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Article

Troxerutin Attenuates Enhancement of Hepatic Gluconeogenesis by Inhibiting NOD Activation-Mediated Inflammation in High-Fat Diet-Treated Mice

1
Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu Province, School of Life Science, Jiangsu Normal University, Xuzhou 221116, China
2
Key Laboratory of Biology and Genetic Improvement of Sweetpotato, Ministry of Agriculture, Jiangsu Xuzhou Sweetpotato Research Center, Xuzhou Institute of Agricultural Sciences in Xuhuai Distric, Xuzhou 221131, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editors: Lynnette Ferguson and Virginia R. Parslow
Int. J. Mol. Sci. 2017, 18(1), 31; https://doi.org/10.3390/ijms18010031
Received: 4 November 2016 / Revised: 13 December 2016 / Accepted: 21 December 2016 / Published: 25 December 2016
(This article belongs to the Special Issue Gene-Diet Interactions in Chronic Diseases)
Recent evidence suggests that troxerutin, a trihydroxyethylated derivative of natural bioflavonoid rutin, exhibits beneficial effects on diabetes-related symptoms. Here we investigated the effects of troxerutin on the enhancement of hepatic gluconeogenesis in high-fat diet (HFD)-treated mice and the mechanisms underlying these effects. Mice were divided into four groups: Control group, HFD group, HFD + Troxerutin group, and Troxerutin group. Troxerutin was treated by daily oral administration at doses of 150 mg/kg/day for 20 weeks. Tauroursodeoxycholic acid (TUDCA) was used to inhibit endoplasmic reticulum stress (ER stress). Our results showed that troxerutin effectively improved obesity and related metabolic parameters, and liver injuries in HFD-treated mouse. Furthermore, troxerutin significantly attenuated enhancement of hepatic gluconeogenesis in HFD-fed mouse. Moreover, troxerutin notably suppressed nuclear factor-κB (NF-κB) p65 transcriptional activation and release of inflammatory cytokines in HFD-treated mouse livers. Mechanismly, troxerutin dramatically decreased Nucleotide oligomerization domain (NOD) expression, as well as interaction between NOD1/2 with interacting protein-2 (RIP2), by abating oxidative stress-induced ER stress in HFD-treated mouse livers, which was confirmed by TUDCA treatment. These improvement effects of troxerutin on hepatic glucose disorders might be mediated by its anti-obesity effect. In conclusion, troxerutin markedly diminished HFD-induced enhancement of hepatic gluconeogenesis via its inhibitory effects on ER stress-mediated NOD activation and consequent inflammation, which might be mediated by its anti-obesity effect. View Full-Text
Keywords: troxerutin; hepatic gluconeogenesis; fasting hyperglycemia; endoplasmic reticulum stress; nucleotide oligomerization domain protein; inflammation troxerutin; hepatic gluconeogenesis; fasting hyperglycemia; endoplasmic reticulum stress; nucleotide oligomerization domain protein; inflammation
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MDPI and ACS Style

Zhang, Z.; Wang, X.; Zheng, G.; Shan, Q.; Lu, J.; Fan, S.; Sun, C.; Wu, D.; Zhang, C.; Su, W.; Sui, J.; Zheng, Y. Troxerutin Attenuates Enhancement of Hepatic Gluconeogenesis by Inhibiting NOD Activation-Mediated Inflammation in High-Fat Diet-Treated Mice. Int. J. Mol. Sci. 2017, 18, 31. https://doi.org/10.3390/ijms18010031

AMA Style

Zhang Z, Wang X, Zheng G, Shan Q, Lu J, Fan S, Sun C, Wu D, Zhang C, Su W, Sui J, Zheng Y. Troxerutin Attenuates Enhancement of Hepatic Gluconeogenesis by Inhibiting NOD Activation-Mediated Inflammation in High-Fat Diet-Treated Mice. International Journal of Molecular Sciences. 2017; 18(1):31. https://doi.org/10.3390/ijms18010031

Chicago/Turabian Style

Zhang, Zifeng, Xin Wang, Guihong Zheng, Qun Shan, Jun Lu, Shaohua Fan, Chunhui Sun, Dongmei Wu, Cheng Zhang, Weitong Su, Junwen Sui, and Yuanlin Zheng. 2017. "Troxerutin Attenuates Enhancement of Hepatic Gluconeogenesis by Inhibiting NOD Activation-Mediated Inflammation in High-Fat Diet-Treated Mice" International Journal of Molecular Sciences 18, no. 1: 31. https://doi.org/10.3390/ijms18010031

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