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Effect of fatty acid methyl esters from plastrum
testudinis on proliferation of rat bone mesenchymal stem cells |
ZHANG Yuehua1, ZENG Heping2, CHEN Dongfeng3 |
1.Department of Biological and Environmental Engineering, Guangzhou City Polytechnic; 2.Institute of the Functional Molecule, Department of Chemistry, South China University of Technology; 3.Guangzhou University of Traditional Chinese Medicine |
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Abstract The ointment of plastrum testudinis was extracted using petroleum ether, ether and dichloromethane sequentially and the extracts were methyl-esterified. The effects on the proliferation of bone marrow mesenchymal stem cells (bMMSCs) were examined by MTT[3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide] assay and flow cytometry analysis. The volatile components of the samples were studied by gas chromatography-mass spectrometry (GC-MS) and high performance liquid chromatography (HPLC). The results show that the methyl-esterified parts can promote the proliferation of stem cells and they all contain palmitic acid methyl ester. Palmitic acid methyl ester can promote proliferation when the concentration was 0.15 ?g/?L. It may be concluded that the palmitic acid methyl ester is important for the methyl-esterified parts that have effects on proliferation.
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Issue Date: 05 September 2008
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