Mucin 5B

MUC5B
Identifiers
Aliases	MUC5B, MG1, MUC-5B, MUC5, MUC9, mucin 5B, oligomeric mucus/gel-forming
External IDs	OMIM: 600770 MGI: 1921430 HomoloGene: 136756 GeneCards: MUC5B
Gene location (Human)
Chr.	Chromosome 11 (human)[1]
End	1,262,172 bp[1]
Gene location (Mouse)
Chr.	Chromosome 7 (mouse)[2]
End	141,426,821 bp[2]
RNA expression pattern
	Top expressed in
	trachea; ; gallbladder; ; bronchus; ; bronchial epithelial cell; ; minor salivary gland; ; rectum; ; pancreatic ductal cell; ; canal of the cervix; ; cavity of mouth; ; urethra;
	Top expressed in
	trachea; ; olfactory epithelium; ; right lung; ; cervix; ; right lung lobe; ; conjunctival fornix; ; cochlea; ; carotid body; ; left lung; ; aorta;
	More reference expression data
	n/a
Gene ontology
Molecular function	protein binding;
Cellular component	Golgi lumen; extracellular region; extracellular exosome; intracellular membrane-bounded organelle; plasma membrane; extracellular space;
Biological process	O-glycan processing; stimulatory C-type lectin receptor signaling pathway;
	Sources:Amigo / QuickGO
Orthologs
	727897
	74180
	ENSG00000117983
	ENSMUSG00000066108
	Q9HC84
	n/a
	NM_002458
	NM_028801
	NP_002449
	n/a
	Wikidata
View/Edit Human	View/Edit Mouse

Mucin-5B (MUC-5B) is a protein that in humans is encoded by the MUC5B gene [5][6][7][8] and by Muc5b gene in mouse. It is one of the five gel-forming mucins. MUC-5B can be found in whole saliva, normal lung mucus, and cervical mucus. In some diseases such as COPD, chronic rhinosinusitis (CRS), and H. pylori-associated gastric disease.[9]

Synthesis

All mucins are synthesized in secretory cells known, dependent on the tissue they are located in, as goblet cells or mucous cells. Their creation, while still not completely understood, begins in the endoplasmic reticulum. From there, the Golgi apparatus build the O-linked glycans found in mucins. Finally, they are packaged into secretory granules.[10]

References

GRCh38: Ensembl release 89: ENSG00000117983 - Ensembl, May 2017
GRCm38: Ensembl release 89: ENSMUSG00000066108 - Ensembl, May 2017
"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
Desseyn JL, Buisine MP, Porchet N, Aubert JP, Laine A (November 1998). "Genomic organization of the human mucin gene MUC5B. cDNA and genomic sequences upstream of the large central exon". The Journal of Biological Chemistry. 273 (46): 30157–64. doi:10.1074/jbc.273.46.30157. PMID 9804771.
Desseyn JL, Guyonnet-Dupérat V, Porchet N, Aubert JP, Laine A (November 1997). "Human mucin gene MUC5B, the 10.7-kb large central exon encodes various alternate subdomains resulting in a super-repeat. Structural evidence for a 11p15.5 gene family". The Journal of Biological Chemistry. 272 (4): 3168–78. doi:10.1074/jbc.272.6.3168. PMID 9013550.
Desseyn JL, Aubert JP, Van Seuningen I, Porchet N, Laine A (1997). "Genomic organization of the 3' region of the human mucin gene MUC5B". The Journal of Biological Chemistry. 272 (27): 16873–83. doi:10.1074/jbc.272.27.16873. PMID 9201995.
"Entrez Gene: MUC5B mucin 5B, oligomeric mucus/gel-forming".
"MUC5B mucin 5B, oligomeric mucus/gel-forming [Homo sapiens (human)] - Gene - NCBI". www.ncbi.nlm.nih.gov. Retrieved 2021-06-10.
McGuckin MA, Thornton DJ, Whitsett JA (January 2015). "Mucins and mucus.". Mucosal Immunology. Academic Press. pp. 231–250. doi:10.1016/B978-0-12-415847-4.00014-8. ISBN 9780124158474.

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[refGRCh38Ensembl-1] GRCh38: Ensembl release 89: ENSG00000117983 - Ensembl, May 2017

[refGRCm38Ensembl-2] GRCm38: Ensembl release 89: ENSMUSG00000066108 - Ensembl, May 2017

[3] "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[4] "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[pmid9804771-5] Desseyn JL, Buisine MP, Porchet N, Aubert JP, Laine A (November 1998). "Genomic organization of the human mucin gene MUC5B. cDNA and genomic sequences upstream of the large central exon". The Journal of Biological Chemistry. 273 (46): 30157–64. doi:10.1074/jbc.273.46.30157. PMID 9804771.

[pmid9013550-6] Desseyn JL, Guyonnet-Dupérat V, Porchet N, Aubert JP, Laine A (November 1997). "Human mucin gene MUC5B, the 10.7-kb large central exon encodes various alternate subdomains resulting in a super-repeat. Structural evidence for a 11p15.5 gene family". The Journal of Biological Chemistry. 272 (4): 3168–78. doi:10.1074/jbc.272.6.3168. PMID 9013550.

[pmid9201995-7] Desseyn JL, Aubert JP, Van Seuningen I, Porchet N, Laine A (1997). "Genomic organization of the 3' region of the human mucin gene MUC5B". The Journal of Biological Chemistry. 272 (27): 16873–83. doi:10.1074/jbc.272.27.16873. PMID 9201995.

[entrez-8] "Entrez Gene: MUC5B mucin 5B, oligomeric mucus/gel-forming".

[9] "MUC5B mucin 5B, oligomeric mucus/gel-forming [Homo sapiens (human)] - Gene - NCBI". www.ncbi.nlm.nih.gov. Retrieved 2021-06-10.

[10] McGuckin MA, Thornton DJ, Whitsett JA (January 2015). "Mucins and mucus.". Mucosal Immunology. Academic Press. pp. 231–250. doi:10.1016/B978-0-12-415847-4.00014-8. ISBN 9780124158474.