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Abstract Title:

[The inhibition of 20(R)-ginsenoside Rg3 on the expressions of angiogenesis factors proteins in human lung adenocarcinoma cell line A549 and HUVEC304 cell].

Abstract Source:

Zhongguo Zhong Yao Za Zhi. 2005 Mar ;30(5):357-60. PMID: 15806969

Abstract Author(s):

Ming-wei Chen, Lei Ni, Xiao-ge Zhao, Xiao-ying Niu

Article Affiliation:

Ming-wei Chen

Abstract:

OBJECTIVE: To study the effect of 20( R)-ginsenoside Rg3 on the expressions of angiogenesis factors proteins (VEGF,bFGF, MMP-2) in human lung adenocarcinoma cell line A549 and HUVEC304 cell.

METHOD: The cell lines of A549 and HUVEC304 were cultured with 20(R)- Rg3. The gray scale and positive rate of VEGF, bFGF, MMP-2 were detected by immunohistochemistry. The differential expressions of genes were studied by DNA microarray.

RESULT: The positive rate of VEGF protein in A549 cell decreased significantly as compared with the control group ( P = 0.03). The gray scales of VEGF, Flt, KDT proteins in both A549 cell lines and HUVEC 304 cell lines decreased ( P = 0.05). Gray scale of MMP-2 also decreased in A549 cell lines. The result of differential expressions of genes of A549 cell lines showed that 14 genes were down-regulated and 10 genes were up-regulated.

CONCLUSION: The Chinese materia medica of 20( R)-Rg3 can inhibit the expression of angiogenesis factors proteins via several target genes in both tumour cell and vascular endothelial cell.

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