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[Differential effect of estrogens in target tissues]
P Barraille1, N Pizzinat, F Bayard
1Laboratoire d'endocrinologie et communication cellulaire INSERM U 397, Institut L. Bugnard, CHU Rangueil, Touluse.
Contraception, Fertilite, Sexualite (1992)
|March 1, 1995
Summary
New antibody research reveals estrogen receptors are located outside the nucleus in vascular cells. This study also demonstrates that estrogen receptor gene variations are partly controlled during protein translation.
Area of Science:
- Endocrinology
- Molecular Biology
- Cell Biology
Context:
- Estrogen receptors (ER) are critical regulators of cellular processes.
- Traditionally, ERs were primarily studied for their nuclear functions.
- Emerging evidence suggests non-genomic roles for ERs in various cell types.
Purpose:
- To investigate the localization of estrogen receptors in vascular cells.
- To explore the translational regulation of estrogen receptor polymorphism.
Summary:
- Utilizing the novel ER 1D5 antibody, this research demonstrates extranuclear localization of estrogen receptors within vascular cells.
- The study provides evidence that polymorphism in estrogen receptors is, to some extent, regulated at the translational level.
Impact:
- This finding expands our understanding of estrogen receptor signaling pathways in the vasculature.
- Highlights the importance of post-transcriptional regulation in ER diversity.
- Opens new avenues for therapeutic strategies targeting vascular estrogen receptor functions.