CASP3 and persistent truncus arteriosus: The level of apoptotic cell death markers (cleaved caspase-3 and TUNEL staining) and oxidative stress markers (4-HNE and 8-OHdG) was increased in the TAC-LVs, and NMEG-CGRP treatment attenuated apoptosis and oxidative stress in the TAC-LVs (Figure 5).