Journal article
Antitumor efficacy of the novel chemotherapeutic agent coramsine is potentiated by cotreatment with CpG-containing oligodeoxynucleotides
Journal of Immunotherapy, Vol.29(2), pp.134-142
2006
Abstract
Coramsine is a novel chemotherapeutic agent isolated from Solanum linnaeanum (devil's apple). Topical treatment provides clinical benefit for skin tumors. To evaluate the potential broader applicability of the drug, its in vivo anticancer efficacy in a murine model of malignant mesothelioma and its mode of action were investigated. Systemic administration of coramsine slowed tumor growth and prolonged survival time. Importantly, the antitumor efficacy of coramsine was enhanced when treatment was combined with stimulation of innate immunity using unmethylated CpG-containing oligodeoxynucleotides (ODNs). Combination treatment further slowed tumor growth and provided a survival benefit. Coramsine seems to kill tumor cells by direct cell lysis. Using 2 different assays to detect apoptosis (caspase activation and DNA fragmentation), we found no evidence that coramsine induces any form of programmed cell death. The fact that the efficacy of coramsine is potentiated by CpG ODNs suggests that coramsine-induced cell death is an immunologic null event.
Details
- Title
- Antitumor efficacy of the novel chemotherapeutic agent coramsine is potentiated by cotreatment with CpG-containing oligodeoxynucleotides
- Authors/Creators
- R.G. van der Most (Author/Creator)R. Himbeck (Author/Creator)S. Aarons (Author/Creator)S.J. Carter (Author/Creator)I. Larma (Author/Creator)C. Robinson (Author/Creator)A. Currie (Author/Creator)R.A. Lake (Author/Creator)
- Publication Details
- Journal of Immunotherapy, Vol.29(2), pp.134-142
- Publisher
- Lippincott Williams and Wilkins
- Identifiers
- 991005542274207891
- Copyright
- © 2006 by Lippincott Williams & Wilkins.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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