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AB257764

Human TREX1 knockout A549 cell lysate

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TREX1 KO cell lysate available now. KO validated by Western blot. Free of charge wild type control included. Knockout achieved by using CRISPR/Cas9, 1 bp insertion in exon1 and 4 bp insertion in exon1.

View Alternative Names

3' 5' exonuclease TREX1, 3' repair exonuclease 1, AGS1, AGS5, CRV, DKFZp434J0310, DNase III, DRN3, Deoxyribonuclease III, dnaQ/mutD (E. coli) like, HERNS, Three prime repair exonuclease 1

3 Images
Western blot - Human TREX1 knockout A549 cell lysate (AB257764)
  • WB

Unknown

Western blot - Human TREX1 knockout A549 cell lysate (AB257764)

Lane 1 : Wild-type A549 cell lysate (20 ug)
Lane 2 : TREX1 knockout A549 cell lysate (20 ug)
Lane 3 : Raji cell lysate (20 ug)
Lane 4 : Daudi cell lysate (20 ug)

ab185228 was shown to specifically react with TREX1 in wild-type A549 cells. Loss of signal was observed when knockout cell line ab266927 (knockout cell lysate ab257764) was used. Wild-type and TREX1 knockout samples were subjected to SDS-PAGE. ab185228 and Anti-alpha Tubulin antibody [DM1A] - Loading Control (ab7291) were incubated overnight at 4oC at 1 in 1000 dilution and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

false

Sanger Sequencing - Human TREX1 knockout A549 cell lysate (AB257764)
  • Sanger seq

Unknown

Sanger Sequencing - Human TREX1 knockout A549 cell lysate (AB257764)

Allele-1 : 1 bp insertion in exon1

Sanger Sequencing - Human TREX1 knockout A549 cell lysate (AB257764)
  • Sanger seq

Unknown

Sanger Sequencing - Human TREX1 knockout A549 cell lysate (AB257764)

Allele-2 : 4 bp insertion in exon1

Key facts

Cell type

A549

Species or organism

Human

Tissue

Lung

Knockout validation

Sanger Sequencing,Western blot

Mutation description

Knockout achieved by using CRISPR/Cas9, 1 bp insertion in exon1 and 4 bp insertion in exon1.

Disease

Carcinoma

Reactivity data

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Product details

Knockout cell lysate achieved by CRISPR/Cas9.

REACH authorisation
Abcam has not and does not intend to apply for the REACH Authorisation of customers' uses of products that contain European Authorisation list (Annex XIV) substances.
It is the responsibility of our customers to check the necessity of application of REACH Authorisation, and any other relevant authorisations, for their intended uses.

Lysate preparation: Our lysates are made using RIPA buffer to which we add a protease inhibitor cocktail and phosphatase inhibitor cocktail (ratio: 300:100:10). This means that the protein of interest is denatured. If you require a native form of the protein please use the live cell version. Please refer to our lysis protocol for further details on how our lysates are prepared.

User storage instructions: Lyophilizate may be stored at 4°C. After reconstitution, store at -20°C for short-term storage or -80°C for long-term storage.

This product is subject to limited use licenses from The Broad Institute, ERS Genomics Limited and Sigma-Aldrich Co. LLC, and is developed with patented technology. For full details of the licenses and patents please refer to our limited use license and patent pages.

What's included?

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Properties and storage information

Gene name
TREX1
Gene editing type
Knockout
Gene editing method
CRISPR technology
Knockout validation
Sanger Sequencing, Western blot
Shipped at conditions
Ambient - Can Ship with Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
-20°C

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

TREX1 also known as Three Prime Repair Exonuclease 1 acts as a DNA exonuclease which degrades single-stranded DNA from the 3' end. This protein exhibits a mass of 33 kDa. TREX1's expression is largely found in the cytoplasm of many cell types including those in the immune system and various tissues like the liver spleen and heart. Through its enzymatic activity TREX1 helps maintain genomic stability by processing DNA intermediates that arise from incomplete DNA replication or repair processes.
Biological function summary

TREX1 removes excessive DNA that might trigger immune responses. It is not a part of a large protein complex but works closely with substrates involved in DNA repair and replication. By degrading abnormal DNA TREX1 prevents the initiation of inappropriate immune responses that could result in autoimmunity. Its functionality is essential in preventing the cell from converting these DNA fragments into ligands for DNA sensors which could activate immune signaling pathways.

Pathways

TREX1 plays a significant role in the DNA damage response and innate immune pathways. In the DNA damage response pathway TREX1 functions alongside proteins like ATR and ATM which address DNA replication stress and repair. Within the innate immune pathway it interacts with cGAS (cyclic GMP-AMP synthase) which can become activated in response to cytosolic DNA leading to the production of type I interferons - powerful immune modulators.

Mutations in TREX1 have been linked to autoimmune diseases such as Aicardi-Goutières syndrome and systemic lupus erythematosus. In these conditions the altered or deficient TREX1 leads to the accumulation of DNA in the cytoplasm falsely triggering an antiviral immune response. This relationship with cGAS is critical as the cGAS-STING pathway becomes activated due to the presence of unprocessed DNA resulting in chronic inflammation and contributing to the autoimmune pathology observed in these disorders.

Quality control

STR analysis

CSF1PO, D13S317, D7S820, D5S818, TH01, D16S539, TPOX

Cell culture

Biosafety level

EU: 1 US: 1

Adherent/suspension

Adherent

Gender

Male

Product protocols

Product promise

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