Size-controlled insulin-secreting cell clusters [PDF]
The search for an effective cure for type I diabetes from the transplantation of encapsulated pancreatic β-cell clusters has so far produced sub-optimal clinical outcomes. Previous efforts have not controlled the size of transplanted clusters, a parameter implicated in affecting long-term viability and the secretion of therapeutically sufficient ...
Adam D, Mendelsohn +3 more
openaire +2 more sources
ABCA12 regulates insulin secretion from β‐cells [PDF]
Dysregulation of lipid homeostasis is intimately associated with defects in insulin secretion, a key feature of type 2 diabetes. Here, we explore the role of the putative lipid transporter ABCA12 in regulating insulin secretion from β-cells. Mice with β-cell-specific deletion of Abca12 display impaired glucose-stimulated insulin secretion and eventual ...
Gloria M Ursino +18 more
openaire +3 more sources
Impaired Ca(2+) signaling in β-cells lacking leptin receptors by Cre-loxP recombination. [PDF]
Obesity is a major risk factor for diabetes and is typically associated with hyperleptinemia and a state of leptin resistance. The impact of chronically elevated leptin levels on the function of insulin-secreting β-cells has not been elucidated.
Eva Tudurí +5 more
doaj +1 more source
Vectorial insulin secretion by pancreatic β‐cells [PDF]
Morphological studies of pancreatic β‐cells have suggested the presence of discrete sensory and secretory domains. In the present study we now provide functional evidence by demonstrating polarity of insulin release by HIT‐T15 cells. A significant diffusion barrier across a twin chamber culture system was verified in the presence of confluent HIT‐T15 ...
Cortizo, Ana María +2 more
openaire +4 more sources
Insulin receptor signaling and glucagon-like peptide 1 effects on pancreatic beta cells. [PDF]
Glucagon-like peptide-1 (GLP-1) is a potent gluco-incretin hormone, which plays a central role on pancreatic beta cell proliferation, survival and insulin secreting activity and whose analogs are used for treating hyperglycemia in type 2 diabetes ...
Nunzia Caporarello +3 more
doaj +1 more source
Bioactivity of Flavonoids on Insulin‐Secreting Cells [PDF]
ABSTRACT: Flavonoids are usually found in fruits and other plant organs and therefore widely consumed. They are antioxidants, anti‐inflammatory, anticarcinogenic, and protective against coronary disease and metabolic disorders.
Pinent, Montserrat +5 more
openaire +3 more sources
Protein kinase C delta (PKCδ) affects proliferation of insulin-secreting cells by promoting nuclear extrusion of the cell cycle inhibitor p21Cip1/WAF1. [PDF]
BACKGROUND:High fat diet-induced hyperglycemia and palmitate-stimulated apoptosis was prevented by specific inhibition of protein kinase C delta (PKCδ) in β-cells.
Felicia Ranta +11 more
doaj +1 more source
Rediscovering Primary Cilia in Pancreatic Islets [PDF]
Primary cilia are microtubule-based sensory and signaling organelles on the surfaces of most eukaryotic cells. Despite their early description by microscopy studies, islet cilia had not been examined in the functional context until recent decades.
Eun Young Lee, Jing W. Hughes
doaj +1 more source
Overcoming the Limitations of Stem Cell-Derived Beta Cells
Great advances in type 1 diabetes (T1D) and type 2 diabetes (T2D) treatment have been made to this day. However, modern diabetes therapy based on insulin injections and cadaveric islets transplantation has many disadvantages.
Mariana V. Karimova +2 more
doaj +1 more source
Genetic obesity increases pancreatic expression of mitochondrial proteins which regulate cholesterol efflux in BRIN-BD11 insulinoma cells [PDF]
Pancreatic β-cells are sensitive to fluctuations in cholesterol content, which can damage the insulin secretion pathway, contributing to the aetiology of type 2 diabetes mellitus.
Caridis, Anna Maria +4 more
core +1 more source

