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FLASH GENE

Symbol

MUC5AC

contributors: mct - updated : 20-02-2014

HGNC name	mucin 5, subtypes A and C, tracheobronchial/gastric
HGNC id	7515

FLASH GENE DNA RNA EXPRESSION PROTEIN DISORDER ANIMAL & CELL MODELS

PROTEIN

PHYSICAL PROPERTIES

STRUCTURE

motifs/domains	24bp tandem repeat domains, interrupted by cysteine-rich subdomains and a putative leucine zipper motif, highly similar to MUC5B
	nne cysteine-rich domains
	four proVWF-like D domain

conjugated

GlycoP

HOMOLOGY

Homologene

FAMILY

CATEGORY

secretory

SUBCELLULAR LOCALIZATION	extracellular
	intracellular
	intracellular,cytoplasm,organelle,lumen
	intracellular,cytoplasm,organelle,Golgi

basic FUNCTION	major component of airway mucus involved in intestinal epithelial cell differentiation
	MUC5AC and MUC5B may play an important role in the pathogenesis of chronic rhinosinusitis and nasal polyposis
	predominant mucin in the gel phase of sputum in the smoker group
	may be involved in the pathophysiology of the chronic obstructive pulmonary disease
	functional immunosuppressive agent, having an important role in pancreatic cancer progression

CELLULAR PROCESS

PHYSIOLOGICAL PROCESS

PATHWAY

metabolism

signaling

a component

INTERACTION

DNA

RNA

small molecule

protein	NRG1 is a novel mediator of MUC5AC and MUC5B expression in bronchial epithelial cells
	ELANE stimulates the secretion of MUC5AC from airway epithelial cells, and can increase F2RL1 expression and MUC5AC release
	TRPM5 activation by ATP couples TRPM5-mediated Na(+) entry to promote Ca(2+) uptake via a TLX2 to trigger MUC5AC secretion

cell & other

REGULATION

inhibited by

EGFR inhibitor (enhanced production of MUC5AC was inhibited with an EGFR inhibitor and with a MEK inhibitor, but not with a Src family kinase inhibitor)

Other	regulated by TACE-EGFR cascade
	regulated by a bidirectional circuit between Notch and EGFR signaling pathways

ASSOCIATED DISORDERS

corresponding disease(s)

Other morbid association(s)

Type Gene Modification Chromosome rearrangement Protein expression Protein Function tumoral     --over   in colorectal neoplasia and in intra-epithelial cancer of the pancreas tumoral     --over   in the ductal region of human pancreatic cancer

Susceptibility

Variant & Polymorphism

Candidate gene

Marker

Therapy target

ANIMAL & CELL MODELS