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AB270493

Human TMEM173 knockout THP-1 cell line

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STING1 KO cell line available to order. KO validated by Next Generation Sequencing, Western blot. Free of charge wild type control available. Knockout achieved by CRISPR/Cas9 X = 1 insertion Frameshift: 99.58%. To order both knockout and wild-type control cells: select '2 x 1000000 Cells/vial'. To order only knockout cells: select '1000000 Cells/vial'.
9 Images
Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)
  • WB

Lab

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)

False colour image of Western blot : Anti-STING antibody [EPR13130] staining at 1/1000 dilution shown in green; loading control ab7291 (Mouse anti-Alpha Tubulin [DM1A]) staining at 1/20000 dilution shown in red. In Western blot ab181125 was shown to bind specifically to STING. A band was observed at 37 kDa in wild-type THP-1 cell lysates with no signal observed at this size in TMEM173 knockout cell line ab270493 (knockout cell lysate ab270516). To generate this image wild-type and TMEM173 knockout THP-1 cell lysates were analysed. First samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in fluorescent western blot (TBS-based) blocking solution before incubation with primary antibodies overnight at 4 °. Blots were washed four times in TBS-T incubated with secondary antibodies for 1 h at room temperature washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (ab216776) at 1/20000 dilution.

All lanes:

Western blot - Anti-STING antibody [EPR13130] (<a href='/en-us/products/primary-antibodies/sting-antibody-epr13130-ab181125'>ab181125</a>) at 1/1000 dilution

Lane 1:

Wild-type THP-1 cell lysate at 20 µg

Lane 2:

TMEM173 knockout THP-1 cell lysate at 20 µg

Lane 2:

Western blot - Human TMEM173 knockout THP-1 cell line (ab270493)

Lane 3:

Human Tonsil cell lysate at 20 µg

Lane 4:

Human Thymus cell lysate at 20 µg

Predicted band size: 42 kDa

Observed band size: 37 kDa

false

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)
  • WB

Lab

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)

Lanes 1 - 4 : Merged signal (red and green). Green - ab239074 observed at 37 kDa. Red - loading control ab7291 (Mouse anti-Alpha Tubulin [DM1A]) observed at 55 kDa.

ab239074 was shown to react with TMEM173 in wild-type THP-1 cells in Western blot with loss of signal observed in TMEM173 knockout cell line ab270493 (TMEM173 knockout cell lysae ab270516). Wild-type THP-1 and TMEM173 knockout cell lysates were subjected to SDS-PAGE. Membranes were blocked in fluorescent western blot (TBS-based) blocking solution before incubation with ab239074 and ab7291 (Mouse anti-Alpha Tubulin [DM1A]) overnight at 4 ° at a 1 in 1000 dilution and a 1 in 20000 dilution respectively. Blots were incubated with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 h at room temperature before imaging.

All lanes:

Western blot - Anti-STING antibody [EPR13130-55] (<a href='/en-us/products/primary-antibodies/sting-antibody-epr13130-55-ab239074'>ab239074</a>) at 1/1000 dilution

Lane 1:

Wild-type THP-1 cell lysate at 20 µg

Lane 2:

TMEM173 knockout THP-1 cell lysate at 20 µg

Lane 2:

Western blot - Human TMEM173 knockout THP-1 cell line (ab270493)

Lane 3:

Human Tonsil tissue lysate at 20 µg

Lane 4:

Human Thymus tissue lysate at 20 µg

Predicted band size: 42 kDa

Observed band size: 37 kDa

false

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)
  • WB

Lab

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)

Lanes 1 - 4 : Merged signal (red and green). Green - ab227705 observed at 37 kDa. Red - loading control ab7291 (Mouse anti-Alpha Tubulin [DM1A]) observed at 55 kDa.

ab227705 was shown to react with TMEM173 in wild-type THP-1 cells in Western blot with loss of signal observed in TMEM173 knockout cell line ab270493 (TMEM173 knockout cell lysate ab270516). Wild-type THP-1 and TMEM173 knockout cell lysates were subjected to SDS-PAGE. Membranes were blocked in fluorescent western blot (TBS-based) blocking solution before incubation with ab227705 and ab7291 (Mouse anti-Alpha Tubulin [DM1A]) overnight at 4 ° at a 1 in 400 dilution and a 1 in 20000 dilution respectively. Blots were incubated with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 h at room temperature before imaging.

