Patients with long-standing type 1 diabetes (T1D) may exhibit defective glucose counterregulation and impaired hypoglycemia symptom recognition that substantially increase their risk for experiencing severe hypoglycemia. The purpose of this study was to determine whether intrahepatic islet transplantation improves endogenous glucose production (EGP) in response to hypoglycemia in T1D patients e...

Mice deficient in adipose triglyceride lipase (ATGL(-/-)) present elevated ectopic lipid levels but are paradoxically glucose-tolerant. Measurement of endogenous glucose production (EGP) and Cori cycle activity provide insights into the maintenance of glycemic control in these animals. These parameters were determined in 7 wild-type (ATGL(+/-)) and 6 ATGL(-/-) mice by a primed-infusion of [U-(1...

Chronic hyperglycemia impairs insulin action, resulting in glucotoxicity, which can be ameliorated in animal models by inducing glucosuria with renal glucose transport inhibitors. Here, we examined whether reduction of plasma glucose with a sodium-glucose cotransporter 2 (SGLT2) inhibitor could improve insulin-mediated tissue glucose disposal in patients with type 2 diabetes. Eighteen diabetic ...

Troglitazone is an antidiabetic agent that improves the ability of adipocytes to store triglycerides by enhancing their insulin sensitivity. Although potent in insulin-resistant states, the effect of troglitazone on lipid and glucose turnover in normal animals has not been assessed. Euglycemic clamps were performed as an insulin dose response in normal mongrel dogs (n = 6). Somatostatin was inf...

The effect of restoration of normoglycemia by a novel sodium-dependent glucose transporter inhibitor (T-1095) on impaired hepatic glucose uptake was examined in 14-week-old Zucker diabetic fatty (ZDF) rats. The nontreated group exhibited persistent endogenous glucose production (EGP) despite marked hyperglycemia. Gluconeogenesis and glucose cycling (GC) were responsible for 46 and 51% of glucos...

The compositions of the major lipids and their constituent fatty acids and fatty aldehydes from cerebral gray matter, white matter, and myelin, spinal cord myelin, and sciatic nerve were determined in a 57 yr old woman who died of Refsum's disease. There were deficiencies of ethanolamine glycerophosphatides (EGP) in gray matter and frontal lobe myelin, and a lipid with the chromatographic prope...

To investigate the role of β-adrenergic mechanisms in the counterregulatory response of the liver and kidney to hypoglycemia, we studied 10 dogs before and after a 2-h constant infusion of insulin (4 mU ⋅ kg-1 ⋅ min-1) either without ( n = 4) or with (8 μg/min, n = 6) propranolol and variable dextrose to maintain hypoglycemia, 7 days after surgical placement of sampling catheters in left renal ...

We study Web sessions clustering in order to find groups of similar sessions and discover user access patterns on a Web site. We extend the general page concept presented in (Fu, Sandhu and Shih 2000) by including partial document names and dynamic pages, and use an extended general page (EGP) to represent many individual page URLs sharing the same EGP. We present two extensions of a hierarchic...

Long-term reduced hypothalamic estrogen signaling leads to increased food intake and decreased locomotor activity and energy expenditure, and ultimately results in obesity and insulin resistance. In the current study, we aimed to determine the acute obesity-independent effects of hypothalamic estrogen signaling on glucose metabolism. We studied endogenous glucose production (EGP) and insulin se...

Fasting hyperglycemia occurs when an excessive rate of endogenous glucose production (EGP) is not accompanied by an adequate compensatory increase in the rate of glucose disappearance (Rd). The situation following food ingestion is more complex as the amount of glucose that reaches the circulation for disposal is a function of the systemic rate of appearance of the ingested glucose (referred to...