Journal
PHYTOMEDICINE
Volume 10, Issue 2-3, Pages 133-138Publisher
ELSEVIER GMBH
DOI: 10.1078/094471103321659834
Keywords
Screening for antineoplastic activity; Agrobacterium tumefaciens; tumor indiction assay
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The study reported herein utilized the Agrobacterium tumefaciens-induced potato disc tumor assay. The objective was to verify the detection of antineoplastic activity in the potato disc tumor induction assay, regardless of the mode of antineoplastic drug action. Camptothecin, paclitaxel, podophyllin, vinblastine and vincristine were tested, each with a different mode of action. All drugs tested inhibited tumor induction. The order of activity was: camptothecin = paclitaxel = vinblastine < podophyllin = vincristine. No effect on the viability of the bacterium was detected. The A. tumefaciens-induced potato disc tumor assay was an effective indicator of antitumor activity regardless of the mechanism of drug action. Thus, this assay would be acceptable as a primary general screen for antineoplastic activity of various crude extracts, as well as for purified fractions, regardless of mode of inhibitory action on tumor formation.
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