All lanes:

Western blot - Anti-STING antibody [SP339] (<a href='/en-us/products/primary-antibodies/sting-antibody-sp339-ab227705'>ab227705</a>) at 1/400 dilution

Lane 1:

Wild-type THP-1 cell lysate at 20 µg

Lane 2:

TMEM173 knockout THP-1 cell lysate at 20 µg

Lane 2:

Western blot - Human TMEM173 knockout THP-1 cell line (ab270493)

Lane 3:

Human Tonsil tissue lysate at 20 µg

Lane 4:

Human Thymus tissue lysate at 20 µg

Predicted band size: 42 kDa

Observed band size: 37 kDa

false

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)
  • WB

Lab

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)

ab227705 was shown to react with STING1 in wild-type THP-1 cells in Western blot with loss of signal observed in STING1 knockout cell line ab270493. Wild-type THP-1 and STING1 knockout cell lysates were subjected to SDS-PAGE. Membranes were blocked in 5% milk in TBST for 1 hr before incubation with ab227705 overnight at 4 °C at a 1/1000 dilution. Blots were incubated with secondary antibodies at 0.2 µg/mL before imaging.

These data were provided by YCharOS Inc., an open science company with the mission of characterizing commercially available antibody reagents for all human proteins. Abcam and YCharOS are working together to help address the reproducibility crisis by enabling the life science community to better evaluate commercially available antibodies.

All lanes:

Western blot - Anti-STING antibody [SP339] (<a href='/en-us/products/primary-antibodies/sting-antibody-sp339-ab227705'>ab227705</a>) at 1/1000 dilution

Lane 1:

Wild-type THP-1 lysate at 40 µg

Lane 2:

STING1 knock-out THP-1 lysate at 40 µg

false

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)
  • WB

Lab

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)

ab239074 was shown to react with STING1 in wild-type THP-1 cells in Western blot with loss of signal observed in STING1 knockout cell line ab270493. Wild-type THP-1 and STING1 knockout cell lysates were subjected to SDS-PAGE. Membranes were blocked in 5% milk in TBST for 1 hr before incubation with ab239074 overnight at 4 °C at a 1/1000 dilution. Blots were incubated with secondary antibodies at 0.2 µg/mL before imaging.

These data were provided by YCharOS Inc., an open science company with the mission of characterizing commercially available antibody reagents for all human proteins. Abcam and YCharOS are working together to help address the reproducibility crisis by enabling the life science community to better evaluate commercially available antibodies.

All lanes:

Western blot - Anti-STING antibody [EPR13130-55] (<a href='/en-us/products/primary-antibodies/sting-antibody-epr13130-55-ab239074'>ab239074</a>) at 1/1000 dilution

Lane 1:

Wild-type THP-1 lysate at 40 µg

Lane 2:

STING1 knock-out THP-1 lysate at 40 µg

false

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)
  • WB

Lab

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)

ab181125 was shown to react with STING1 in wild-type THP-1 cells in Western blot with loss of signal observed in STING1 knockout cell line ab270493. Wild-type THP-1 and STING1 knockout cell lysates were subjected to SDS-PAGE. Membranes were blocked in 5% milk in TBST for 1 hr before incubation with ab181125 overnight at 4 °C at a 1/1000 dilution. Blots were incubated with secondary antibodies at 0.2 µg/mL before imaging.

These data were provided by YCharOS Inc., an open science company with the mission of characterizing commercially available antibody reagents for all human proteins. Abcam and YCharOS are working together to help address the reproducibility crisis by enabling the life science community to better evaluate commercially available antibodies.

All lanes:

Western blot - Anti-STING antibody [EPR13130] (<a href='/en-us/products/primary-antibodies/sting-antibody-epr13130-ab181125'>ab181125</a>) at 1/1000 dilution

Lane 1:

Wild-type THP-1 lysate at 40 µg

Lane 2:

STING1 knock-out THP-1 lysate at 40 µg

false

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)
  • WB

Lab

Western blot - Human TMEM173 knockout THP-1 cell line (AB270493)

ab227704 was shown to react with STING1 in wild-type THP-1 cells in Western blot with loss of signal observed in STING1 knockout cell line ab270493. Wild-type THP-1 and STING1 knockout cell lysates were subjected to SDS-PAGE. Membranes were blocked in 5% milk in TBST for 1 hr before incubation with ab227704 overnight at 4 °C at a 1/200 dilution. Blots were incubated with secondary antibodies at 0.2 µg/mL before imaging.

These data were provided by YCharOS Inc., an open science company with the mission of characterizing commercially available antibody reagents for all human proteins. Abcam and YCharOS are working together to help address the reproducibility crisis by enabling the life science community to better evaluate commercially available antibodies.

