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- 4Chan, Catherine B.
- 4Koshkin, Vasilij
- 4Wheeler, Michael B.
- 1Bikopoulos, George
- 1Dai, Feihan F.
- 1Joseph, Jamie W.
Chronic exposure to elevated free fatty acids (lipotoxicity) induces uncoupling protein (UCP2) in the pancreatic β-cell, and therefore a causal link between UCP2 and β-cell defects associated with obesity may exist. Recently, we showed that lipid treatment in vivo and in vitro in UCP2(–/–)...
Limited mitochondrial permeabilization is an early manifestation of palmitate-induced lipotoxicity in pancreatic ß-cellsDownload
Involvement of the mitochondrial permeability transition (MPT) pore in early stages of lipotoxic stress in the pancreatic β-cell lines MIN6 and INS-1 was the focus of this study. Both long term (indirect) and acute (direct) effects of fatty acid (FA) application on β-cell susceptibility to...
Excessive free fatty acid (FFA) exposure represents a potentially important diabetogenic condition that can impair insulin secretion from pancreatic β-cells. Because mitochondrial oxidative phosphorylation is a main link between glucose metabolism and insulin secretion, in the present work we...
The characterization of mitochondrial permeability transition (MPT) in clonal pancreatic beta cells: Multiple modes and regulationDownload
Mitochondrial permeability transition (MPT), which contributes substantially to the regulation of normal mitochondrial metabolism, also plays a crucial role in the initiation of cell death. It is known that MPT is regulated in a tissue-specific manner. The importance of MPT in the pancreatic...