A Study on Cytotoxic and Apoptotic Potential of a Triterpenoid Saponin (3-O--L-Arabinosyl Oleanolic Acid) Isolated from Schumacheria castaneifolia Vahl in Human Non-Small-Cell Lung Cancer (NCI-H292) Cells

Figure 3

NCI-H292 cells (exposed to 3-O-L-AO) stained with AO/EB and observed under fluorescence microscope showing evidences of apoptosis. (a) Untreated control; (b) treated with 2.5 μg/mL; (c) treated with 5 μg/mL; and (d) treated with 10 μg/mL.

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