EEF1D Knockout HeLa Polyclonal Cells are a CRISPR/Cas9-mediated gene-disrupted cell population generated from the HeLa human cervical adenocarcinoma epithelial cell line. This polyclonal knockout model carries a targeted disruption of the EEF1D locus, resulting in loss of elongation factor 1-delta (eEF1D) function. The polyclonal format provides a diverse genetic background for studying gene function without clonal selection artifacts.
The parental HeLa cell line is an immortalized epithelial cell line derived from a cervical adenocarcinoma and remains one of the most widely used models in biomedical research. HeLa cells exhibit robust growth, are easily transfectable, and have been instrumental in studies of cancer biology, virology, and signal transduction. Their well-characterized karyotype and frequent use in functional genomics experiments make them a reliable host for CRISPR-based gene knockouts, enabling direct comparisons with existing literature.
EEF1D encodes the delta subunit of the eukaryotic elongation factor-1 (eEF-1) complex, which delivers aminoacyl-tRNAs to the ribosome during translational elongation. eEF1D interacts with eEF1A, eEF1B??, eEF1B??, and actin to facilitate protein synthesis. Beyond its canonical role, eEF1D participates in signal transduction by modulating MAPK and NF-??B pathways and is phosphorylated by protein kinase C (PKC) and ribosomal protein S6 kinase (S6K). It also binds viral proteins such as HIV-1 Tat, linking translation to viral replication. eEF1D regulates the translation of downstream targets including p53 and c-Myc, and is implicated in apoptosis through caspase-dependent mechanisms.
In the context of HeLa cells, loss of EEF1D function provides a powerful tool for dissecting its contributions to cervical adenocarcinoma biology. eEF1D is upregulated in several cancers and promotes proliferation, migration, and drug resistance. Its dual role in translation and signaling suggests that the knockout may impair oncogenic protein synthesis and dysregulate pro-survival pathways. Additionally, HeLa cells?? susceptibility to viral infection makes this model valuable for studying eEF1D-mediated virus?Chost interactions, particularly with HIV-1 Tat. This knockout system thus enables researchers to investigate EEF1D-dependent mechanisms in a relevant epithelial cancer background.
Researchers can employ EEF1D Knockout HeLa Polyclonal Cells in functional assays including Western blotting and RT-qPCR for validation of knockout efficiency, RNA-seq for transcriptome-wide analysis, polysome profiling to assess translation rates, and co-immunoprecipitation to probe protein interactions. Functional studies of apoptosis, cell proliferation, migration, and drug sensitivity can be conducted using established protocols. For additional details and ordering information, please contact Ascent Research.