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Clinical Trials About "Role Grb10 mTORC1 dependent regulation insulin signaling action" RSS

22:32 EST 17th January 2020 | BioPortfolio

We list hundreds of Clinical Trials about "Role Grb10 mTORC1 dependent regulation insulin signaling action" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.

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Showing "Role Grb10 mTORC1 dependent regulation insulin signaling action" Clinical Trials 1–25 of 14,000+

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Pupillography as Screening Tool for Brain Insulin Resistance

Cerebral insulin action is important in the regulation of whole body glucose metabolism. However, the cerebral insulin action differs between individuals - there is a so called cerebral insulin resistance. The influence of central insulin action on peripheral metabolism seems at least partially mediated via the autonomous nervous system. A noninvasive method to measure autonomic function is the pupillography. The aim of the study is to find out whether pupillography can be used...


The Effect of the Preoperative Oral Carbohydrate Attenuating Immediate Postoperative Insulin Resistance on PI3K Dependent Signaling Pathway

The purpose of this study is to delineate the effects of preoperative oral carbohydrate on immediate postoperative insulin resistance (PIR) in patients undergoing elective open colorectal cancer resection, and to further clarify the hypotheses that preoperative oral carbohydrate treatment attenuates PIR in patients by enhancing insulin signaling to PI3K-dependent pathway.

KP-10 and Insulin Secretion in Men

Induction of insulin secretion by kisspeptin is observed in mouse, pig, rat, and human islets in vitro and in rats, mice and monkeys in vivo, but its mechanism is not fully clear. The present study was designed to investigate the role of KP-10 on insulin secretion in adult healthy and obese men with insulin resistance. The aim of selection of obese persons for the present study was to investigate the effect of acute KP-10 administration in a metabolically challenged condition w...


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Lipolytic Effects of GH in Human Subjects in Vivo

Growth hormone (GH) induces fat metabolism. The mechanisms underlying the fat metabolizing effects of GH remain elusive. However, it is known that insulin suppresses fat metabolism, and GH inhibits the expression of certain insulin-dependent signaling proteins. We therefore hypothesize that the fat metabolizing effects of GH depend on abrogation of insulin-dependent signaling pathways. In order to investigate the fat metabolizing effects of GH, we'll analyze consecutive ...

Fetuin-A Phosphorylation Status in Insulin Resistance and Metabolic Syndrome

Fetuin-A has been identified as a novel physiological regulator of insulin action in vitro, in intact cells and in vivo in animals. Previous research has shown that circulating levels of fetuin-A were increased in animal models of insulin resistance and diabetes. Additionally, several human investigation studies demonstrate a correlation of fetuin-A levels with body mass index, insulin resistance, and a fatty liver. Recently, the investigators have elucidated the role of fetuin...

Insulin Action: Role of Skeletal Muscle and Insulin-Mediated Blood Flow

The overall objective of this proposal is to examine the contribution of changes in total body fat, enhancement in insulin-mediated vasodilatation and enhancement in endothelium-derived nitric oxide production to the improvements in metabolic insulin action. In addition, the study will track whether these improvements are related to changes in blood pressure.

Evaluate the Role of Adding Amaryl to Non-Insulin Dependent Diabetes Mellitus Patients Unresponsive to Maximum Dose Metformin & Thiazolidinedione

The purpose of this study is to assess the efficacy and safety of Amaryl when added to Metformin and Thiazolidinedione (TZD) in non-insulin dependent diabetes mellitus (NIDDM) patients.

Study of Recombinant Human Insulin-Like Growth Factor I in Patients With Severe Insulin Resistance

OBJECTIVES: I. Determine the efficacy and toxic effects of recombinant human insulin-like growth factor I (rhIGF-I) on carbohydrate tolerance, insulin action, insulin secretion, hyperandrogenism, and hyperlipidemia in patients with severe insulin resistance who have failed other therapies. II. Determine the dose and time response of rhIGF-I on carbohydrate homeostasis and secondary abnormalities in this patient population. III. Determine the effect of rhIGF-I on insulin...

The Effect of an Acute Increase in Plasma IL-6 on Glucose Tolerance When a Meal is Administered Intraduodenally

The aim of the study is to investigate and clarify whether the effect of IL-6 on glucose tolerance and insulin secretion are secondary to the changes in gastric emptying. The literature provides no information regarding a role for interleukin-6 (IL-6) in the regulation of beta cell function (glucose or meal-stimulated insulin secretion) in humans. Previous studies infusing IL-6 into humans have primarily focused on insulin action and the effects on peripheral insulin sensitivi...

Intramyocellular Fatty Acid Trafficking in Insulin Resistance States - Effects of Intestinal Delivery of Lipids

Muscle insulin resistance is a hallmark of upper body obesity (UBO) and Type 2 diabetes (T2DM). It is unknown whether muscle free fatty acid (FFA) availability or intramyocellular fatty acid trafficking is responsible for muscle insulin resistance, although it has been shown that raising FFA with Intralipid can cause muscle insulin resistance within 4 hours. The investigators do not understand to what extent the incorporation of FFA into ceramides or diacylglycerols (DG) affect...

Dietary Fish Protein in Subjects With Insulin Resistance

The objective of our research project is to determine the effects of fish protein, present in fish, on insulin sensitivity in insulin-resistant human individuals, and its mechanism of action on glucose metabolism. Our hypothesis is that fish protein improves insulin sensitivity, glucose tolerance and plasma lipid profile through an improvement in a primary defect in insulin signaling in overweight and insulin-resistant subjects.

