Search Results - "Bergsten, P."

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  1. 1

    Basal hypersecretion of glucagon and insulin from palmitate-exposed human islets depends on FFAR1 but not decreased somatostatin secretion by Kristinsson, H., Sargsyan, E., Manell, H., Smith, D. M., Göpel, S. O., Bergsten, P.

    Published in Scientific reports (05-07-2017)
    “…In obesity fasting levels of both glucagon and insulin are elevated. In these subjects fasting levels of the free fatty acid palmitate are raised. We have…”
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    Functional differences between aggregated and dispersed insulin-producing cells by Chowdhury, A., Dyachok, O., Tengholm, A., Sandler, S., Bergsten, P.

    Published in Diabetologia (01-07-2013)
    “…Aims/hypothesis Beta cells situated in the islet of Langerhans respond more vigorously to glucose than do dissociated beta cells. Mechanisms for this…”
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  3. 3

    Islet protein profiling by Bergsten, P

    Published in Diabetes, obesity & metabolism (01-11-2009)
    “…Islet protein profiling is defined as generation of extended protein expression data sets from islets or islet cells. Islets from rodent control and animal…”
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    Glucose-induced changes of multiple mouse islet proteins analysed by two-dimensional gel electrophoresis and mass spectrometry by AHMED, M, BERGSTEN, P

    Published in Diabetologia (01-03-2005)
    “…The aim of this study was to investigate molecular mechanisms of glucose-induced changes in islets of Langerhans by analysing global changes in protein…”
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  6. 6

    Observers for Takagi-Sugeno fuzzy systems by Bergsten, P., Palm, R., Driankov, D.

    “…We focus on the analysis and design of two different sliding mode observers for dynamic Takagi-Sugeno (TS) fuzzy systems. A nonlinear system of this class is…”
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  7. 7

    Slow and fast oscillations of cytoplasmic Ca2+ in pancreatic islets correspond to pulsatile insulin release by Bergsten, P

    Published in The American journal of physiology (01-02-1995)
    “…Cytoplasmic Ca2+ concentration ([Ca2+]i) and insulin secretion were monitored in single ob/ob mouse pancreatic islets stimulated by glucose. After culture in…”
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  8. 8

    Synchronous oscillations of cytoplasmic Ca2+ and insulin release in glucose-stimulated pancreatic islets by BERGSTEN, P, GRAPENGIESSER, E, GYLFE, E, TENGHOLM, A, HELLMAN, B

    Published in The Journal of biological chemistry (25-03-1994)
    “…The cytoplasmic Ca2+ concentration ([Ca2+]i) was measured in single pancreatic mouse islets superfused in a system allowing concomitant recordings of insulin…”
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  9. 9

    Glucose-induced amplitude regulation of pulsatile insulin secretion from individual pancreatic islets by Bergsten, P., Hellman, B.

    Published in Diabetes (New York, N.Y.) (01-05-1993)
    “…Glucose-induced amplitude regulation of pulsatile insulin secretion from individual pancreatic islets. P Bergsten and B Hellman Department of Medical Cell…”
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  10. 10

    Glucose-induced de novo synthesis of fatty acyls causes proportional increases in INS-1E cellular lipids by Nyblom, H. K., Nord, L. I., Andersson, R., Kenne, L., Bergsten, P.

    Published in NMR in biomedicine (01-05-2008)
    “…Raised concentrations of glucose for extended periods of time have detrimental effects on the insulin‐producing β‐cell. As de novo synthesis of lipids has been…”
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    Oscillations in oxygen tension and insulin release of individual pancreatic ob/ob mouse islets by ORTSÄTER, H, LISS, P, LUND, P. E, AKERMAN, K. E. O, BERGSTEN, P

    Published in Diabetologia (01-10-2000)
    “…The role of beta-cell metabolism for generation of oscillatory insulin release was investigated by simultaneous measurements of oxygen tension (pO2) and…”
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  12. 12

    Ascorbic Acid Transport and Distribution in Human B Lymphocytes by Bergsten, P., Yu, R., Kehrl, J., Levine, M.

    Published in Archives of biochemistry and biophysics (20-02-1995)
    “…Ascorbic acid (vitamin C) transport was investigated inhuman B lymphocytes. The vitamin was transported by two components. The first was a high-affinity…”
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  13. 13

    Glucose induces oscillatory Ca2+ signalling and insulin release in human pancreatic beta cells by Hellman, B, Gylfe, E, Bergsten, P, Grapengiesser, E, Lund, P E, Berts, A, Tengholm, A, Pipeleers, D G, Ling, Z

    Published in Diabetologia (01-09-1994)
    “…Mechanisms of pulsatile insulin release in man were explored by studying the induction of oscillatory Ca2+ signals in individual beta cells and islets isolated…”
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  14. 14

    Millimolar concentrations of ascorbic acid in purified human mononuclear leukocytes. Depletion and reaccumulation by BERGSTEN, P, AMITAI, G, KEHRL, J, DHARIWAL, K. R, KLEIN, H. G, LEVINE, M

    Published in The Journal of biological chemistry (15-02-1990)
    “…Ascorbic acid (vitamin C) was found in isolated human mononuclear leukocytes and their purified components in millimolar concentration. Intracellular ascorbic…”
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    The human-based multisensor fusion method for artificial nose and tongue sensor data by Wide, P., Winquist, F., Bergsten, P., Petriu, E.M.

    “…Presently, an increased interest is apparent for the development of integrated human-like smell and taste sensing capabilities, e.g. for chemical, paper pulp,…”
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    Glucose-induced cycles of insulin release can be resolved into distinct periods of secretory activity by Bergsten, P, Hellman, B

    “…The periodic behaviour of glucose-stimulated insulin release was studied using islets isolated from ob/ob-mice and rats. A single islet was perifused at a rate…”
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    Ascorbic acid accumulation and transport in human fibroblasts by WELCH, R. W, BERGSTEN, P, DEB BUTLER, J, LEVINE, M

    Published in Biochemical journal (01-09-1993)
    “…As the initial step in the use of fibroblasts as a model system for 'in situ kinetics', ascorbic acid (vitamin C) accumulation in normal human fibroblasts was…”
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    Oleate increase neutral lipid accumulation, cellular respiration and rescues palmitate-exposed GLP-1 secreting cells by reducing ceramide-induced ROS by Ntika, Stelia, Thombare, Ketan, Aryapoor, Masood, Kristinsson, Hjalti, Bergsten, Peter, Krizhanovskii, Camilla

    Published in Biochimie (01-04-2019)
    “…Fatty acids (FAs), and especially monounsaturated FAs (MUFAs) stimulate GLP-1 release. However, lipotoxicity is indicated in GLP-1 secreting cells following…”
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    High DPP-4 Concentrations in Adolescents Are Associated With Low Intact GLP-1 by Stenlid, Rasmus, Manell, Hannes, Halldin, Maria, Kullberg, Joel, Ahlström, Håkan, Manukyan, Levon, Weghuber, Daniel, Paulmichl, Katharina, Zsoldos, Fanni, Bergsten, Peter, Forslund, Anders

    “…Abstract Context Dipeptidyl peptidase 4 (DPP-4) metabolizes glucagon-like peptide-1 (GLP-1), and increased DPP4 levels are associated with obesity and visceral…”
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