Effects of basic fibroblast growth factor on angiogenin expression and cell proliferation in H7402 human hepatoma cells

Ji Wang; Jianli Yang; Dawei Yuan; Jun Wang; Jia Zhao; Li Wang

doi:10.1016/S1673-8527(08)60129-0

Volume 36 Issue 7

Jul. 2009

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Article Navigation > Journal of Genetics and Genomics > 2009 > 36(7): 399-407

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Effects of basic fibroblast growth factor on angiogenin expression and cell proliferation in H7402 human hepatoma cells

doi: 10.1016/S1673-8527(08)60129-0

Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, China

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Corresponding author: E-mail address: wangli@nenu.edu.cn (Li Wang)
Received Date: 2008-12-21
Accepted Date: 2009-03-24
Rev Recd Date: 2009-03-03

Available Online: 2009-07-23

Publish Date: 2009-07-20

Abstract

Abstract

Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide. Basic fibroblast growth factor (bFGF), which is highly expressed in developing tissues and malignant cells, regulates cell growth, differentiation, and migration. Its expression is essential for the progression and metastasis of HCC. This study aims to investigate the effects of bFGF on the expression of angiogenin, another growth factor, which plays an important role in tumor angiogenesis, and on cell proliferation in H7402 human hepatoma cells. The bFGF sense cDNA or antisense cDNA was stably transfected into H7402 cells. Genomic DNA PCR analysis demonstrated that human bFGF sense cDNA or antisense cDNA was inserted into the genome. Furthermore, the expression of bFGF and angiogenin was examined by RT-PCR and Western blot assays. MTT and colony formation assays were employed to determine cell proliferation. Stable bFGF over-expressing and under-expressing transfectants were successfully established. Expression of angiogenin was decreased in the over-expressing bFGF cells (sense transfectants) and was increased in the under-expressing bFGF cells (antisense transfectants). Cell proliferation increased in the bFGF sense transfectants and decreased in the bFGF antisense transfectants. These results demonstrated that the endogenous bFGF may not only negatively regulate the angiogenin expression but also contribute to the overall cell proliferation in H7402 human hepatoma cells. This study may be helpful in finding a potential therapeutic approach to HCC.
- H7402 human hepatoma cells,
- basic fibroblast growth factor (bFGF),
- angiogenin,
- cell proliferation

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References

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