The KLC1 Knockout SK-HEP-1 Polyclonal Cells product offers a CRISPR/Cas9-edited polyclonal knockout cell population derived from the human SK-HEP-1 cell line. This polyclonal pool contains a heterogeneous mix of KLC1 gene disruptions, enabling loss-of-function studies of the kinesin-1 light chain subunit. The polyclonal format provides a robust population-level model for investigating KLC1-dependent processes without the clonal variability associated with single-cell-derived knockouts.
SK-HEP-1 is a widely used human hepatic adenocarcinoma cell line originally derived from the ascites of a patient with liver adenocarcinoma. This cell line exhibits endothelial-like morphology and markers, making it a valuable model for both hepatocellular carcinoma biology and endothelial cell function. The dual hepatic and endothelial characteristics of SK-HEP-1 allow researchers to explore tumor cell behavior and tumor?Cendothelial interactions in a single cellular background.
KLC1 encodes a light chain subunit of the kinesin-1 motor complex, which is essential for microtubule-based intracellular transport. KLC1 binds cargo adaptors??such as JIP1, Alcadein, and APP??and associates with the heavy chain KIF5B to drive anterograde transport of vesicles, lysosomes, and mitochondria. Its activity is regulated by upstream kinases including GSK3??, and it participates in Wnt and JNK signaling pathways. Through interactions with Rab GTPases, KLC1 modulates lysosome positioning, mitochondrial distribution, and cell migration, thereby influencing organelle dynamics and cellular motility.
In the SK-HEP-1 background, KLC1 knockout provides a unique tool to dissect kinesin-1-mediated trafficking in cells that mimic hepatocellular carcinoma and sinusoidal endothelium. Disruption of KLC1 expression is expected to impair the transport of critical cargoes, potentially affecting metastatic behaviors such as cell migration and invasion. This model is particularly relevant for studying how kinesin-1-dependent organelle positioning contributes to hepatocellular carcinoma progression and for evaluating the role of endothelial-like transport processes in the tumor microenvironment.
Typical applications include assessing the impact of KLC1 loss on cancer cell motility using wound healing and transwell migration assays, analyzing lysosome and mitochondria distribution by immunofluorescence, and validating kinesin-1 complex integrity via co-immunoprecipitation of KIF5B and JIP1. This knockout cell population is also suitable for live-cell imaging of vesicle trafficking and for screening small-molecule modulators of microtubule-based transport. For additional technical details, please contact Ascent Research.
