The CCHCR1 Knockout HeLa Polyclonal Cells comprise a CRISPR/Cas9-edited human cell model in which the CCHCR1 gene has been disrupted, yielding a heterogeneous polyclonal population with diverse loss-of-function alleles. This format avoids clonal selection artifacts and provides a robust system for studying CCHCR1-related phenotypes directly in a mammalian epithelial context. The polyclonal nature ensures representation of a broad spectrum of functional knockouts, making it suitable for pooled functional genomics and population-level assays.
HeLa cells are an immortalized human cervical adenocarcinoma line, originally derived from Henrietta Lacks, and have served as a cornerstone of biomedical research for decades. Their epithelial origin preserves key characteristics such as adhesion, proliferation, and cytoskeletal architecture, including well-developed keratin intermediate filament networks. HeLa cells are highly amenable to genetic manipulation and exhibit stable growth, making them an ideal host for analyzing genes involved in cell cycle control and cytoskeletal dynamics.
CCHCR1 encodes a coiled-coil protein that localizes to both centrosomes and keratin intermediate filaments, where it orchestrates cell cycle progression and cytoskeletal organization. Its expression is induced by proinflammatory cytokines such as TNF-??, IL-17, and IFN-??, and it functions downstream of cellular stress signals. CCHCR1 protein directly interacts with KRT10, PCM1, ??-tubulin, and Cep131, linking keratin filaments to microtubule-organizing centers. Downstream, CCHCR1 influences the levels of Cyclin D1 and components of the p53 pathway, as well as keratinocyte-specific differentiation markers KRT6 and KRT16. Disruption of CCHCR1 leads to centrosome dysfunction, altered cell cycle distribution, and impaired keratin network integrity, collectively affecting proliferation and adhesion.
In the HeLa carcinoma background, CCHCR1 knockout provides a relevant model for investigating the molecular basis of psoriasis and related hyperproliferative skin disorders. The centrosome?Ccytoskeleton crosstalk mediated by CCHCR1 is critical for epithelial homeostasis, and its loss mimics aspects of keratinocyte pathology seen in disease states. This model enables dissection of how centrosomal proteins influence epithelial cell migration, invasion, and response to extracellular signals, thereby offering insights into both cancer biology and inflammatory skin conditions.
This polyclonal knockout product is suitable for a wide array of experimental applications. Researchers can perform cell cycle analysis via flow cytometry, visualize centrosome and keratin filament structures by immunofluorescence, assess proliferation with EdU/MTT assays, and monitor migration and invasion in Boyden chamber setups. Transcriptional profiling by RNA-seq can reveal global changes upon CCHCR1 loss, while co-immunoprecipitation and Western blotting validate protein interactions and expression changes of downstream targets. These cells serve as a powerful platform for drug target validation in psoriasis and for screening modulators of keratinocyte biology. For detailed technical inquiries, please contact Ascent Research.
