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. 2019 Sep 11;8(9):1447. doi: 10.3390/jcm8091447

Table 2.

Classification, chromosome localization and main tissue expression of human mucins [39,40].

Mucin Chromosome Main Tissue Expression
Secreted Mucins-Gel-Forming
MUC2 11p15.5 Jejunum, ileum, colon, endometrium, respiratory tact
MUC5AC 11p15.5 Respiratory tract, stomach, conjunctiva, endocervix, endometrium
MUC5B 11p15.5 Respiratory tract, submandibular glands, endocervix
MUC6 11p15.5 Stomach, ileum, gall bladder, endocervix, endometrium
MUC19 12q12 Sublingual gland, submandibular gland, respiratory tract, eye, middle ear epithelium
Secreted Mucins-Non-Gel-Forming
MUC7 4q13-q21 Respiratory tract, sublingual and submandibular glands
MUC8 12q24.3 Respiratory tract, uterus, endocervix, endometrium
MUC9 1p13 Fallopian tubes
Transmembrane Mucins
MUC1 1q21 Breast, pancreas, duodenum, ileum, colon, trachea, bronchi, cornea, conjunctiva, fallopian tubes, uterus, endometrium, endocervix, ectocervix, vagina
MUC3A/B 7q22 Small intestine, colon, gall bladder
MUC4 3q29 Breast, respiratory tract, small intestine, colon, conjunctiva, cornea, endocervix, ectocervix, vagina, endometrium, lungs
MUC12 7q22 Colon, small intestine, stomach, pancreas, lung, kidney, prostate, uterus
MUC13 3q21.2 Colon, trachea, kidney, small intestine
MUC14 4q24 Heart, kidney, lungs
MUC15 11p14.3 Colon, respiratory tract, small intestine, prostate
MUC16 19p13.2 Ovary, cornea, conjunctiva, respiratory tract, endometrium
MUC17 7q22 Stomach, duodenum, colon
MUC20 3q29 Placenta, colon, respiratory tract, prostate, liver
MUC21 6p21 Respiratory tract, thymus, colon
MUC22 6p21.22 Lungs, placenta, testis