keyword
MENU ▼
Read by QxMD icon Read
search

High glucose hepg2

keyword
https://www.readbyqxmd.com/read/29759071/metformin-attenuates-triglyceride-accumulation-in-hepg2-cells-through-decreasing-stearyl-coenzyme-a-desaturase-1-expression
#1
Xiaopeng Zhu, Hongmei Yan, Mingfeng Xia, Xinxia Chang, Xi Xu, Liu Wang, Xiaoyang Sun, Yan Lu, Hua Bian, Xiaoying Li, Xin Gao
BACKGROUND: The prevalence of nonalcoholic fatty liver disease (NAFLD) has increased worldwide. Metformin decreases triglyceride (TG) accumulation in hepatocytes in vivo and in vitro. Stearyl-coenzyme A desaturase 1 (SCD1) knockout mice also show decreased liver TG accumulation; however, whether SCD1 plays a role in the effect of metformin on TG accumulation is unknown. Therefore, the aim of this study was to investigate whether SCD1 mediated the effect of metformin on TG accumulation...
May 14, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29753302/contribution-of-hepatic-retinaldehyde-dehydrogenase-induction-to-impairment-of-glucose-metabolism-by-high-fat-diet-feeding-in-c57bl-6j-mice
#2
Jiong Xu, Mian Zhang, Xiangping Zhang, Hanyu Yang, Binbin Sun, Zhongjian Wang, Yaqian Zhou, Shuting Wang, Xiaodong Liu, Li Liu
Obesity and insulin resistance are associated with overexpression of retinaldehyde dehydrogenase 1 (RALDH1). We aimed to investigate the roles of hepatic RALDH1 induction in glucose metabolism impairment using mice fed with high-fat diet (HFD). Mice were fed with HFD for 8 weeks and treated with RALDH inhibitor citral for another 4 weeks. Oral glucose tolerance test (OGTT), pyruvate tolerance test (PTT) and insulin tolerance test (ITT) were operated. Expressions of Phosphoenolpyruvate carboxykinase 1 (PCK1), glucokinase (GCK) and RALDH1 were measured...
May 12, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29735266/neuraminidase-1-activates-insulin-receptor-and-reverses-insulin-resistance-in-obese-mice
#3
Anne Fougerat, Xuefang Pan, Victoria Smutova, Nikolaus Heveker, Christopher W Cairo, Tarik Issad, Bruno Larrivée, Jeffrey A Medin, Alexey V Pshezhetsky
OBJECTIVES: Neuraminidase 1 (NEU1) cleaves terminal sialic acids of glycoconjugates during lysosomal catabolism. It also modulates the structure and activity of cellular surface receptors affecting diverse pathways. Previously we demonstrated that NEU1 activates the insulin receptor (IR) and that NEU1-deficient CathAS190A-Neo mice (hypomorph of the NEU1 activator protein, cathepsin A/CathA) on a high-fat diet (HFD) develop hyperglycaemia and insulin resistance faster than wild-type animals...
April 21, 2018: Molecular Metabolism
https://www.readbyqxmd.com/read/29731242/therapeutic-effects-of-the-allosteric-protein-tyrosine-phosphatase-1b-inhibitor-ky-226-on-experimental-diabetes-and-obesity-via-enhancements-in-insulin-and-leptin-signaling-in-mice
#4
Yuma Ito, Masaki Fukui, Mamoru Kanda, Ko Morishita, Yoshimichi Shoji, Tatsuya Kitao, Eiichi Hinoi, Hiroaki Shirahase
The anti-diabetic and anti-obesity effects of the allosteric protein tyrosine phosphatase 1B (PTP1B) inhibitor 4-(biphenyl-4-ylmethylsulfanylmethyl)-N-(hexane-1-sulfonyl)benzoylamide (KY-226) were pharmacologically evaluated. KY-226 inhibited human PTP1B activity (IC50  = 0.28 μM), but did not exhibit peroxisome proliferator-activated receptor γ (PPARγ) agonist activity. In rodent preadipocytes (3T3-L1), KY-226 up to 10 μM had no effects on adipocyte differentiation, whereas pioglitazone, a PPARγ agonist, markedly promoted it...
