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Sökning: WFRF:(Vessby Bengt)

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1.
  • Basu, Samar, et al. (författare)
  • Type 1 diabetes is associated with increased cyclooxygenase- and cytokine-mediated inflammation
  • 2005
  • Ingår i: Diabetes Care. - : American Diabetes Association. - 0149-5992 .- 1935-5548. ; 28:6, s. 1371-1375
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: The extent of involvement of cyclooxygenase (COX)-mediated inflammation in type 1 diabetes is unknown, and the association between the COX- and cytokine-mediated inflammatory responses in type 1 diabetes is not fully understood. RESEARCH DESIGN AND METHODS: Plasma high-sensitivity C-reactive protein (CRP), 24-h urinary and plasma 15-keto-dihydro-prostaglandin F(2alpha) (a metabolite of prostaglandin F(2alpha) [PGF(2alpha)] and an indicator of COX-mediated inflammation), serum amyloid protein A (SAA), and interleukin (IL)-6 (indicators of inflammation) were measured in 38 subjects with type 1 diabetes and 41 healthy age- and sex-matched control subjects. RESULTS: The inflammatory indicators (urinary 15-keto-dihydro-PGF(2alpha), P < 0.01; IL-6, P < 0.04) were increased in men with diabetes. CRP and SAA did not show any significant difference between the diabetic and the control subjects. Urinary levels of 15-keto-dihydro-PGF(2alpha) correlated with the degree of glycemic control, HbA(1c) (r = 0.42, P < 0.0005). No correlation was found between the duration of diabetes and the inflammatory biomarkers or metabolic measurements. CONCLUSIONS: These results suggest that an early low-grade inflammatory process reflected by elevated levels of PGF(2alpha) and IL-6 is involved in type 1 diabetes. Thus, both COX- and cytokine-mediated inflammatory pathways are significantly related to type 1 diabetes.
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  • Vessby, Johan, et al. (författare)
  • Oxidative stress and antioxidant status in type 1 diabetes mellitus
  • 2002
  • Ingår i: Journal of Internal Medicine. - : Wiley. - 0954-6820 .- 1365-2796. ; 251:1, s. 69-76
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: To test the hypothesis that type 1 diabetes is associated with increased oxidative stress and/or antioxidant status by investigating concentrations of 8-iso-prostaglandin F2alpha (8-iso-PGF2alpha) in urine and plasma and malondialdehyde (MDA) in plasma as indicators of lipid peroxidation in vivo, and antioxidant status in diabetic subjects compared with healthy control subjects. DESIGN AND SUBJECTS: Thirty-eight subjects with type 1 diabetes mellitus and 41 healthy age- and sex-matched control subjects were included in the study. Blood and urine samples were obtained and analysed for 8-iso-PGF2alpha with a newly developed radioimmunoassay, as well as for MDA, total antioxidant capacity (TAOC) and serum tocopherol levels. RESULTS: None of the variables of lipid peroxidation showed any significant difference between the two groups. Similarly, there were no significant correlations between the levels of 8-iso-PGF2alpha or MDA, and degree of glycemic control (HbA1c). Total antioxidant capacity in plasma was 16% lower amongst the subjects with type 1 diabetes than in the control group (P < 0.0005). Lipid corrected levels of alpha-tocopherol in serum were significantly increased in type 1 diabetic subjects (P < 0.05), as were gamma-tocopherol levels (P < 0.005). CONCLUSIONS: In spite of lower total antioxidant defence, our results do not support the oxidative stress hypothesis for type 1 diabetes mellitus. The higher tocopherol levels suggest that no vitamin E supplementation is necessary for subjects with type 1 diabetes mellitus.
