Research Article

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 2

Cytomorphological images of NCI-H292 and MRC-5 cells after exposure to 3-O-L-AO. (A1), (B1), (C1), (A2), (B2), and (C2) are untreated controls. (a), (b), (c), (j), (k), and (l) treated with 1.5 μg/mL; (d), (e), (f), (m), (n), and (o) treated with 6.25 μg/mL; and (g), (h), (i), (p), (q), and (r) treated with 12.5 μg/mL.