Fig. 1From: Cellular and molecular effects of Baccharis dracunculifolia D.C. and Plectranthus barbatus Andrews medicinal plant extracts on retinoid metabolism in the human hepatic stellate cell LX-2Effects of the medicinal plant extracts of Baccharis dracunculifolia and Plectranthus barbatus in cytotoxicity, genotoxicity and relevant elements of the apoptotic process. (a) MTT cell viability after 24 h exposure to the extracts. (b) Comet assays performed after 24 h treatment with the plant extracts (c) Expression levels of pro-apoptotic genes were evaluated in different groups of LX-2 cells by qRT-PCR. The graphs represent the mean values (a and c) and medians (b) of at least three independent experiments (p < 0.05)Back to article page