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Effects of GAS on the mRNA expression levels of (A) IL-1β, (B) COX-2 and (C) iNOS in the ischemic penumbra. *P<0.05 and **P<0.01 compared with the sham group; #P<0.05 and ##P<0.01 compared with the I/R model group. GAS, gastrodin; COX-2, cyclooxygenase-2; IL-1β, interleukin-1β; iNOS, inducible nitric oxide synthase; I/R, ischemia-reperfusion; Nim, nimodipine.
