Figure 2From: Up-regulation of hypoxia inducible factor-1α by cobalt chloride correlates with proliferation and apoptosis in PC-2 cellsMorphological changes of PC-2 cells induced by hypoxia by transmission electron microscope. A: Normal pancreatic cancer PC-2 cells(×6000); B: PC-2 cells in early stage of apoptosis (×6000); C: PC-2 cells in middle stage of apoptosis cell(×6000); D: Apoptotic body(×6000).Back to article page