Anti-MyD88 antibody [EPR21824] (ab219413) is a rabbit monoclonal antibody that is used to detect MyD88 in Western Blot, IP. Suitable for Human, Mouse, Rat samples.
- Specificity confirmed with MyD88 knockout cell line validation
pH: 7.2 - 7.4
Preservative: 0.01% Sodium azide
Constituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA
IP | WB | |
---|---|---|
Human | Expected | Tested |
Mouse | Tested | Tested |
Rat | Expected | Tested |
Species | Dilution info | Notes |
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Species Mouse | Dilution info 1/30 | Notes - |
Species | Dilution info | Notes |
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Species Rat, Human | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info 1/1000 | Notes - |
Species Rat | Dilution info 1/1000 | Notes - |
Species Human | Dilution info 1/1000 | Notes - |
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Adapter protein involved in the Toll-like receptor and IL-1 receptor signaling pathway in the innate immune response (PubMed:15361868, PubMed:18292575, PubMed:33718825, PubMed:37971847). Acts via IRAK1, IRAK2, IRF7 and TRAF6, leading to NF-kappa-B activation, cytokine secretion and the inflammatory response (PubMed:15361868, PubMed:19506249, PubMed:24316379). Increases IL-8 transcription (PubMed:9013863). Involved in IL-18-mediated signaling pathway. Activates IRF1 resulting in its rapid migration into the nucleus to mediate an efficient induction of IFN-beta, NOS2/INOS, and IL12A genes. Upon TLR8 activation by GU-rich single-stranded RNA (GU-rich RNA) derived from viruses such as SARS-CoV-2, SARS-CoV and HIV-1, induces IL1B release through NLRP3 inflammasome activation (PubMed:33718825). MyD88-mediated signaling in intestinal epithelial cells is crucial for maintenance of gut homeostasis and controls the expression of the antimicrobial lectin REG3G in the small intestine (By similarity).
Myeloid differentiation primary response protein MyD88, MYD88
Anti-MyD88 antibody [EPR21824] (ab219413) is a rabbit monoclonal antibody that is used to detect MyD88 in Western Blot, IP. Suitable for Human, Mouse, Rat samples.
- Specificity confirmed with MyD88 knockout cell line validation
pH: 7.2 - 7.4
Preservative: 0.01% Sodium azide
Constituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA
Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:
For more information, read more on recombinant antibodies.
MyD88 standing for myeloid differentiation primary response 88 is a cytoplasmic adaptor protein with a molecular weight of approximately 33 kDa. This protein is expressed widely in immune cells including monocytes macrophages and dendritic cells. MyD88 serves a major role in the signaling pathways for the innate immune system. It acts as a linker transmitting signals from toll-like receptors (TLRs) and interleukin-1 receptors (IL-1Rs) to downstream signaling molecules ultimately activating transcription factors.
MyD88 plays a significant role in mediating immune responses by forming part of a complex that includes IRAK kinases and TRAF6. When TLRs or IL-1Rs activate MyD88 this adaptor protein recruits IRAK4 which then phosphorylates IRAK1 or IRAK2. This cascade promotes the activation of NF-κB and MAPK pathways leading to the production of inflammatory cytokines. The MyD88-dependent pathway is integral to innate immunity influencing how the body responds to pathogen infection and inflammation.
MyD88 integrates into both the TLR signaling and IL-1R signaling pathways. Key related proteins in these pathways include interleukin-1 receptor-associated kinase (IRAK) and tumor necrosis factor receptor-associated factor 6 (TRAF6). MyD88 initiates the recruitment and activation of IRAK1 and IRAK4 following receptor engagement leading to subsequent activation of downstream signals. As part of these pathways MyD88 mediates cellular responses important for immune system signaling and inflammatory response regulation.
MyD88 involvement is notable in the context of oncological and autoimmune diseases. Mutations or dysregulation of MyD88 are implicated in conditions like lymphoma and rheumatoid arthritis. In lymphoma the mutation usually results in constant activation of NF-κB leading to unchecked cell growth. As for rheumatoid arthritis an overactive immune response due to MyD88 can cause additional inflammation affecting joint tissues. In these conditions MyD88 interaction with IRAK4 is significant given their mutual role in immune and inflammatory pathways.
