Abstract
Temporal and concentration dependencies of the effects of gestagens (6α-methylpentarane and progesterone) and cytostatic doxorubicin on proliferation of MCF-7 and HeLa tumor cells was studied using 3H-thymidine test. Gestagens produced the maximum inhibitory effect of on cell proliferation in a concentration of 10-5 M; the effect developed on day 6 of incubation. 6 α-Methylpentarane in a concentration of 10-8 inhibited proliferation of HeLa cells more effectively than progesterone (p<0.05). In experiments with combined treatment of doxorubicin-sensitive MCF-7 and HeLa cells, progesterone in a concentration of 10-7 M attenuated the cytostatic effect of doxorubicin (p<0.05), while 6α-methylpentarane in the studied concentrations did not modulate it.
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Shimanovskii, N.L., Semeikin, A.V., Fedotcheva, T.A. et al. 6α-Methyl-16α,17α-Cyclohexane Progesterone and Progesterone Inhibit Growth of Doxorubicin-Sensitive MCF-7 and HeLa Tumor Cells. Bulletin of Experimental Biology and Medicine 134, 385–388 (2002). https://doi.org/10.1023/A:1021972618033
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DOI: https://doi.org/10.1023/A:1021972618033