PubMed Journals Articles About "Consumption High Diet Induces Central Insulin Resistance Independent" RSS

10:38 EDT 18th October 2017 | BioPortfolio

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Showing "Consumption high diet induces central insulin resistance independent" PubMed Articles 1–25 of 46,000+

Predisposition to insulin resistance and obesity due to staple consumption of rice: Amylose content versus germination status.

Type 2 diabetes is a metabolic disorder with established, well-defined precursors. Obesity and insulin resistance are amongst most important factors in predisposition to diabetes. Rice is a staple for about half the global population and its consumption has been strongly linked with diabetogenesis. We assert that tackling the prevalence of predisposing factors by modifying certain rice cultivars could reduce the global burden of obesity and insulin resistance, and by extension type 2 diabetes. Several rice ...

Jaboticaba berry peel intake prevents insulin resistance-induced tau phosphorylation in mice.

The hyperphosphorylation of tau in the hippocampus can be caused by central and peripheral insulin resistance and these alterations are related to the development of tauopathies, such as Alzheimer's disease. In this study, we used a high-fat diet to induce obesity and insulin resistance in adult Swiss mice and checked whether supplementation with Myrciaria jaboticaba berry peel for 10 weeks could improve insulin sensitivity, learning/memory performance and prevent tau phosphorylation in the hippocampus. Fur...

Insulin and diet-induced changes in the ubiquitin-modified proteome of rat liver.

Ubiquitin is a crucial post-translational modification regulating numerous cellular processes, but its role in metabolic disease is not well characterized. In this study, we identified the in vivo ubiquitin-modified proteome in rat liver and determined changes in this ubiquitome under acute insulin stimulation and high-fat and sucrose diet-induced insulin resistance. We identified 1267 ubiquitinated proteins in rat liver across diet and insulin-stimulated conditions, with 882 proteins common to all conditio...

In utero Exposure to Germinated Brown Rice and Its GABA Extract Attenuates High-Fat-Diet-Induced Insulin Resistance in Rat Offspring.

Numerous studies have reported on the influence of diet on insulin resistance. Our study provides insight into the effect of germinated brown rice (GBR) and γ-aminobutyric acid (GABA) on early environment-driven programming and susceptibility to insulin resistance in rat offspring.

The Effect of Liraglutide on Dietary Lipid Induced Insulin Resistance in Humans.

High saturated fatty acid (SFA) diets blunt peripheral insulin action. GLP-1 receptor agonists suppress postprandial lipids and endothelial dysfunction, which may counter SFA-induced insulin resistance. This study tested whether liraglutide suppresses postprandial elevations in lipids and thus protects against high SFA-diet induced insulin resistance.

Impaired Mitochondria and Intracellular Calcium Transients in the Salivary Glands of Obese Rats.

Long-term consumption of a high-fat diet (HFD) causes not only obese-insulin resistance, but is also associated with mitochondrial dysfunction in several organs. However, the effect of obese-insulin resistance on salivary glands has not been investigated. We hypothesized that obese-insulin resistance induced by HFD impaired salivary gland function by reducing salivation, increasing inflammation and fibrosis, as well as impairing mitochondrial function and calcium transient signaling.

The relationship between insulin resistance and periodontitis is not affected by Mediterranean diet in a Spanish population.

To examine the insulin resistance measured by surrogate indices in subjects with and without periodontitis and to find out any correlation among dietary intake with insulin resistance.

Shrimp Oil Extracted from the Shrimp Processing Waste Reduces the Development of Insulin Resistance and Metabolic Phenotypes in Diet-induced Obese Rats.

Diet-induced obesity, insulin resistance, impaired glucose tolerance, chronic inflammation and oxidative stress represent the main features of type 2 diabetes mellitus. The present study was conducted to examine the efficacy and mechanisms of shrimp oil on glucose homeostasis in obese rats. Male CD rats fed a high-fat diet (60 kcal% fat) and 20% fructose-drinking water were divided into four groups and treated with the dietary replacement of 0, 10% (SO10), 15% (SO15), or 20% (SO20) of lard with shrimp oil f...

Diet-induced obesity alters memory consolidation in female rats.

Obesity is a multifactorial disease characterized by the abnormal or excessive fat accumulation, which is caused by an energy imbalance between consumed and expended calories. Obesity leads to an inflammatory response that may result in peripheral and central metabolic changes, including insulin and leptin resistance. Insulin and leptin resistance have been associated with metabolic and cognitive dysfunctions. Obesity and some neurodegenerative diseases that lead to dementia affect mainly women. However, th...

