Figure 2From: Emodin induces apoptosis of human cervical cancer hela cells via intrinsic mitochondrial and extrinsic death receptor pathwayCell apoptosis observed using TUNEL staining. HeLa cells were treated with Emodin (0, 20, 40, and 80 μM) for 48 h. Apoptotic cells exhibited Morphological changes in the nuclei typical of apoptosis. Photographs were taken under an inverted microscope (200×, original magnification). Arrows represent apoptotic cells.Back to article page