March 6, 2018: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/29727638/additive-effects-of-evogliptin-in-combination-with-pioglitazone-on-fasting-glucose-control-through-direct-and-indirect-hepatic-effects-in-diabetic-mice
#5
Tae-Hyoung Kim, Jeong-Ha Lee, Yu Na Chae, Il-Hoon Jung, Mi-Kyung Kim
Due to very limited preclinical reports, pharmacodynamic interactions between dipeptidyl peptidase 4 (DPP4) inhibitors and peroxisome proliferator-activated receptor γ (PPARγ) agonists are not conclusive yet. This study aimed to evaluate the pharmacological responses from adding evogliptin, a DPP4 inhibitor, to pioglitazone, a PPARγ agonist, in diabetic db/db mice after a 2-week treatment. This combination led to further decrease in both fasting and fed blood glucose levels compared to evogliptin alone (P < 0...
May 1, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29721506/vildagliptin-can-alleviate-endoplasmic-reticulum-stress-in-the-liver-induced-by-a-high-fat-diet
#6
Xiaoqing Ma, Wenhua Du, Shanshan Shao, Chunxiao Yu, Lingyan Zhou, Fei Jing
Purpose. We investigated whether a DDP-4 inhibitor, vildagliptin, alleviated ER stress induced by a high fat diet and improved hepatic lipid deposition. Methods. C57BL/6 mice received standard chow diet (CD), high fat diet (HFD), and HFD administered with vildagliptin (50 mg/Kg) (V-HFD). After administration for 12 weeks, serum alanine aminotransferase, glucose, cholesterol, triglyceride, and insulin levels were analyzed. Samples of liver underwent histological examination and transmission electron microscopy, real-time PCR for gene expression levels, and western blots for protein expression levels...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29709004/mcu-knockdown-attenuates-high-glucose-induced-inflammation-through-regulating-mapks-nf-%C3%AE%C2%BAb-pathways-and-ros-production-in-hepg2-cells
#7
Ghodratollah Panahi, Parvin Pasalar, Mina Zare, Rosario Rizzuto, Reza Meshkani
Mitochondrial Ca2+ is a key regulator of organelle physiology and the excessive increase in mitochondrial calcium is associated with the oxidative stress. In the present study, we investigated the molecular mechanisms linking mitochondrial calcium to inflammatory and coagulative responses in hepatocytes exposed to high glucose (HG) (33mM glucose). Treatment of HepG2 cells with HG for 24 h induced insulin resistance, as demonstrated by an impairment of insulin-stimulated Akt phosphorylation. HepG2 treatment with HG led to an increase in mitochondrial Ca2+ uptake, while cytosolic calcium remained unchanged...
2018: PloS One
https://www.readbyqxmd.com/read/29705631/metabolic-switching-in-the-hypoglycemic-and-antitumor-effects-of-metformin-on-high-glucose-induced-hepg2-cells
#8
Yan Lv, Na Tian, Junsong Wang, Minghua Yang, Lingyi Kong
Metformin, a widely prescribed drug for the management of type 2 diabetes mellitus, has potential anticancer effect. Diabetes patients regularly taking metformin have been reported with decreased cancer risk and improved cancer prognosis in recent years. A cell model of high glucose induced HepG2 cells was conducted to mimic insulin resistance, and a 1 H NMR-based metabolomics approach in conjunction with molecular biology was performed to investigate the metabolic changes of high glucose induced HepG2 cells in response to different doses of metformin treatment and to study the differences and links between hypoglycemic and antitumor effects of metformin...
