Postmenopausal hormone therapy is associated with increased incidence of breast cancer. For this reason alternativetherapeutic options to treat menopausal symptoms have been developed. Red clover extracts (RCE) are rich in isoflavones,particularly genistein and daidzein and they have been proved to be effective in reducing vasomotor symptoms in a number ofstudies. Due to their partial selectivity of action on estrogen receptors (ERs) these compounds have been claimed to be saferon the breast. In this article, we explored the action of RCE on motility and invasion of ER positive breast cancer cells and wepartially characterized the signaling mechanisms. The principal isoflavones contained in RCE acted as weak estrogeniccompounds when administered alone. However, when provided in association with physiological amounts of estradiol, RCEacted as estrogen antagonist on remodeling of actin cytoskeleton that are requested to enact cell movement and with relatedmodifications of the activity of actin-binding proteins, such as moesin. These results offer novel information on the molecularactions of isoflavones contained in red clover on breast cancer cells, supporting a possible action of these molecules as naturalselective estrogen receptor modulators in the presence of physiological amounts of estrogens.

Effects of red clover extracts on breast cancer cell migration and invasion / Mannella, P; Tosi, V; Russo, E; Zullino, S; Pancetti, F; Gompal, S; Polak, K; Genazzani, Ar; Genazzani, Alessandro; Simoncini, T.. - In: GYNECOLOGICAL ENDOCRINOLOGY. - ISSN 0951-3590. - STAMPA. - 28:1(2012), pp. 29-33. [10.3109/09513590.2011.579660]

Effects of red clover extracts on breast cancer cell migration and invasion

GENAZZANI, Alessandro;
2012

Abstract

Postmenopausal hormone therapy is associated with increased incidence of breast cancer. For this reason alternativetherapeutic options to treat menopausal symptoms have been developed. Red clover extracts (RCE) are rich in isoflavones,particularly genistein and daidzein and they have been proved to be effective in reducing vasomotor symptoms in a number ofstudies. Due to their partial selectivity of action on estrogen receptors (ERs) these compounds have been claimed to be saferon the breast. In this article, we explored the action of RCE on motility and invasion of ER positive breast cancer cells and wepartially characterized the signaling mechanisms. The principal isoflavones contained in RCE acted as weak estrogeniccompounds when administered alone. However, when provided in association with physiological amounts of estradiol, RCEacted as estrogen antagonist on remodeling of actin cytoskeleton that are requested to enact cell movement and with relatedmodifications of the activity of actin-binding proteins, such as moesin. These results offer novel information on the molecularactions of isoflavones contained in red clover on breast cancer cells, supporting a possible action of these molecules as naturalselective estrogen receptor modulators in the presence of physiological amounts of estrogens.
2012
28
1
29
33
Effects of red clover extracts on breast cancer cell migration and invasion / Mannella, P; Tosi, V; Russo, E; Zullino, S; Pancetti, F; Gompal, S; Polak, K; Genazzani, Ar; Genazzani, Alessandro; Simoncini, T.. - In: GYNECOLOGICAL ENDOCRINOLOGY. - ISSN 0951-3590. - STAMPA. - 28:1(2012), pp. 29-33. [10.3109/09513590.2011.579660]
Mannella, P; Tosi, V; Russo, E; Zullino, S; Pancetti, F; Gompal, S; Polak, K; Genazzani, Ar; Genazzani, Alessandro; Simoncini, T.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/743563
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