RAW-Lucia™ ISG-KO-TBK1 Cells
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Murine RAW 264.7 macrophages - TBK1 Knockout IRF-reporter cells
3-7 x 10e6 cells
TBK1 Knockout IRF-Inducible Lucia luciferase reporter mouse macrophages
RAW-Lucia™ ISG-KO-TBK1 cells were generated from the RAW-Lucia™ ISG cell line, which is derived from the murine RAW 264.7 macrophage cell line, through the stable knockout of the TBK1 gene. TBK1 (TANK-Binding Kinase 1) functions as a key node protein in several cell signaling pathways, including innate immune response, cell growth and proliferation.
RAW-Lucia™ ISG-KO-TBK1 and RAW-Lucia™ ISG cells express a secreted reporter gene, Lucia luciferase, under the control of the I-ISG54 promoter which is comprised of the IFN-inducible ISG54 promoter enhanced by a multimeric ISRE.
RAW-Lucia™ ISG-KO-TBK1 and RAW-Lucia™ ISG cells can be used to study the role of TBK1 by monitoring IRF-induced Lucia luciferase activity. The levels of IRF-induced Lucia in the cell culture supernatant can be easily monitored using QUANTI-Luc™, a Lucia luciferase detection reagent.
The response of RAW‑Lucia™ ISG-KO-TBK1 cells to murine type I interferons (IFNs) is unaffected by the knockout of the TBK-1 gene. As expected, RAW‑Lucia™ ISG-KO-TBK1 cells do not respond to cyclic dinucleotides (e.g. 2'3'-cGAMP and c-di-AMP) and to transfected double-stranded DNA, such as poly(dA:dT)/LyoVec and VACV70/LyoVec.
RAW-Lucia™ ISG-KO-TBK1 cells are resistant to Zeocin™.
Response of RAW-Lucia™ ISG-KO-RIG-I cells to various stimuli. RAW-Lucia™ ISG-KO-TBK1 and RAW-Lucia™ ISG cells (parental cell line) were incubated with VACV70/LyoVec™ (1 µg/ml), poly(dA:dT)/LyoVec™ (1 µg/ml), poly(I:C) HMW/LyoVec™ (1 µg/ml), 5'ppp-dsRNA/LyoVec™ (1 µg/ml), 2'3'-cGAMP (3 µg/ml) and c-di-AMP (3 µg/ml). Mouse IFN-α (1x104 U/ml) and IFN-β (1x104 U/ml) serve as positive controls. Non-induced cells (NI) have been included as a negative control. After a 24h incubation, IRFactivation was determined by measuring the relative light units (RLUs) in a luminometer using QUANTI-Luc™, a Lucia luciferase detection reagent. The IRF induction of each ligand is expressed relative to that of mIFN-β at 1x104 U/ml (taken as 100%).
Antibiotic resistance: Zeocin™
Growth Medium: DMEM, 4.5 g/l glucose, 10% fetal bovine serum (FBS), 100 µg/ml Normocin™, 2 mM L-glutamine
TBK1 knockout is verified by functional assays and DNA sequencing to confirm frameshift mutation/deletion.
The cells are guaranteed mycoplasma-free.
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