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KMID : 0363619990200020088
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Journal of Korean Oriental Medicine
1999 Volume.20 No. 2 p.88 ~ p.97
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Molecular Biological Study of The Effects of Gilgyung-Tang(GGT) on Cellular Proliferation and Viability of Normal Human Lung Fibriblast Cell
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Rhee Hyung-Koo
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Abstract
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To characterize the effects of Gilgyung-Tang(GGT) on cellular proliferation and viability of normal lung fibroblast cells, we examined the cell cycle progression and cell cycle-related gene expression in T3891 using a flow cytometry and a quantitative RT-PCR analysis. 1. The significant surpression effect of cellular proliferations of GGT was observed in proportion to a certain concentration and time. 2. GGT was identified to induce apoptotic death of damaged cells by treatment with a DNA-damage agent and etoposide, while it stimulated the recovery of cellular viability of normal cells. 3 The significant reductions of mRNA expression of PCAN, c-Fos treated by GGT were observed. 4. The significant inductions of mRNA expression of p53, CDKN1. Gadd45 treated by GGT were observed. 5. The apoptosis caused by the reduction of Bcl-2 genes was significant and the Bax genes were increased. but the amount of Fas genes were not changed. These results strongly suggest that GGT triggers arrest of the cell cycle at G1 phase, and thus causes an inhibition of cellular proliferation of human normal lung cells through the transcriptional up-regulation of cell cycle inhibitory genes and down-regulation of induction of cell cycle stimulating genes respectably.
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KEYWORD
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Gilgyung-Tang(GGT), Cellular proliferation, Apoptosis, Genes, p53(gene)
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