IKZF5 Knockout HeLa Polyclonal Cells are a CRISPR/Cas9-edited polyclonal knockout cell population designed for loss-of-function studies of the IKZF5 gene. Derived from the widely used HeLa cell line, this product provides a heterogeneous pool of cells carrying targeted disruption of IKZF5, enabling robust functional analysis without clonal selection. The polyclonal format preserves population-level diversity while ensuring effective gene knockout, making it suitable for investigating IKZF5-dependent transcriptional repression in a human epithelial context.
The host HeLa cell line is an HPV18-positive human cervical adenocarcinoma epithelial cell line that is immortalized and tumorigenic. As a classic model in cancer research, viral oncology (particularly HPV-mediated transformation), and epithelial cell biology, HeLa cells offer a well-characterized genetic background and reliable growth characteristics, facilitating reproducible experiments in transcriptional regulation, signal transduction, and cell fate determination.
IKZF5 functions as a transcriptional repressor by recruiting chromatin remodeling complexes, notably the NuRD complex containing HDAC1 and MTA2, to target gene promoters, thereby silencing transcription. It operates downstream of Notch signaling via the Notch intracellular domain (NICD) and TGF-??/SMAD pathways, and is regulated by cytokine receptors (IL-2R, IL-7R) and CK2 kinase. IKZF5 interacts with IKZF1 (Ikaros), IKZF3 (Aiolos), CTBP1, and PIAS1 to coordinately repress genes such as CDKN1A (p21), BCL2L11 (BIM), IL2RA (CD25), MYC, and GATA3, thereby controlling cell cycle progression, apoptosis, and immune cell development. Dysregulation of this network is implicated in hematologic malignancies, primary immunodeficiency, and autoimmune lymphoproliferative syndrome.
In the HeLa epithelial background, IKZF5 knockout provides a unique tool to dissect its transcriptional repressor functions outside of hematopoietic lineages, focusing on NuRD-mediated chromatin remodeling and crosstalk between Notch and TGF-?? pathways in carcinoma cells. This model enables investigation of how IKZF5 influences proliferation, survival, and gene expression programs relevant to cancer biology, offering insights into the molecular mechanisms underlying tumorigenesis and potential therapeutic vulnerabilities.
Researchers can employ these polyclonal knockout cells in a variety of assays, including Western blotting and RT-qPCR for confirming IKZF5 disruption, RNA-seq for transcriptome-wide profiling, ChIP-qPCR for target gene binding analysis, and reporter assays for transcriptional activity. Functional phenotypes can be assessed via proliferation assays, apoptosis assays, and flow cytometric cell cycle analysis, supporting applications in drug target validation, functional genomics, and signaling pathway dissection. For further information or custom inquiries, please contact Ascent Research.
