2-Hydroxyestrone: The "Good" Estrogen
Sending enough estrogen down this pathway reduces the risk for female cancers.
Study Title:2-Hydroxyestrone: The "Good" Estrogen
The issue of the role of 2-hydroxyestrone (2-OHE1) in breast cancer has been the subject of considerable controversy as to whether it is carcinogenic or anticarcinogenic. The expanding data base outlined below is most consistent with the conclusion that 2-OHE1 is anticarcinogenic. In every experimental model in which 2-hydroxylation was increased, protection against tumors was achieved. Correspondingly, when 2-hydroxylation was decreased, an increase in cancer risk was observed. Even more dramatically, in the case of laryngeal papillomas induction of 2-hydroxylation with indole-3-carbinol (I3C) has resulted in inhibition of tumor growth during the time that the patients continue to take 13C or vegetables rich in this compound.
Bradlow HL, Telang NT, Sepkovic DW, Osborne MP. 2-Hydroxyestrone: The "Good" Estrogen J Endocrinol. 1996 September 150 Suppl:S259-65.
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