HMGB1 and colon carcinoma: However, in the same conditions, neither HMGB1-fl nor HMGB1-ΔC could modulate Δψm in normal fibroblastic C19 cells (Figure 4A upper right panel and Figure S2) or in the two colon carcinoma cell lines HT-29 and HCT-116 (Figure 4A lower panels).