Inhibitory activity of Phellodendri cortex extracts on differentiation of 3T3-L1 preadipocytes

Duk Kwon Choi; Tae Seok Oh; Jong Won Yun

Korean Journal of Chemical Engineering, Vol.28, No.5, 1260-1265, May, 2011

DOI10.1007/s11814-010-0505-z Export Citation

Inhibitory activity of Phellodendri cortex extracts on differentiation of 3T3-L1 preadipocytes

Duk Kwon Choi, Tae Seok Oh, and Jong Won Yun^†

Department of Biotechnology, Daegu University, Gyungsan, Gyungbuk 712-714, Korea

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The purpose of the present study was to investigate the inhibitory effect of beberine-rich fraction of Phellodendri cortex extract (PC) on adipogenesis in 3T3-L1 cells. PC effectively prevented TG accumulation in differentiation of 3T3-L1 preadipocytes in a dose-dependent manner. Compared to controls, PC at a concentration of 75 μg/mL significantly decreased lipid droplets by 79.5%. Beberine exhibited similar inhibitory effect to that of PC extract, suggesting that fractionated PC extract contained mostly berberine. The expression levels of PAARγ and C/EBPα were significantly reduced by PC treatment. This result consequently led to suppression of expression of LPL, FABP4, CD36, and SCD2, which are target genes of PPARγ and C/EBPα. PC also inhibited protein levels of PPARγ, FABP4, and GLUT4. Accordingly, these results suggest that PC inhibited adipogenesis in 3T3-L1 preadipocyte cells through PPARγ and CEBPα-related pathways at both transcript and protein levels.

Keywords:Phellodendri cortex;Berberine;C/EBPα;PPARγ;3T3-L1 Preadipoctye

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[2] Berger JP, Akiyama TE, Meinke PT, Trends Pharmacol Sci., 26, 244 (2005)

[3] Berggren JR, Hulver MW, Houmard JA, J. Appl. Physiol., 99, 757 (2005)

[4] Chinetti-Gbaguidi G, Fruchart JC, Staels B, Curr. Opin. Pharmacol., 5, 177 (2005)

[5] Chinetti-Gbaguidi G, Fruchart JC, Staels B, Biomarkers., 10, S30 (2005)

[6] Choi BH, Ahn IS, Kim YH, Park JW, Lee SY, Hyun CK, Do MS, Exp. Mol. Med., 38, 599 (2006)

[7] Choi SS, Cha BY, Lee YS, Yonezawa T, Teruya T, Nagai K, Woo JT, Life Sci., 84, 908 (2009)

[8] Cornelius P, MacDougald OA, Lane MD, Annu. Rev. Nutr., 14, 99 (1994)

[9] Ejaz A, Wu D, Kwan P, Meydani M, J. Nutr., 139, 919 (2009)

[10] Evans RM, Barish GD, Wang YX, Nat. Med., 10, 355 (2004)

[11] Green H, Meuth M, Cell., 3, 127 (1974)

[12] Gregoire FM, Smas CM, Sul HS, Phys. Rev., 78, 783 (1998)

[13] Hasegawa N, Phytother. Res., 15, 172 (2001)

[14] Hu Y, Davies GE, Phytomedicine., 16, 864 (2009)

[15] Janke J, Engeli S, Gorzelniak K, Luft FC, Sharma AM, Obes. Res., 10, 1 (2002)

[16] Jeon T, Hwang SG, Hirai S, Matsui T, Yano H, Kawada T, Lim BO, Park DK, Life Sci., 75, 3195 (2004)

[17] Kahn BB, Cell., 92, 593 (1998)

[18] Kawada T, Takahashi N, Fushiki T, J. Nutr. Sci. Vitaminol., 47, 1 (2001)

[19] Kim HJ, Kong MK, Kim YC, BMB Rep., 41, 710 (2008)

[20] Lee YS, Kim WS, Kim KH, Yoon MJ, Cho HJ, Shen Y, Ye JM, Lee CH, Oh WK, Kim CT, Hohnen-Behrens C, Gosby A, Kraegen EW, James DE, Kim JB, Diabetes., 55, 2256 (2006)

[21] Liu W, Liu P, Tao S, Deng Y, Li X, Lan T, Zhang X, Guo F, Huang W, Chen F, Huang H, Zhou SF, Arch. Biochem. Biophys., 475, 128 (2008)

[22] Liu W, Tang F, Deng Y, Li X, Lan T, Zhang X, Huang H, Liu P, Mol. Cell Biochem., 325, 99 (2009)

[23] Maeda H, Hosokawa M, Sashima T, Takahashi N, Kawada T, Miyashita K, Int. J. Mol. Med., 18, 147 (2006)

[24] Maeda K, Cao H, Kono K, Gorgun CZ, Furuhashi M, Uysal KT, Cao Q, Atsumi G, Malone H, Krishnan B, Minokoshi Y, Kahn BB, Parker RA, Hotamisligil GS, Cell Metab., 1, 107 (2005)

[25] Mendes V, Monteiro R, Pestana D, Teixeira D, Calhau C, Azevedo I, J. Agric. Food Chem., 56, 11631 (2008)

[26] Moller DE, Nature., 414, 821 (2001)

[27] Mori H, Fuchigami M, Inoue N, Nagai H, Koda A, Nishioka I, Planta Med., 60, 445 (1994)

[28] Mori H, Fuchigami M, Inoue N, Nagai H, Koda A, Nishioka I, Meguro K, Planta Med., 61, 45 (1995)

[29] Pakala R, Kuchulakanti P, Rha SW, Cheneau E, Baffour R, Waksman R, Cardiovasc. Radiat. Med., 5, 97 (2004)

[30] Park JI, Shim JK, Do JW, Kim SY, Seo EK, Kwon HJ, Lee TK, Kim JK, Choi DY, Kim CH, Glycoconj J., 16, 247 (1999)

[31] Sharma AM, Int. J. Obes. Relat. Metab. Disord., 26, S5 (2002)

[32] Shimada T, Hiramatsu N, Kasai A, Mukai M, Okamura M, Yao J, Huang T, Tamai M, Takahashi S, Nakamura T, Kitamura M, Am. J. Phys. Endocrinol. Metab., 295, E859 (2008)

[33] Staels B, Fruchart JC, Diabetes., 54, 2460 (2005)

[34] Wu Z, Xie Y, Bucher NL, Farmer SR, Genes Dev., 9, 2350 (1995)