The KIAA1671 Knockout SK-HEP-1 Polyclonal Cells comprise a heterogeneous pool of CRISPR/Cas9-edited SK-HEP-1 cells in which the KIAA1671 gene has been disrupted, generating a loss-of-function model for studying its role in liver adenocarcinoma. This polyclonal knockout cell population is designed to facilitate mechanistic investigations into KIAA1671-dependent cellular processes, leveraging the genetic diversity inherent to a pooled knockout format to reflect population-level responses. The model is particularly suited for probing the gene??s function in actin cytoskeleton organization and its downstream effects on cell adhesion and motility.
The parental SK-HEP-1 cell line is an epithelial adherent line derived from the ascites of a 52-year-old male patient with liver adenocarcinoma. It is widely utilized as a hepatocellular carcinoma (HCC) model due to its malignant properties and retention of key liver cancer characteristics, including anchorage-independent growth and invasive capacity. SK-HEP-1 cells provide a physiologically relevant host for examining tumorigenic pathways and metastatic mechanisms in hepatic cancers, making them a valuable platform for genetic perturbation studies.
KIAA1671 functions as a critical regulator of actin cytoskeletal dynamics, integrating signals from the Rho family GTPases RhoA, Rac1, and CDC42. Upon activation, it promotes filamentous actin (F-actin) assembly and focal adhesion maturation through direct interactions with structural proteins such as actin, filamin A, ??-actinin, and vinculin. Downstream of KIAA1671, the coordinated activity of the ARP2/3 complex, cofilin, and profilin drives lamellipodia formation and cell protrusions essential for adhesion and migration. By mediating these pathways, KIAA1671 controls cell morphology and the ability of cancer cells to attach to and navigate the extracellular matrix.
Disruption of KIAA1671 in the SK-HEP-1 background is anticipated to impair actin cytoskeletal organization, leading to diminished cell-substrate adhesion and reduced migratory and invasive potential. This knockout model therefore serves as a powerful tool for dissecting the contribution of KIAA1671 to hepatocellular carcinoma progression and metastasis. Loss of KIAA1671 function is expected to phenocopy aspects of tumor suppression or metastasis attenuation, enabling researchers to investigate the molecular mechanisms that underlie cancer cell dissemination and to identify vulnerabilities associated with cytoskeletal dysregulation.
This polyclonal knockout pool supports a wide range of experimental applications, including high-resolution immunofluorescence imaging of F-actin architecture, Western blot profiling of KIAA1671 and adhesion markers, and wound healing assays to quantify collective cell migration. Transwell invasion assays provide a robust readout for metastatic behavior, complemented by co-immunoprecipitation and mass spectrometry to map KIAA1671 interaction networks. RNA-seq transcriptome analysis further enables global expression comparisons between knockout and parental cells. For additional details or to discuss project-specific requirements, please contact Ascent Research.
