Cooperative control via lymphoid enhancer factor 1/T cell factor 3 and estrogen receptor-alpha for uterine gene regulation by estrogen.

Molecular Endocrinology
Sanhita RaySanjoy K Das

Abstract

Accumulating evidence indicates that estrogen regulates diverse but interdependent signaling pathways via estrogen receptor (ER)-dependent and -independent mechanisms. However, molecular relationship between these pathways for gene regulation under the direction of estrogen remains unknown. To address this possibility, our uterine analysis of Wnt/beta-catenin downstream effectors revealed that lymphoid enhancer factor 1 (Lef-1) and T cell factor 3 (Tcf-3) are up-regulated temporally by 17beta-estradiol (E2) in an ER-independent manner. Lef-1 is abundantly up-regulated early (within 2 h), whereas Tcf-3 is predominantly induced after 6 h, and both are sustained through 24 h. Interestingly, activated Lef-1/Tcf-3 molecularly interacted with ERalpha in a time-dependent manner, suggesting they possess a cross talk in the uterus by E2. Moreover, dual immunofluorescence studies confirm their colocalization in uterine epithelial cells after E2. Most importantly, using chromatin immunoprecipitation followed by PCR analyses, we provide evidence for an interesting possibility that ERalpha and Tcf-3/Lef-1 complex occupies at certain DNA regions of estrogen-responsive endogenous gene promoters in the mouse uterus. By selective perturbation o...Continue Reading

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Citations

Feb 19, 2009·Molecular Human Reproduction·Qi ChenEnkui Duan
Sep 11, 2012·Reproductive Biology and Endocrinology : RB&E·Ling ZhangJames K Pru
Oct 9, 2009·Molecular Endocrinology·Sylvia C HewittKenneth S Korach
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Jul 14, 2012·PloS One·Dawne N SheltonMichael J Goodheart
Feb 19, 2016·Journal of Molecular Endocrinology·I RobertshawS K Das
Feb 28, 2018·Journal of Medicinal Food·Jeremy E Davis, Darcie Hastings
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Jul 5, 2011·Journal of Neuroendocrinology·F WandosellL M Garcia-Segura
Nov 12, 2020·International Journal of Molecular Sciences·Melanie K StewartAndrew J Pask

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