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AB257714

Human STK3 (MST-2) knockout HeLa cell lysate

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STK3 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 exon2.
2 Images
Western blot - Human STK3 (MST-2) knockout HeLa cell lysate (AB257714)
  • WB

Lab

Western blot - Human STK3 (MST-2) knockout HeLa cell lysate (AB257714)

Lane 1 : Wild-type HeLa cell lysate (20µg)

Lane 2 : STK3 knockout HeLa cell lysate (20µg)

Lanes 1- 2 : Merged signal (red and green). Green - ab71960 observed at 56 kDa. Red - loading control, ab181602 observed at 37 kDa.

ab71960 Anti-STK3/MST-2 antibody [3067C3a] was shown to specifically react with STK3/MST-2 in wild-type HeLa cells in western blot. Loss of signal was observed when knockout cell line ab265082 (knockout cell lysate ab257714) was used. Wild-type and STK3/MST-2 knockout samples were subjected to SDS-PAGE. ab71960 and Anti-GAPDH antibody[EPR16891] - Loading Control (ab181602) were incubated overnight at 4°C at 1 in 10000 and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Mouse IgG H&L (IRDye® 800CW) preadsorbed (ab216772) and Goat Anti-Rabbit IgG H&L (IRDye® 680RD) preadsorbed (ab216777) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

All lanes:

Western blot - Anti-STK3/MST-2 antibody [3067C3a] (<a href='/en-us/products/primary-antibodies/stk3-mst-2-antibody-3067c3a-ab71960'>ab71960</a>) at 1/10000 dilution

Lane 1:

Wild-type HeLa cell lysate at 20 µg

Lane 2:

STK3 knockout HeLa cell lysate at 20 µg

Lane 2:

Western blot - Human STK3 (MST-2) knockout HeLa cell line (<a href='/en-us/products/cell-lines/human-stk3-mst-2-knockout-hela-cell-line-ab265082'>ab265082</a>)

Predicted band size: 56 kDa

Observed band size: 56 kDa

false

Sanger Sequencing - Human STK3 (MST-2) knockout HeLa cell lysate (AB257714)
  • Sanger seq

Unknown

Sanger Sequencing - Human STK3 (MST-2) knockout HeLa cell lysate (AB257714)

Homozygous : 1 bp insertion in exon2

Key facts

Cell type

HeLa

Species or organism

Human

Tissue

Cervix

Knockout validation

Sanger Sequencing,Western blot

Mutation description

Knockout achieved by using CRISPR/Cas9, 1 bp insertion in exon2.

Disease

Adenocarcinoma

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
STK3
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.

STK3 also known as MST-2 is a serine/threonine protein kinase with a molecular mass of around 60 kDa. It plays an integral role in cell signaling by phosphorylating and activating downstream targets. MST-2 localizes mainly in the cytoplasm and is expressed broadly across various tissues with notable activity in liver kidney and heart tissues. This kinase contributes to the regulation of cell shape and apoptosis reinforcing its importance in cellular homeostasis.
Biological function summary

STK3/MST-2 is a core component of the Hippo signaling pathway which controls organ size by regulating cell proliferation and apoptosis. MST-2 often interacts with other proteins and participates in functional complexes notably with MOB1 and LATS1/2. These interactions are essential for transmitting growth inhibitory signals. Through its kinase activity MST-2 phosphorylates and activates these molecules initiating a cascade that ultimately influences gene expression impacting cell cycle and cell death processes.

Pathways

MST-2 plays a pivotal role not only in the Hippo pathway but also in the MAPK signaling network. In the Hippo pathway MST-2 phosphorylates components like LATS1/2 subsequently affecting the translocation and activity of YAP/TAZ transcription factors which control cell proliferation and survival. In the MAPK pathway MST-2 can interact with other kinases such as ASK1 to influence stress response signaling. These interactions demonstrate how MST-2 integrates signals between pathways to mediate critical decisions in cell life and death.

MST-2 has implications in cancer and cardiac diseases. Dysregulation of the Hippo pathway involving MST-2 is frequently observed in various cancers where impaired MST-2 function contributes to unchecked cell growth and tumor progression. Moreover MST-2 connects with other proteins like YAP often overactive in cancers emphasizing its role in controlling cell division. In cardiac context alterations in MST-2 activity relate to cardiac hypertrophy as proper functioning of the kinase is necessary to maintain cardiac tissue architecture and response to stress.

Quality control

STR analysis

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

Cell culture

Biosafety level

EU: 2 US: 2

Adherent/suspension

Adherent

Gender

Female

Product protocols

Product promise

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