The JADE2 Knockout A-549 Polyclonal Cells consist of a CRISPR/Cas9-edited polyclonal knockout population derived from the human A-549 lung adenocarcinoma line, featuring targeted disruption of the JADE2 gene. This heterogeneous pool of edited cells enables the investigation of JADE2 loss-of-function within a population that mirrors the clonal diversity of tumors, serving as a versatile model for dissecting the roles of the HBO1 histone acetyltransferase complex in cancer biology.
A-549 cells are adherent epithelial cells of type II pneumocyte origin, originally isolated from a 58-year-old Caucasian male with lung adenocarcinoma. They are extensively characterized for studying respiratory diseases, lung cancer biology, and drug metabolism, providing a robust and clinically relevant platform for evaluating genetic perturbations. Their well-defined signaling networks and susceptibility to epigenetic manipulations render them particularly suitable for investigating the functional consequences of JADE2 ablation in a lung adenocarcinoma context.
JADE2 serves as an indispensable scaffold within the HBO1 acetyltransferase complex, physically associating with KAT7, ING4, ING5, MEAF6, and EPC2 to catalyze site-specific acetylation of histone H4 at residues H4K5, H4K8, and H4K12. This acetylation activity is critical for DNA replication licensing at origins and transcriptional activation at gene promoters, with the complex integrating signals from putative upstream E2F transcription factors and cell cycle machinery. Downstream, JADE2-dependent H4 acetylation promotes chromatin remodeling and influences the expression of genes involved in cell proliferation and genomic integrity, positioning JADE2 at the nexus of epigenetic regulation and cell cycle control.
In the A-549 lung adenocarcinoma background, JADE2 knockout is predicted to attenuate histone H4 acetylation, thereby compromising DNA replication licensing and transcriptional programs orchestrated by the HBO1 complex. This epigenetic disruption may manifest as impaired cell cycle progression, reduced proliferation, and altered tumorigenic potential, offering a system to interrogate JADE2-dependent vulnerabilities and epigenetic dysregulation specific to lung cancer. The polyclonal nature captures a spectrum of mutation profiles, enabling the study of dose-response relationships in H4 acetylation and cell behavior.
This product supports a range of research applications, including Western blot analysis of histone H4 acetylation changes, RT-qPCR profiling of JADE2-responsive genes, and ChIP-qPCR for locus-specific H4 acetylation assessment. Moreover, it facilitates cell cycle analysis, proliferation, and colony formation assays to evaluate functional outcomes. It is invaluable for epigenetic regulation studies in lung adenocarcinoma, functional genomics of the HBO1 complex, and identification of JADE2-dependent signaling pathways. For further technical information, please contact Ascent Research.
