期刊
MOLECULAR ENDOCRINOLOGY
卷 16, 期 10, 页码 2188-2201出版社
OXFORD UNIV PRESS INC
DOI: 10.1210/me.2001-0174
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资金
- NCI NIH HHS [P50 CA-89018 P50] Funding Source: Medline
We created a nonclassical estrogen receptor (ER) knock-in mouse model by introducing a mutation that selectively eliminates classical ER signaling through estrogen response elements, while preserving the nonclassical ER pathway. Heterozygous nonclassical ER knock-in (NERKI) females are infertile. Their ovaries contain no corpora lutea, reflecting a defect in ovulation, and the stromal cells contain lipid droplets, suggesting altered steroidogenesis. The uteri are enlarged with evidence of cystic endometrial hyperplasia, and the mammary glands are hypoplastic. These phenotypic features indicate differential ER effects on growth and development in various estrogen-responsive tissues. These findings suggest that nonclassical ER signaling pathways play an important physiological role in the development and function of the reproductive system.
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