Open Access

ARTICLE

In vitro effects of 2-methoxyestradiol-bis-sulphamate on cell growth, morphology and cell cycle dynamics in the MCF-7 breast adenocarcinoma cell line

by CHRIS VORSTER, ANNIE JOUBERT

Department of Physiology, University of Pretoria, P.O. Box 2034, Pretoria, 0001, South Africa

*Address correspondence to: Annie Joubert. E-mail:

BIOCELL 2010, 34(2), 71-80. https://doi.org/10.32604/biocell.2010.34.071

Abstract

In the search for new and improved anticancer therapies, researchers have identified several potentially useful compounds. One of these agents is 2-methoxyestradiol-bis-sulphamate (2ME-BM), a sulphamoylated derivative of 2-methoxyestradiol. The objective of this study was to evaluate 2ME-BM’s in vitro efficacy as antiproliferative agent in the MCF-7 breast adenocarcinoma cell line. Light- and fluorescent microscopy showed decreased cell density, increased apoptotic characteristics and significant ultrastructural aberrations indicative of autophagic cell death after 24 hours of exposure at a concentration of 0.4μM. In addition, mitotic indices revealed that 2ME-BM induces a G₂M block. The latter was confirmed by flow cytometric analyses where increased sub-G₁ and G₂ /M fractions, as well as an increase in cyclin B1 levels were observed. Further in vitro research into the mechanism of this potentially useful anticancer compound is thus warranted.

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