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Effect of NIPP-1 and NIPP-2 treatment on α-smooth muscle actin (α-SMA), TGF-β, PDGF, collagen type 1 protein expressions (A) and mRNA levels (B) in HSCs stimulated with TGF-β1. LX-2 cells were treated with NIPP-1 and NIPP-2 in the presence or absence of 2 ng/mL TGF-β1 for 48 h.
