Cell Type-specific Differences in Glycosaminoglycans Modulate the Biological Activity of a Heparin-binding Peptide (RKRLQVQLSIRT) from the G Domain of the Laminin α1 Chain

Abstract excerpt

AG73 (RKRLQVQLSIRT), a peptide from the G domain of the laminin alpha1 chain, has diverse biological activities with different cell types. The heparan sulfate side chains of syndecan-1 on human salivary gland cells were previously identified as the cell surface ligand for AG73. We used homologous peptides from the other laminin alpha-chains (A2G73-A5G73) to determine whether the bioactivity of the AG73 sequence...

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