Original article |
|
|
|
|
|
A Triterpenoid Inhibited Hormone-Induced Adipocyte Differentiation and Alleviated Dexamethasone-Induced Insulin Resistance in 3T3-L1 adipocytes |
Ji-Huan Qin1, Jun-Zeng Ma2, Xing-Wei Yang2, Ying-Jie Hu1, Juan Zhou1, Lin-Chun Fu1, Ru-Hua Tian1, Shan Liu1, Gang Xu2, Xiao-Ling Shen1 |
1. Laboratory of Chinese Herbal Drug Discovery, Tropical Medicine Institute, Guangzhou University of Chinese Medicine, Guangzhou 510405, People's Republic of China; 2. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China |
|
|
Abstract 6α-Hydroxylup-20(29)-en-3-on-28-oic acid(1), a natural triterpenoid, was found to possess the ability in a dose-dependent manner inhibiting hormone-induced adipocyte differentiation in 3T3-L1 preadipocytes, and restoring glucose consuming ability in dexamethasone(DXM)-induced insulin resistant 3T3-L1 adipocytes. Compound 1 was also found to ameliorate DXM-induced adipocyte dysfunction in lipolysis and adipokine secretion. Mechanistic studies revealed that 1 inhibited adipocyte differentiation in 3T3-L1 preadipocytes via down-regulating hormone-stimulated gene transcription of peroxisome proliferator-activated receptor γ and CCAAT-enhancer-binding protein alpha which are key factors in lipogenesis, and restored DXM-impaired glucose consuming ability in differentiated 3T3-L1 adipocytes via repairing insulin signaling pathway and activating down-stream signaling transduction by phosphorylation of signaling molecules PI3K/p85, Akt2 and AS160, thus leading to increased translocation of glucose transporter type 4 and transportation of glucose.
|
Keywords
6α-Hydroxylup-20(29)-en-3-on-28-oic acid
3T3-L1
Adipocyte differentiation
Dexamethasoneinduced insulin resistance
Adipocyte dysfunction
PI3K/Akt2 signaling
|
Fund:This work was financially supported by China National Major Projects of Science&Technology(2014ZX10005002; 2009ZX09103-436), the Young Academic Leader Raising Foundation of Yunnan Province(No. 2009CI073), the foundation from Chinese Academy of Sciences to Gang Xu, and the Program for Research Team in South China Chinese Medicine Collaborative Innovation Center of Guangdong, China(A1-AFD01514A07). |
Issue Date: 11 February 2018
|
|
|
1. L. Webber, D. Divajeva, T. Marsh, K. McPherson, M. Brown, G. Galea, J. Breda, BMJ Open 4, e004787 (2014) 2. M.D. DeBoer, Nutrition 29, 379-386 (2013) 3. S. Bhattacharya, D. Dey, S.S. Roy, J. Biosci. 32, 405-413 (2007) 4. M.P. Mattson, Exp. Gerontol. 44, 625-633 (2009) 5. J.J. Cao, J. Orthop. Surg. Res. 6, 30-36 (2011) 6. C.J. Shu, C. Benoist, D. Mathis, Semin. Immunol. 24, 436-442 (2012) 7. B. Antuna-Puente, B. Feve, S. Fellahi, J.P. Bastard, Diabetes Metab. 34, 2-11 (2008) 8. D.E. James, R.C. Piper, J. Cell Biol. 126, 1123-1126 (1994) 9. X. Gao, Y.J. Hu, L.C. Fu, Chin. J. Chin. Mat. Med. 32, 323-326 (2007) 10. J. Wu, W. Peng, R. Qin, H. Zhou, Molecules 19, 1685-1712 (2014) 11. J.Z. Ma, X.W. Yang, J.J. Zhang, X. Liu, L.L. Deng, X.L. Shen, G. Xu, Nat. Prod. Bioprospect. 4, 175-180 (2014) 12. K. Sarjeant, J.M. Stephens, Cold Spring Harb. Perspect. Biol. 4, a008417 (2012) 13. N. Moustaïd, H.S. Sul, J. Biol. Chem. 266, 18550-18554 (1991) 14. H. Sakoda, T. Ogihara, M. Anai, M. Funaki, K. Inukai, H. Katagiri, Y. Fukushima, Y. Onishi, H. Ono, M. Fujishiro, M. Kikuchi, Y. Oka, T. Asano, Diabetes 49, 1700-1708 (2000) 15. J. Burén, H.X. Liu, J. Jensen, J.W. Eriksson, Eur. J. Endocrinol. 146, 419-429 (2002) 16. R. Monteiro, I. Azevedo, Mediat. Inflamm. 2010, 289645 (2010) 17. I. Nieto-Vazquez, S. Fernandez-Veledo, C. de Alvaro, M. Lorenzo, Diabetes 57, 3211-3221 (2008) 18. M. Lorenzo, S. Fernandez-Veledo, R. Vila-Bedmar, L. GarciaGuerra, C. De Alvaro, I. Nieto-Vazquez, J. Anim. Sci. 86, E94-E104 (2008) 19. H. Kwon, J.E. Pessin, Front. Endocrinol. 4, 71 (2013) 20. T. Kadowaki, T. Yamauchi, N. Kubota, K. Hara, K. Ueki, K. Tob, J. Clin. Invest. 116, 1784-1792 (2006) 21. F. Ziemke, C.S. Mantzoros, Am. Clin. Nutr. 91, 258S-261S (2010) 22. A. Stofkova, Endocr. Regul. 43, 157-168 (2009) 23. S. Huang, M.P. Czech, Cell Metab. 5, 237-252 (2007) 24. V.T. Samuel, K.F. Petersen, G.L. Shulman, Lancet 375, 2267-2277 (2010) 25. R.T. Watson, J.E. Pessin, Cell. Signal. 19, 2209-2217 (2007) 26. S.X. Tan, Y. Ng, J.G. Burchfield, G. Ramm, D.G. Lambright, D.E. James, Mol. Cell. Biol. 32, 4946-4959 (2012) 27. J.L. Ramírez-Zacarías, F. Castro-Munozledo, W. Kuri-Harcuch, Histochemistry 97, 493-497 (1992) |
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
Cited |
|
|
|
|
|
Shared |
|
|
|
|
|
Discussed |
|
|
|
|