The role of nicotinamide riboside metabolism in pancreatic beta cells
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The multifactorial mechanisms promoting weight loss and improved metabolism following Roux-en-Y gastric bypass (GB) surgery remain incompletely understood. Recent rodent studies suggest that bile acids can mediate energy homeostasis by activating the G-pro ...
Sirtuins or Sir2 (silent information regulator 2)-related enzymes have originally been defined as a family of nicotinamide adenine dinucleotide-dependent enzymes that deacetylate lysine residue on various proteins. Certain sirtuins have in addition an ADP- ...
Type 1 diabetes can affect hippocampal function triggering cognitive impairment through unknown mechanisms. Caffeine consumption prevents hippocampal degeneration and memory dysfunction upon different insults and is also known to affect peripheral glucose ...
CONTEXT: The type 2 iodothyronine deiodinase (D2) catalyzes the conversion of T(4) to the active form of thyroid hormone, which is a critical regulator of thermogenesis and glucose metabolism. A Thr92Ala polymorphism in the gene encoding D2 (DIO2) has been ...
Diabetes mellitus is a globally growing disease with more than 180 million cases worldwide and no cure exists. In order to minimize the many medical complications, tight glucose monitoring has been shown to be the best alternative. Many diabetics require i ...
Aims/hypothesis Structural and functional imaging of the islets of Langerhans and the insulin-secreting beta cells represents a significant challenge and a long-lasting objective in diabetes research. In vivo microscopy offers a valuable insight into beta ...
AIMS/HYPOTHESIS: We examined a clinical model of ex vivo transdifferentiation of primary adult hepatocytes to insulin-secreting cells for the treatment of type 1 diabetes. MATERIALS AND METHODS: Isolated rat hepatocytes were transduced in primary culture w ...
We evaluated the effects of E2F1 on glucose homeostasis using E2F1(-/-) mice. E2F1(-/-) mice show an overall reduction in pancreatic size as the result of impaired postnatal pancreatic growth. Furthermore, these animals have dysfunctional beta cells, linke ...
Hyperglycemia and diabetes alter the function and metabolism of many tissues. The effect on the brain remains poorly defined, but some animal data suggest that chronic hyperglycemia reduces rates of brain glucose transport and/or metabolism. To address thi ...
Ripglut1;glut2-/- mice have no endogenous glucose transporter type 2 (glut2) gene expression but rescue glucose-regulated insulin secretion. Control of glucagon plasma levels is, however, abnormal, with fed hyperglucagonemia and insensitivity to physiologi ...