Anti-MyD88 antibody (ab2064) is a rabbit polyclonal antibody detecting MyD88 in Western Blot, IHC-P, ICC/IF. Suitable for Human, Mouse.
- KO validated for confirmed specificity
- Over 140 publications
- Trusted since 2000
pH: 7.2
Preservative: 0.02% Sodium azide
IHC-P | WB | ICC/IF | |
---|---|---|---|
Human | Tested | Tested | Tested |
Mouse | Tested | Expected | Expected |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 10-20 µg/mL | Notes - |
Species Mouse | Dilution info 10-20 µg/mL | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1/500.00000 - 1/1000.00000 | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 20 µg/mL | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info Use at an assay dependent concentration. | 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 (ab2064) is a rabbit polyclonal antibody detecting MyD88 in Western Blot, IHC-P, ICC/IF. Suitable for Human, Mouse.
- KO validated for confirmed specificity
- Over 140 publications
- Trusted since 2000
pH: 7.2
Preservative: 0.02% Sodium azide
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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Western blot: Anti-MYD88 antibody (ab2064) staining at 1/1000 dilution, shown in green; Mouse anti-CANX [CANX/1543] (Anti-Calnexin antibody [CANX/1543] ab238078) loading control staining at 1/20000 dilution, shown in red. In Western blot, ab2064 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 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 800CW and Goat anti-Mouse IgG H&L 680RD at 1/20000 dilution.
All lanes: Western blot - Anti-MyD88 antibody (ab2064) 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 3: HEK-293 cell lysate at 20 µg
Performed under reducing conditions.
Observed band size: 35 kDa
All lanes: Western blot - Anti-MyD88 antibody (ab2064) at 1 µg/mL
Lanes 1 - 2: Wild type MEFs whole cell lysate
Lanes 3 - 4: MyD88 knockout MEFs whole cell lysate
All lanes: HRP-conjugated goat anti-rabbit IgG polyclonal at 1/10000 dilution
Developed using the ECL technique.
Performed under reducing conditions.
Predicted band size: 33 kDa
Observed band size: 33 kDa
Exposure time: 15s
All lanes: Western blot - Anti-MyD88 antibody (ab2064) at 2 µg/mL
Lane 1: A549 cell lysate at 15 µg
Lane 2: HepG2 cell lysate at 15 µg
Lane 3: K562 cell lysate at 15 µg
Lane 4: HT29 cell lysate at 15 µg
Lane 5: HEK293 cell lysate at 15 µg
All lanes: Goat anti-rabbit IgG HRP conjugate at 1/10000 dilution
Predicted band size: 33 kDa
Immunocytochemistry/ Immunofluorescence analysis of 4% paraformaldehyde fixed Jurkat cells labeling MyD88 with ab2064 at 20 μg/mL, followed by goat anti-rabbit IgG secondary antibody at 1/500 dilution (green) and DAPI staining (blue).
Immunocytochemistry/ Immunofluorescence analysis of 4% paraformaldehyde fixed K562 cells labeling MyD88 with ab2064 at 20 μg/mL, followed by goat anti-rabbit IgG secondary antibody at 1/500 dilution (green) and DAPI staining (blue).
MyD88 Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) staining of Human Colon tissue using rabbit Anti-MyD88 antibody
Immunohistochemical analysis of paraffin-embedded human colon tissue using anti-MYD88 antibody (ab2064) at 1 µg/ml. Tissue was fixed with formaldehyde and blocked with 10% serum for 1 h at RT; antigen retrieval was by heat mediation with a citrate buffer (pH6). Samples were incubated with primary antibody overnight at 4°C. A goat anti-rabbit IgG H&L (HRP) at 1/250 was used as secondary. Counter stained with Hematoxylin.
Immunofluorescent analysis of methanol-fixed HeLa cells labeling MyD88 with ab2064 at 20 μg/mL, followed by goat anti-rabbit IgG secondary antibody at 1/1000 dilution (red) and Hoechst staining (blue). Alpha tubulin was stained with anti-alpha tubulin antibody following by goat anti-mouse IgG secondary antibody (green).
MyD88 Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) staining of Mouse heart tissue using rabbit Anti-MyD88 antibody
Immunohistochemical analysis of paraffin-embedded mouse heart tissue using anti-MYD88 antibody (ab2064) at 2 µg/ml. Tissue was fixed with formaldehyde and blocked with 10% serum for 1 h at RT; antigen retrieval was by heat mediation with a citrate buffer (pH6). Samples were incubated with primary antibody overnight at 4°C. A goat anti-rabbit IgG H&L (HRP) at 1/250 was used as secondary. Counter stained with Hematoxylin.
1 h incubation at RT in 5% NFDM/TBST.
All lanes: Western blot - Anti-MyD88 antibody (ab2064) at 2 µg/mL
Lane 1: WT HeLa Cells at 10 µg
Lane 2: MyD88 knockout HeLa Cells at 10 µg
All lanes: Goat Anti-Rabbit IgG HRP conjugate at 1/10000 dilution
Predicted band size: 33 kDa
1 h incubation at RT in 5% NFDM/TBST.
beta-actin was used as a loading control at 1 µg/mL.
All lanes: Western blot - Anti-MyD88 antibody (ab2064) at 2 µg/mL
Lane 1: HeLa WT cell lysate at 10 µg
Lane 2: MyD88 KO HeLa cell lysate at 10 µg
All lanes: Goat Anti-Rabbit IgG HRP conjugate at 1/10000 dilution
Predicted band size: 33 kDa
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