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Visar resultat 1 - 5 av 44 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Somatostatin Receptor Expression and Biological Functions in Endocrine Pancreatic Cells

    Författare :Eva Ludvigsen; Stellan Sandler; Eva Tiensuu Janson; Mats Stridsberg; Frank Sundler; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Cell biology; somatostatin; somatostatin receptors; somatostatin analogues; NOD mouse; type 1 diabetes; pancreatic islets; BON-1 cells; Cellbiologi; Cell biology; Cellbiologi;

    Sammanfattning : Type 1 diabetes is resulting from the selective destruction of insulin-producing beta-cells within the pancreatic islets. Somatostatin acts as an inhibitor of hormone secretion through specific receptors (sst1-5). LÄS MER

  3. 2. Current Medical Treatment of Endocrine Pancreatic Tumors and Future Aspects

    Författare :Marie-Louise Fjällskog; Morten Vatn; Uppsala universitet; []
    Nyckelord :Medical sciences; pancreatic tumors; somatostatin analogs; cisplatin; etoposide; somatostatin receptors; immunohistochemistry; tyrosine kinase receptors; platelet-derived growth factors receptors PDGFRs ; c-kit; epidermal growth factor receptor EGFR ; MEDICIN OCH VÅRD; alfa-interferon; MEDICINE; MEDICIN; Medicine; medicin;

    Sammanfattning : We treated 16 patients with somatostatin analogs combined with α-interferon and achieved a biochemical and/or radiological response in 56% (median duration 22 months). We consider this treatment a good alternative for patients who fail during chemotherapy or who do not want to/cannot receive cytotoxic drugs. LÄS MER

  4. 3. Theranostics in Neuroendocrine Tumors : Somatostatin Receptor Imaging and Therapy

    Författare :Ezgi Ilan; Mark Lubberink; Peter Bernhardt; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; 177Lu-DOTATATE; 68Ga-DOTATATE; 68Ga-DOTATOC; PRRT; Theranostics; PET CT; SPECT CT; Neuroendocrine tumors; Somatostatin receptors; Medicinsk radiofysik; Medical Radiophysics;

    Sammanfattning : Neuroendocrine tumors (NETs) are characterized by cellular overexpression of somatostatin receptors (SSTR), which allows for the use of radiolabeled somatostatin analogs (SSA) for both imaging and therapy. Because NETs often are diagnosed at a metastatic stage, curative surgery is not possible. LÄS MER

  5. 4. Design, Synthesis, and Evaluation of Functionalized Chroman-4-one and Chromone Derivatives. Somatostatin receptor agonists and Sirt2 inhibitors

    Författare :Maria Fridén-Saxin; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Chroman-4-ones; Chromones; Inhibitors; Molecular Modeling; Peptidomimetic; Samarium; Sirtuin; Sirt2; Somatostatin; Structure-Activity Relationships; Tubulin; β-Turn;

    Sammanfattning : Peptides are involved in many physiological processes such as regulation of blood-pressure, food intake, pain transmission and blood-glucose levels. They consist of amino acids that are connected through amide bonds which make peptides hydrophilic and conformationally flexible. LÄS MER

  7. 5. Physiology and Pathophysiology of Hormone Secretion from lslets of Langerhans

    Författare :Samuel Acreman; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Islet; diabetes; glucagon; insulin; somatostatin; incretin; pancreas; hypoglycaemia; tetraspanin; GLP-1; endoplasmic reticulum;

    Sammanfattning : Diabetes is a metabolic disorder stemming from the improper regulation of blood glucose levels by hormones secreted by pancreatic islets of Langerhans. Paper I describes the mechanism by which glucose can regulate glucagon secretion, independent of membrane potential, from pancreatic α-cells, via modulation of endoplasmic reticulum Ca2+ handling. LÄS MER