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https://www.readbyqxmd.com/read/29159216/data-on-the-decreased-expression-of-foxo1-by-mir-1271-in-hepg2-hepatocytes
#1
Won-Mo Yang, Kyung-Ho Min, Se-Whan Park, Wan Lee
Obesity and metabolic diseases are closely associated with insulin resistance. Obesity-induced miRNAs are also considered to be potential contributors to the development of insulin resistance and type 2 diabetes. Previously, the expression of miR-1271 was reported to be upregulated in the liver of diet-induced obese mice (Yang et al., 2016) [1]. In this data article, multiple in silico analysis predicted FOXO1 gene to be a direct target of miR-1271. Dual luciferase reporter gene analysis showed that miR-1271 suppressed FOXO1 expression by direct binding to 3'UTR...
December 2017: Data in Brief
https://www.readbyqxmd.com/read/29159212/data-on-the-expression-of-pepck-in-hepg2-hepatocytes-transfected-with-mir-195
#2
Won-Mo Yang, Kyung-Ho Min, Se-Whan Park, Wan Lee
Dietary fats rich in saturated fatty acid (SFA) increase the risk of metabolic diseases, and certain microRNAs (miRNAs) dysregulated by SFA are associated with the pathogenesis of insulin resistance and type 2 diabetes. A previous study found that miR-195 is increased by SFA and impairs hepatic insulin signaling through the suppression of INSR (Yang et al., 2014) [1]. This article reports accompanying data to determine the effect of miR-195 on the expression of PEPCK, a key player in hepatic gluconeogenesis...
December 2017: Data in Brief
https://www.readbyqxmd.com/read/29144887/rosiglitazone-is-superior-to-resveratrol-in-inducing-the-expression-of-glyceroneogenic-genes-in-adipose-tissue-from-obese-participants
#3
Marie-Soleil Beaudoin, Nicholas Gaudio, John K Reed, Jules Foute-Nelong, David M Mutch, David C Wright
We compared the effects of resveratrol and rosiglitazone, alone and in combination, on indices of fatty acid re-esterification in cultured adipose tissue from obese participants (n=17) undergoing gastric bypass. Rosiglitazone induced PDK4 and PEPCK gene expression to a greater extent than resveratrol. Co-treatment with both compounds induced PDK4 and PEPCK expression in parallel with reductions in the fatty acid to glycerol ratio. Our findings suggest beneficial effects of resveratrol and rosiglitazone co-treatment...
November 16, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29109794/ginsenoside-rg1-inhibits-glucagon-induced-hepatic-gluconeogenesis-through-akt-foxo1-interaction
#4
Qun Liu, Fei-Ge Zhang, Wen-Song Zhang, An Pan, Yi-Lin Yang, Jin-Feng Liu, Ping Li, Bao-Lin Liu, Lian-Wen Qi
Rationale: Glucagon is involved in hepatic gluconeogenesis, playing a key role in type 2 diabetes. Ginsenosides are reported to have antidiabetic activities. Ginsenoside Rg1 is a major propanaxatriol-type saponin in ginseng. This study aims to investigate the regulatory effects of Rg1 on glucagon-induced hepatic glucose production. Methods: The effects of Rg1 were investigated in high-fat-diet (HFD)-fed mice and glucagon-challenged C57BL/6J mice. Glucose metabolism was evaluated by oral glucose tolerance test and pyruvate tolerance test...
2017: Theranostics
https://www.readbyqxmd.com/read/29107025/association-of-changes-in-er-stress-mediated-signaling-pathway-with-lead-induced-insulin-resistance-and-apoptosis-in-rats-and-their-prevention-by-a-type-dimeric-epigallocatechin-3-gallate
#5
Chan-Min Liu, Jie-Qiong Ma, Jian-Mei Sun, Zhao-Jun Feng, Chao Cheng, Wei Yang, Hong Jiang
A-type dimeric epigallocatechin-3-gallate (A-type-EGCG-dimer, AEd), a new proanthocyanidins dimer from persimmon fruits, has been shown to have health benefit effects. However, A-type-EGCG-dimer affects gluose metabolism in the liver and the underlying mechanism is not clarified. The present study aims to examine the protective effects of A-type-EGCG-dimer on Pb-induced hepatic insulin resistance, endoplasmic reticulum (ER) stress and apoptosis in rats. Male wistar rats exposed to 0.05% w/v Pb acetate in the drinking water with or without A-type-EGCG-dimer coadministration (200 mg/kg body weight/day, intragastrically) for three months...
