ADAMTS14 Knockout 143B Polyclonal Cells are a CRISPR/Cas9-edited polyclonal knockout cell population derived from the human 143B osteosarcoma cell line, engineered to disrupt the ADAMTS14 gene. This product provides a heterogeneous pool of cells carrying diverse loss-of-function mutations at the ADAMTS14 locus, enabling population-level studies of ADAMTS14-dependent processes without clonal selection bias. The polyclonal format preserves genetic variability while effectively eliminating functional ADAMTS14 expression, making it suitable for robust investigation of protease-mediated extracellular matrix remodeling in a bone cancer context.
The parental 143B cell line is a widely used human osteosarcoma model characterized by high tumorigenicity and invasive capacity, underpinned by active extracellular matrix remodeling. Derived from a bone tumor, 143B cells are particularly relevant for studying protease functions that contribute to bone destruction and cancer cell dissemination. This background provides an ideal platform to interrogate ADAMTS14??s role in musculoskeletal disease, as these cells recapitulate key aspects of osteosarcoma pathology and matrix-dependent signaling.
ADAMTS14 encodes a secreted metalloprotease that processes procollagens I and II and interacts with fibronectin and integrins to modulate matrix organization. The protease is regulated by upstream signals including TGF-?? and Wnt, functioning downstream to cleave fibrillar procollagens and facilitate collagen assembly. Knockout of ADAMTS14 disrupts procollagen processing, potentially leading to altered matrix composition and impaired integrin-mediated adhesion and migration signaling. Key interacting factors??collagen I, fibronectin, and integrins??link ADAMTS14 to matrix organization and mechanotransduction pathways involving MMPs.
In the 143B osteosarcoma context, ADAMTS14 knockout creates a model to dissect how loss of procollagen processing affects tumor cell behavior. Since 143B cells depend on efficient ECM remodeling for invasion and metastasis, ADAMTS14 disruption may compromise their ability to degrade and navigate the bone microenvironment. This model allows examination of the functional interplay between ADAMTS14, collagen processing, and integrin signaling in regulating cell motility and matrix interactions, offering insights into potential therapeutic targets in musculoskeletal malignancies.
Research applications include cancer invasion and metastasis studies, extracellular matrix biology, bone tumor investigations, and protease function analysis. Standard assays such as western blotting, RT-qPCR, immunofluorescence, collagen zymography, and migration assays are suited to characterize ADAMTS14 disruption and its phenotypic consequences. The polyclonal design enables assessment of average population effects, making it valuable for drug target validation and pathway dissection. For technical details, contact Ascent Research.
