Fig. 8From: Piperlongumine-Eluting Gastrointestinal Stent Using Reactive Oxygen Species-Sensitive Nanofiber Mats for Inhibition of Cholangiocarcinoma CellsImmunohistochemical staining (× 400) of HuCC-T1 tumor tissues. Each tumor tissues were stained with BAX, caspase-3, 7, and 9, and PARP-1Back to article page