October 27, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29099085/eburicoic-acid-a-triterpenoid-compound-from-antrodia-camphorata-displays-antidiabetic-and-antihyperlipidemic-effects-in-palmitate-treated-c2c12-myotubes-and-in-high-fat-diet-fed-mice
#6
Cheng-Hsiu Lin, Yueh-Hsiung Kuo, Chun-Ching Shih
This study was designed to investigate the antidiabetic and antihyperlipidemic effects and mechanisms of eburicoic acid (TRR); one component of Antrodia camphorata in vitro and in an animal model for 14 weeks. Expression levels of membrane glucose transporter type 4 (GLUT4); phospho-5'-adenosine monophosphate-activated protein kinase (AMPK)/total AMPK; and phospho-Akt/total-Akt in insulin-resistant C2C12 myotube cells were significantly decreased by palmitate; and such decrease was prevented and restored by TRR at different concentrations...
November 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29077951/in-ovo-feeding-of-l-arginine-alters-energy-metabolism-in-post-hatch-broilers
#7
L L Yu, T Gao, M M Zhao, P A Lv, L Zhang, J L Li, Y Jiang, F Gao, G H Zhou
This study aimed to investigate the effects of in ovo feeding (IOF) of L-arginine (Arg) on energy metabolism in post-hatch broilers. A total of 720 eggs was randomly assigned to 3 treatments: 1) non-injected control group, 2) 0.75% NaCl diluent-injected control group, and 3) 1.0% Arg solution-injected group. At 17.5 d of incubation, 0.6 mL of each solution was injected into the amniotic fluid of each egg of injected groups. After hatching, 80 male chicks were randomly assigned to each treatment group with 8 replicates per group...
October 25, 2017: Poultry Science
https://www.readbyqxmd.com/read/29028535/baicalin-and-its-metabolites-suppresses-gluconeogenesis-through-activation-of-ampk-or-akt-in-insulin-resistant-hepg-2-cells
#8
Tao Wang, Hongmei Jiang, Shijie Cao, Qian Chen, Mingyuan Cui, Zhijie Wang, Dandan Li, Jing Zhou, Tao Wang, Feng Qiu, Ning Kang
Scutellaria baicalensis Georgi (S. baicalensis), as a traditional Chinese herbal medicine, is an important component of several famous Chinese medicinal formulas for treating patients with diabetes mellitus. Baicalin (BG), a main bioactive component of S. baicalensis, has been reported to have antidiabetic effects. However, pharmacokinetic studies have indicated that BG has poor oral bioavailability. Therefore, it is hard to explain the pharmacological effects of BG in vivo. Interestingly, several reports show that BG is extensively metabolized in rats and humans...
December 1, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28986936/in-ovo-feeding-of-creatine-pyruvate-modulates-growth-performance-energy-reserves-and-mrna-expression-levels-of-gluconeogenesis-and-glycogenesis-enzymes-in-liver-of-embryos-and-neonatal-broilers
#9
M M Zhao, D Q Gong, T Gao, L Zhang, J L Li, P A Lv, L L Yu, F Gao, G H Zhou
The effects of in ovo feeding (IOF) of creatine pyruvate (CrPyr) on the growth performance, energy reserves and mRNA expression levels of gluconeogenesis and glycogenesis enzymes in liver of late-term embryos and neonatal broilers were investigated. After candling on 16 day of incubation, a total of 960 eggs were randomly assigned to three treatments: (i) non-injected control, (ii) saline group injected with 0.6 ml of 0.75% physiological saline and (iii) Creatine pyruvate group injected with 0.6 ml of physiological saline containing 12 mg CrPyr/egg...
October 7, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28964523/expression-of-hepatic-genes-related-to-energy-metabolism-during-the-transition-period-of-holstein-and-f1-holstein-gir-cows
#10
J G Laguna, M S Cardoso, J A Lima, R B Reis, A U Carvalho, H M Saturnino, S M R Teixeira
The aim of this study was to investigate the expression of genes encoding enzymes and other factors involved with carbohydrate and lipid metabolism in the liver of 2 genetic groups of dairy cows during the transition period. We analyzed the expression of glucose-6-phosphatase (G6PC), cytosolic phosphoenolpyruvate carboxykinase (PEPCK-C), methylmalonyl-CoA mutase (MUT), β-hydroxybutyrate dehydrogenase-2 (BDH2), acetyl-CoA carboxylase (ACC), carnitine palmitoyltransferase-2 (CPT2), 3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR), glucose transporter-2 (SLC2A2), and the transcription factor peroxisome proliferator-activated receptor α (PPARA)...
