ADAR KO cell line available to order. KO validated by Western blot. Free of charge wild type control provided. Knockout achieved by using CRISPR/Cas9, 17 bp deletion in exon 2 and 1 bp insertion in exon 2.
136 kDa double-stranded RNA-binding protein, ADAR, AGS6, AV242451, Adenosine deaminase RNA specific, Adenosine deaminase RNA specific 1, Adenosine deaminase acting on RNA 1 A, Adenosine deaminase that act on RNA, DRADA, DSRAD_HUMAN, Double-stranded RNA-specific adenosine deaminase, Double-stranded RNA-specific editase Adar, Dsh, EC 3.5.4.-, G1P1, Ifi4 protein, Interferon induced protein 4, Interferon-inducible protein 4, K88DSRBP, P136, Pre-mRNA adenosine deaminase, RNA adenosine deaminase 1, RNA-editing deaminase 1, RNA-editing enzyme 1, dsRNA adenosine deaminase, mZaADAR
ADAR KO cell line available to order. KO validated by Western blot. Free of charge wild type control provided. Knockout achieved by using CRISPR/Cas9, 17 bp deletion in exon 2 and 1 bp insertion in exon 2.
Upon arrival, the vial should be stored in liquid nitrogen vapor phase and not at -80°C. Storage at -80°C may result in loss of viability.
1. Thaw the vial in 37°C water bath for approximately 1-2 minutes.
2. Transfer the cell suspension (0.8 mL) to a 15 mL/50 mL conical sterile polypropylene centrifuge tube containing 8.4 mL pre-warmed culture medium, wash vial with an additional 0.8 mL culture medium (total volume 10 mL) to collect remaining cells, and centrifuge at 201 x g (rcf) for 5 minutes at room temperature. 10 mL represents minimum recommended dilution. 20 mL represents maximum recommended dilution.
3. Resuspend the cell pellet in 5 mL pre-warmed culture medium and count using a haemocytometer or alternative cell counting method seed all remaining cells into a T25.
4. Incubate the culture at 37°C incubator with 5% CO2. Check the culture one day after revival and continue to check until 80% confluent. Media change can be given if needed.
5. Once confluent passage into an appropriate flask at a density of 2x104 cells/cm2. Seeding density is given as a guide only and should be scaled to align with individual lab schedules. Cultures should be monitored daily.
We will provide viable cells that proliferate on revival.
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.
ADAR1 also known as RNA-specific adenosine deaminase 1 or ADAR is an enzyme with a mass of approximately 150 kDa. This protein targets double-stranded RNA (dsRNA) and acts mechanistically to convert adenosine to inosine in pre-mRNA sequences a process known as A-to-I RNA editing. ADAR1 is expressed in numerous tissues with high levels in the brain liver and lungs. Its localization within cells can vary often found in both the nucleus and cytoplasm which influences its function.
ADAR1 plays a role in the regulation of RNA molecules affecting their stability and translation. It is linked to the editosome complex working alongside other proteins to perform RNA editing tasks. By modifying the coding potential of mRNAs ADAR1 contributes to the diversity of proteomes and helps manage the responses to viral RNAs giving the immune system tools to recognize endogenous and exogenous RNA.
ADAR1 is significant in the interferon signaling pathway and RNA processing pathways. It operates in coordination with proteins like PKR which is involved in the response to viral infections. ADAR1 ensures that the immune response is not directed against the self highlighting its role in the regulation of the innate immune system. These pathways are critical in maintaining homeostasis and preventing unchecked immune responses.
Mutations or dysregulation of ADAR1 have associations with autoimmune diseases like Aicardi-Goutieres syndrome and certain cancers. The enzyme's role in editing RNA makes it essential in preventing inappropriate immune attacks against the body's own cells highlighting its interaction with MDA5 another protein involved in immune regulation. Understanding ADAR1 and its related pathways may offer potential therapeutic targets for these conditions including exploration into ADAR1 inhibitors as interventions.
