Function:Galactose-specific lectin which binds IgE. May mediate with the alpha-3 , beta-1 integrin the stimulation by CSPG4 of endothelial cells migration. Together with DMBT1 , required for terminal differentiation of columnar epithelial cells during early embryogenesis. ,online information:Galectin-3 ,similarity:Contains 1 galectin domain. ,subcellular location:Cytoplasmic in adenomas and carcinomas. May be secreted by a non-classical secretory pathway and associate with the cell surface. ,subunit:Probably forms homo- or heterodimers. Interacts with DMBT1 (By similarity) . Forms a complex with the ITGA3 , ITGB1 and CSPG4. Interacts with LGALS3BP , LYPD3 , CYHR1 and UACA. ,tissue specificity:A major expression is found in the colonic epithelium. It is also abundant in the activated macrophages. ,
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