Positive Samples: LO2, Mouse heart, Mouse kidney, Rat heart
Laminins are essential and abundant structural non-collagenous glycoproteins localizing to basement membranes. Basement membranes (cell-associated extracellular matrices (ECMs)) are polymers of Laminins with stabilizing Type IV Collagen networks, Nidogen and several proteoglycans. Basement membranes are found under epithelial layers, around the endothelium of blood vessels, and surrounding muscle, peripheral nerve and fat cells. Formation of basement membranes influences cell proliferation, phenotype, migration, gene expression and tissue architecture. Each Laminin is a heterotrimer of alpha, beta and gamma chain subunits that undergoes cell-secretion and incorporation into the ECM. Laminins can self-assemble, bind to other matrix macromolecules and have unique and shared cell interactions mediated by Integrins, dystroglycan and cognate Laminin receptors. The human Laminin gamma-1 gene maps to chromosome 1q31 and is ubiquitously expressed in tissues that produce basement membranes.
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Protein Aliases: Laminin A chain; Laminin subunit alpha-1; laminin, alpha 1; laminin-1; Laminin-1 subunit alpha; Laminin-3 subunit alpha; S-LAM alpha; S-laminin subunit alpha
Gene Aliases: AA408497; LAMA; Lama-1; LAMA1; PTBHS; S-LAM-alpha