The use of metabolic profiling to identify insulin resistance in veal calves.

Heavy veal calves (4-6 months old) are at risk of developing insulin resistance and disturbed glucose homeostasis. Prolonged insulin resistance could lead to metabolic disorders and impaired growth performance. Recently, we discovered that heavy Holstein-Friesian calves raised on a high-lactose or high-fat diet did not differ in insulin sensitivity, that insulin sensitivity was low and 50% of the calves could be considered insulin resistant. Understanding the patho-physiological mechanisms underlying insuli...

Diabetes reversal by inhibition of the low-molecular-weight tyrosine phosphatase.

Obesity-associated insulin resistance plays a central role in type 2 diabetes. As such, tyrosine phosphatases that dephosphorylate the insulin receptor (IR) are potential therapeutic targets. The low-molecular-weight protein tyrosine phosphatase (LMPTP) is a proposed IR phosphatase, yet its role in insulin signaling in vivo has not been defined. Here we show that global and liver-specific LMPTP deletion protects mice from high-fat diet-induced diabetes without affecting body weight. To examine the role of t...

β-cryptoxanthin ameliorates metabolic risk factors by regulating NF-κB and Nrf2 pathways in insulin resistance induced by high-fat diet in rodents.

The aim of this experiment was to determine the effects of β-cryptoxanthin (BCX) on the cardiometabolic health risk factors and NF-κB and Nrf2 pathway in insulin resistance induced by high-fat diet (HFD) in rodents. Twenty-eight Sprague-Dawley rats were allocated into four groups: (1) Control, rats fed a standard diet for 12 weeks; (2) BCX, rats fed a standard diet and supplemented with BCX (2.5 mg/kg BW) for 12 weeks; (3) HFD, rats fed a HFD for 12 weeks, (4) HFD + BCX, rats fed a HFD and supplemented...

Effects of Lipoic Acid on High-Fat Diet-Induced Alteration of Synaptic Plasticity and Brain Glucose Metabolism: A PET/CT and (13)C-NMR Study.

High-fat diet (HFD)-induced obesity is accompanied by insulin resistance and compromised brain synaptic plasticity through the impairment of insulin-sensitive pathways regulating neuronal survival, learning, and memory. Lipoic acid is known to modulate the redox status of the cell and has insulin mimetic effects. This study was aimed at determining the effects of dietary administration of lipoic acid on a HFD-induced obesity model in terms of (a) insulin signaling, (b) brain glucose uptake and neuronal- and...

A long-lasting dipeptidyl peptidase-4 inhibitor, teneligliptin, as a preventive drug for the development of hepatic steatosis in high-fructose diet-fed ob/ob mice.

Non-alcoholic fatty liver disease (NAFLD) occurs in patients with components of metabolic syndrome such as type 2 diabetes mellitus (T2DM). At present, the central pathophysiological problem in patients afflicted with NAFLD is insulin resistance. In this study, we aimed to determine the effects of a dipeptidyl peptidase-4 (DPP-4) inhibitor, teneligliptin, on the development of NAFLD in ob/ob mice. Five-week-old male ob/ob mice were divided into 4 experimental groups as follows: a group in which they we...

Exercise of obese mice induces cardioprotection and oxygen-sparing in hearts exposed to high fat-load.

Exercise training is a potent, therapeutic approach in obesity and diabetes that exerts protective effects against development of diabetic cardiomyopathy and ischemic-injury. Acute increases in circulating fatty acids (FAs) during an ischemic insult can challenge the heart, as high FA-load is considered to have adverse cardiac effects. In the present study, we tested the hypothesis that exercise-induced cardiac effects in diet-induced obese mice are abrogated by an acute high FA-load. Diet-induced obese mic...

α-Mangostin ameliorates hepatic steatosis and insulin resistance by inhibition C-C chemokine receptor 2.

Obesity induces various metabolic diseases such as dyslipidemia, nonalcoholic fatty liver disease (NAFLD), and type 2 diabetes. Fat expansion in adipose tissue induces adipose tissue dysfunction and inflammation, insulin resistance, and other metabolic syndromes. α-Mangostin (α-MG) has been previously studied for its anti-cancer, anti-inflammatory, and antioxidant activities. In this study, we investigated the effects of α-MG on adipose tissue inflammation and hepatic steatosis. We categorized study anim...