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  • Abramsson-Zetterberg, Lilianne, et al. (författare)
  • The impact of folate status and folic acid supplementation on the micronucleus frequency in human erythrocytes
  • 2006
  • Ingår i: Mutation Research. - : Elsevier BV. - 1383-5742 .- 1388-2139. ; 603:1, s. 33-40
  • Tidskriftsartikel (refereegranskat)abstract
    • Folic acid has a well-documented stabilising effect on chromosomes. A correlation between folate status and chromosome stability in humans has been reported in studies that were restricted to certain subpopulations, e.g., folate-deficient persons. The goal of the present investigation was to clarify if there also is a correlation between folate status and chromosome stability among individuals without any folate deficiency. The method used here is the recently developed flow cytometry-based micronucleus assay in human transferrin-positive reticulocytes (MN-Trf-Ret). In a blood sample, separation of the very young reticulocytes from the mature erythrocytes makes this micronucleus assay possible. This investigation comprises three studies (cross-sectional, giving baseline data), two of which are connected to an intervention study. In the three cross-sectional studies (total number of subjects, 99) the frequency of MN-Trf-Ret (fMN-Trf-Ret) was measured and compared with the serum folate status. In two of the studies also serum homocysteine and Vitamin B12 were measured and compared with the baseline fMN-Trf-Ret. Combining the results from the three cross-sectional studies, a negative correlation between folate status and fMN-Trf-Ret was obtained (p < 0.05). The goal of the intervention studies was to clarify if different nutritional supplementations had any effect on the fMN-Trf-Ret and the cell proliferation (percentage polychromatic erythrocytes, PCE). Each of the two studies involved two groups, one placebo and one supplemented group. In one of the studies the supplementation was folic acid, 1000 μg/day during 1 week (n = 30, both sexes); in the other intervention study, folic acid (800 μg/day), B12 (20 μg/day) and B6 (4 mg/day) were taken during 1 week (n = 29, both sexes). No significant difference in %PCE or fMN-Trf-Ret between the two groups was found in either of the two intervention studies.
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  • Adamsson, Viola, et al. (författare)
  • Effects of a healthy Nordic diet on cardiovascular risk factors in hypercholesterolaemic subjects : a randomized controlled trial (NORDIET)
  • 2011
  • Ingår i: Journal of Internal Medicine. - Oxford : Wiley. - 0954-6820 .- 1365-2796. ; 269:2, s. 150-159
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective. The aim of this study was to investigate the effects of a healthy Nordic diet (ND) on cardiovascular risk factors. Design and subjects. In a randomized controlled trial (NORDIET) conducted in Sweden, 88 mildly hypercholesterolaemic subjects were randomly assigned to an ad libitum ND or control diet (subjects' usual Western diet) for 6 weeks. Participants in the ND group were provided with all meals and foods. Primary outcome measurements were low-density lipoprotein (LDL) cholesterol, and secondary outcomes were blood pressure (BP) and insulin sensitivity (fasting insulin and homeostatic model assessment-insulin resistance). The ND was rich in high-fibre plant foods, fruits, berries, vegetables, whole grains, rapeseed oil, nuts, fish and low-fat milk products, but low in salt, added sugars and saturated fats. Results. The ND contained 27%, 52%, 19% and 2% of energy from fat, carbohydrate, protein and alcohol, respectively. In total, 86 of 88 subjects randomly assigned to diet completed the study. Compared with controls, there was a decrease in plasma cholesterol (-16%, P < 0.001), LDL cholesterol (-21%, P < 0.001), high-density lipoprotein (HDL) cholesterol (-5%, P < 0.01), LDL/HDL (-14%, P < 0.01) and apolipoprotein (apo)B/apoA1 (-1%, P < 0.05) in the ND group. The ND reduced insulin (-9%, P = 0.01) and systolic BP by -6.6 +/- 13.2 mmHg (-5%, P < 0.05) compared with the control diet. Despite the ad libitum nature of the ND, body weight decreased after 6 weeks in the ND compared with the control group (-4%, P < 0.001). After adjustment for weight change, the significant differences between groups remained for blood lipids, but not for insulin sensitivity or BP. There were no significant differences in diastolic BP or triglyceride or glucose concentrations. Conclusions. A healthy ND improves blood lipid profile and insulin sensitivity and lowers blood pressure at clinically relevant levels in hypercholesterolaemic subjects.
