Research Article

Curcumin Inhibits Hyperandrogen-Induced IRE1α-XBP1 Pathway Activation by Activating the PI3K/AKT Signaling in Ovarian Granulosa Cells of PCOS Model Rats

Figure 2

Curcumin relieves the ER stress strongly activated by DHEA in the ovarian tissue of PCOS-like rats. (a) The levels of p-IRE1α and XBP1 were measured with immunohistochemical staining. (b) The expression of IRE1α, XBP1, GRP-78, and CHOP in the ovaries was assessed by qRT-PCR assay. (c, d) The protein expression of p-IRE1α, IRE1α, XBP1, GRP-78, and CHOP in ovarian tissues was assessed with western blotting. Representative data are displayed, and the relative protein intensity of p-IRE1α, IRE1α, XBP1, GRP-78, and CHOP was normalized to GAPDH. Three independent experiments were performed with similar results. Data are shown as the . vs. control group; ## vs. PCOS group.
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