Table 1.

Species comparison of mucin enrichment in healthy gallbladder and stomach tissues

Species	Gallbladder	Stomach
Human	MUC5B high [24, 27] MUC5AC low [26, 28]	MUC5AC high [25] MUC5B low (absent except in fetal development or disease) [26]
Ferret	MUC5B high, MUC5AC low (see results section)	MUC5AC high, MUC5B low (see results section)
Pigs	MUC5B high [36] MUC5AC low [36]	MUC5AC high [31, 33]
Sheep	NA	MUC5AC high [30]
Rabbits	NA	MUC5AC high [31]
Rat	Rats do not have gallbladders	MUC5AC high [31, 32]
Mice	MUC5B high [34]	MUC5AC high [29, 35]

"High" = Moderate to strong expression, "Low" = Minor to lack of expression