Sökning: "phosphodiesterase 3B"

Visar resultat 1 - 5 av 10 avhandlingar innehållade orden phosphodiesterase 3B.

  1. 1. Cyclic Nucleotide Phosphodiesterase 3B: Regulation in rat adipocytes and 3T3-L1 cells

    Författare :Tova Landström; Institutionen för experimentell medicinsk vetenskap; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; 3T3-L1 TNF-alpha; adipocyte; insulin; p70S6 kinase; mitogen-activated protein kinase; protein kinase B; phosphatidylinositol-3 kinase; phosphodiesterase 3B; cAMP; lipolysis; phosphorylation; signal transduction; Biochemistry; Metabolism; Biokemi; metabolism;

    Sammanfattning : Insulin stimulation of rat adipocytes results in phosphorylation and activation of the cyclic nucleotide phosphodiesterase 3B (PDE3B), a key enzyme in the antilipolytic signalling pathway of this hormone. In this thesis, the site phosphorylated in PDE3B upon stimulation of rat adipocytes with insulin and/or the beta-adrenergic agonist, isoproterenol is identified. LÄS MER

  3. 2. Hormonal regulation of phosphodiesterase 3B in adipocytes

    Författare :Rebecka Lindh; Signaltransduktionsforskning; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; secreting systems; diabetology; Endokrinologi; Endocrinology; caveolae localization ; phosphorylation interactions ; PDE3B adipocyte adipose tissue diabetes cAMP insulin ; lipolysis caveolin-1 ; sekretion; diabetologi;

    Sammanfattning : Insulin induced activation of the cAMP degrading enzyme phosphodiesterase (PDE) 3B in adipocytes is important for insulin mediated inhibition of lipolysis. The aim of this thesis was to contribute with knowledge on the acute activation of PDE3B in response to insulin and catecholamines in adipocytes. LÄS MER

  4. 3. The role of phosphodiesterase 3B in energy metabolism

    Författare :Emilia Zmuda-Trzebiatowska; Signaltransduktionsforskning; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; diabetology; secreting systems; Endocrinology; Physiology; Fysiologi; Medicin människa och djur ; glucose uptake; lipogenesis; adipocyte; Medicine human and vertebrates ; cAMP; PDE3B; insulin; Endokrinologi; sekretion; diabetologi;

    Sammanfattning : Energy metabolism at the level of any particular tissue is tightly regulated by hormones, neurotransmitters and cytokines in order to maintain overall energy homeostasis. Any dysfunctions in energy metabolism may lead to more or less severe consequences, with obesity and type 2 diabetes being the most prevalent ones. LÄS MER

  5. 4. Adipocyte phosphatases and the antilipolytic action of insulin

    Författare :Svante Resjö; Signaltransduktionsforskning; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; protein phosphorylation; protein purification; adipose tissue; PP2A; protein phosphatase; PDE3B; phosphodiesterase 3B; Insulin signalling; antilipolysis; Klinisk biologi; Clinical biology; PKB; protein kinase B;

    Sammanfattning : Adipose tissue is the main site of energy storage of the body and an important endocrine organ. Knowledge of the regulation of fat metabolism and the endocrine factors secreted by the adipocyte is crucial for the understanding of diseases such as obesity and diabetes. Insulin is the main antilipolytic hormone. LÄS MER

  7. 5. The Role of Phosphodiesterase 3B in the Regulation of Insulin Secretion

    Författare :Linda Härndahl; Institutionen för experimentell medicinsk vetenskap; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; diabetology; Endokrinologi; sekretion; diabetologi; secreting systems; Endocrinology; beta-cell; diabetes; islet; PDE3B; cAMP;

    Sammanfattning : Pancreatic beta-cell dysfunction and insulin resistance are the two hallmarks of type 2 diabetes. An early sign of beta-cell dysfunction is impaired nutrient-induced insulin release. Several insulin secretagogues act by increasing the formation of intracellular cAMP. LÄS MER