Zhongguo zhong xi yi jie he za zhi Zhongguo Zhongxiyi jiehe zazhi = Chinese journal of integrated traditional and Western medicine / Zhongguo Zhong xi yi jie he xue hui, Zhongguo Zhong yi yan jiu yuan zhu ban 2004-Oct

[Effect of Astragalus polysaccharides and berberine on carbohydrate metabolism and cell differentiation in 3T3-L1 adipocytes].

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Shu-hai Wang

Wen-jian Wang

Xue-feng Wang

Weihua Chen

ARTICLE: 15553830

BioSeek: 15553830

Mots clés

polysaccharide

berbérine

carbohydrate

astragale

Abstrait

OBJECTIVE

To compare the effects of Astragalus polysaccharides (AP) and berberine (BB) on the adipocyte's carbohydrate metabolism and cell differentiation, for assessing the possible mechanism of them in improving carbohydrate metabolism.

METHODS

Adipocytes were treated with AP or BE, the 3H-glucose up-take rate in them was investigated, those of differentiation phase were stained by oil red O to analyze the degree of cell differentiation by spectrophotography quantitatively. The adipocyte differentiation related expression of PPARgamma mRNA and C/EBPalpha mRNA were determined by RT-PCR.

RESULTS

The 3H-glucose up-take rate in the AP group and BE group were 109.3% and 182.7% of that in the blank control group respectively. AP obviously promoted the cell differentiation and up-regulated expression of PPARgamma mRNA, while BE suppressed the differentiation and expression of PPARgamma and C/EBPalpha mRNA distinctly, all showing significant difference as compared with that in the blank control (P<0.01).

CONCLUSIONS

AP could promote glucose up-take, cell differentiation and PPARgamma mRNA expression, BB also promote glucose up-take, but suppress the cell differentiation, and inhibit expressions of PPARgamma and C/EBPalpha mRNA in 3T3-L1 adipocytes.