The DSC2 Knockout A-549 Polyclonal Cells represent a CRISPR/Cas9-edited polyclonal knockout cell population for the DSC2 gene in human A-549 cells. This loss-of-function model is generated through CRISPR/Cas9-mediated gene disruption, providing a heterogeneous pool ideal for studying desmocollin-2 biology without clonal selection bias. The polyclonal format supports population-level analyses in functional genomics, signal transduction, and drug discovery applications, making it a versatile tool for investigating DSC2-dependent processes in an epithelial adenocarcinoma context.
The A-549 cell line is a widely used human lung adenocarcinoma epithelial model derived from a 58-year-old Caucasian male. These cells exhibit an epithelial phenotype and are a standard in vitro system for studying respiratory epithelium biology, cancer metastasis, and drug resistance. A-549 cells express key adenocarcinoma markers and support robust CRISPR-based editing, providing a well-characterized host for knockout studies. Their adherent growth and defined signaling pathways make them ideal for investigating gene function in lung adenocarcinoma progression and EMT.
DSC2 encodes desmocollin-2, a calcium-dependent cadherin that mediates desmosomal cell-cell adhesion by interacting with desmogleins and linking to keratin filaments via plakoglobin and desmoplakin. DSC2 knockout disrupts these adhesive complexes, potentially releasing junctional plakoglobin and ??-catenin to modulate Wnt/??-catenin signaling. Upstream regulators include calcium, EGF, TGF-??, and p63, while downstream targets encompass plakoglobin, desmoplakin, and Rho GTPases. DSC2 interfaces with EMT pathways, affecting migration and invasion. In A-549 cells, DSC2 loss alters adhesion-signaling balance, offering a tool to dissect desmosome-dependent pathways.
In A-549 lung adenocarcinoma cells, DSC2 knockout explores the interplay between desmosomal adhesion and oncogenic signaling. These cells normally express desmosomal components; DSC2 disruption mimics aspects of desmosome-related diseases like arrhythmogenic right ventricular cardiomyopathy and skin fragility. The polyclonal pool captures editing heterogeneity, enabling assessment of population effects on EMT, migration, and drug response. This model is valuable for studying how loss of cell adhesion molecules promotes tumor progression and metastasis in lung adenocarcinoma.
This DSC2 knockout A-549 polyclonal cell pool is suited for cardiac disease modeling, EMT studies, and cancer metastasis research. Representative assays include western blotting for plakoglobin and desmoplakin, immunofluorescence of junctional markers, migration and invasion assays, barrier integrity measurements, and ??-catenin reporter assays. Calcium switch assays probe desmosome assembly. The knockout model enables drug screening for desmosome-related disorders and functional interrogation of Wnt/??-catenin signaling. For further information or custom services, please contact Ascent Research.
