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The improvement effect of IL-1β pretreatment on MSCs for hepatocyte apoptosis and proliferation treatment. (a) Images from TUNEL assays and immunohistochemical staining of Ki-67 of livers at 48 h after NS, MSC, or Pre-MSC administration. (b, c) Statistical analysis of TUNEL-positive and Ki-67-positive hepatocytes of livers at each group (n = 5). Bar = 100 μm. ∗P < 0.05, #P < 0.01, and &P < 0.001.