April 21, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29693104/c-phycocyanin-inhibits-hepatic-gluconeogenesis-and-increases-glycogen-synthesis-via-activating-akt-and-ampk-in-insulin-resistance-hepatocytes
#9
Zhiheng Ren, Zhifei Xie, Danni Cao, Mufeng Gong, Lei Yang, Zhu Zhou, Yu Ou
C-Phycocyanin (C-PC), a kind of blue protein isolated from Spirulina platensis, can ameliorate hyperglycemia, but its effects on gluconeogenesis and glycogenesis are unknown. In the present study, we investigated the effects and underlying mechanisms of C-PC on gluconeogenesis and glycogenesis in insulin resistant hepatocytes. Insulin resistance was induced by high glucose (HG) in human hepatocellular carcinoma (HepG2) cells. C-PC ameliorated glucose production and phosphoenolpyruvate carboxykinase (PEPCK) and glucose-6-phosphatase (G6Pase) expression in HG-induced insulin resistant HepG2 cells...
April 25, 2018: Food & Function
https://www.readbyqxmd.com/read/29655677/an-in-vitro-and-in-vivo-study-of-a-4-herb-formula-on-the-management-of-diet-induced-metabolic-syndrome
#10
Elaine Wat, Yanping Wang, Ken Chan, Hon Wai Law, Chi Man Koon, Kit Man Lau, Ping Chung Leung, Choly Yan, Clara Bik San Lau
BACKGROUND: Metabolic syndrome is the cluster of risk factors that leads to increased episodes of cardiovascular disease (CVD). These risk factors include but are not limited to obesity, non-alcoholic fatty liver (NAFLD), dyslipidemia, and type 2 diabetes. Since the pathogenesis of metabolic syndrome has multiple metabolic origins, there is no single treatment for it. Pharmacological approaches consist of separate drugs which target at individual risk factors which pose various side effects...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29607540/melatonin-improves-insulin-resistance-and-hepatic-steatosis-through-attenuation-of-alpha-2-hs-glycoprotein
#11
Jee-In Heo, Dae Wui Yoon, Ji Hee Yu, Nam Hoon Kim, Hye Jin Yoo, Ji A Seo, Sin Gon Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Nan Hee Kim
Melatonin plays an important role in regulating circadian rhythms. It also acts as a potent antioxidant and regulates glucose and lipid metabolism, although the exact action mechanism is not clear. The α2-HS-glycoprotein gene (AHSG) and its protein, fetuin-A (FETUA), are one of the hepatokines and are known to be associated with insulin resistance and type 2 diabetes. The aim of this study was to determine whether melatonin improves hepatic insulin resistance and hepatic steatosis in a FETUA-dependent manner...
April 1, 2018: Journal of Pineal Research
https://www.readbyqxmd.com/read/29599810/the-aqueous-extract-of-gynura-divaricata-l-dc-improves-glucose-and-lipid-metabolism-and-ameliorates-type-2-diabetes-mellitus
#12
Jinnan Li, Jinlei Feng, Hong Wei, Qunying Liu, Ting Yang, Shengpan Hou, Ying Zhao, Bo Zhang, Cheng Yang
Type 2 diabetes mellitus (T2DM) is a chronic disease characterized by hyperglycemia and dyslipidemia caused by impaired insulin secretion and resistance of the peripheral tissues. A major pathogenesis of T2DM is obesity-associated insulin resistance. Gynura divaricata (L.) DC. (GD) is a natural plant and has been reported to have numerous health-promoting effects on both animals and humans. In this study, we aimed to elucidate the regulatory mechanism of GD improving glucose and lipid metabolism in an obesity animal model induced by high-fat and high-sugar diet in combination with low dose of streptozocin and an insulin-resistant HepG2 cell model induced by dexamethasone...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29570673/protective-effects-of-gomisin-n-against-hepatic-cannabinoid-type-1-receptor-induced-insulin-resistance-and-gluconeogenesis
#13
Arulkumar Nagappan, Dae Young Jung, Ji-Hyun Kim, Myeong Ho Jung
Activation of the hepatic cannabinoid type 1 receptor (CB1R) induces insulin resistance and gluconeogenesis via endoplasmic reticulum (ER) stress, thereby contributing to hyperglycemia. Gomisin N (GN) is a phytochemical derived from Schisandra chinensis . In the current study, we investigated the inhibitory effects of GN on hepatic CB1R-mediated insulin resistance and gluconeogenesis in 2-arachidonoylglycerol (AG; an agonist of CB1R)-treated HepG2 cells and in high-fat diet (HFD)-induced obese mice. Treatment with 2-AG induced the expression of ER stress markers, serine/threonine phosphatase PHLPP1 , Lipin1 , and ceramide synthesis genes, but reduced the expression of ceramide degradation genes in HepG2 cells...
