MAP1LC3B and colorectal carcinoma: Spautin (5 μm) and 3‐methyladenine (3‐MA; 5 mm), inhibitors of early steps in the autophagic pathway, reduced accumulation of LC3B in HT‐29 cells and other colorectal carcinoma cells treated with 1 μm NVP or NVP‐Iso (Fig. 6B, Fig. S7A).