Extracellular glycoprotein lacritin (IPR033530)

Short name: Lacritin

Overlapping homologous superfamilies


Family relationships



Lacritin is a tear glycoprotein that induces tear secretion [PMID: 21087963, PMID: 25034600] and promotes epithelial homeostasis [PMID: 23640897]. Lacritin has anti-microbial, cytoprotective and wound-healing properties [PMID: 24942736, PMID: 26670139]. It is down-regulated in conditions such as dry eye [PMID: 22736608], keratitis [PMID: 23308132], and other eye pathologies. Lacritin is highly expressed in human lacrimal gland and moderately in major and minor salivary glands [PMID: 11419941].

GO terms

Biological Process

GO:0008284 positive regulation of cell population proliferation
GO:0051047 positive regulation of secretion
GO:0070075 tear secretion

Molecular Function

No terms assigned in this category.

Cellular Component

No terms assigned in this category.

Contributing signatures

Signatures from InterPro member databases are used to construct an entry.