The CAV2 Knockout AGS Polyclonal Cells are a CRISPR/Cas9-edited polyclonal knockout population derived from the AGS human gastric adenocarcinoma epithelial cell line (Homo sapiens). This heterogeneous pool carries targeted CAV2 gene disruption, offering a loss-of-function model to interrogate caveolin-2 biology while avoiding artifacts associated with single-cell cloning. It enables analysis of caveolin-2 deficiency in a physiologically relevant gastric epithelial context.
The parental AGS cell line is a classic model of gastric adenocarcinoma, originally established from a patient tumor. These cells retain epithelial morphology and key mucosal functions including secretory activity, barrier integrity, and responsiveness to microbial and inflammatory stimuli. Widely employed in H. pylori infection research, oncogenic signaling dissection, and drug response profiling, AGS cells offer robust in vitro growth and compatibility with diverse cellular and biochemical assays, establishing a reliable platform for targeted gene knockout studies.
Caveolin-2 is a scaffolding protein that, together with caveolin-1, forms hetero-oligomeric complexes essential for caveolae biogenesis and plasma membrane microdomain organization. It compartmentalizes signaling molecules, with expression transcriptionally controlled by upstream regulators SREBP, cholesterol levels, PPAR??, EGF, and TGF-??. Through direct physical interactions with caveolin-1, Src, Ras, EGFR, integrins, and heterotrimeric G-proteins, it modulates key downstream effectors including the MAPK cascade (ERK1/2), PI3K/Akt signaling, Rho GTPases, eNOS, and Src family kinases. By regulating these factors, CAV2 influences cell proliferation, migration, and survival, and functionally connects caveolae-mediated endocytosis and cholesterol metabolism to focal adhesion dynamics.
Within the AGS gastric microenvironment, CAV2 disruption allows detailed dissection of its contributions to tumorigenesis and H. pylori pathogenesis. Caveolin-2 intersects with MAPK/ERK and PI3K/Akt pathways??frequently hyperactivated in gastric cancer??making the knockout model valuable for investigating mechanisms of uncontrolled proliferation, apoptosis resistance, and invasive behavior. It also provides a direct tool to evaluate how caveolin-2 modulates epithelial responses to growth factors EGF and TGF-??, critical drivers of gastric cancer progression and metastasis.
Typical research applications encompass gastric cancer biology, H. pylori infection mechanisms, signal transduction pathway analysis, drug resistance studies, and caveolae function in epithelial cells. The knockout cell pool supports a wide range of biochemical and imaging assays including Western blotting, immunofluorescence, co-immunoprecipitation, RT-qPCR, cell migration and invasion assays, flow cytometry, and phospho-ERK/Akt analysis. These approaches enable quantitative assessment of caveolin-2-dependent alterations in protein expression, subcellular localization, and signaling activity. For product specifications and technical inquiries, please contact Ascent Research.
