EEIG2 Knockout HeLa Polyclonal Cells constitute a CRISPR/Cas9-edited polyclonal knockout cell population derived from the HeLa human cervical carcinoma cell line. This product features targeted disruption of the EEIG2 gene, generating a heterogeneous pool of loss-of-function cells. The polyclonal format preserves diverse genetic backgrounds, enabling robust functional studies while mitigating clonal selection artifacts. The knockout model provides a reliable platform for investigating EEIG2-dependent biological processes in an estrogen-responsive cellular context.
The host HeLa cell line is an HPV18-positive human cervical adenocarcinoma epithelial line, widely utilized as a model system for cancer biology and hormone signaling. HeLa cells express functional estrogen receptors (ER?? and ER??), making them responsive to estrogen stimulation and suitable for studying estrogen-mediated gene regulation. Their adherent growth, rapid proliferation, and well-characterized genetic landscape facilitate reproducible experimental outcomes in gene perturbation studies.
EEIG2 is an estrogen-induced gene that plays a critical role in promoting cell proliferation and migration. It functions downstream of estrogen receptor signaling, activated by estradiol-bound ER?? and ER??. EEIG2 interacts with the estrogen receptor transcriptional complex and nuclear receptor coactivators to drive expression of key downstream targets, including Cyclin D1 and c-Myc, which orchestrate cell cycle progression. Mechanistically, EEIG2 mediates signaling through the MAPK/ERK pathway, involving ERK1/2 phosphorylation, and the PI3K/AKT pathway, leading to AKT and mTOR activation. Disruption of EEIG2 disrupts these mitogenic and migratory signals, attenuating estrogen-driven cellular responses.
In the HeLa cell context, EEIG2 knockout is expected to reduce estrogen-dependent proliferative and metastatic potential, given the constitutive estrogen receptor activity in these cells. This model is particularly relevant for research on cervical cancer and other hormone-dependent cancers, where estrogen signaling drives tumor progression. The knockout system may reveal vulnerabilities in hormone therapy resistance by uncoupling EEIG2-mediated growth signaling. Additionally, the dysregulation of Cyclin D1 and c-Myc downstream offers insight into cell cycle aberrations common in malignancies.
Typical applications include estrogen signaling studies, cancer cell proliferation and migration research, and functional genomics of cervical cancer. Researchers can employ western blotting and RT-qPCR to confirm EEIG2 loss and assess pathway alterations. Proliferation assays (MTT/CCK-8), colony formation assays, and migration/invasion assays quantify functional impacts. Cell cycle analysis via flow cytometry further delineates EEIG2??s role in cycle regulation. This knockout population is an invaluable tool for dissecting hormone-dependent oncogenic mechanisms. For further details or ordering information, please contact Ascent Research.
