Figure 2From: 4-Hydroxynonenal induces apoptosis in human osteoarthritic chondrocytes: the protective role of glutathione-S-transferaseNuclear morphology study for apoptosis. Chondrocytes were incubated for 16 hours with or without 30 μM 4-hydroxynonenal (HNE), stained with Hoechst 33258, and then analyzed by fluorescence microscopy.Back to article page