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THP1-Dual™ KO-TREX1 Cells

THP1-Dual KO-TREX1 Cells Unit size Cat. code Docs Qty Price
Human THP-1 Monocytes - TREX1 knockout NF-κB-SEAP and IRF-Lucia Reporter Cells
3-7 x 10e6 cells
thpd-kotrex
+-
$1,373.00

June, 18th 2018 - CONTENTS UPDATE NOTIFICATION
Please note that, for your convenience, these cells are now provided with QUANTI-Blue™ Solution.

TREX1 knockout NF-κB-SEAP and IRF-Lucia luciferase reporter monocytes

THP1-Dual™ KO-TREX1 cells were generated from THP1-Dual™ cells by stable knockout of the TREX1 gene. TREX1 (also known as DNAse III) is a major cellular 3'5' exonuclease that plays a crucial role in maintaining immune homeostasis [1,2]. These cell lines were derived from human THP‑1 monocytes, a cell line often used to study DNA sensing pathways as they express all the cytosolic DNA sensors identified so far (with the exception of DAI).

THP1-Dual™ and THP1-Dual™ KO-TREX1 cells stably express two inducible secreted reporter genes: IFN-inducible Lucia luciferase and NF‑κB-inducible SEAP (secreted embryonic alkaline phosphatase). They can be used to study the role of TREX1 by monitoring IRF-induced Lucia luciferase activity, using QUANTI‑Luc™, a Lucia™ luciferase detection reagent.

THP1-Dual™ KO-TREX1 cells are resistant to the selectable markers blasticidin and Zeocin™.

 

1. Kavanagh D. et al., 2008. New roles for the major human 3'-5' exonuclease TREX1 in human disease. Cell Cycle. 7(12):1718-25.
2. Hasan M. & Yan N., 2014. Safeguard against DNA sensing: the role of TREX1 in HIV-1 infection and autoimmune diseases. Front Microbiol. 5:193

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Specifications

Antibiotic resistance: Zeocin™blasticidin

Growth medium: RPMI 1640, 2 mM L-glutamine, 25 mM HEPES, 10% heat-inactivated fetal bovine serum, 100 μg/ml Normocin™, Pen-Strep (100 U/ml-100 μg/ml)

Quality control
TREX1 knockout is verified by PCR and DNA sequencing.
These cells are guaranteed mycoplasma-free.

This product is covered by a Limited Use License (See Terms and Conditions).

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Contents

  • 1 vial of THP1-Dual™ KO-TREX1 cells (3-7 x 106 cells) in freezing medium
  • 1 ml of Normocin™ (50 mg/ml). Normocin™ is a formulation of three antibiotics active against mycoplasmas, bacteria and fungi.
  • 1 ml of Zeocin™ (100 mg/ml)
  • 1 ml of Blasticidin (10 mg/ml)
  • 1 pouch of QUANTI-Luc™
  • 1 ml of QB reagent and 1 ml of QB buffer (sufficient to prepare 100 ml of QUANTI-Blue™ Solution, a SEAP detection reagent)

Shipped on dry ice

IMPORTANT: Cells are shipped frozen. If cells are not frozen upon arrival, contact InvivoGen immediately.

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Description

THP1-Dual™ and THP1-Dual™ KO-TREX1 cells stably express two inducible secreted reporter genes: Lucia luciferase and SEAP (secreted embryonic alkaline phosphatase). The Lucia luciferase reporter gene is under the control of an ISG54 (interferon-stimulated gene) minimal promoter in conjunction with five IFN-stimulated response elements. The SEAP gene is driven by an IFN-β minimal promoter fused to five copies of the NF‑κB response element. As a result, they allow the simultaneous study of the IFN regulatory factor (IRF) pathway, by assessing the activity of Lucia luciferase and the NF-κB pathway, by monitoring the activity of SEAP. Both reporter proteins are readily measurable in the cell culture supernatant when using QUANTI‑Luc™, a Lucia™ luciferase detection reagent and QUANTI-Blue™, a SEAP detection reagent.

THP1-Dual™ KO-TREX1 and THP1-Dual™ cells can be used to study the role of TREX1 by monitoring IRF-induced Lucia luciferase activity.

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Citations

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