Hypothalamic Ventromedial Lin28a Enhances Glucose Metabolism in Diet-Induced Obesity.

The Lin28a/Let-7 axis has been studied in peripheral tissues for its role in metabolism regulation. However, its central function remains unclear. Here we found that Lin28a is highly expressed in the hypothalamus compared to peripheral tissues. Its expression is positively correlated with positive energy balance, suggesting a potential central role for Lin28a in metabolism regulation. Thus, we targeted the hypothalamic ventromedial nucleus (VMH) to selectively overexpress (Lin28aKI(VMH) ) or downregulate (L...

BITC and S-Carvone Restrain High-Fat Diet-Induced Obesity and Ameliorate Hepatic Steatosis and Insulin Resistance.

To investigate the preventative activity of benzyl isothiocyante and S-carvone against high-fat diet-induced obesity and metabolic complications.

Dietary supplementation with fish oil prevents high fat diet-induced enhancement of sensitivity to the behavioral effects of quinpirole.

Eating a diet high in fat can lead to negative health consequences, including obesity and insulin resistance. Omega-3 polyunsaturated fatty acids (such as those found in fish oil) prevent high fat diet-induced obesity and insulin resistance in rats. Eating a high fat diet also enhances sensitivity of rats to the behavioral effects of drugs that act on dopamine systems (e.g. quinpirole, a dopamine D2/D3 receptor agonist). To test the hypothesis that dietary supplementation with fish oil prevents high fat die...

Loss of Hdac3 in osteoprogenitors increases bone expression of osteoprotegerin, improving systemic insulin sensitivity.

Type 2 diabetes is an emerging global health epidemic. Foundations for new therapies are arising from understanding interactions between body systems. Bone-derived factors that reduce RANKL (receptor activator of NF-kappa B ligand) signaling in the liver may prevent insulin resistance and the onset of type 2 diabetes. Here we demonstrate that deletion of the epigenetic regulator, Hdac3, in Osx1-expressing osteoprogenitors prevents insulin resistance induced by high fat diet by increasing serum and skeletal ...

The Amelioration of Insulin Resistance in Salt Loading Subjects by Potassium Supplementation is Associated with a Reduction in Plasma IL-17A Levels.

Background High dietary salt intake contributes to the development of autoimmune/inflammatory diseases including metabolic syndrome (MetS) which potassium supplementation can potentially reverse. T helper (Th) 17 cells as well as its production interleukin (IL)-17A are involved in the pathogenesis of MetS. The polarization of Th17 cells and enhanced IL-17A production induced by high salt might increase the risk of autoimmune/inflammatory diseases. Methods 45 normotensive subjects (aged 29 to 65 years) were ...

Chronic intestinal electrical stimulation improves glucose intolerance and insulin resistance in diet-induced obesity rats.

Obesity is a contributing factor to insulin resistance and type 2 diabetes. The aim of this study was to study the therapeutic potential of intestinal electrical stimulation (IES) for obesity and associated glucose intolerance and insulin resistance in diet-induced obesity (DIO) rats.

Acute and long-term administration of palmitoylcarnitine induces muscle-specific insulin resistance in mice.

Acylcarnitine accumulation has been linked to perturbations in energy metabolism pathways. In this study, we demonstrate that long-chain (LC) acylcarnitines are active metabolites involved in the regulation of glucose metabolism in vivo. Single-dose administration of palmitoylcarnitine (PC) in fed mice induced marked insulin insensitivity, decreased glucose uptake in muscles, and elevated blood glucose levels. Increase in the content of LC acylcarnitine induced insulin resistance by impairing Akt phosphoryl...

Inhibition of hepatocyte nuclear factor 1b induces hepatic steatosis through DPP4/NOX1-mediated regulation of superoxide.

Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disorder that is closely associated with insulin resistance and type 2 diabetes. Previous studies have suggested that hepatocyte nuclear factor 1b (HNF1b) ameliorates insulin resistance. However, the role of HNF1b in the regulation of lipid metabolism and hepatic steatosis remains poorly understood. We found that HNF1b expression was decreased in steatotic livers. We injected mice with lentivirus (LV) expressing HNF1b shRNA to generat...

Consumption of a Mango Fruit Powder Protects Mice from High-Fat Induced Insulin Resistance and Hepatic Fat Accumulation.

The aim of this study was to gain more insight into the beneficial effects of mango fruit powder on the early metabolic adverse effects of a high-fat diet.

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