Fig. 9From: A combination of ultrasound-targeted microbubble destruction with transplantation of bone marrow mesenchymal stem cells promotes recovery of acute liver injuryImmunohistochemical staining of PCNA in the four groups (n = 3 per group). The cells with positive proliferation were identified with red fluorescence (scale bar = 50 μm) (*p ≤ 0.05)Back to article page