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ERx is a putative membrane estrogen receptor (mER) of which little is currently known. It was discovered as a gene transcription signature induced by estradiol that is independent of the ERα/ERβ and GPER and was identified using the membrane-impermeable estradiol conjugate E2-BSA in the absence or presence of the ERα/ERβ antagonist fulvestrant (ICI-182,780) and the GPER antagonist G-15.

See also

• ER-X
• GPER (GPR30)
• G_q-mER
• Estrogen receptor

References

1. ^ Kampa M, Notas G, Pelekanou V, Troullinaki M, Andrianaki M, Azariadis K, et al. (August 2012). "Early membrane initiated transcriptional effects of estrogens in breast cancer cells: First pharmacological evidence for a novel membrane estrogen receptor element (ERx)". Steroids. 77 (10): 959–967. doi:10.1016/j.steroids.2012.02.011. PMID 22406407. S2CID 21837495.
2. ^ Soltysik K, Czekaj P (April 2013). "Membrane estrogen receptors - is it an alternative way of estrogen action?". Journal of Physiology and Pharmacology. 64 (2): 129–142. PMID 23756388.

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