نتایج جستجو برای: INS-1 cells
تعداد نتایج: 3783999 فیلتر نتایج به سال:
Objective(s):The purpose of this study was to investigate the effects of Noggin on high glucose-induced apoptosis and insulin secretion in pancreatic beta cells. Materials and Methods: Different concentrations of glucose were used to examine their effects on INS-1 rat beta cells in vitro. When specific siRNA targeting Noggin and recombinant Noggin were added, apoptosis and insulin secretion wer...
results apoptosis induced by pa in ins-1 cells was significantly resolved after liraglutide treatment. simultaneously, autophagy was enhanced with the treatment of pa and liraglutide. conclusions: liraglutide appears to protect ins-1 cells from apoptosis ffa-induced by promoting autophagy. conclusions these findings provide a novel role for glp-1 analogue in preventing or treating with t2d. obj...
Objective(s): JiangTangXiaoKe (JTXK) granule, a Chinese traditional herbal formula, has been clinically used and demonstrated to be beneficial in controlling high glucose and to relieve the symptoms of Type 2 diabetes mellitus patients for decades. In this study, we explored how loganin, one of the components in JTXK granule, mediated the anti-diabetic effect.Materials and Methods: We generate...
Background: The purpose of this study was to examine the impact of Insulin (INS) on human sperm function, in light of a recent proteomic analysis indicating that these cells express the INS receptor (INSR). Materials and Methods: We used Western blot and Immunocytochemical analyses. Results: Immunocytochemical analyses confirmed the presence of INSR in human spermatozoa and localized this recep...
Objective of this study was to characterize osmotically-induced insulin secretion in two tumor cell lines. We compared response of freshly isolated rat pancreatic islets and INS-1 and INS-1E tumor cell lines to high glucose, 30 % hypotonic medium and 20 % hypertonic medium. In Ca(2+)-containing medium glucose induced insulin release in all three cell types. Hypotonicity induced insulin secretio...
The vast majority of long-term complications in transplanted patients are associated with cardiovascular disease. Previously, an alternative and dominant mechanism for cyanate formation in atherosclerotic lesions has been discovered. This study was designed to determine the effect of cyanate on insulin secretion in cultured pancreatic β cells (INS-1 cells). The cytotoxicity of cyanate was deter...
Group VIB Phospholipase A(2) (iPLA(2)γ) is distributed in membranous organelles in which β-oxidation occurs, that is, mitochondria and peroxisomes, and is expressed by insulin-secreting pancreatic islet β-cells and INS-1 insulinoma cells, which can be injured by inflammatory cytokines, for example, IL-1β and IFN-γ, and by oxidants, for example, streptozotocin (STZ) or t-butyl-hydroperoxide (TBH...
Sphingosine-1 phosphate (S1P) is a bioactive sphingolipid with the potential to mobilize Ca2+, to inhibit apoptosis, and to promote mitogenesis. Sphingosine kinase (SPHK) and S1P were characterized in INS-1 insulinoma cells and isolated rat islets of Langerhans. SPHK activity increased in INS-1 cell homogenates treated with interleukin-1beta (IL-1beta) or tumor necrosis factor-alpha (TNF-alpha)...
Glucocorticoid excess induces apoptosis of islet cells, which may result in diabetes. In this study, we investigated the protective effect of ghrelin on dexamethasone-induced INS-1 cell apoptosis. Our data showed that ghrelin (0.1 μM) inhibited dexamethasone-induced (0.1 μM) apoptosis of INS-1 cells and facilitated cell proliferation. Moreover, ghrelin upregulated Bcl-2 expression, downregulate...
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