All lanes:

Western blot - Anti-STING antibody [SP338] (<a href='/en-us/products/primary-antibodies/sting-antibody-sp338-ab227704'>ab227704</a>) at 1/200 dilution

Lane 1:

Wild-type THP-1 lysate at 40 µg

Lane 2:

STING1 knock-out THP-1 lysate at 40 µg

false

Next Generation Sequencing - Human TMEM173 knockout THP-1 cell line (AB270493)
  • NGS

Lab

Next Generation Sequencing - Human TMEM173 knockout THP-1 cell line (AB270493)

1 bp insertion after Ser127 of the WT protein

Next Generation Sequencing - Human TMEM173 knockout THP-1 cell line (AB270493)
  • NGS

Supplier Data

Next Generation Sequencing - Human TMEM173 knockout THP-1 cell line (AB270493)

Knockout achieved by CRISPR/Cas9; X = 1 bp insertion; Frameshift = 99.58%

Key facts

Cell type

THP-1

Species or organism

Human

Tissue

Blood

Form

Liquid

form

Knockout validation

Next Generation Sequencing,Western blot

Mutation description

Knockout achieved by CRISPR/Cas9 X = 1 insertion Frameshift: 99.58%

Disease

Acute Monocytic Leukemia

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "WB": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "NGS": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Product details

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.

What's included?

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Properties and storage information

Gene name
STING1
Gene editing type
Knockout
Gene editing method
CRISPR technology
Knockout validation
Next Generation Sequencing, Western blot
Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
-196°C
Appropriate long-term storage conditions
-196°C

Handling procedures

Initial handling guidelines

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. Based on cell count, seed cells in an appropriate cell culture flask at a density of 4x105 cells/mL. Seeding density is given as a guide only and should be scaled to align with individual lab schedules.
4. Incubate the culture at 37°C incubator with 5% CO2. Cultures should be monitored daily.
5. THP-1 cells recover slowly from cryopreservation and therefore may not be ready for subculture for a number of days. Cells should be left as much as possible over this time and only subcultured when the cell density reaches 8x105 cells/mL.Small amounts of fresh media can be added until cell number/viability improves.

Subculture guidelines
  • All seeding densities should be based on cell counts gained by established methods.
  • Cells should be seeded at 2x105 - 3x105 cells/mL and subcultured when they have reached 8x105 cells/mL.
  • It is not recommended to allow the cell density to exceed 1x106 cells/mL.
Culture medium

RPMI + 10% FBS + 0.05 mM beta-mercaptoethanol

Cryopreservation medium

Cell Freezing Medium-DMSO Serum free media, contains 8.7% DMSO in MEM supplemented with methyl cellulose.

Supplementary information

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

The stimulator of interferon genes (STING) also known as TMEM173 or MPYS is a critical transmembrane protein with a molecular weight of approximately 42 kDa. It is primarily expressed in the endoplasmic reticulum of various cell types including immune cells where it plays a central role in sensing cytosolic DNA. STING binds to cyclic dinucleotides produced by the enzyme cGAS upon recognition of aberrant DNA in the cytosol. This binding initiates activation and translocation of STING to the Golgi apparatus facilitating further signaling events.
Biological function summary

STING serves as a pivotal regulator in the innate immune response to viral and bacterial infections. It operates by forming a signaling complex with kinases and other effector proteins which subsequently leads to the activation of transcription factors such as IRF3 and NF-kB. These transcription factors then induce the expression of type I interferons and other cytokines important for mounting an effective antiviral response. The STING pathway therefore enhances the immune system's ability to detect and respond to pathogens.

Pathways

The activity of STING is integral to the cGAS-STING pathway a significant cytosolic DNA-sensing pathway involved in innate immunity. Upon activation STING interacts with TBK1 a kinase that further phosphorylates IRF3 promoting its nuclear translocation and activation. Beyond this STING also intersects with pathways involving autophagy a cellular process necessary for clearing pathogens and damaged cellular components. Through these pathways STING critically contributes to upholding cellular homeostasis and immune defense.

The dysregulation of STING is linked to autoinflammatory diseases and certain cancers. Abnormal STING activation can lead to chronic inflammation a feature observed in diseases such as STING-associated vasculopathy with onset in infancy (SAVI). STING's role in cancer is also notable where its ability to activate immune cells can be harnessed in immunotherapy yet its chronic activation may promote tumorigenesis. In cancer STING often interacts with proteins like K-Ras influencing tumor growth and response to therapies.

Quality control

STR analysis

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

Cell culture

Biosafety level

EU: 1 US: 1

Adherent/suspension

Suspension

Gender

Male

Product protocols

Product promise

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For full details, please see our Terms & Conditions

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