The Mgst2 Knockout RAW 264.7 Cell Line is a CRISPR/Cas9-edited knockout cell line derived from the murine macrophage RAW 264.7 background, engineered for targeted disruption of the Mgst2 gene. This product provides a stable loss-of-function model in a macrophage context, enabling investigation of MGST2-mediated processes without relying on transient suppression methods. The cell line is supplied as a live, proliferating culture and is suitable for a range of downstream assays in cellular biochemistry, immunology, and pharmacological research.
RAW 264.7 cells are a widely used macrophage model established from a BALB/c mouse tumor induced by Abelson murine leukemia virus. They exhibit many characteristics of mature macrophages, including phagocytic activity, responsiveness to bacterial lipopolysaccharide (LPS), and the ability to produce a broad array of inflammatory mediators. This host cell line is extensively employed in studies of monocyte/macrophage biology, innate immunity, and inflammation, making it an appropriate platform for examining the contributions of MGST2 to macrophage effector functions.
Mgst2 encodes microsomal glutathione S-transferase 2, a member of the MAPEG protein family that catalyzes the conjugation of reduced glutathione to leukotriene A4 to generate leukotriene C4 (LTC4). LTC4 is a potent cysteinyl leukotriene that signals through CysLTR1 and CysLTR2 receptors, promoting pro-inflammatory responses. MGST2 activity is regulated by transcription factors such as Nrf2, NF-??B, and AP-1, and its expression can be induced by LPS and cytokines including IL-1?? and TNF-??. The enzyme functions downstream of 5-lipoxygenase (ALOX5) and its activating protein FLAP, which supply the unstable leukotriene A4 intermediate. Disruption of Mgst2 is expected to block LTC4 synthesis, thereby attenuating cysteinyl leukotriene receptor signaling and altering downstream effectors like IL-6, MCP-1, and redox-sensitive molecules.
In the RAW 264.7 macrophage context, knockout of Mgst2 represents a valuable tool for dissecting the role of endogenous leukotriene C4 production in inflammatory and oxidative stress responses. This model allows researchers to delineate MGST2-dependent versus MGST2-independent pathways in macrophage activation, eicosanoid metabolism, and glutathione utilization. The cell line also serves as a platform for studying the crosstalk between leukotriene biosynthesis and other inflammatory mediator networks, including cytokine and chemokine production, under defined experimental conditions.
Typical research applications include quantifying LTC4 by ELISA or LC-MS to validate metabolic disruption, profiling inflammatory cytokine secretion via multiplex assays, and performing Western blotting or RT-qPCR to assess pathway alterations. Additional studies may involve flow cytometric analysis of macrophage activation markers, reactive oxygen species (ROS) detection, glutathione assays, or functional assays such as phagocytosis and migration. This knockout model supports investigations into inflammatory diseases, asthma, allergic disorders, and oxidative stress-related pathologies, as well as basic studies of macrophage biology and drug metabolism. For further details or technical support, please contact Ascent Research.
