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HERO ID
1402410
Reference Type
Journal Article
Subtype
Review
Title
Molecular mechanisms of induction of persistent changes by estrogenic chemicals on female reproductive tracts and external genitalia
Author(s)
Miyagawa, S; Sato, M; Iguchi, T
Year
2011
Is Peer Reviewed?
Yes
Journal
Journal of Steroid Biochemistry and Molecular Biology
ISSN:
0960-0760
Volume
127
Issue
1-2
Page Numbers
51-57
Language
English
PMID
21397691
DOI
10.1016/j.jsbmb.2011.03.009
Web of Science Id
WOS:000296546800008
Abstract
The effects of environmental endocrine-disrupting chemicals (EDCs) are a great and growing concern for human and animal development and life. The reproductive organs are considered as a primary target of EDCs, yet the effects on reproductive organs can extend to other body systems. Perinatal diethylstilbestrol (DES)-exposed mice exhibit various reproductive organ abnormalities. The perinatal DES-exposure model has allowed insight into our understanding of the mechanisms of persistent reproductive organ abnormalities elicited by exposure to estrogens and/or estrogenic EDCs. The persistent changes in the vagina of neonatally DES-exposed mice result from sustained expression of growth factors by ligand-independent transcriptional activation of the estrogen receptor. Developmental regulatory genes, such as Wnt and Hox genes, are also targets of DES during fetal stages and altered gene expression can induce malformations of the reproductive organs. In this review, we focus on the development of female reproductive tracts and external genitalia, and discuss the recent progress in understanding the disruptive effects of estrogens and EDCs on these organs.
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