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  • Adamsson, Viola, et al. (författare)
  • Effects of a Nordic diet on cardiovascular and metabolic risk factors in hypercholesterolemic subjects: a randomized controlled study
  • 2009
  • Konferensbidrag (refereegranskat)abstract
    • Background: Apart from lipid-lowering drugs, dietary changes can also reduce plasma LDL-C concentrations. No studies have been conducted to investigate the clinical effects of a diet with traditional foods originating from the Nordic countries. Method: In a randomised, controlled parallel-group intervention study 88 mildly hypercholesterolemic men and women were randomized to either an ad libitum Nordic diet (ND) or a control diet (CD) for 6 weeks. All meals and foods were provided to the participants in the ND group. Primary outcome measure was LDL-cholesterol, and secondary outcomes were blood pressure, plasma insulin and glucose concentrations. The ND was a high-fibre diet rich in plant foods (fruit, berries, vegetables, root vegetables, whole grain cereals and legumes), vegetable fats (rapeseed oil and nuts) and fatty fish, low-fat milk products, but low in salt, added sugars, saturated fats and red meats. Result: 86 subjects completed the study. Distribution of carbohydrates, fat and protein (E%) in ND was 54, 27, 19, respectively. ND lowered plasma total cholesterol 0.98±0.75 mmol/l (-16%), LDL-C by 0.83±0.67 mmol/l (-21%), HDL-C 0.08±0.23 mmol/l (-5%), including reduced LDL/HDL ratio by -0.42±0.57 (-14%) (all p<0.01 versus controls). Insulin concentrations decreased by 0.51± 2.25 (-9%, p=0.01) and systolic blood pressure by 7±13 mmHg (-5%, P<0.01) compared to controls. Despite diets were eaten ad libitum, body weight decreased by 3.0 kg in the ND (P<0.001). No significant differences were found for diastolic blood pressure, triglycerides or plasma glucose. Conclusion: A Nordic diet improves blood lipid profile, and insulin sensitivity as well as lowering blood pressure to a clinically significant extent in hypercholesterolemic subjects.
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  • Adamsson, Viola, et al. (författare)
  • Influence of a healthy Nordic diet on serum fatty acid composition and associations with blood lipoproteins : results from the NORDIET study
  • 2014
  • Ingår i: Food & Nutrition Research. - : SNF Swedish Nutrition Foundation. - 1654-6628 .- 1654-661X. ; 58, s. 24114-
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Background: The fatty acid (FA) composition of serum lipids is related to the quality of dietary fat. The aim of this study was to investigate the effects of a healthy Nordic diet (ND) on the FA composition of serum cholesterol esters (CE-FA) and assess the associations between changes in the serum CE-FA composition and blood lipoproteins during a controlled dietary intervention.Methods: The NORDIET trial was a six-week randomised, controlled, parallel-group dietary intervention study that included 86 adults (53±8 years) with elevated low-density lipoprotein cholesterol LDL-C. Serum CE-FA composition was measured using gas chromatography. Diet history interviews were conducted, and daily intake was assessed using checklists.Results: Food and nutrient intake data indicated that there was a reduction in the fat intake from dairy and meat products and an increase in the consumption of fatty fish with the ND, decreasing the levels of saturated fatty acids (SFA) in the diet, slightly decreasing the levels of monounsaturated fatty acids (MUFA) and moderately increasing the levels of polyunsaturated fatty acids (PUFA). Concomitantly, the levels of CE-SFA 14:0, 15:0 and 18:0, but not 16:0, decreased during the ND, and these changes differed from those observed in the control diet group (p<0.01). In contrast, serum 22:6n-3 increased during the ND compared with the control diet (p<0.01). The changes in CE-SFA 14:0, 15:0 and 18:0 during the intervention correlated positively with those in LDL-C, HDL-C, LDL-C/HDL-C, ApoA1 and ApoB (p<0.01), whereas the changes in CE-PUFA 22:6n-3 were negatively correlated with changes in the corresponding serum lipids.Conclusions: The decreased intake of saturated fat and increased intake of n-3 PUFA in a healthy Nordic diet are partly reflected by changes in the serum CE-FA composition, which are associated with an improved serum lipoprotein pattern.
