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Sökning: WFRF:(Matsuzawa Yuji)

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  • Brekke, Hilde Kristin, 1972, et al. (författare)
  • Lifestyle modification improves risk factors in type 2 diabetes relatives.
  • 2005
  • Ingår i: Diabetes research and clinical practice. - : Elsevier BV. - 0168-8227. ; 68:1, s. 18-28
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: To investigate the short-term (16 weeks) effect of lifestyle intervention on insulin sensitivity, anthropometric and metabolic variables in non-diabetic first-degree relatives of type 2 diabetic patients (FDR). METHODS: Seventy-seven (49 male, 28 female) FDR were allocated to one of three groups, diet (D-group; n = 25), diet and exercise (DE-group; n = 30) or control group (C-group; n = 22). Lifestyle counselling was based on current nutrition recommendations, including increased intake of fatty fish and low glycaemic index foods. Group counselling was given on two occasions with follow-up through telephone interviews every 10 days. Assessments included insulin sensitivity index (Si), anthropometry, lipid parameters, circulating leptin and adiponectin levels. RESULTS: The D-group reduced total cholesterol (-0.31 mmol/l, P = 0.024), LDL cholesterol (-0.22 mmol/l, P = 0.021) and apolipoprotein B (-9.5 mg/dl, P = 0.009) levels, whereas the DE-group decreased body weight (-2.1%, P = 0.030) and waist circumference (-3.0 cm, P < 0.001) versus controls. A 13% reduction in fasting insulin was observed in the DE-group, but no significant improvement in Si in D-group or DE-group was observed. A subgroup, adherent to diet and who increased exercise, significantly improved Si and lipid profile. CONCLUSIONS: The improved metabolic risk profile in FDR suggests that lifestyle changes can be effective in individuals at high risk to develop type 2 diabetes and cardiovascular disease.
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3.
  • Johanson, Else H, et al. (författare)
  • Fat distribution, lipid accumulation in the liver, and exercise capacity do not explain the insulin resistance in healthy males with a family history for type 2 diabetes.
  • 2003
  • Ingår i: The Journal of clinical endocrinology and metabolism. - 0021-972X. ; 88:9, s. 4232-8
  • Tidskriftsartikel (refereegranskat)abstract
    • To explore the mechanisms for the insulin resistance associated with a family history of type 2 diabetes, we studied 16 healthy men with at least two first-degree relatives with type 2 diabetes and 16 control subjects without known heredity. They were pair-wise matched for age, body mass index, and fasting triglycerides and underwent an oral glucose tolerance test, iv glucose infusion to measure the early insulin secretion, euglycemic hyperinsulinemic clamp, computed tomography scan, 7-d food record, and a cardiopulmonary exercise test to measure peak oxygen uptake. Insulin sensitivity index was 30% lower (P = 0.02) in relatives, compared with controls, but fasting and 2-h blood glucose and first-phase insulin secretion were similar. There were no differences in mean fasting free fatty acid levels, amount of sc or visceral adipose tissue, or fat accumulation in the liver. Dietary intake and peak oxygen uptake were also similar. However, multiple regression analysis of both groups showed that fat in the liver and physical capacity were, like known heredity for type 2 diabetes, independent predictors of insulin sensitivity. Thus, lipid accumulation in the liver and physical capacity are related to insulin sensitivity, but neither of these factors nor the amount and distribution of the body fat can explain the insulin resistance associated with a family history for type 2 diabetes.
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