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Peptide P7 specifically binds with basic fibroblast growth factor (bFGF) to inhibit the proliferation and invasion of numerous types of cancer cell. However, this effect has remained to be demonstrated in ovarian cancer-derived cell lines. In the present study, the protein P7 was used treat bFGF-stimulated SKOV3 epithelial ovarian cancer cells to explore the therapeutic potential of P7. An MTT and a scratch wound assay were used to respectively evaluate the proliferation and migration of bFGF-stimulated SKOV3 cells treated with P7. Reverse transcription-quantitative polymerase chain reaction analysis was used to detect the gene expression of urokinase-type plasminogen activator (uPA), as well as matrix metallopeptidase (MMP)-2 and -9, which have a role in cell migration/invasion. The morphology and proliferation of SKOV3 cells were not significantly affected by different concentrations of P7. However, P7 had an obvious inhibitory effect on the proliferation and migration of bFGF-stimulated SKOV3 cells. Treatment with P7 significantly lowered the gene expression of uPA, MMP-2 and MMP-9 compared with that in the control group. In conclusion, the present results suggested that P7, which, at least in part, acts through inhibition of bFGF, may have a potential therapeutic application in epithelial ovarian cancer.

Peptide P7 inhibits the bFGF‑stimulated proliferation and invasion of SKOV3 cells