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To determine whether there are any biochemical characteristics which distinguish human adipose cells from human skin fibroblasts, assays of lactate dehydrogenase with pyruvate as substrate (LDH-P), malate dehydrogenase (MDH), and glucose-6-phosphate dehydrogenase (G6PDH) were done on both cell types
BACKGROUND
Glucose-6-phosphate dehydrogenase (G6PD) is the rate-limiting enzyme of the pentose phosphate pathway that provides the majority of NADPH required for lipid biosynthesis. G6PD overexpression has been implicated in insulin resistance, hyperlipidemia, and increased oxidative stress in
In the present study we measured the activity of some cytosolic enzymes involved in intracellular glucose metabolism in mononuclear leukocytes from 77 obese subjects of which 39 were nondiabetic and 38 had newly-diagnosed untreated type II diabetes mellitus. 28 subjects (19 nondiabetic and 18
OBJECTIVE
To explore the roles of glucose-6-phosphate dehydrogenase (G6PD) and its downstream NADPH oxidase (NOX) in obesity induced by high fat diet.
METHODS
40 male Wistar rats were randomly divided into a high fat diet group (30 rats) and a control group (10 rats) fed with rat chow. After six
Responses of the hepatic lipogenic enzymes, glucose-6-phosphate dehydrogenase (G6PDH), 6-phosphogluconate dehydrogenase (6PGDH), and malic enzyme (ME) to starvation refeeding and diet shifting were determined in lean and obese female Zucker rats. Rats were either fed nonpurified diet, starved 48 hr,
We investigated the anti-obesity effects of the adrenal androgen, dehydroepiandrosterone (DHEA), on genetically predisposed obese lethal yellow mice (Ay/Aw). Secondly, we tested the hypothesis that DHEA promotes its anti-obesity effects by decreasing the activity of glucose-6-phosphate dehydrogenase
Glucose-6-phosphate dehydrogenase (G6PD), a rate-limiting enzyme of the pentose phosphate pathway, plays important roles in redox regulation and de novo lipogenesis. It was recently demonstrated that aberrant upregulation of G6PD in obese adipose tissue mediates insulin resistance as a result of
Recent studies have shown that glucose-6-phosphate dehydrogenase (G6PD), the rate-limiting enzyme for the pentose phosphate pathway, was involved in insulin resistance via reduced nicotinamide adenine dinucleotide phosphate, while the roles of pentose were not examined. In the present study, the
Glucose-6-phosphate dehydrogenase (G6PD) produces cellular NADPH, which is required for the biosynthesis of fatty acids and cholesterol. Although G6PD is required for lipogenesis, it is poorly understood whether G6PD in adipocytes is involved in energy homeostasis, such as lipid and glucose
Increased oxidative stress is a known cause of cardiac dysfunction in animals and patients with diabetes, but the sources of reactive oxygen species [e.g., superoxide anion (O(2)(-))] and the mechanisms underlying O(2)(-) production in diabetic hearts are not clearly understood. Our aim was to
Obesity is closely associated with metabolic diseases including type 2 diabetes. One hallmark characteristics of obesity is chronic inflammation that is coordinately controlled by complex signaling networks in adipose tissues. Compelling evidence indicates that reactive oxygen species (ROS) and its
The glucose-6-phosphate-dehydrogenase activity by the fatty tissue in patients with alimentary adiposity was studied. A well-marked fall of the activity by comparison with controls, especially in patients with hyperlipidemia, was revealed. Following treatment of the patients with reduction diets