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  • Adamsson, Viola, et al. (författare)
  • What is a healthy Nordic diet? : Foods and nutrients in the NORDIET study
  • 2012
  • Ingår i: Food & Nutrition Research. - Bålsta : SNF Swedish Nutrition Foundation. - 1654-6628 .- 1654-661X. ; 56, s. 18189-
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: A healthy Nordic diet (ND), a diet based on foods originating from the Nordic countries, improves blood lipid profile and insulin sensitivity and lowers blood pressure and body weight in hypercholesterolemic subjects. Objective: To describe and compare food and nutrient composition of the ND in relation to the intake of a Swedish reference population (SRP) and the recommended intake (RI) and average requirement (AR), as described by the Nordic nutrition recommendations (NNR). Design: The analyses were based on an estimate of actual food and nutrient intake of 44 men and women (mean age 53 +/- 8 years, BMI 26 +/- 3), representing an intervention arm receiving ND for 6 weeks. Results: The main difference between ND and SRP was the higher intake of plant foods, fish, egg and vegetable fat and a lower intake of meat products, dairy products, sweets and desserts and alcoholic beverages during ND (p<0.001 for all food groups). Intake of cereals and seeds was similar between ND and SRP (p>0.3). The relative intake of protein, fat and carbohydrates during ND was in accordance with RI. Intake of all vitamins and minerals was above AR, whereas sodium intake was below RI. Conclusions: When compared with the food intake of an SRP, ND is primarily a plant-based diet. ND represents a balanced food intake that meets the current RI and AR of NNR 2004 and has a dietary pattern that is associated with decreased morbidity and mortality.
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  • Andersson, Agneta, et al. (författare)
  • Effects of physical exercise on phospholipid fatty acid composition in skeletal muscle
  • 1998
  • Ingår i: American Journal of Physiology. Endocrinology and Metabolism. - 0193-1849 .- 1522-1555. ; 274:37, s. E432-E438
  • Tidskriftsartikel (refereegranskat)abstract
    • The effects of low-intensity exercise on the fatty acid composition in skeletal muscle and in serum were studied in 19 sedentary, middle-aged Swedish men. During a 10-wk period, all subjects were given a standardized diet with an identical fat composition. After 4 wk on this diet, they were randomly allocated to a daily exercise program (55% peak oxygen uptake) or to continue to live a sedentary life for the remaining 6 wk. Aerobic capacity (submaximal bicycle test) and peripheral insulin sensitivity (hyperinsulinemic euglycemic clamp) improved with training, whereas the body weight as well as the body composition (underwater weighing and bioimpedance) were unchanged. The proportions of palmitic acid (16:0) and linoleic acid [18:2(n-6)] and the sum of n-6 fatty acids [18:2(n-6), 20:3(n-6), 20:4(n-6)] were decreased in skeletal muscle phospholipids, whereas the proportion of oleic acid [18:1(n-9)] was increased, by training. The fatty acid profile in skeletal muscle triglycerides remained unchanged. We conclude that regular low-intensity exercise influences the fatty acid composition of the phospholipids in skeletal muscle, which hypothetically may contribute to changes of the skeletal muscle membrane fluidity and influence the peripheral insulin sensitivity.
