The ARHGEF10 Knockout HT29 Polyclonal Cells consist of a CRISPR/Cas9-edited polyclonal population of human HT29 colorectal adenocarcinoma cells with disrupted ARHGEF10 expression. This loss-of-function model avoids clonal selection artifacts and provides a heterogeneous knockout background for studying ARHGEF10-dependent signaling.
The HT29 cell line, derived from a female colorectal adenocarcinoma, maintains epithelial morphology and the capacity to differentiate into enterocyte-like cells. As a widely used intestinal cancer model, HT29 cells are instrumental for investigating colorectal carcinoma biology, including tumor cell behavior and therapeutic responses.
ARHGEF10 functions as a guanine nucleotide exchange factor for RhoA and RhoB, facilitating GDP-GTP exchange and subsequent activation. Upstream signals from EGF, TGF-??, and integrin engagement via FAK stimulate ARHGEF10, which in turn activates ROCK-dependent MLC phosphorylation and actin stress fiber formation. This pathway orchestrates cytoskeletal reorganization, focal adhesion dynamics, and cell migration. Interacting with RhoA, RhoB, F-actin, and microtubules, ARHGEF10 integrates extracellular cues with transcriptional responses mediated by YAP/TAZ and SRF/MRTF. Core pathway components include RhoA, ROCK, MLC, FAK, integrin, and paxillin.
In HT29 colorectal adenocarcinoma cells, ARHGEF10 knockout disrupts Rho GTPase signaling critical for actin dynamics and cell motility. This model allows direct assessment of how loss of ARHGEF10 affects focal adhesion turnover, migration, and invasion??processes central to colorectal cancer progression. By uncoupling upstream receptor inputs from downstream ROCK and YAP/TAZ effectors, the knockout cells serve as a defined system for studying Rho-dependent mechanisms in a disease-relevant epithelial context and for pharmacological evaluation of Rho/ROCK inhibitors.
Typical applications include wound healing and transwell invasion assays to quantify migration, immunofluorescence for F-actin organization, and RhoA GTPase activity measurements. Western blotting for ARHGEF10 and phospho-MLC confirms knockout and signaling impact, while MTT assays assess proliferation. These applications make the polyclonal knockout cells ideal for basic colorectal cancer research, drug discovery targeting Rho/ROCK pathways, and investigations of intestinal epithelial biology. For additional product or technical information, please contact Ascent Research.
