Title : Protective effects of prepubertal genistein exposure on mammary tumorigenesis are dependent on BRCA1 expression.

Pub. Date : 2011 Sep

PMID : 21680703






3 Functional Relationships(s)
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1 These results may be related to the opposing effects of prepubertal genistein diet on the expression of Rankl and CK5/CK18 ratio (marker of luminal epithelial cell differentiation) in the mammary gland and estrogen receptor (ER-alpha) and progesterone receptor (PgR) protein levels in the mammary tumor: these all were reduced in the WT mice or increased in Brca1(+/-) mice. Genistein progesterone receptor Mus musculus
2 These results may be related to the opposing effects of prepubertal genistein diet on the expression of Rankl and CK5/CK18 ratio (marker of luminal epithelial cell differentiation) in the mammary gland and estrogen receptor (ER-alpha) and progesterone receptor (PgR) protein levels in the mammary tumor: these all were reduced in the WT mice or increased in Brca1(+/-) mice. Genistein progesterone receptor Mus musculus
3 Our results show that upregulation of Brca1 may be required for prepubertal dietary genistein exposure to reduce later mammary tumorigenesis, perhaps because in the absence of this upregulation, mice do not exhibit genistein-induced downregulation of ER-alpha, PgR, and Rankl. Genistein progesterone receptor Mus musculus