Cancer Chemotherapy and Pharmacology

, Volume 42, Issue 6, pp 491–496

Jasplakinolide: interaction with radiation and hyperthermia in human prostate carcinoma and Lewis lung carcinoma

  • Hideya Takeuchi
  • Gulshan Ara
  • Edward A. Sausville
  • Beverly Teicher
ORIGINAL ARTICLE

DOI: 10.1007/s002800050850

Cite this article as:
Takeuchi, H., Ara, G., Sausville, E. et al. Cancer Chemother Pharmacol (1998) 42: 491. doi:10.1007/s002800050850

Abstract

Purpose: Jasplakinolide is a novel natural product anticancer agent which acts by inducing over-polymerization of actin. The aim of the current study was to explore the activity of jasplakinolide with hyperthermia and radiation. Methods: The response of human PC-3 and DU-145 prostate carcinoma cells and DU-145 xenografts and the response of the Lewis lung carcinoma to jasplakinolide were studied. Results: Jasplakinolide was cytotoxic toward human prostate carcinoma cells, DU-145, PC-3 and LNCaP in culture, killing 1 log of cells with 0.8, 0.3 and 0.07 \(\)m of drug in 24 h, respectively. The combination of jasplakinolide and hyperthermia resulted in primarily additive cell killing by the two modalities in the three prostate carcinoma lines. In combination with radiation, jasplakinolide produced some diminution in the shoulder of the survival curve of normally oxygenated PC-3 cells and was a radiation sensitizer of hypoxic DU-145 cells and hypoxic PC-3 cells. In vivo, jasplakinolide was an active antitumor agent against the Lewis lung carcinoma and the DU-145 prostate carcinoma xenograft. Jasplakinolide was a radiation sensitizer in the Lewis lung carcinoma. Jasplakinolide was also effective against the systemic Lewis lung carcinoma, decreasing lung metastases. Lung metastases were further decreased when jasplakinolide was administered along with radiation to the subcutaneous primary tumor. In the DU-145 tumor, the effects of jasplakinolide and fractionated radiation for 1 or 2 weeks appeared to be primarily additive. Conclusion: Jasplakinolide is an interesting new anticancer agent for which further study both as an anticancer agent and in combined modality regimens is warranted.

Key words JasplakinolideHyperthermiaRadiation sensitizationProstate cancer

Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • Hideya Takeuchi
    • 1
  • Gulshan Ara
    • 1
  • Edward A. Sausville
    • 2
  • Beverly Teicher
    • 1
  1. 1.Dana-Farber Cancer Institute and Joint Center for Radiation Therapy, 44 Binney St., Boston, MA 02115, USAUS
  2. 2.Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USAUS
  3. 3.Lilly Research Laboratories, Lilly Corporate Center, DC 0540, Indianapolis, IN 46033, USA Tel. +1-317-276-2739; Fax +1-317-277-6285; E-mail TEICHER_BEVERLY_A@Lilly.comIN