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  • Andersson, Agneta, et al. (författare)
  • Fatty acid composition of skeletal muscle reflects dietary fat compositionin humans
  • 2002
  • Ingår i: American Journal of Clinical Nutrition. - 0002-9165 .- 1938-3207. ; 76:6, s. 1222-1229
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: It is still unknown whether the fatty acid composition of human skeletal muscle lipids is directly influenced by the fat composition of the diet.Objective: We investigated whether the fatty acid composition of the diet is reflected in the fatty acid profile of skeletal muscle phospholipids and triacylglycerols.Design: Thirty-two healthy adults (25 men and 7 women) included in a larger controlled, multicenter dietary study were randomly assigned to diets containing a high proportion of either saturated fatty acids (SFAs) [total fat, 36% of energy; SFAs, 18% of energy; monounsaturated fatty acids (MUFAs), 10% of energy] or MUFAs (total fat, 35% of energy; SFAs, 9% of energy; MUFAs, 19% of energy) for 3 mo. Within each diet group, there was a second random assignment to supplementation with fish oil capsules [containing 3.6 g n−3 fatty acids/d; 2.4 g eicosapentaenoic acid (20:5n−3) and docosahexaenoic acid (22:6n−3)] or placebo. A muscle biopsy sample was taken from the vastus lateralis muscle after the diet period. Parallel analyses of diet and supplementation effects were performed.Results: The proportions of myristic (14:0), pentadecanoic (15:0), heptadecanoic (17:0), and palmitoleic (16:1n−7) acids in the skeletal muscle phospholipids were higher and the proportion of oleic acid (18:1n−9) was lower in the SFA group than in the MUFA group. The proportion of total n−3 fatty acids in the muscle phospholipids was ≈2.5 times higher, with a 5 times higher proportion of eicosapentaenoic acid (20:5n−3), in subjects supplemented with n−3 fatty acids than in those given placebo. Similar differences were observed in the skeletal muscle triacylglycerols.Conclusion: The fatty acid composition of skeletal muscle lipids reflects the fatty acid composition of the diet in healthy men and women.
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  • Andersson, Agneta, et al. (författare)
  • Fatty acid profile of skeletal muscle phospholipids in trained and untrained young men
  • 2000
  • Ingår i: American Journal of Physiology. Endocrinology and Metabolism. - 0193-1849 .- 1522-1555. ; 279:4, s. E744-E751
  • Tidskriftsartikel (refereegranskat)abstract
    • Endurance trained (n = 14) and untrained young men (n = 15) were compared regarding the fatty acid profile of the vastus lateralis muscle after 8 wk on diets with a similar fatty acid composition. The skeletal muscle phospholipids in the trained group contained lower proportions of palmitic acid (16:0) (-12.4%, P < 0.001) and di-homo-gamma-linolenic acid [20:3(n-6)] (-15.3%, P = 0.018), a lower n-6-to-n-3 ratio (-42.0%, P = 0.015), higher proportions of stearic acid (18:0) (+9.8%, P = 0.004) and sum of n-3 polyunsaturated fatty acids (+33.8%, P = 0.009), and a higher ratio between 20:4(n-6) to 20:3(n-6) (+18.4%, P = 0.006) compared with those in the untrained group. The group differences in 16:0, 20:3(n-6), 18:0/16:0, and 20:4(n-6)/20:3(n-6) were independent of fiber-type distribution. The trained group also showed a lower proportion of 16:0 (-7.9%, P < 0.001) in skeletal muscle triglycerides irrespective of fiber type. In conclusion, the fatty acid profile of the skeletal muscle differed between trained and untrained individuals, although the dietary fatty acid composition was similar. This difference was not explained by different fiber-type distribution alone but appears to be a direct consequence of changes in fatty acid metabolism due to the higher level of physical activity.
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  • Andersson, Agneta, et al. (författare)
  • Oförändrad insulinkänslighet och lipidperoxidation efter ökat intag av fullkornsprodukter hos friska män och kvinnor.
  • 2006
  • Ingår i: Livsmedelsforskardagarna.