September 27, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28962167/effect-of-l-arginine-supplementation-on-the-hepatic-phosphatidylinositol-3-kinase-signaling-pathway-and-gluconeogenic-enzymes-in-early-intrauterine-growth-restricted-rats
#11
Kaiju Luo, Pingyang Chen, Suping Li, Wen Li, Mingfeng He, Tao Wang, Juncao Chen
The present study aimed to investigate the response of the phosphatidylinositol 3-kinase (PI3K) signaling pathway and gluconeogenic enzymes in intrauterine growth-restricted rats to dietary L-arginine (L-Arg) supplementation during the lactation period early in life. Pregnant Sprague-Dawley rats were randomly divided into a control group (CON), an intrauterine growth restriction group (IUGR) and an L-Arg group (LA). The pregnant rats in the CON group were fed a 21% protein diet, and those in the IUGR and LA groups were fed a 10% low protein diet, and all rats were fed a 21% protein diet after delivery...
September 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28958473/expression-of-hypoxia-inducible-factor-1%C3%AE-and-its-correlation-with-phosphoenolpyruvate-carboxykinase-after-portal-vein-ligation-in-rats
#12
Changjun Jia, Hua Yang, Chaoliu Dai, Feng Xu, Songlin Peng, Yang Zhao, Chuang Zhao, Liang Zhao
AIMS: Portal vein ligation (PVL) has been used to effectively increase future liver remnant (FLR) in hepatectomy for treatment of liver cancer. However, the underlying molecular mechanisms have not been well characterized. The present study aimed to determine expression of hypoxia inducible factor-1alpha (HIF-1α) in response to PVL and assess the correlation of HIF-1α and phosphoenolpyruvate carboxykinase (PEPCK). MAIN METHODS: Male Sprague-Dawley rats underwent PVL and were sacrificed at different time points (12, 24, 48, 72, and 168h) after surgery...
December 1, 2017: Life Sciences
https://www.readbyqxmd.com/read/28946872/suppression-of-adipocyte-differentiation-and-lipid-accumulation-by-stearidonic-acid-sda-in-3t3-l1-cells
#13
Yueru Li, Yinghui Rong, Lisui Bao, Ben Nie, Guang Ren, Chen Zheng, Rajesh Amin, Robert D Arnold, Ramesh B Jeganathan, Kevin W Huggins
BACKGROUND: Increased consumption of omega-3 (ω-3) fatty acids found in cold-water fish and fish oil has been reported to protect against obesity. A potential mechanism may be through reduction in adipocyte differentiation. Stearidonic acid (SDA), a plant-based ω-3 fatty acid, has been targeted as a potential surrogate for fish-based fatty acids; however, its role in adipocyte differentiation is unknown. This study was designed to evaluate the effects of SDA on adipocyte differentiation in 3T3-L1 cells...
September 25, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28943765/lactobacillus-acidophilus-ns1-reduces-phosphoenolpyruvate-carboxylase-expression-by-regulating-hnf4%C3%AE-transcriptional-activity
#14
Sung-Soo Park, Garam Yang, Eungseok Kim
Probiotics have been known to reduce high-fat diet (HFD)-induced metabolic diseases, such as obesity, insulin resistance, and type 2 diabetes. We recently observed that Lactobacillus acidophilus NS1 (LNS1), distinctly suppresses increase of blood glucose levels and insulin resistance in HFD-fed mice. In the present study, we demonstrated that oral administration of LNS1 with HFD feeding to mice significantly reduces hepatic expression of phosphoenolpyruvate carboxykinase (PEPCK), a key enzyme in gluconeogenesis which is highly increased by HFD feeding...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28912546/phosphoenolpyruvate-carboxykinase-maintains-glycolysis-driven-growth-in-drosophila-tumors
#15
Rashid Hussain, Zeeshan Shaukat, Mahwish Khan, Robert Saint, Stephen L Gregory
Tumors frequently fail to pass on all their chromosomes correctly during cell division, and this chromosomal instability (CIN) causes irregular aneuploidy and oxidative stress in cancer cells. Our objective was to test knockdowns of metabolic enzymes in Drosophila to find interventions that could exploit the differences between normal and CIN cells to block CIN tumor growth without harming the host animal. We found that depleting by RNAi or feeding the host inhibitors against phosphoenolpyruvate carboxykinase (PEPCK) was able to block the growth of CIN tissue in a brat tumor explant model...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28911865/3-2-amino-ethyl-5-3-4-butoxyl-phenyl-propylidene-thiazolidine-2-4-dione-k145-ameliorated-dexamethasone-induced-hepatic-gluconeogenesis-through-activation-of-akt-foxo1-pathway
#16
Yanan Shi, Jiayun Qiao, Biao Mu, Bingfeng Zuo, Jihong Yuan
3-(2-amino-ethyl)-5-[3-(4-butoxyl-phenyl)-propylidene]-thiazolidine-2,4-dione (K145) is identified as a selective SphK2 inhibitor. It was previously reported as an anti-tumor agent, in this study we demonstrated that K145 was able to regulate hepatic gluconeogenesis and improve glucose intolerance in mice. C57BL/6 mice treated with dexamethasone injection were used as experimental animals, which exhibited impaired glucose tolerance and increased gluconeogenetic enzymes. After K145 treatment, we found that the impairment of glucose tolerance and gluconeogenetic genes mRNA expression were improved...
