IL6pro-Luc/EF1α-mCherry Reporter Cell Line - A549

IL6pro-Luc/EF1α-mCherry Reporter Cell Line - A549 is a dual-reporter human lung adenocarcinoma cell line designed for sensitive monitoring of interleukin-6 (IL-6) promoter activity. It is generated from A549 cells, an epithelial-like cell model widely used in respiratory biology, inflammation research, and lung cancer studies. In this engineered cell line, firefly luciferase expression is driven by the human IL6 promoter, allowing IL-6 transcriptional activation to be quantified through a luminescence readout. In parallel, mCherry is constitutively expressed under the EF1α promoter and provides a stable fluorescent marker for cell identification, visualization, and assessment of cell number or transduction status. The dual-reporter configuration combines an inducible pathway-responsive signal with a constitutive internal cellular marker, supporting reliable measurement of inflammatory responses in a relevant pulmonary cell background.

This reporter cell line is well-suited for investigating signaling pathways that regulate IL-6 expression, including NF-κB, MAPK, JAK/STAT, and other inflammation-related networks. It can be used to evaluate the impact of cytokines, bacterial or viral components, environmental stimuli, and other pro-inflammatory factors on IL-6 promoter activation. The luciferase-based bioluminescence assay facilitates quantitative and scalable analysis in a multi-well plate format, making it highly effective for compound screening and the characterization of anti-inflammatory drug candidates. The constitutive expression of mCherry simplifies routine culture monitoring, fluorescence imaging, data normalization, and the identification of reporter-positive cells. Potential applications span research into airway inflammation, pulmonary infections, cytokine biology, and tumor-associated inflammation, as well as drug discovery initiatives targeting IL-6-related signaling pathways.