Pengli Bao1, Geli Liu1, Ying Wei1. 1. Department of Paediatrics, General Hospital of Tianjin Medical University Tianjin 300052, China.
Abstract
OBJECTIVE: Metabolic syndrome (MS) is conceived as the pathogenic basis of an increased cardiovascular burden. We investigate the correlation between interleukin-6 (IL-6) and the risk factors of MS and cardiovascular disease (CVD) in diet-induced model of MS and determined whether IL-6 was associated with the prevalence of MS and cardiovascular disease. METHODS: A total of 40 Spague-Dawley (SD) rats were randomly divided into high-fat and high salt (FSC) group, high-fat (FC) group and normal control (NC) group. After feeding for 7 weeks, fasting blood glucose (FBG) and fasting insulin (FIN) were measured at the 60 min, 120 min and 180 min after the glucose administration. Blood pressure, body weight, height, waist circumference (WC), liver weight, visceral fat weight as well as blood lipid profile were determined at the end of 7-week. Furthermore, IL-6 levels from adipose tissues were analyzed using ELISA, and the correlation between IL-6 and the risk factors of MS and cardiovascular disease was investigated. RESULTS: After treatment with different diets, significant difference was noted in the WC, body mass index (BMI), visceral fat weight and liver weight of FSC group compared with those of NC group (P<0.05). The levels of systolic blood pressure (SBP), diastolic blood pressure (DBP), total cholesterol (TC), triacylglycerol (TG) and low density lipoprotein (LDL) were markedly elevated in FSC group compared with those in NC group, while the level of high density lipoprotein (HDL) was remarkable lower in FSC group (P<0.05). After glucose administration, the concentrations of blood glucose and insulin were significant higher in FSC group than those in NC group at different time points (P<0.05). Moreover, high-fat and high salt diet brought about significant elevation of IL-6 compared with that with normal or high-fat diet in SD rats. Furthermore, IL-6 was significantly associated with FIN, HOMA-IR, LDL, TC, TG, HDL, visceral fat mass and body weight in FSC group, while IL-6 was markedly correlated with TC, LDL, TG, visceral fat mass and body weight (P<0.05). CONCLUSION: A characteristic rat model of MS may be induced by the high-fat and high-salt diet. IL-6 may be considered as an early and representative marker in the pathogenesis of MS and related cardiovascular burden.
OBJECTIVE:Metabolic syndrome (MS) is conceived as the pathogenic basis of an increased cardiovascular burden. We investigate the correlation between interleukin-6 (IL-6) and the risk factors of MS and cardiovascular disease (CVD) in diet-induced model of MS and determined whether IL-6 was associated with the prevalence of MS and cardiovascular disease. METHODS: A total of 40 Spague-Dawley (SD) rats were randomly divided into high-fat and high salt (FSC) group, high-fat (FC) group and normal control (NC) group. After feeding for 7 weeks, fasting blood glucose (FBG) and fasting insulin (FIN) were measured at the 60 min, 120 min and 180 min after the glucose administration. Blood pressure, body weight, height, waist circumference (WC), liver weight, visceral fat weight as well as blood lipid profile were determined at the end of 7-week. Furthermore, IL-6 levels from adipose tissues were analyzed using ELISA, and the correlation between IL-6 and the risk factors of MS and cardiovascular disease was investigated. RESULTS: After treatment with different diets, significant difference was noted in the WC, body mass index (BMI), visceral fat weight and liver weight of FSC group compared with those of NC group (P<0.05). The levels of systolic blood pressure (SBP), diastolic blood pressure (DBP), total cholesterol (TC), triacylglycerol (TG) and low density lipoprotein (LDL) were markedly elevated in FSC group compared with those in NC group, while the level of high density lipoprotein (HDL) was remarkable lower in FSC group (P<0.05). After glucose administration, the concentrations of blood glucose and insulin were significant higher in FSC group than those in NC group at different time points (P<0.05). Moreover, high-fat and high salt diet brought about significant elevation of IL-6 compared with that with normal or high-fat diet in SD rats. Furthermore, IL-6 was significantly associated with FIN, HOMA-IR, LDL, TC, TG, HDL, visceral fat mass and body weight in FSC group, while IL-6 was markedly correlated with TC, LDL, TG, visceral fat mass and body weight (P<0.05). CONCLUSION: A characteristic rat model of MS may be induced by the high-fat and high-salt diet. IL-6 may be considered as an early and representative marker in the pathogenesis of MS and related cardiovascular burden.
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