March 23, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29561218/effective-production-of-biologically-active-water-soluble-%C3%AE-1-3-glucan-by-a-coupled-system-of-agrobacterium-sp-and-trichoderma-harzianum
#14
Ying Liang, Li Zhu, Minjie Gao, Jianrong Wu, Xiaobei Zhan
Water-soluble β-1,3-glucan (w-glucan) prepared from curdlan is reported to possess various bioactive and medicinal properties. To develop an efficient and cost-effective microbial fermentation method for the direct production of w-glucan, a coupled fermentation system of Agrobacterium sp. and Trichoderma harzianum (CFS-AT) was established. The effects of Tween-80, glucose flow rate, and the use of a dissolved oxygen (DO) control strategy on w-glucan production were assessed. The addition of 10 g L-1 Tween-80 to the CFS-AT enhanced w-glucan production, presumably by loosening the curdlan ultrastructure and increasing the efficiency of curdlan hydrolysis...
May 28, 2018: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/29552085/nobiletin-inhibits-hepatic-lipogenesis-via-activation-of-amp-activated-protein-kinase
#15
Taewon Yuk, Younghwa Kim, Jinwoo Yang, Jeehye Sung, Heon Sang Jeong, Junsoo Lee
We aimed to investigate the effects of nobiletin on hepatic lipogenesis in high glucose-induced lipid accumulation in HepG2 cells. Nobiletin, a citrus polymethoxyflavonoid with six methoxy groups, is present abundantly in the peels of citrus fruits. HepG2 cells were incubated in Dulbecco's modified Eagle's medium containing high glucose (25 mM) and subsequently treated with nobiletin at different concentrations (5, 25, and 50  μ M). Results showed that nobiletin markedly inhibited high glucose-induced hepatic lipid accumulation in HepG2 cells...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29550812/lack-of-clc-2-alleviates-high-fat-diet-induced-insulin-resistance-and-non-alcoholic-fatty-liver-disease
#16
Dongxia Fu, Haibin Cui, Yunna Zhang
BACKGROUND/AIMS: Non-alcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease. This study aims to investigate whether chloride channel 2 (ClC-2) is involved in high fat diet (HFD)-induced NAFLD and possible molecular mechanisms. METHODS: ClC-2 expression was liver-specifically downregulated using adeno-associated virus in C57BL/6 mice treated with a chow diet or HFD for 12 weeks. Peripheral blood and liver tissues were collected for biochemical and pathological estimation respectively...
