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2-Methoxyestradiol (2ME) is an estradiol metabolite with anti-tumor and anti-angiogenic properties. We studied the effect of 2ME on apoptosis of MCF-7 breast cancer cells and explored a combination therapy using 2ME and a polyamine analogue, bis(ethyl)norspermine (BE-3-3-3). Determination of viable cells on day 4 of treatment with 2ME/BE-3-3-3 combinations showed synergistic effects by Chou–Talalay...
We studied the therapeutic potential of two polyamine analogs on breast cancer using FVB/NTgN (MMTVneu), a transgenic mouse model with neu/erb-B2 oncogene overexpression. Treatment was initiated at 31 weeks of age with bis(ethyl)norspermine (BE333) and its higher homolog, BE3333 as i.p. injections once weekly. There was a 40% reduction in the average number of tumors per mouse in both treatment groups,...
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