The ADAMTS14 Knockout HeLa Polyclonal Cells are a CRISPR/Cas9-edited polyclonal knockout cell population derived from HeLa cells, featuring disruption of the ADAMTS14 gene. This model provides a versatile loss-of-function system for studying the secreted metalloprotease ADAMTS14 in extracellular matrix biology and cancer research, while preserving genetic heterogeneity inherent to polyclonal populations.
HeLa cells, originally derived from a cervical adenocarcinoma and immortalized for continuous culture, represent a foundational model in cancer biology and ECM research. Their epithelial morphology, rapid proliferation, and extensive genetic characterization enable reproducible experiments, while their neoplastic background provides a relevant context for investigating ADAMTS14??s role in tumor progression and matrix remodeling.
ADAMTS14 is a secreted metalloprotease with procollagen N-proteinase activity, essential for processing fibrillar procollagens I, II, and III into mature collagen. This maturation step is critical for proper ECM assembly and tissue tensile strength. ADAMTS14 is regulated by TGFB1, IL1B, and mechanical loading, and functions within a network that includes the inhibitor TIMP3 and downstream integrin-mediated signaling. By generating mature collagen ligands, ADAMTS14 modulates cell adhesion, migration, and ECM biomechanics. Disruption of ADAMTS14 in this model halts procollagen conversion, enabling dissection of consequences on collagen fibrillogenesis and cellular behavior.
Within the HeLa host, ADAMTS14 knockout provides insight into tumor microenvironment interactions and metastatic mechanisms. Elevated ADAMTS14 expression correlates with aggressive phenotypes in cervical, breast, and colorectal carcinomas, making this model useful for studying its pro-tumorigenic functions. The polyclonal knockout population avoids clonal skewing, better reflecting the heterogeneity of cancer cell populations. Researchers can examine ADAMTS14??s impact on ECM degradation, cell motility, and secretome composition, and perform rescue experiments to validate downstream targets and signaling pathways.
Key applications include western blotting to monitor procollagen processing, immunofluorescence visualization of collagen fibril organization, and functional assays such as collagen gel contraction and transwell migration/invasion. This product is valuable for fibrosis studies, skin fragility disease modeling, and screening for modulators of ECM homeostasis and cancer invasion. For technical support and ordering, contact Ascent Research.
