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- Jonasson, Lena, et al.
(författare)
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Low serum ß-carotene reflects immune activation in patients with coronary artery disease
- 2003
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Ingår i: NMCD. Nutrition Metabolism and Cardiovascular Diseases. - 0939-4753 .- 1590-3729. ; 13:3, s. 120-125
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Tidskriftsartikel (refereegranskat)abstract
- Background and Aim: Low serum levels of antioxidant vitamins are associated with coronary artery disease (CAD). An immunomodulatory effect of antioxidants has been proposed. The aim of the study was to investigate whether an increased immune response in CAD patients was associated with suppressed circulating levels of antioxidant vitamins. Methods and Results: Forty-four men with stable angina and angiographically verified CAD were included as well as 69 healthy controls. T cell subsets in peripheral blood were quantified by 3-colour flow cytometry. C-reactive protein (CRP), soluble interleukin-2 receptor (sIL-2R) and the lipophilic antioxidants a-tocopherol, ß-carotene and lycopene were determined in serum. Compared with controls, patients had signs of an enhanced inflammatory activity assessed by significantly increased levels of CRP, sIL-2R and CD4+CD25+T cell subsets. Patients also had significantly lower ß-carotene and lycopene levels whereas a-tocopherol levels did not differ. The increased inflammatory/immune parameters in patients showed a significant inverse relationship to serum ß-carotene but not to lycopene or a-tocopherol. Conclusions: Low serum ß-carotene in CAD patients reflects activation of the immune system. Inflammation should be considered as an important confounding factor when analysing data on ß-carotene and CAD. © 2003, Medikal Press.
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| 3. |
- Ahrén, Bo
(författare)
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The insulin response to gastric glucose is reduced in PAC1 and GRP receptor gene deleted mice.
- 2006
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Ingår i: Nutrition Metabolism and Cardiovascular Diseases. - : Elsevier BV. - 1590-3729 .- 0939-4753. ; 16 Suppl 1, s. 17-21
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Tidskriftsartikel (refereegranskat)abstract
- Background and aims: Islet function is regulated by islet autonomic nerves. These nerves harbour not only the classical neurotransmitters, acetyl choline and noradrenaline, but also neuropeptides. This study examined whether the neuropeptides, pituitary adenylate cyclase activating polypeptide (PACAP) and gastrin releasing polypeptide (GRP) contribute to the regulation of insulin secretion in model experiments by using receptor gene deleted mice. Methods: Anaesthetized mice with genetic deletion of one of the PACAP receptors (PAC1 receptors) or one of the GRP receptors (GRP receptor) or their wildtype counterparts were given glucose through a gastric gavage (1150 mg) or intravenously (0.25, 0.50 or 1 g/kg). Blood samples were taken regularly during the following 120 min (after gastric glucose) or at 1 min (after intravenous glucose) for analysis of glucose and insulin. Results: The insulin response to gastric glucose was suppressed by 66% in PAC1 receptor gene deleted mice in association with impaired glucose elimination, whereas the insulin response to intravenous glucose was impaired by 36% only. The insulin response to glucose was suppressed in GRP receptor gene deleted mice by 24% together with impaired glucose elimination, whereas the insulin response to intravenous glucose was not significantly suppressed. Conclusions: The insulin responses to gastric versus intravenous glucose in receptor gene deleted mice show that PACAP, and to a lesser extent GRP, contributes to the insulin response to gastric administration of glucose. (c) 2005 Elsevier B.V. All rights reserved.
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| 6. |
- Assman, Gerd, et al.
(författare)
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Implications of emerging risk factors for therapeutic intervention
- 2005
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Ingår i: NMCD. Nutrition Metabolism and Cardiovascular Diseases. - : Elsevier BV. - 0939-4753 .- 1590-3729. ; 15:5, s. 373-381
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Tidskriftsartikel (refereegranskat)abstract
- Recently, the National Cholesterol Education Panel (NCEP) of the United States of America commented on the implications of new clinical trials for the Adult Treatment Panel III (ATP III) guidelines [Grundy SM, Cleeman JI, Merz CN, Brewer Jr HB, Clark LT, Hunninghake DB, et al. Implications of recent clinical trials for the National Cholesterol Education Program Adult Treatment Panel III guidelines. Circulation 2004,110:227-39]. In this commentary, new categories of "moderately high" and "very high" coronary risk were proposed with new "therapeutic options" for low-density lipoprotein (LDL) cholesterol of ≤ 100 mg/dL and ≤70 mg/dL respectively. In ATP III, these "moderately high" risk patients had been classified as moderate risk with an LDL treatment goal of ≤130 mg/dL, while the "very high" risk patients had been classified as high risk with a treatment goal of ≤100 mg/dL. Risk classification in the new NCEP publication is based essentially on the combination of the Framingham risk score plus counting of classical risk factors. In the present document, the International Task Force for Prevention of Coronary Heart Disease responds to this NCEP commentary and supports the suggestion of more intensive LDL cholesterol lowering in particular cases. However, the Task Force feels that a classification based on a combination of a risk score plus a count of emerging risk factors is a more logical way to identify such patients requiring lower LDL cholesterol levels than a scheme in which classical risk factors are taken into account twice, once in a count and once in a risk score. © 2005 Elsevier B.V. All rights reserved.
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| 7. |
- Augustin, L S A, et al.
(författare)
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Glycemic index, glycemic load and glycemic response: An International Scientific Consensus Summit from the International Carbohydrate Quality Consortium (ICQC).
- 2015
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Ingår i: Nutrition Metabolism and Cardiovascular Diseases. - : Elsevier BV. - 1590-3729 .- 0939-4753. ; 25:9, s. 795-815
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Tidskriftsartikel (refereegranskat)abstract
- Background and aims: The positive and negative health effects of dietary carbohydrates are of interest to both researchers and consumers. Methods: International experts on carbohydrate research held a scientific summit in Stresa, Italy, in June 2013 to discuss controversies surrounding the utility of the glycemic index (GI), glycemic load (GL) and glycemic response (GR). Results: The outcome was a scientific consensus statement which recognized the importance of postprandial glycemia in overall health, and the GI as a valid and reproducible method of classifying carbohydrate foods for this purpose. There was consensus that diets low in GI and GL were relevant to the prevention and management of diabetes and coronary heart disease, and probably obesity. Moderate to weak associations were observed for selected cancers. The group affirmed that diets low in GI and GL should always be considered in the context of diets otherwise understood as healthy, complementing additional ways of characterizing carbohydrate foods, such as fiber and whole grain content. Diets of low GI and GL were considered particularly important in individuals with insulin resistance. Conclusions: Given the high prevalence of diabetes and pre-diabetes worldwide and the consistency of the scientific evidence reviewed, the expert panel confirmed an urgent need to communicate information on GI and GL to the general public and health professionals, through channels such as national dietary guidelines, food composition tables and food labels.
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