Effect of suramin on human prostate cancer cells in vitro

R. V. La Rocca, R. Danesi, M. R. Cooper, C. A. Jamis-Dow, M. W. Ewing, W. M. Linehan, C. E. Myers

Research output: Contribution to journalArticle

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Abstract

Suramin, a polyanionic compound with known antiparasitic activity, has been shown to be adrenocorticolytic in primates and to have clinical efficacy in the treatment of patients with metastatic prostate cancer refractory to conventional hormonal manipulation. To better characterize the activity of suramin on prostate cancer biology, we studied the effect of the drug on plasma adrenal androgens of patients and on the human prostate adenocarcinoma cell lines PC-3, DU 145 and LNCaP-FGC. Five cancer patients treated with suramin had an approximate 40% decline in circulating androstenedione, dehydroepiandrosterone and dehydroepiandrosterone sulfate levels. The drug inhibited the colony formation in two of the three cell lines at concentrations clinically achievable in humans without excessive drug-related toxicity. The presence of suramin 300 μg./ml. partially inhibited the growth stimulatory effect of testosterone and basic fibroblast growth factor, but not that of epidermal growth factor. The cellular concentration of suramin following exposure to a single dose increases linearly over time in each of the cell lines with LNCaP-FGC accumulating the highest levels of the drug; cellular levels of suramin, not androgen or growth factor sensitivity, correlated with the sensitivity to the drug. The concentrations of prostatic acid phosphatase and prostatic specific antigen released by LNCaP-FGC cells in cell culture medium declined in the presence of increasing levels of suramin in a manner which exceeded the decrease in cell number. We conclude that suramin, aside from decreasing circulating androgens through its adrenocorticolytic effect, is also capable exerting a direct inhibitory effect on cell proliferation of prostate cancer cells, and interfere at a cellular level with the growth stimulatory effects of exogenous testosterone and basic fibroblast growth factor.

Original languageEnglish (US)
Pages (from-to)393-398
Number of pages6
JournalJournal of Urology
Volume145
Issue number2
DOIs
StatePublished - Jan 1 1991

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Suramin
Prostatic Neoplasms
Androgens
Fibroblast Growth Factor 2
Cell Line
Pharmaceutical Preparations
Testosterone
Antiparasitic Agents
Dehydroepiandrosterone Sulfate
Dehydroepiandrosterone
In Vitro Techniques
Androstenedione
Growth
Drug-Related Side Effects and Adverse Reactions
Epidermal Growth Factor
Primates
Culture Media
Prostate
Intercellular Signaling Peptides and Proteins
Adenocarcinoma

All Science Journal Classification (ASJC) codes

  • Urology

Cite this

La Rocca, R. V., Danesi, R., Cooper, M. R., Jamis-Dow, C. A., Ewing, M. W., Linehan, W. M., & Myers, C. E. (1991). Effect of suramin on human prostate cancer cells in vitro. Journal of Urology, 145(2), 393-398. https://doi.org/10.1016/S0022-5347(17)38351-9
La Rocca, R. V. ; Danesi, R. ; Cooper, M. R. ; Jamis-Dow, C. A. ; Ewing, M. W. ; Linehan, W. M. ; Myers, C. E. / Effect of suramin on human prostate cancer cells in vitro. In: Journal of Urology. 1991 ; Vol. 145, No. 2. pp. 393-398.
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La Rocca, RV, Danesi, R, Cooper, MR, Jamis-Dow, CA, Ewing, MW, Linehan, WM & Myers, CE 1991, 'Effect of suramin on human prostate cancer cells in vitro', Journal of Urology, vol. 145, no. 2, pp. 393-398. https://doi.org/10.1016/S0022-5347(17)38351-9

Effect of suramin on human prostate cancer cells in vitro. / La Rocca, R. V.; Danesi, R.; Cooper, M. R.; Jamis-Dow, C. A.; Ewing, M. W.; Linehan, W. M.; Myers, C. E.

In: Journal of Urology, Vol. 145, No. 2, 01.01.1991, p. 393-398.

Research output: Contribution to journalArticle

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AU - La Rocca, R. V.

AU - Danesi, R.

AU - Cooper, M. R.

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La Rocca RV, Danesi R, Cooper MR, Jamis-Dow CA, Ewing MW, Linehan WM et al. Effect of suramin on human prostate cancer cells in vitro. Journal of Urology. 1991 Jan 1;145(2):393-398. https://doi.org/10.1016/S0022-5347(17)38351-9