ITGB1 Knockout Cell Line (A549)

The choice depends on whether you are studying ITGB1 (integrin β1)'s role as the most broadly expressed integrin β-subunit or its functions in lung cancer adhesion, migration, and ECM signaling. The Knockout line is the standard tool for asking whether β1 is required for these processes — ITGB1 partners with 12 different α-subunits (ITGA1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, V) to form the largest integrin subfamily, binding to fibronectin, collagen, laminin, and other ECM ligands. Overexpression is useful for studying β1-integrin in heterologous expression contexts. For lung cancer research, the EDITGENE ITGB1 Knockout in A-549 is highly relevant — A-549 is an NSCLC model, and β1-integrin is implicated in lung cancer progression and therapy resistance. Rescue with wild-type or ligand-binding-deficient ITGB1 is the standard specificity control. The knockout is valuable for studying lung cancer-ECM interactions, β1-integrin-mediated drug resistance, and emerging β1-integrin-targeted cancer therapeutics.

Primary applications: • ECM adhesion: cell adhesion to fibronectin, collagen, and laminin substrates to characterize β1-integrin-dependent ECM engagement. • Cell migration: scratch wound healing and Boyden chamber migration assays given β1-integrin's role in cell motility. • Cancer cell-ECM interactions: 3D culture and invasion assays in ECM-rich matrices given β1-integrin's role in lung cancer progression. • Anti-β1-integrin therapy specificity: critical genetic control for anti-β1-integrin antibodies in cancer drug development. EDITGENE recommends this lung cancer-relevant model for researchers investigating β1-integrin biology, cancer-ECM interactions, and lung cancer mechanism studies.

Yes. ITGB1 rescue experiments require attention to heterodimer formation: • Construct design: use a codon-modified ITGB1 sequence with a small intracellular C-terminal tag (FLAG, HA). ITGB1 has the canonical β-integrin architecture — preserve all elements including the cytoplasmic NPxY motifs for adaptor protein binding. • Surface localization validation: confirm β1-heterodimer surface expression before functional assays. • Ligand-binding-deficient rescue: β-I domain MIDAS site mutations abolish ECM ligand binding. • α-subunit considerations: ITGB1 partners with 12 different α-subunits — rescue interpretation considers α-subunit expression patterns determining ECM ligand specificity. • Functional readout: rescue should restore ECM adhesion and integrin-mediated signaling. A-549 transduces efficiently with lentivirus and supports stable rescue line generation.