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Terms & Conditions.
ab219413 was shown to specifically react with MyD88 in wild-type HAP1 cells as signal was lost in MyD88 knockout cells. Wild-type and MyD88 knockout samples were subjected to SDS-PAGE. ab219413 and Anti-GAPDH antibody [EPR16891] - Loading Control ab181602 (Rabbit anti-GAPDH loading control) were incubated 1 hour at room temperature at 1/1000 dilution and 1/200,000 dilution respectively. Blots were developed with Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated (Goat Anti-Rabbit IgG H&L (HRP) ab97051) secondary antibody at 1/100,000 dilution for 1 hour at room temperature before imaging. The blot was developed on a BIO-RAD® ChemiDoc™ MP instrument using the ECL technique
All lanes: Western blot - Anti-MyD88 antibody [EPR21824] (ab219413) at 1/100000 dilution
Lane 1: Wild-type HAP1 whole cell lysate at 20 µg
Lane 2: MyD88 knockout HAP1 whole cell lysate at 20 µg
Lane 3: HepG2 (Human hepatocellular carcinoma epithelial cell) whole cell lysate at 20 µg
Lane 4: Ramos (Human Burkitt's 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
Predicted band size: 33 kDa
Exposure time: 3min
MyD88 was immunoprecipitated from 0.35 mg RAW 264.7 (Mouse Abelson murine leukemia virus-induced tumor macrophage) whole cell lysate with ab219413 at 1/30 dilution. Western blot was performed from the immunoprecipitate using ab219413 at 1/1000 dilution. VeriBlot for IP Detection Reagent (HRP) (VeriBlot for IP Detection Reagent (HRP) ab131366), was used for detection at 1/5000 dilution.
Lane 1: RAW 264.7 whole cell lysate 10 μg (Input).
Lane 2: ab219413 IP in RAW 264.7 whole cell lysate (+).
Lane 3: Rabbit monoclonal IgG (Rabbit IgG, monoclonal [EPR25A] - Isotype Control ab172730) instead of ab219413 in RAW 264.7 whole cell lysate (-).
Blocking/Dilution buffer: 5% NFDM/TBST.
Exposure time: 3 minutes.
All lanes: Immunoprecipitation - Anti-MyD88 antibody [EPR21824] (ab219413)
Predicted band size: 33 kDa
All lanes: Western blot - Anti-MyD88 antibody [EPR21824] (ab219413) at 1/1000 dilution
Lane 1: Rat liver lysate at 20 µg
Lane 2: RAW 264.7 (Mouse Abelson murine leukemia virus-induced tumor macrophage) whole cell lysate at 20 µg
Lane 3: A20 (Mouse reticulum sarcoma B lymphocyte) cell lysate at 20 µg
Lane 4: Mouse liver lysate at 20 µg
Lane 5: Mouse lung 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
Predicted band size: 33 kDa
Exposure time: 3min
False colour image of Western blot: Anti-MyD88 antibody [EPR21824] staining at 1/1000 dilution, 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, ab219413 was shown to bind specifically to MyD88. A band was observed at 35 kDa in wild-type A549 cell lysates with no signal observed at this size in MYD88 knockout cell line Human MYD88 knockout A549 cell line ab286715 (knockout cell lysate ab290793). To generate this image, wild-type and MYD88 knockout A549 cell lysates were analysed. First, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 3 % 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 800CW and Goat anti-Mouse IgG H&L 680RD at 1/20000 dilution.
All lanes: Western blot - Anti-MyD88 antibody [EPR21824] (ab219413) at 1/1000 dilution
Lane 1: Wild-type A549 cell lysate at 20 µg
Lane 2: MYD88 knockout A549 cell lysate at 20 µg
Lane 2: Western blot - Human MYD88 knockout A549 cell line (Human MYD88 knockout A549 cell line ab286715)
Lane 3: HEK-293 cell lysate at 20 µg
Lanes 1 - 3: Goat anti-Mouse IgG H&L 680RD
Lanes 1 - 3: Goat anti-Rabbit IgG H&L 800CW
Performed under reducing conditions.
Predicted band size: 33 kDa
Observed band size: 35 kDa
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