  • Konferensbidrag (populärvet., debatt m.m.)abstract
    • Flertalet epidemilogiska studier har visat positiva hälsoeffekter av ett högt intag av fullkornsprodukter. Framförallt är en minska risk för hjärtinfarkt/sjukdom visad, och datatalar även för en minskad risk för typ 2 diabetes. Mekanismerna bakom fullkornets positiva effekter är dock fortfarande oklara. Såväl en förbättrad insulinkänslighet som en minskad förekomst av lipidperoxidation och inflammation har föreslagits, vilket vi därför önskade undersöka i denna studie.I en randomiserad cross-over design deltog 30 lätt överviktiga (BMI 282) kvinnor (n=22) och män (n=8). Under två på varandra följande 6 veckors perioder fick deltagarna antingen cerealieprodukter med fullkorn eller utan fullkorn. En standardiserad mängd (3 skivor mjukt bröd, 2 skivor hårt bröd, 1 portion musli/gryn och 1 portion pasta/ris) inkluderades dagligen i deras vanliga kost. Perifer insulinkänslighet mättes med euglykemisk hyperinsulinemisk clampteknik. Lipidperoxidationsmarkören 8-iso-PGF2 mättes i urin och inflammationsmarkörerna CRP och IL-6 mättes i plasma. Kostinterventionen monitorerades med hjälp av vägda kostregisteringar och dagboksnoteringar.Kostregistreringarna bekräftade ett högre intag av fiber och flertalet mineralämnen under fullkornsperioden jämfört med icke-fullkornsperioden. Vi fann dock ingen förbättring av insulinkänsligheten och inte heller någon förändring av lipidperoxidation eller inflammationsmarkörer.Att ersätta icke-fullkorns produkter med fullkorn under en 6 veckors period hos vuxna lätt överviktiga friska män och kvinnor gav således ingen mätbar effekt på vare sig insulinkänslighet, lipidperoxidation eller inflammationsmarkörer. Frågan om vilka mekanismerna som ligger bakom de positiva hälsoeffekterna av fullkornsprodukter kvarstår och längre koststudier på deltagare med varierande metaboltstatus behövs.
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  • Andersson, Agneta, et al. (författare)
  • Whole-grain foods do not affect insulin sensitivity or markers of lipid peroxidation and inflammation in healthy, moderately overweight subjects
  • 2007
  • Ingår i: Journal of Nutrition. - 0022-3166 .- 1541-6100. ; 137:6, s. 1401-1407
  • Tidskriftsartikel (refereegranskat)abstract
    • High intakes of whole grain foods are inversely related to the incidence of coronary heart diseases and type 2 diabetes, but the mechanisms remain unclear. Our study aimed to evaluate the effects of a diet rich in whole grains compared with a diet containing the same amount of refined grains on insulin sensitivity and markers of lipid peroxidation and inflammation. In a randomized crossover study, 22 women and 8 men (BMI 28 +/- 2) were given either whole-grain or refined-grain products (3 bread slices, 2 crisp bread slices, 1 portion muesli, and 1 portion pasta) to include in their habitual daily diet for two 6-wk periods. Peripheral insulin sensitivity was determined by euglycemic hyperinsulinemic clamp tests. 8-Iso-prostaglandin F(2alpha) (8-iso PGF(2alpha)), an F(2)-isoprostane, was measured in the urine as a marker of lipid peroxidation, and highly sensitive C-reactive protein and IL-6 were analyzed in plasma as markers of inflammation. Peripheral insulin sensitivity [mg glucose . kg body wt(-1) . min(-1) per unit plasma insulin (mU/L) x 100] did not improve when subjects consumed whole-grain products (6.8 +/- 3.0 at baseline and 6.5 +/- 2.7 after 6 wk) or refined products (6.4 +/- 2.9 and 6.9 +/- 3.2, respectively) and there were no differences between the 2 periods. Whole-grain consumption also did not affect 8-iso-PGF(2alpha) in urine, IL-6 and C-reactive protein in plasma, blood pressure, or serum lipid concentrations. In conclusion, substitution of whole grains (mainly based on milled wheat) for refined-grain products in the habitual daily diet of healthy moderately overweight adults for 6-wk did not affect insulin sensitivity or markers of lipid peroxidation and inflammation.
