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. 2011 Nov 3;25(12):2029–2040. doi: 10.1210/me.2011-1145

Fig. 2.

Fig. 2.

ER ligand-induced dimerizations [ERα/ERα-homodimerization (panel A); ERβ/ERβ-homodimerization (panel B); and ERα/ERβ-heterodimerization (panel C) studied in HEK293T cells cotransfected with respective combination of vectors (ERα/ERα: NFluc-ERα-LBD/ERα-LBD-CFluc; ERα/ERβ: NFluc-ERα-LBD/ERβ-LBD-CFluc; ERβ/ERβ: NFluc-ERβ-LBD/ERβ-LBD-CFluc) after exposure to several ligands including ERα-selective (MPP and PPT), ERβ-selective (DPN, THC, and Gen), and ER subtype nonselective ligands [ERα and ERβ; estrone (E1), E2, estriol (E3), OHT, and Ral]. The results showed significant level of luciferase signal induced by all ligands (P < 0.05). The subtype-specific ligands induced higher level of signals with their respective homodimerization along with the heterodimerization. DMSO, Dimethylsulfoxide.