The CAVIN1 Knockout HeLa Polyclonal Cells represent a CRISPR/Cas9-edited polyclonal knockout cell population targeting the CAVIN1 gene (also known as PTRF) in the human HeLa cell line. This polyclonal population provides a heterogeneous knockout model with disrupted CAVIN1 expression, enabling studies of caveolae-dependent processes without clonal selection artifacts. The product is supplied as a polyclonal pool, ensuring representation of diverse editing outcomes across the cell population.
The host HeLa cell line is an immortalized epithelial cell line derived from a cervical adenocarcinoma taken from Henrietta Lacks in 1951. It serves as a widely adopted model system in cancer biology, cell signaling, and drug development due to its robust growth characteristics and extensive characterization. HeLa cells naturally form caveolae, making them a relevant model for investigating the structural and functional roles of caveolar components like CAVIN1.
CAVIN1/PTRF is a core structural protein essential for caveolae formation and stabilization. It interacts directly with caveolin-1, cavin-2, cavin-3, EHD2, actin, and filamin A to orchestrate caveolar assembly. CAVIN1 knockout eliminates caveolae, disrupting caveolae-mediated endocytosis and lipid homeostasis. Mechanistically, CAVIN1 functions downstream of insulin, TGF-??, and mechanical stress, and upstream of caveolin-1, EGFR, MAPK, RhoA, and Akt. It is transcriptionally regulated by FOXO, PPAR, and EGR1. Loss of CAVIN1 impairs insulin signaling, TGF-?? signaling, and mechanotransduction, with broad implications for lipid metabolism and signal compartmentalization.
In the HeLa cervical adenocarcinoma context, knockout of CAVIN1 provides insights into cancer cell biology, particularly how caveolae influence oncogenic signaling, endocytic trafficking, and metastatic behavior. Because HeLa cells are highly proliferative and harbor HPV-derived oncoproteins, the CAVIN1 knockout model allows dissection of caveolae-dependent versus -independent pathways in processes such as cell migration, invasion, and drug uptake. This model is relevant for studying caveolinopathies and diseases linked to CAVIN1 dysfunction, including lipodystrophy, muscular dystrophy, and cardiac arrhythmias.
This polyclonal knockout model is suitable for a broad range of experimental applications. Researchers can employ it to investigate caveolae function in cancer progression, lipid uptake and metabolism, mechanotransduction pathways, and endocytosis of therapeutic agents. Representative assays include western blotting and immunofluorescence microscopy to assess protein expression and localization, RT-qPCR for transcript analysis, endocytosis assays with fluorescent ligands, co-immunoprecipitation to probe protein interactions, cell migration and invasion assays, lipid uptake assays, and phospho-signaling analysis of MAPK, Akt, and other effectors. For additional product specifications and technical support, please contact Ascent Research.
