GSK3A Knockout HT29 Polyclonal Cells are a CRISPR/Cas9-edited polyclonal knockout population derived from HT29 human colorectal adenocarcinoma cells, designed to disrupt glycogen synthase kinase 3 alpha (GSK3A) gene expression. This polyclonal model offers a loss-of-function system to study GSK3A signaling without monoclonal selection, providing a heterogeneous pool of edited cells for robust phenotypic analyses.
HT29 is an epithelial human colon adenocarcinoma cell line that serves as a standard model for colorectal cancer studies, particularly for dissecting Wnt/??-catenin signaling. Its genetic background and ability to respond to pathway modulators make it an ideal host for GSK3A disruption to explore cell proliferation, differentiation, and drug resistance mechanisms.
GSK3A is a serine/threonine kinase that negatively regulates Wnt signaling by phosphorylating ??-catenin within a destruction complex containing AXIN1, APC, and FRAT1, targeting it for degradation. Upstream, WNT ligands such as WNT3A activate Frizzled and LRP5/6 receptors to inhibit this complex via DVL, while AKT-mediated inhibitory phosphorylation also modulates GSK3A activity. Its knockout in this polyclonal HT29 model disrupts complex formation, likely stabilizing ??-catenin to enhance TCF/LEF target gene transcription, including c-MYC and cyclin D1.
In HT29 colorectal cancer cells, where Wnt pathway hyperactivation is common, GSK3A knockout provides a tool to study ??-catenin-driven oncogenic programs and their role in proliferation and differentiation. The polyclonal population allows investigation of GSK3A loss within a heterogeneous genomic context, facilitating studies on drug response and crosstalk with insulin/AKT signaling pathways that converge on ??-catenin regulation.
This knockout model supports applications such as western blotting and ??-catenin reporter assays to quantify ??-catenin levels and transcriptional activity, cell proliferation assays to assess growth effects, co-immunoprecipitation to monitor destruction complex integrity, and immunofluorescence to examine ??-catenin localization. It is suited for colorectal cancer signaling research, Wnt pathway interrogation, and drug resistance studies. For inquiries or ordering, please contact Ascent Research.
