Title : Beta-carotene and/or vitamin E as modulators of alkylating agents in SCC-25 human squamous carcinoma cells.

Pub. Date : 1992

PMID : 1733553






9 Functional Relationships(s)
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1 Beta-carotene and/or vitamin E as modulators of alkylating agents in SCC-25 human squamous carcinoma cells. beta Carotene serpin family B member 3 Homo sapiens
2 We report on the cytotoxicity of beta-carotene, vitamin E, and the combination of beta-carotene and vitamin E in human SCC-25 squamous carcinoma cells under various environmental conditions found in solid tumor masses. beta Carotene serpin family B member 3 Homo sapiens
3 We report on the cytotoxicity of beta-carotene, vitamin E, and the combination of beta-carotene and vitamin E in human SCC-25 squamous carcinoma cells under various environmental conditions found in solid tumor masses. beta Carotene serpin family B member 3 Homo sapiens
4 Beta-Carotene was an effective modulator of cisplatin (CDDP) cytotoxicity toward SCC-25 cells, whereas vitamin E was not. beta Carotene serpin family B member 3 Homo sapiens
5 Both beta-carotene and vitamin E were effective modulators of melphalan cytotoxicity toward SCC-25 cells. beta Carotene serpin family B member 3 Homo sapiens
6 Treatment of SCC-25 cells with beta-carotene (70 microM, 2h) resulted in a reduction in superoxide dismutase activity, in glutathione-S-transferase activity, and in nonprotein sulfhydryl levels in the cells. beta Carotene serpin family B member 3 Homo sapiens
7 Exposure to vitamin E or to a combination of beta-carotene and vitamin E increased the glutathione-S-transferase activity in SCC-25 cells by 40%-45% over the control value. beta Carotene serpin family B member 3 Homo sapiens
8 Treatment with beta-carotene, vitamin E, or canthaxanthin reduced the incorporation of [3H]-thymidine into SCC-25 cells but not that into normal human keratinocytes. beta Carotene serpin family B member 3 Homo sapiens
9 The most marked reduction in [3H]-thymidine incorporation into SCC-25 cells occurred following treatment with the combination of beta-carotene and melphalan. beta Carotene serpin family B member 3 Homo sapiens