FGF19 and the Expression of IRS-1 and GLUT-1 in Gestational Diabetes Mellitus

Insulin resistance plays a key role in the development of gestational diabetes mellitus(GDM). As the largest endocrine organ and the transport intermediary of maternal-fetal nutrient and a large of hormone and enzymes, placenta not only plays an important role in insulin resistance, but also have a profound effect on fetal growth and development. Insulin receptor substrate(IRS)-1, as a key signaling protein, plays vital role in the downstream of insulin receptor signaling path...

Substrate Metabolism, Growth Hormone Signaling (GH), and Insulin Sensitivity During GH and Ketone Bodies Infusion

Background: Humans naturally produce ketone bodies under daily living conditions. The main ketone bodies are two functioning acids, beta-hydroxybutyric acid (3-OHB) and acetoacetate, and the pH-neutral, but odorous, acetone. In the fed state, level of 3-OHB is suppressed to an almost unmeasurable level while, in the fasted state, it rises to 0.1-0.5 millimoles (mM). Main regulation of ketone synthesis is the abundance of sugars and resulting adaptations in insulin secretion. Th...

Xenin-25: Novel Regulator of Insulin Secretion and Beta-cell Function

To define the role of xenin-25 in regulating insulin secretion in humans. Xenin-25 is a gastric hormone that is believed to have a role in the function/action of insulin. This study will attempt to more clearly define the role of Xenin-25.

Effects of Niacin on Intramyocellular Fatty Acid Trafficking in Upper Body Obesity and Type 2 Diabetes Mellitus

Muscle insulin resistance is a hallmark of upper body obesity (UBO) and Type 2 diabetes (T2DM). It is unknown whether muscle free fatty acid (FFA) availability or intramyocellular fatty acid trafficking is responsible for the abnormal response to insulin. Likewise, the investigators do not understand to what extent the incorporation of FFA into ceramides or diacylglycerols (DG) affect insulin signaling and muscle glucose uptake. The investigators will measure muscle FFA storage...

mTORC1 and Autophagy in Human Brown Adipocytes

The long term goal is to identify the potential therapeutic targets for the treatment of obesity and its associated disorders by studying the driving factors of activation of brown adipose tissue (BAT) in human adults. Whereas activation of brown adipose tissue (BAT) in human adults has been considered as a potential therapeutic target to battle obesity since it was identified in 2009, the underlying mechanisms of beige adipocytes appearance in human adults is unclear. The obje...

Clinical Trial of Anti-oxidant Astaxanthin in Insulin-resistant Subjects

Astaxanthin is a natural compound, present in many foodstuffs and available as a nutritional supplement that has been shown to have beneficial effects on many of the features of insulin resistance/glucose intolerance, at least in animals. The goal of this project is to provide a validation of astaxanthin effects on metabolic regulation in humans and their mechanism(s) of action, to determine if astaxanthin could have any value as a "neutraceutical" to help improve regulation of...

Neoadjuvant Run-In Study With TAK-228 (MLN0128) Followed by Letrozole/TAK-228 (MLN0128) in Women With High-Risk ER+/HER2- Breast Cancer

Millennium has developed TAK-228, which is a novel, highly selective, orally bioavailable adenosine 5' triphosphate (ATP)-competitive inhibitor of the serine/threonine kinase referred to as the mechanistic target of rapamycin (mTOR). TAK-228 (formerly INK128) targets 2 distinct multiprotein complexes, mTORC1 and mTORC2. TAK-228 selectively and potently inhibits mTOR kinase (IC50 = 1.1 nM), inhibits mTORC1/2 signaling, and prevents cellular proliferation. The mTOR complex...

Raclopride-PET/MRT

Cerebral insulin resistance plays an important role in the development of obesity and diabetes mellitus type 2. The aim of this project is to examine the effect of human nasal insulin on the dopaminergic system. Therefore, characteristics of cerebral dopamine receptors before and after administration of nasal insulin vs. placebo shall be analyzed in a randomized way. Moreover, the investigators plan to examine the insulin action on cortical and subcortical activation in humans ...

Microvascular Dysfunction and the Development of Whole-body Insulin Resistance

This study aims to elucidate the role of the microcirculation in the development of whole body insulin resistance. The investigators hypothesize that impaired insulin signaling in the vasculature is an early phenomenon in the development of whole body insulin resistance. Furthermore, the investigators aim to identify improvement of microvascular function as a potential target in diabetes prevention and treatment.

FGF-21 and Exercise in Relation to Insulin Secretion

FGF-21 and insulin are key hormones in the regulation of glucose metabolism. Furthermore, both hormones are influenced by physical activity. The following hypothesis will be tested: FGF-21 is regulated insulin-dependent during exercise.

Janumet Re-examination Study

This survey is conducted for preparing application materials for re-examination under the Pharmaceutical Affairs Laws and its Enforcement Regulation, its aim is to reconfirm the clinical usefulness of Janumet through collecting the safety information according to the Re-examination Regulation for New Drugs.

Insulin Resistance and Blood Pressure Regulation in Blacks

To determine the role of insulin resistance in peripheral vascular dynamics, sodium sensitivity, and blood pressure regulation in a young representative Black population and in a group of young Blacks at high risk for hypertension.

The Effect of Bolus Speed of Rapid-Acting Insulin Analog Absorption and Action in Individuals With Type 1 Diabetes

Rapid Action Insulin (RAI) absorption and action measured by time to reach maximum insulin concentration and glucose infusion rate.

Aging and Cellular Mechanism for Insulin Action After Exercise Training

This study will determine whether the metabolic and cellular mechanisms contributing to improved insulin action after aerobic or resistive exercise are different in older, obese, insulin resistant veterans. The hypothesis is that regular exercise, whether aerobic or resistive, will improve whole body insulin action, but the nature and magnitude of changes in skeletal muscle will differ between the two types of exercise.


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