Anti-TYK2 antibody (ab223733) is a rabbit polyclonal antibody that is used to detect TYK2 in Western Blot, ICC/IF. Suitable for Human samples.
- Specificity confirmed with TYK2 knockout cell line validation
pH: 7.2
Preservative: 0.02% Sodium azide
Constituents: PBS, 40% Glycerol (glycerin, glycerine)
WB | ICC/IF | |
---|---|---|
Human | Tested | Tested |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 0.04000-0.40000 µg/mL | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 0.25000-2.00000 µg/mL | Notes Fixation/Permeabilization: PFA/Triton X-100. |
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Tyrosine kinase of the non-receptor type involved in numerous cytokines and interferons signaling, which regulates cell growth, development, cell migration, innate and adaptive immunity (PubMed:10542297, PubMed:10995743, PubMed:7657660, PubMed:7813427, PubMed:8232552). Plays both structural and catalytic roles in numerous interleukins and interferons (IFN-alpha/beta) signaling (PubMed:10542297). Associates with heterodimeric cytokine receptor complexes and activates STAT family members including STAT1, STAT3, STAT4 or STAT6 (PubMed:10542297, PubMed:7638186). The heterodimeric cytokine receptor complexes are composed of (1) a TYK2-associated receptor chain (IFNAR1, IL12RB1, IL10RB or IL13RA1), and (2) a second receptor chain associated either with JAK1 or JAK2 (PubMed:10542297, PubMed:25762719, PubMed:7526154, PubMed:7813427). In response to cytokine-binding to receptors, phosphorylates and activates receptors (IFNAR1, IL12RB1, IL10RB or IL13RA1), creating docking sites for STAT members (PubMed:7526154, PubMed:7657660). In turn, recruited STATs are phosphorylated by TYK2 (or JAK1/JAK2 on the second receptor chain), form homo- and heterodimers, translocate to the nucleus, and regulate cytokine/growth factor responsive genes (PubMed:10542297, PubMed:25762719, PubMed:7657660). Negatively regulates STAT3 activity by promototing phosphorylation at a specific tyrosine that differs from the site used for signaling (PubMed:29162862).
Non-receptor tyrosine-protein kinase TYK2, TYK2
Anti-TYK2 antibody (ab223733) is a rabbit polyclonal antibody that is used to detect TYK2 in Western Blot, ICC/IF. Suitable for Human samples.
- Specificity confirmed with TYK2 knockout cell line validation
pH: 7.2
Preservative: 0.02% Sodium azide
Constituents: PBS, 40% Glycerol (glycerin, glycerine)
Tyrosine kinase 2 (TYK2) also known as JAK1B is a non-receptor tyrosine kinase that weighs approximately 134 kDa. It belongs to the Janus kinase (JAK) family which includes JAK1 JAK2 and JAK3. TYK2 is vital in signal transduction for several cytokine receptors. The expression of TYK2 occurs broadly in different tissues including immune system cells. It plays an important mechanical role in transferring signals from cell surface receptors to intracellular signaling pathways which modulates various physiological processes.
TYK2 mediates intracellular signaling that affects both innate and adaptive immune responses. It associates with cytokine receptors forming functional complexes that are critical for initiating JAK-STAT signaling. This type of signaling is responsible for regulating gene expression after cytokine binding. TYK2 is known for interacting with Type I interferons and interleukin-10 family cytokines indicating its importance in immune regulation.
TYK2 acts within the JAK-STAT pathway a fundamental signaling cascade triggered by various cytokines and growth factors. The JAK-STAT pathway includes key partners such as STAT1 STAT2 and STAT3 proteins which are phosphorylated by TYK2 to propagate signal transduction. Additionally TYK2 is involved in the 'intercept blocking buffer' mechanism that adjusts signal strength thereby ensuring appropriate cellular responses to external stimuli.
Altered TYK2 activity has associations with immune-related conditions like psoriasis and systemic lupus erythematosus. Dysregulation of TYK2 can lead to improper immune signaling which contributes to these autoimmune conditions. Furthermore TYK2 interacts with other Janus kinase family members including JAK1 and JAK3 which can influence its role in the pathogenesis of these diseases potentially offering targets for therapeutic intervention.
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False colour image of Western blot: Anti-TYK2 antibody staining at 0.04 μg/ml, shown in green; Mouse anti-Alpha Tubulin [DM1A] (Anti-alpha Tubulin antibody [DM1A] - Loading Control ab7291) loading control staining at 1/20000 dilution, shown in red. In Western blot, ab223733 was shown to bind specifically to TYK2. A band was observed at 133 kDa in wild-type HEK-293T cell lysates with no signal observed at this size in TYK2 knockout cell line Human TYK2 knockout HEK-293T cell line ab266730 (knockout cell lysate Human TYK2 knockout HEK-293T cell lysate ab258743). To generate this image, wild-type and TYK2 knockout HEK-293T cell lysates were analysed. First, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 5 % milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4°C. 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 (Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed ab216776) at 1/20000 dilution.
All lanes: Western blot - Anti-TYK2 antibody (ab223733) at 0.04 µg/mL
Lane 1: Wild-type HEK-293T cell lysate at 20 µg
Lane 2: TYK2 knockout HEK-293T cell lysate at 20 µg
Lane 2: Western blot - Human TYK2 knockout HEK-293T cell line (Human TYK2 knockout HEK-293T cell line ab266730)
Lane 3: MCF7 cell lysate at 20 µg
Lane 4: Jurkat cell lysate at 20 µg
Performed under reducing conditions.
Predicted band size: 134 kDa
Observed band size: 133 kDa
All lanes: Western blot - Anti-TYK2 antibody (ab223733) at 1/100 dilution
All lanes: PC-3 (human prostate adenocarcinoma cell line) cell lysate
Predicted band size: 134 kDa
PFA-fixed, Triton X-100 permeabilized U-2 OS (human bone osteosarcoma epithelial cell line) cells stained for TYK2 (green) using ab223733 at 4 μg/ml in ICC/IF.
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