Search for dissertations about: "pancreatic β-cells"
Showing result 21 - 25 of 104 swedish dissertations containing the words pancreatic β-cells.
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21. Characterizing the pancreatic "isletome" : 3D optical imaging to study diabetes
Abstract : The pancreas is a specialised multipurpose organ, that can be separated into two major compartments: endocrine and exocrine. The exocrine part makes up the majority of the organ volume and functions to secrete digestive enzymes into the small intestine. READ MORE
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22. On the Generation of cAMP Oscillations and Regulation of the Ca2+ Store-operated Pathway in Pancreatic Islet α- and β-cells
Abstract : Insulin and glucagon are released in pulses from pancreatic β- and α-cells, respectively. Both cell types are electrically excitable, and elevation of the cytoplasmic Ca2+ concentration ([Ca2+]i) due to depolarization with voltage-dependent entry of the cation is the main trigger of hormone secretion. READ MORE
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23. Innate immunity in diabetes mellitus. Complement components C4BP and C3 promote survival of β cells under metabolic challenges
Abstract : The Complement system is a main effector mechanism of the innate immune system, acting to enhance clearance of pathogens, but also aids removal of biological debris from the body, including immunocomplexes, apoptotic/necrotic cells and protein aggregates. Complement regulators serve to prevent excessive inflammation and their interaction with the same materials targeted by the complement system results in ‘silent’ cleaning of wastes. READ MORE
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24. The beneficial Effects of Neural Crest Stem Cells on Pancreatic β–cells
Abstract : Patients with type-1 diabetes lose their β-cells after autoimmune attack. Islet transplantation is a co-option for curing this disease, but survival of transplanted islets is poor. Thus, methods to enhance β-cell viability and function as well as methods to expand β-cell mass are required. READ MORE
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25. Regulation of glucagon secretion from pancreatic alpha cells
Abstract : Glucagon secreted by pancreatic α-cells plays an important role in the regulation of blood glucose. In this thesis, different techniques such as electrophysiology, immunohistochemistry and hormone secretion assay were combined to explore the mechanisms by which glucagon secretion is regulated. READ MORE