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Anti-ADAR1 antibody [EPR7033] ab126745 Anti-ADAR1 antibody [EPR7033] was shown to specifically react with ADAR1 in wild-type HEK293T cells. Loss of signal was observed when knockout cell line ab266846 (knockout cell lysate Human ADAR (ADAR1) knockout HEK-293T cell lysate ab257131) was used. Wild-type and ADAR1 knockout samples were subjected to SDS-PAGE. Anti-ADAR1 antibody [EPR7033] ab126745 and Anti-GAPDH antibody [6C5] - Loading Control (Anti-GAPDH antibody [6C5] - Loading Control ab8245) were incubated overnight at 4° at 1 in 1000 dilution and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (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.
All lanes: Western blot - Anti-ADAR1 antibody [EPR7033] (Anti-ADAR1 antibody [EPR7033] ab126745) at 1/1000 dilution
Lane 1: Wild-type HEK293T cell lysate at 20 µg
Lane 2: ADAR knockout HEK293T cell lysate at 20 µg
Lane 2: Western blot - Human ADAR (ADAR1) knockout HEK-293T cell line (ab266846)
Lane 3: HeLa cell lysate at 20 µg
All lanes: Western blot - Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed ab216773) at 1/10000 dilution
Predicted band size: 136 kDa, 19 kDa, 29 kDa, 35 kDa, 36 kDa
Observed band size: 130 kDa, 20 kDa, 29 kDa, 35 kDa, 36 kDa
Sequencing chromatogram displaying sequence edit in exon 2
Allele-2: 1 bp insertion in exon 2.
Allele-1: 17 bp deletion in exon2
Immunofluorescent analysis of 4% Paraformaldehyde-fixed, 0.1% TritonX-100 permeabilized ADAR KO HEK293T (ab266846) cells labelling ADAR1 with Anti-ADAR1 antibody [EPR25431-60] ab307585 at 1/500 (1.08 ug/ml) dilution, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed antibody at 1/1000 2 ug/ml dilution (Green). Confocal image showing increased nuclear and cytoplasmic staining in parental HEK293T cells treated with IFN alpha 1 (human) (10 ng/ml) for 16 hours, and no staining in treated ADAR KO HEK293T cells. Image was taken with a confocal microscope(Leica-Microsystems, TCS SP8). Alexa Fluor® 594 Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker ab195889 Anti-alpha Tubulin mouse monoclonal antibody - Microtubule Marker (Alexa Fluor® 594) was used to counterstain tubulin at 1/200 2.5ug/ml dilution (Red). The Nuclear counterstain was DAPI (Blue). Secondary antibody only control: Secondary antibody is Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed at 1/1000 2 ug/ml dilution.
Blocking and diluting buffer and concentration: 5% NFDM/TBST
Performed under reducing conditions.
In Western blot, Anti-ADAR1 antibody [EPR25431-60] ab307585 was shown to bind specifically to ADAR1. A band was observed at 150 kDa in wild-type HEK-293T cell lysates whereas no signal observed at this size in ADAR1 knockout cell line ab266846 (knockout cell lysate Human ADAR (ADAR1) knockout HEK-293T cell lysate ab257131).
Exposure time: 59 seconds
All lanes: Western blot - Anti-ADAR1 antibody [EPR25431-60] (Anti-ADAR1 antibody [EPR25431-60] ab307585) at 1/1000 dilution
Lane 1: Wild-type HEK-293T (human embryonic kidney epithelial cell) whole cell lysate at 20 µg
Lane 2: ADAR1 knockout HEK-293T whole cell lysate at 20 µg
Lane 2: Western blot - Human ADAR (ADAR1) knockout HEK-293T cell line (ab266846)
Lane 2: Western blot - Human ADAR (ADAR1) knockout HEK-293T cell lysate (Human ADAR (ADAR1) knockout HEK-293T cell lysate ab257131)
Lane 3: HeLa (human cervical adenocarcinoma epithelial cell) whole cell lysate at 20 µg
Lane 4: Ramos (human burkitts lymphoma b lymphocyte) whole cell lysate at 20 µg
All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/100000 dilution
Performed under reducing conditions.
Observed band size: 150 kDa
Exposure time: 59s
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