Oestrogene mimetic isoflavones’ pharmacokinetics and pharmacodynamics
2008
Anca Dragomirescu, | Dragos, D., | Mihaela Andoni
Genisteine is the most abundant and the most studied estrogen-mimetic izoflavone. It's chemical formula is 4',5,7 – trihidroxyisoflavone. It has also estrogen-modulated properties by its binding ability to the beta type estrogen receptor. Genisteine presents the following farmacodinamic effects: antiaterogen effect, prevention of estrogen-dependent cancers, especially breast cancer, prevention of skin aging body, osteoprogen effect, prevention of osteoporosis at the menopauses women. Despite all these real benefits, there are also many adverse effects, registered both in humans and animals. Thus, the sheep feeding with some Fabaceae species, containing estrogen-mimetic isoflavones were stopped their reproductive function(isoflavones acted as an oral contraceptive. In humans, phytoestroges influence is still under evaluation, being suspected effects such as cerebral involution - via abusive apoptosis - or disturbance in hormonal status, in male children. All these are added to already known allergies, caused by soy proteins.
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