Glucose Uptake Measurement and Response to Insulin
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Uptake of LCFAs into adipocytes is predominantly Insulin Resistant Adipocytes Have A Delayed Glucose Uptake Response With Maximum Glucose Uptake Noted In 60mins (* = P<0.05, Ns= Not Statistically Significant). The purpose of this study was to test a hypothesis that T3 promotes glucose uptake via enhancing insulin‐induced Akt phosphorylation and VAMP2 translocation in 3T3‐L1 adipocytes. T3 significantly enhanced insulin‐induced phosphorylation of Akt, cytoplasma to cell membrane translocations of vesicle‐associated membrane protein 2 (VAMP2) and glucose transporter 4 (GLUT4), and glucose gained wide acceptance as critical components in insulin-stimulated glucose uptake, the MAPK pathway does not have an established role in mediating the metabolic effects of insulin in adipocytes. 2014-02-14 · Insulin-induced glucose uptake was completely cancelled by pretreatment of the adipocytes with the insulin receptor inhibitor AG1024; however, AG1024 could not block the effect of CE . Intriguingly, insulin or CE increased the phosphorylation of Akt at its Ser 473, and this increase was significantly blocked by AG1024 . T1 - Role of PDE3B in insulin-induced glucose uptake, GLUT-4 translocation and lipogenesis in primary rat adipocytes.
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In general, well‐functioning adipose tissue secretes adipokines and other molecules with important regulatory effects such as leptin 34, adiponectin 35 and the recently described novel family of lipids, the FAHFAs 36. Furthermore, the data indicate that the cellular content of GLUT4 is the rate‐limiting factor in mediating maximal insulinstimulated glucose uptake in GLUT4(+/–) adipocytes.—Li, J., Houseknecht, K. L., Stenbit, A. E., Katz, E. B., Charron, M. J. Reduced glucose uptake precedes insulin signaling defects in adipocytes from heterozygous GLUT4 knockout mice. I am having problems obtaining insulin stimulated glucose uptake in differentiated 3T3-L1 adipocytes. I have tried several differentiation protocols but I only get a 30% increase in glucose uptake Insulin Causes Fatty Acid Transport Protein Translocation and Enhanced Fatty Acid Uptake in Adipocytes 3B, leading to decreased cAMP levels, which prevent the activation of hormone-sensitive lipase (Holm et al., 2000). How insulin affects the uptake of LCFAs has not been studied extensively. Uptake of LCFAs into adipocytes is predominantly Insulin Resistant Adipocytes Have A Delayed Glucose Uptake Response With Maximum Glucose Uptake Noted In 60mins (* = P<0.05, Ns= Not Statistically Significant). The purpose of this study was to test a hypothesis that T3 promotes glucose uptake via enhancing insulin‐induced Akt phosphorylation and VAMP2 translocation in 3T3‐L1 adipocytes.
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Intriguingly, insulin or CE increased the phosphorylation of Akt at its Ser 473, and this increase was significantly blocked by AG1024 . T1 - Role of PDE3B in insulin-induced glucose uptake, GLUT-4 translocation and lipogenesis in primary rat adipocytes.
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S2A), and the inhibition of AS160 in both cultured 3T3-L1 and primary rat adipocytes (Fig. 2A and Fig. S2A) demonstrates that the AC activity plays a role in dampening glucose uptake. Oleic acid (1 mM) significantly increased insulin (0.1 nM)-stimulated glucose uptake in 3T3-L1-GLUT4myc adipocytes, although oleic acid by itself had no effect on the glucose uptake. Taken together, the results of the present study show that oleic acid enhances insulin receptor signaling through a pathway along an insulin receptor/PI3K/PDK1/ The best insulin pumps are easy to customize to your specific needs, and offer safety features like clocks and alarms. Check out this guide to choosing the best insulin pumps, and explore your options before picking a model.
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and evaluate the molecular response in skeletal muscle and adipose tissue. Fatty acid uptake in key tissues will be determined by functional imaging (PET-MRI). for lean tissue changes, ectopic fat accumulation and insulin resistance.
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We found that treatment with ApoA-IV lowered fasting blood glucose in both WT and diabetic KKAy mice by increasing glucose uptake in cardiac muscle, white adipose tissue, and brown adipose tissue through a mechanism that was partially insulin independent. Insulin-stimulated glucose uptake in skeletal muscle and adipocytes is required for maintaining postprandial blood glucose homeostasis. We measured glucose uptake in response to 10 nM insulin in differentiated 3T3L1 adipocytes treated with HIV Nef. decavanadate were analysed on basal and insulin stimulated glucose uptake in rat adipocytes. Decavanadate (50 microM), manifest a higher increases (6-fold) on glucose uptake compared with basal, followed by BMOV (1 mM) and metavanadate (1 mM) solutions (3-fold) whereas V5 dipic and amavadine had no effect.
Moreover, stimulation of PKA with 5-aminoimidazole-4-carboxamide-ribonucleoside stimulates rather than inhibits glucose uptake in 3T3-L1 adipocytes . Moreover, FasL‐treated 3T3‐L1 adipocytes became insulin resistant, as revealed by decreased insulin‐stimulated glucose uptake and increased basal lipolysis .
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Insulin-stimulated glucose uptake in skeletal muscle, adipose
av R Westergren · 2010 · Citerat av 1 — Ahrén B, Enerback S. Overexpression of Foxf2 in adipose tissue is associated with lower transgenic mice have an impaired insulin-mediated glucose uptake. av B Keselman · 2017 · Citerat av 16 — Results Insulin and cortisol levels were higher, and insulin sensitivity was Insulin induces glucose uptake in fat cells and in muscle cells by Adipocyte glucose uptake and adipogenesis remained unchanged between adipose tissue: a role for estrogen receptor β pathway in insulin resistance? 3. Moreover, SIK isoforms are required for normal insulin signalling and glucose uptake in adipocytes, but the underlying molecular mechanisms are currently not Obesity has a strong correlation with type II diabetes, and adipocytes Both insulin induced glucose uptake as well as glycerol release (lipolysis) was affected av A Pettersson · 2015 · Citerat av 1 — The significance of adipose tissue and obesity has been recognized in an inhibitor of insulin-stimulated glucose uptake in human adipocytes, av J Burén · 2003 · Citerat av 45 — Multiple regression analyses revealed that adipocyte cell size and WHR independently predicted insulin resistance in vitro.
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Without Dex treatment, the cellular glucose uptake was increased significantly in response of insulin stimulation (Fig. S1A). chemerin potentiated insulin-stimulated glucose uptake concom-itant with enhanced insulin signaling in the 3T3-L1 adipocytes. These data establish that chemerin is a novel adipokine that reg-ulates adipocyte function. 2008 FederationofEuropeanBiochemicalSocieties.Published by Elsevier B.V. All rights reserved. Keywords: Adipokine; Chemerin; Insulin signaling; Adipocyte 2011-09-26 · The increase in insulin-stimulated 2-deoxyglucose uptake was significantly higher in CETP-3T3-L1 adipocytes, as compared with the two control groups (3T3-L1 and His-3T3-L1 cells) (p < 0.01). Download : Download full-size image; Fig. 4.