This product comprises a CRISPR/Cas9-edited polyclonal knockout cell population targeting the HMGN3 gene in SK-HEP-1 cells. The knockout model is derived through CRISPR/Cas9-mediated gene disruption, resulting in a loss-of-function context for the HMGN3 chromatin architectural protein. The polyclonal format provides a heterogeneous population of edited cells, enabling robust assessment of gene function across diverse genetic backgrounds without single-cell clonal selection. This population is intended for researchers investigating chromatin dynamics and transcriptional control in hepatocellular carcinoma models.
The parental SK-HEP-1 cell line originates from a human liver adenocarcinoma and exhibits epithelial morphology. Despite an initial misclassification as endothelial, SK-HEP-1 is now recognized as a widely used in vitro model for hepatocellular carcinoma research. This host cell line maintains key oncogenic traits relevant to liver cancer, making it a suitable platform for studying tumor biology, drug responses, and molecular mechanisms underlying hepatocarcinogenesis. Its adherent growth properties and established culture protocols facilitate experimental manipulation and assay development.
HMGN3 functions as a chromatin architectural protein that binds to nucleosomes and competes with linker histone H1, thereby promoting decondensed chromatin and increased transcriptional activity. Knockout of HMGN3 leads to altered chromatin structure and global transcriptional changes. Mechanistically, HMGN3 is implicated in the Wnt signaling pathway, where its chromatin remodeling activity influences the expression of Wnt target genes. Representative pathway components include beta-catenin and TCF/LEF transcription factors, which mediate Wnt-dependent gene expression. HMGN3 interacts with nucleosomes and chromatin remodeling complexes, linking chromatin dynamics to signal-responsive transcription. Downstream effects of HMGN3 loss include modulation of Wnt target gene levels, potentially affecting oncogenic phenotypes through altered transcriptional networks.
Knockout of HMGN3 in the SK-HEP-1 liver adenocarcinoma background enables direct interrogation of chromatin-mediated regulation in hepatocellular carcinoma. Given the relevance of epigenetic dysregulation in cancer, this model permits the systematic analysis of how HMGN3-dependent chromatin changes influence malignant characteristics such as proliferation, migration, and apoptosis. The polyclonal knockout population is particularly suited for studying heterogeneous tumor cell responses and for pharmacogenomic screening, as it reflects a broader spectrum of genetic and epigenetic states. Thus, it serves as a valuable tool for dissecting the interplay between chromatin architecture and oncogenic signaling in liver cancer.
Researchers can employ this HMGN3 knockout model in diverse functional assays, including RNA-seq for transcriptome-wide profiling, ChIP-qPCR to assess chromatin occupancy, and western blotting or RT-qPCR for specific gene expression changes. Cellular phenotypic analyses such as MTT assays for viability, flow cytometry for cycle or apoptosis analysis, and migration/invasion assays further elucidate the role of HMGN3 in hepatocellular carcinoma aggressiveness. This polyclonal knockout population is also compatible with drug sensitivity studies to evaluate chromatin-targeted therapies. For further details, please contact Ascent Research.
