The ITPKA Knockout HeLa Polyclonal Cells product offers a CRISPR/Cas9-edited polyclonal knockout cell population in which the ITPKA gene has been disrupted, creating a loss-of-function model for investigating inositol-trisphosphate 3-kinase A function in human cervical adenocarcinoma cells. This polyclonal knockout approach avoids the biases of single-cell cloning, preserving natural genetic heterogeneity within the HeLa background while ensuring robust target-gene disruption across the cell population.
HeLa cells are an immortalized human cervical adenocarcinoma cell line of epithelial origin, widely employed in biomedical research for dissecting cancer biology, signal transduction, and cytoskeletal dynamics. Their rapid proliferation, genetic accessibility, and well-characterized EGFR and GPCR signaling pathways make them an ideal host for studying proteins involved in cell migration, invasion, and calcium-dependent processes.
ITPKA encodes the enzyme inositol-trisphosphate 3-kinase A, which phosphorylates the second messenger InsP3 to generate InsP4, thereby modulating intracellular calcium release and actin cytoskeleton organization. The kinase is activated by calmodulin and calcium downstream of EGFR and GPCR agonists, with Src kinase participating in its activation. ITPKA directly binds F-actin and, via InsP4 production, influences F-actin networks, linking growth factor signaling to the cell migration machinery. Its interactions with calmodulin, InsP3, and F-actin place ITPKA at a signaling intersection that coordinates calcium oscillations with actin remodeling.
In the HeLa cellular context, disruption of ITPKA perturbs the InsP3/Ca2+ signaling axis and actin regulatory pathways, providing a powerful tool to examine mechanisms underlying cancer cell migration and metastasis. The loss of ITPKA is predicted to alter EGFR-driven signaling outputs and cytoskeletal reorganization, events critical for invasive phenotypes. The polyclonal population mitigates clonal variability, ensuring that observed functional consequences reflect ITPKA deficiency rather than genetic drift, making it suitable for reproducible population-level migration and invasion studies.
This knockout model is ideal for transwell migration and invasion assays, calcium imaging experiments, and phospho-signaling analysis to evaluate ITPKA??s role in metastatic processes. Researchers can also employ actin polymerization assays and high-content imaging to study cytoskeletal dynamics upon loss of ITPKA. In drug discovery, these cells serve as a metastatic target validation platform, enabling screening of inhibitors that block ITPKA-dependent signaling. For technical inquiries or to request a quote, please contact Ascent Research.