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22.
  • Andersson, Agneta, et al. (författare)
  • Ökat intag av fullkornsprodukter. Effekter på insulinkänslighet, lipidperoxidation och inflammationsmarkörer?
  • 2006
  • Ingår i: Svenska Läkarsällskapets Riksstämma.
  • Konferensbidrag (populärvet., debatt m.m.)abstract
    • Bakgrund: Flertalet epidemiologiska studier har visat positiva hälsoeffekter av ett högt intag av fullkornsprodukter. Framförallt är en minskad risk för hjärtinfarkt/sjukdom visad, men data talar även för en minskad risk för typ 2 diabetes. Mekanismerna bakom fullkornets positiva effekter är dock fortfarande oklara. Såväl en förbättrad insulinkänslighet som en minskad förekomst av lipidperoxidation och inflammation har föreslagits, vilket vi önskade undersöka i denna studie.Metod: I en randomiserad cross-over design deltog 30 lätt överviktiga (BMI 282) kvinnor (n=22) och män (n=8). Under två på varandra följande 6-veckors perioder fick deltagarna antingen cerealieprodukter med fullkorn eller utan fullkorn. En standardiserad mängd (3 skivor mjukt bröd, 2 skivor hårt bröd, 1 portion musli/gryn och 1 portion pasta/ris) inkluderades dagligen i deras vanliga kost. Perifer insulinkänslighet mättes med euglykemisk hyperinsulinemisk clampteknik. Lipidperoxidationsmarkören 8-iso-PGF2 mättes i urin och inflammationsmarkörerna CRP och IL-6 mättes i plasma. Kostinterventionen monitorerades med hjälp av vägda kostregisteringar och dagboksnoteringar.Resultat: Kostregistreringarna bekräftade ett högre intag av fiber och flertalet mineralämnen under fullkornsperioden jämfört med icke-fullkornsperioden. Vi fann dock ingen förbättring av insulinkänsligheten och inte heller någon förändring av lipidperoxidation eller inflammationsmarkörer.Sammanfattning: Att ersätta icke-fullkorns produkter med fullkorn under en 6-veckors period hos vuxna lätt överviktiga friska män och kvinnor gav ingen mätbar effekt på insulinkänslighet, lipidperoxidation eller inflammationsmarkörer. Frågan om vilka mekanismerna som ligger bakom de positiva hälsoeffekterna av fullkornsprodukter kvarstår och längre koststudier på deltagare med varierande metaboltstatus behövs.
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  • Annuk, Margus, et al. (författare)
  • Urinary calculi and jejunoileal bypass operation : A long-term follow-up
  • 1998
  • Ingår i: Scandinavian Journal of Urology and Nephrology. - 0036-5599 .- 1651-2065. ; 32:3, s. 177-180
  • Tidskriftsartikel (refereegranskat)abstract
    • Medical records of 56 patients who had undergone jejunoileal bypass (JIB) surgery because of morbid obesity were reviewed. The follow-up time varied from 3 to 25 years (average 16 years). Twenty-two of the 56 patients (39.3%) were found to have renal calculi. The interval between the operation and the occurrence or knowledge of the first stone formation ranged from some months to 19 years. The mean weight loss at 5 years was 36.5 kg. Renal function investigations showed no evidence that the jejunoileal bypass operation alters the renal function. The urinary excretion of oxalate was high: 1.112 mumol/24 h (normal range: 55-400 mumol/24 h), and citrate excretion was low: 1.48 mmol/24 h (normal range: 2-5 mmol/24 h). There was no difference in these respects between stone formers and non-stone formers.
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