Receptor mediated biological activities of phytoestrogens

Phytoestrogens are plant-derived compounds that have chemical structures and functions similar to estrogen. Phytoestrogens act as ligand-inducible transcription factors involved in cellular growth by binding to estrogen receptors (ERs), specifically ER alpha (ERα) and beta (ERβ). Through this mechan...

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Veröffentlicht in:International journal of biological macromolecules 2024-10, Vol.278 (Pt 2), p.134320, Article 134320
Hauptverfasser: Seo, Huiwon, Seo, Hyeyeong, Lee, Seok-Hee, Park, Yooheon
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Sprache:eng
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Zusammenfassung:Phytoestrogens are plant-derived compounds that have chemical structures and functions similar to estrogen. Phytoestrogens act as ligand-inducible transcription factors involved in cellular growth by binding to estrogen receptors (ERs), specifically ER alpha (ERα) and beta (ERβ). Through this mechanism, phytoestrogens have a physiological function similar to that of the female hormone 17β-estradiol (E2), which can be useful in treating osteoporosis, cardiovascular disease, and cancer. Furthermore, phytoestrogens have been found to elicit various cellular responses depending on their affinity for ERs; in particular, they show a greater affinity with for ERβ. This study aimed to comprehensively analyze the mode of action of eight phytoestrogens, namely kaempferol, coumestrol, glycitein, apigenin, daidzein, genistein, equol, and resveratrol, by evaluating their estrogenic activity as ER ligands. Based on the bioluminescence resonance energy transfer (BRET)-based ER dimerization and transactivation assay results, all the phytoestrogens tested were identified as estrogen agonists by mediating ERα and ERβ dimerization. The specific binding and functions of ERα and ERβ were distinguished by differentiating between their dimerization activity. In addition, this study contributes to advancing our understanding of the overall mechanism of action involving both ERs. [Display omitted] •A comprehensive study into the estrogen signaling pathway of phytoestrogens•Receptor mediated mechanism of action of phytoestrogens at the cellular level•Evaluation of receptor specific binding via dimerization and transactivation assay
ISSN:0141-8130
1879-0003
1879-0003
DOI:10.1016/j.ijbiomac.2024.134320