American journal of surgery · 2006
Pentosan polysulfate (Elmiron): in vitro effects on prostate cancer cells regarding cell growth and vascular endothelial growth factor production.
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Zaslau Stanley, Sparks Scott, Riggs Dale, Jackson Barbara, Kandzari Stanley J
Аннотация
BACKGROUND: Elmiron (ALZA Corp, Mountain View, CA) is the only Food and Drug Administration-approved oral therapy for interstitial cystitis. We hypothesized that Elmiron would affect the growth of prostate cancer in vitro.
METHODS: Prostate cancer cell lines (LnCaP, PC3, and DU145) were treated with Elmiron. Cell viability was measured by MTT (3-4, 5-dimethylthiazol-2-yl-2,5-diphenyltetrazolium bromide), whereas vascular endothelial growth factor (VEGF) was measured by a commercial enzyme-linked immunosorbent assay.
RESULTS: Inhibition of cell growth was observed in all cell lines tested. LnCaP exhibited a mean inhibition of 12% +/- 7% at 24 hours (P = .025) and 20% +/- 15% at 72 hours (P < .001). PC3 exhibited a mean inhibition of 26% +/- 13% at 24 hours (P < .001) and 44% +/- 5% at 72 hours (P < .001). DU145 exhibited a mean inhibition of 9% +/- 6% at 24 hours (P < .015) and 30% +/- 5% at 72 hours (P < .001). PC3 cells exhibited a significant reduction in VEGF levels (P < .001).
CONCLUSIONS: The reductions in cell growth and VEGF indicate that Elmiron may act as an antiangiogenic agent and may have application in the treatment of prostate cancer.
METHODS: Prostate cancer cell lines (LnCaP, PC3, and DU145) were treated with Elmiron. Cell viability was measured by MTT (3-4, 5-dimethylthiazol-2-yl-2,5-diphenyltetrazolium bromide), whereas vascular endothelial growth factor (VEGF) was measured by a commercial enzyme-linked immunosorbent assay.
RESULTS: Inhibition of cell growth was observed in all cell lines tested. LnCaP exhibited a mean inhibition of 12% +/- 7% at 24 hours (P = .025) and 20% +/- 15% at 72 hours (P < .001). PC3 exhibited a mean inhibition of 26% +/- 13% at 24 hours (P < .001) and 44% +/- 5% at 72 hours (P < .001). DU145 exhibited a mean inhibition of 9% +/- 6% at 24 hours (P < .015) and 30% +/- 5% at 72 hours (P < .001). PC3 cells exhibited a significant reduction in VEGF levels (P < .001).
CONCLUSIONS: The reductions in cell growth and VEGF indicate that Elmiron may act as an antiangiogenic agent and may have application in the treatment of prostate cancer.