correlated with anthropometrics. The VFA was correlated with low HDL-cholesterol and the SFA was correlated with diastolic blood pressure (DBP). However, there was no statistical significance between the VFA, SFA, anthropometrics, and other metabolic risk factors. The VFA and SFA were strongly linked to a number of metabolic risk factors, such as other anthropometrics. Conclusion: This study investigated how a low HDL-C was correlated with VFA and how a high DBP was associated with SFA in Korean male children and adolescents. Our results suggest that the correlation between the VFA, SFA, and metabolic risk factors was relatively weak compared to that reported in previous adult studies.
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