November 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28900798/phenotypic-plasticity-in-gene-expression-and-physiological-response-in-red-drum-sciaenops-ocellatus-exposed-to-a-long-term-freshwater-environment
#17
Mariel Gullian Klanian, Omar Zapata Pérez, Miguel Angel Vela-Magaña
Red drum (Sciaenops ocellatus) is a euryhaline fish commonly found in the Gulf of Mexico and along the Atlantic coast of North America. Because of high commercial demand and its euryhaline characteristics, aquaculture of this species has diversified from marine to low-salinity aquaculture systems. In recent years, interest in the feasibility of producing red drum in inland freshwater systems has grown and this prompted us to investigate its osmoregulatory capacity after rearing for 8 months in a freshwater aquaculture system...
September 12, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28900165/gcn5l1-modulates-cross-talk-between-mitochondria-and-cell-signaling-to-regulate-foxo1-stability-and-gluconeogenesis
#18
Lingdi Wang, Iain Scott, Lu Zhu, Kaiyuan Wu, Kim Han, Yong Chen, Marjan Gucek, Michael N Sack
The mitochondrial enriched GCN5-like 1 (GCN5L1) protein has been shown to modulate mitochondrial protein acetylation, mitochondrial content and mitochondrial retrograde signaling. Here we show that hepatic GCN5L1 ablation reduces fasting glucose levels and blunts hepatic gluconeogenesis without affecting systemic glucose tolerance. PEPCK and G6Pase transcript levels are downregulated in hepatocytes from GCN5L1 liver specific knockout mice and their upstream regulator, FoxO1 protein levels are decreased via proteasome-dependent degradation and via reactive oxygen species mediated ERK-1/2 phosphorylation...
September 12, 2017: Nature Communications
https://www.readbyqxmd.com/read/28893177/integrated-application-of-transcriptomics-and-metabolomics-provides-insights-into-glycogen-content-regulation-in-the-pacific-oyster-crassostrea-gigas
#19
Busu Li, Kai Song, Jie Meng, Li Li, Guofan Zhang
BACKGROUND: The Pacific oyster Crassostrea gigas is an important marine fishery resource, which contains high levels of glycogen that contributes to the flavor and the quality of the oyster. However, little is known about the molecular and chemical mechanisms underlying glycogen content differences in Pacific oysters. Using a homogeneous cultured Pacific oyster family, we explored these regulatory networks at the level of the metabolome and the transcriptome. RESULTS: Oysters with the highest and lowest natural glycogen content were selected for differential transcriptome and metabolome analysis...
September 11, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28888537/a-gtp-dependent-phosphoenolpyruvate-carboxykinase-from-crassostrea-gigas-involved-in-immune-recognition
#20
Zhao Lv, Limei Qiu, Weilin Wang, Zhaoqun Liu, Zhuang Xue, Zichao Yu, Xiaorui Song, Hao Chen, Lingling Wang, Linsheng Song
Phosphoenolpyruvate carboxykinase (PEPCK) is well known as a key enzyme involved in the metabolic pathway of gluconeogenesis in organisms, but the information about its involvement in immune response is still very limited. In the present study, a novel PEPCK homolog named CgPEPCK was identified from oyster Crassostrea gigas. The deduced amino acid sequence of CgPEPCK shared 52%-74% similarities with those from other known PEPCKs. There were one conserved guanosine triphosphate (GTP) binding site, one substrate binding site, one metal binding site and one active site in CgPEPCK...
September 6, 2017: Developmental and Comparative Immunology
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