MUC2 and colon carcinoma: In addition, most human cell line models used to study EHEC infection (e.g. T84, Caco‐2, and HT‐29 colon carcinoma cells) are devoid of a MUC2‐containing mucus layer (Navabi, McGuckin, & Lindén 2013; van Klinken et al., 1996; Walsham et al., 2016).