2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29540751/mir199a-5p-inhibits-hepatic-insulin-sensitivity-via-suppression-of-atg14-mediated-autophagy
#17
Bo Li, Xiangsong Wu, Hanbei Chen, Chengle Zhuang, Zhiguo Zhang, Shuangshuang Yao, Dongsheng Cai, Guang Ning, Qing Su
MicroRNAs (miRNAs) are known to contribute to many metabolic diseases, including diabetes. In this study, we investigated the role of miR199a-5p in the regulation of hepatic insulin sensitivity. Ad-anti-miR199a-5p adenoviruses were injected into male C57BL/6J WT mice fed a high-fat diet to inhibit miR199a-5p expression before the glucose levels and insulin resistance were assessed. Similarly, Ad-miR199a-5p adenoviruses were injected into male C57BL/6J WT mice to cause the overexpression of miR199a-5p. To investigate the roles of autophagy-related protein 14 (ATG14) and miR199a-5p in the regulation of insulin sensitivity, we injected Ad-miR199a-5p with or without Ad-ATG14 viruses into WT C57BL/6J mice before performing functional assays...
March 14, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29518033/anthocyanin-rich-grape-pomace-extract-vitis-vinifera-l-from-wine-industry-affects-mitochondrial-bioenergetics-and-glucose-metabolism-in-human-hepatocarcinoma-hepg2-cells
#18
Nathalia F F de Sales, Leandro Silva da Costa, Talita I A Carneiro, Daniela A Minuzzo, Felipe L Oliveira, Lourdes M C Cabral, Alexandre G Torres, Tatiana El-Bacha
Cancer cells demand high ATP provisions to support proliferation, and targeting of energy metabolism is a good strategy to increase their sensitivity to treatments. In Brazil, wine manufacture is expanding, increasing the amount of pomace that is produced. We determined the phenolic composition and antioxidant properties of a dark skin Grape Pomace Extract and its effects on metabolism and redox state in human hepatocarcinoma HepG2 cells. The material and the methods used represented the industrial process since pomace derived from white wine production and the extract concentrated by pilot plant scale reverse osmosis...
March 8, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29476879/a-novel-ppar%C3%AE-%C3%AE-agonist-propane-2-sulfonic-acid-octadec-9-enyl-amide-ameliorates-insulin-resistance-and-gluconeogenesis-in-vivo-and-vitro
#19
Tong Ren, Wu-Shuang Yang, Yi Lin, Jin-Feng Liu, Ying Li, Li-Chao Yang, Kai-Yue Zeng, Lu Peng, Yi-Jun Liu, Zhen-Hong Ye, Xiu-Mei Luo, Yu-Jie Ke, Yong Diao, Xin Jin
Peroxisome proliferator-activated receptor alpha/gamma (PPARα/γ) agonists have emerged as important pharmacological agents for improving insulin action. Propane-2-sulfonic acid octadec-9-enyl-amide (N15) is a novel PPARα/γ dual agonist synthesized in our laboratory. The present study investigates the efficacy and safety of N15 on insulin resistance regulation in high fat diet (HFD)-and streptozotocin (STZ)-induced diabetic mice and in palmitic acid (PA)-induced HepG2 cells. Our results showed that N15 remarkably ameliorated insulin resistance and dyslipidemia in vivo, as well as rectified the glucose consumption and gluconeogenesis in vitro...
May 5, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29454024/development-of-an-in-vitro-screening-method-of-acute-cytotoxicity-of-the-pyrrolizidine-alkaloid-lasiocarpine-in-human-and-rodent-hepatic-cell-lines-by-increasing-susceptibility
#20
Kristina Forsch, Verena Schöning, Lucia Disch, Beate Siewert, Matthias Unger, Jürgen Drewe
ETHNOPHARMACOLOGICAL RELEVANCE: Pyrrolizidine alkaloids (PAs) are secondary plant ingredients formed in many plant species to protect against predators. PAs are generally considered acutely hepatotoxic, genotoxic and carcinogenic. Up to now, only few in vitro and in vivo investigations were performed to evaluate their relative toxic potential. AIM OF THE STUDY: The aim was to develop an in vitro screening method of their cytotoxicity. MATERIALS AND METHODS: Human and rodent hepatocyte cell lines (HepG2 and H-4-II-E) were used to assess cytotoxicity of the PA lasiocarpine...
May 10, 2018: Journal of Ethnopharmacology
keyword
keyword
33680
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"