The KCTD15 Knockout A-549 Polyclonal Cells represent a CRISPR/Cas9-edited polyclonal knockout cell population derived from the A-549 human lung adenocarcinoma cell line. This product consists of a heterogeneous pool of cells carrying targeted disruption of the KCTD15 gene, providing a versatile loss-of-function model for investigating KCTD15-dependent biological processes without the limitations of monoclonal selection.
The A-549 host cell line originates from a human lung adenocarcinoma and is characterized by alveolar Type II epithelial features. Widely used in cancer biology, toxicology, and respiratory disease research, A-549 cells offer a robust and well-characterized epithelial platform. Their established signaling networks and genetic tractability make them particularly suitable for dissecting the roles of Hedgehog pathway components and ubiquitin ligase adaptors in a disease-relevant context.
KCTD15 functions as a substrate adaptor for the CUL3-RING E3 ubiquitin ligase complex, recruiting specific proteins such as FOXD3 for ubiquitination and subsequent proteasomal degradation. It operates as a negative regulator of neural crest development and Hedgehog signaling by modulating the activity of GLI transcription factors. KCTD15 is regulated by upstream factors including TFAP2A and GLI1, and it interacts directly with CUL3 and other members of the KCTD family. Key molecular components of its signaling environment encompass SHH, PTCH1, SMO, GLI1, CUL3, and RBX1, placing KCTD15 at a critical intersection of developmental signaling and protein homeostasis.
In the A-549 cellular context, KCTD15 knockout enables systematic examination of Hedgehog pathway dynamics and CUL3-dependent ubiquitination within an epithelial cancer model. Given that Hedgehog signaling contributes to tumor cell proliferation and migration, disruption of KCTD15 may alter GLI1-mediated transcriptional outputs and substrate stability. This polyclonal knockout system is thus valuable for exploring how loss of the adaptor function influences ubiquitin ligase activity and downstream signaling, shedding light on mechanisms that could link Hedgehog regulation to lung adenocarcinoma progression.
This product supports diverse research applications, including obesity and metabolic syndrome studies, neural crest development analysis, and detailed Hedgehog pathway investigation. Typical experimental approaches involve GLI1 luciferase reporter assays to quantify pathway activity, co-immunoprecipitation to assess CUL3 complex formation, and ubiquitination assays to monitor substrate turnover. In addition, functional assays such as cell proliferation and migration studies can be employed to evaluate the phenotypic consequences of KCTD15 loss in a cancer background. For further information or custom inquiries, please contact Ascent Research.
