The KRT72 Knockout A-549 Polyclonal Cells represent a CRISPR/Cas9-edited polyclonal knockout cell population in the A-549 human lung adenocarcinoma cell line. This product offers a heterogeneous pool of edited cells with disruption of the KRT72 gene, achieved through CRISPR/Cas9-mediated gene targeting. The polyclonal format preserves diverse genetic backgrounds while enabling robust loss-of-function analysis of KRT72. This cell population is suitable for researchers studying keratin biology and lung cancer progression.
The A-549 host cell line is an immortalized epithelial cell line derived from a 58-year-old Caucasian male with lung adenocarcinoma. It displays adherent morphology and wild-type EGFR expression, and is widely employed as a model for human lung adenocarcinoma, particularly in studies of cancer biology, drug metabolism, and respiratory disease. The well-characterized nature of A-549 cells makes them a reliable platform for investigating gene function and therapeutic responses in non-small cell lung cancer (NSCLC).
KRT72 encodes a type II keratin intermediate filament protein that assembles into cytoskeletal networks by pairing with type I keratins such as KRT71. In epithelial cells, KRT72 is implicated in maintaining structural integrity and regulating cell motility. Its expression is governed by upstream regulators including p63, AP-1, EGF, and TGF-?? signaling, while it functionally interacts with desmosomal proteins like Desmoplakin and Plakoglobin, and modulates downstream effectors such as FAK and Src kinases. KRT72 thereby influences focal adhesion dynamics and epithelial-mesenchymal transition (EMT) programs, with potential crosstalk to E-cadherin and Vimentin expression.
In the context of A-549 lung adenocarcinoma cells, disruption of KRT72 provides a powerful tool to dissect its contributions to cancer cell migration, invasion, and cytoskeletal reorganization. Given the involvement of keratin networks in EMT??a process central to metastasis??this knockout model enables the interrogation of KRT72??s role in modulating cellular plasticity and drug sensitivity. Researchers can utilize this system to explore how loss of KRT72 affects the balance between epithelial and mesenchymal states, as well as focal adhesion signaling cascades critical for metastatic dissemination.
Typical research applications for these polyclonal knockout cells include functional studies of KRT72 in NSCLC progression, detailed analysis of EMT and metastasis mechanisms, and cytoskeletal remodeling investigations. They are compatible with a range of experimental assays such as Western blotting, RT-qPCR, immunofluorescence, Transwell migration, and wound healing assays. Moreover, these cells can be employed in global transcriptomic analyses via RNA-seq, phospho-signaling profiling to assess FAK/Src activity, and drug sensitivity screens to evaluate responses to targeted therapies. For inquiries and ordering, contact Ascent Research.
