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IL-1Ra activates Nrf2/HO-1 signaling in I/R intestine. (A) The protein expression levels of p-Nrf2, Nrf2 and HO-1. (B–D) The gray values of band were measured and calculated by optical densitometry, the ratio values were statistically analyzed. “p-” represented the phosphorylated form of protein. Data were shown as the mean ± SD (n = 3). #p < 0.05 versus S; *p < 0.05 versus I/R.
