Suzuki T, Ezure T, Ishida M. Synergistic effects of some pairs of antioxidants and related agents on mouse leukaemia L5178Y cell growth in-vitro.
J Pharm Pharmacol 1998;
50:1173-7. [PMID:
9821666 DOI:
10.1111/j.2042-7158.1998.tb03330.x]
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Abstract
The effects of simultaneous administration of some dyadic combinations of antioxidants or vitamins and related agents on cellular proliferation of mouse leukaemia L5178Y cells in-vitro have been examined experimentally. The data were analysed on the basis of the concept of independence for evaluation of interactions between biologically active agents. An approach for evaluation of the synergism or antagonism of the action of two agents is proposed in which the types and extents of interactions are described by response-surface diagrams. The combinations phytol with trans-retinol, abscisic acid with trans-retinol, and menadione with sodium L-ascorbate were synergistic, whereas menadione with trans-retinol, and plumbagin with trans-retinol were antagonistic in the dose-range tested. These results reveal that the interactions between two agents depend not only on the combinations of agents but also on the dose ranges or the ratios of agents under the experimental domain studied.
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