Target intelligence / Profile preview

Mucus Gel Matrix (None)

Target: None
Molecular classification: Glycoprotein Matrix, Extracellular Matrix, Polysaccharide-Protein Complex

Overview

The mucus gel matrix is a hydrated, viscoelastic network primarily composed of mucin glycoproteins. It forms a protective barrier on epithelial surfaces, trapping pathogens and particulates and facilitating their removal. Alterations in its composition or structure are associated with various respiratory and gastrointestinal diseases.

Other names: MucusAirway MucusGastrointestinal Mucus

Mechanism of action

Mucolytics break down the mucus gel structure by disrupting disulfide bonds or degrading DNA. Expectorants increase hydration of the mucus. Hypertonic saline increases mucus hydration and clearance.

Biological functions

Barrier ProtectionPathogen TrappingLubricationInnate Immune DefenseEpithelial Hydration

Disease associations

AsthmaCystic FibrosisChronic Obstructive Pulmonary Disease (COPD)Gastric UlcersCancerInfection

Safety considerations

Bronchospasm (with some mucolytics)Increased CoughAirway IrritationIneffectiveness in certain patient populationsPotential for bacterial colonization if mucus clearance is impaired

Interacting drugs

Mucolytics (e.g., N-Acetylcysteine, Dornase Alfa)

2 more in the full profile.

Biomarkers

Mucus ViscosityMucus ElasticityMUC5AC ConcentrationMUC5B ConcentrationSputum CytologyInflammatory Markers in Mucus (e.g., IL-8)

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