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Psoralen regulated the mRNA expression of IRE1, Bax, and Bcl-2. (a, b, and c) Osteoporotic osteoblasts were pretreated by psoralen or E2 for 48 h, and then the mRNA expressions of IRE1, Bax, and Bcl-2 were assayed by qPCR. ∗P < 0.05 versus control group.
