Korean J Urol.
1996 Dec;37(12):1339-1344.
Effect of Transduced Tumor Necrosis Factor-alpha Gene Expression on Growth of Human Bladder Tumor Cell Lines
- Affiliations
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- 1Seoul national University Seoul, Korea.
Abstract
OBJECTIVE
To evaluate the effect of transduced tumor necrosis factor-a(TNF-a) gene expression on growth of human bladder tumor cell lines in vitro.
MATERIALS AND METHODS
The complete cDNA of TNF-a was introduced to three human bladder tumor cell lines(F-24, J-82, HT-1197) using a retroviral vector, a recombinant form of Molony murine leukemia virus with TNF-a and Neo gene and transfected cells were selected by exposure to neomycin analog G418. Gene transfer and expression were confirmed by polymerase chain reaction(PCR) and reverse transcription polymerase chain reaction(RT-PCR)-Southern blotting. Cell growth was measured by MTT assay Result is Successful gene transfer and expression were confirmed in all three cell bladder tumor lines. Growth of transfected cells were compared with parental cell lines and no differences were found in all three cell lines(p>0.05).
CONCLUSION
Expression of transduced TNF-t gene could not show any effect on growth of human bladder tumor cells in vitro.
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