MUC5AC and ocular melanoma: The stagnant mucin-rich effusion that appears to promote bacterial proliferation has also been demonstrated in the chinchilla model of OM (Miyamoto and Bakaletz, 1997; Jurcisek and Bakaletz, 2007; Novotny and Bakaletz, 2016), and mucin (MUC) gene polymorphism in patients with chronic OM may contribute to the inadequate host clearance of bacteria (Kerschner, 2007; Ubell et al., 2008).