نتایج جستجو برای: pancreatic beta cell
تعداد نتایج: 1870532 فیلتر نتایج به سال:
Diabetes mellitus results from inadequate mass of insulin-producing pancreatic beta cells. Type 1 diabetes is characterized by absolute loss of beta cells due to autoimmune-mediated destruction. Type 2 diabetes is characterized by relative deficiency of beta cells due to lack of compensation for insulin resistance. Restoration of deficient beta cell mass by transplantation from exogenous source...
Although pancreatic exocrine acinar cells have the potential to transdifferentiate into pancreatic endocrine cells, the mechanisms are poorly understood. Here we report that intracellular signaling pathways, including those involving MAPK and phosphatidylinositol 3 (PI3)-kinase, are activated by enzymatic dissociation of pancreatic acinar cells and that spherical cell clusters are formed by cad...
OBJECTIVE RIP-B7.1 mice expressing the costimulator molecule B7.1 (CD80) on pancreatic beta-cells are a well established model to characterize preproinsulin-specific CD8 T-cell responses and experimental autoimmune diabetes (EAD). Different immunization strategies could prime preproinsulin-specific CD8 T-cells in wild-type C57BL/6 (B6) mice, but did not induce diabetes. We tested whether alteri...
Prenatal androgen exposure induces metabolic disorders in female offspring. However, the long-term effect of maternal testosterone excess on glucose metabolism, especially pancreatic beta-cell function, is rarely investigated. Our current study mainly focused effects prenatal metabolism and beta- cell function aged By using mice their offspring as animal models, we found that treatment induced ...
purpose a metabolic abnormality such as obesity is a major obstacle in the maintenance of the human health system and causes various chronic diseases including type 2 diabetes, hypertension, cardiovascular diseases, as well as various cancers. this study was designed to summarize the recent scientific knowledge regarding the anti-obesity role of curcumin (diferuloylmethane), which is isolated f...
Aims/hypothesisType 2 diabetes (T2D) is characterized by a progressive loss of beta-cell function, and the “disappearance” beta-cells in T2D may also be caused process beta -cell dedifferentiation. Since noradrenergic innervation inhibits insulin secretion density fibers increased type mouse models, we aimed to study relation between islet innervation, dedifferentiation function humans.MethodsU...
Insulin resistance and pancreatic beta cell dysfunction are major contributors to the pathogenesis of diabetes. Various conditions play a role in the pathogenesis of pancreatic beta cell dysfunction and are correlated with endoplasmic reticulum (ER) stress. Pancreatic beta cells are susceptible to ER stress. Many studies have shown that increased ER stress induces pancreatic beta cell dysfuncti...
BACKGROUND It is increasingly being realized that failure of pancreatic beta cells to secrete enough insulin to adequately compensate for obesity and insulin resistance is the primary defects of type 2 diabetes mellitus (T2DM). Pancreatic beta cells possess a highly developed and active endoplasmic reticulum (ER), reflecting their role in folding, export and processing of newly synthesized insu...
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