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AB307442

Anti-TLR3 antibody [EPR27050-89]

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Rabbit Recombinant Monoclonal TLR3 antibody. Suitable for WB and reacts with Human, Mouse samples.

View Alternative Names

CD283, Toll-like receptor 3, TLR3

2 Images
Western blot - Anti-TLR3 antibody [EPR27050-89] (AB307442)
  • WB

Supplier Data

Western blot - Anti-TLR3 antibody [EPR27050-89] (AB307442)

Blocking and diluting buffer and concentration : 5% NFDM/TBSTThe molecular weight observed is consistent with what has been described in the literature (PMID : 28717003). Exposure time : 103 seconds

All lanes:

Western blot - Anti-TLR3 antibody [EPR27050-89] (ab307442) at 1/1000 dilution

Lane 1:

J774A.1 (mouse reticum cell sarcoma monocyte macrophage) whole cell lysate at 20 µg

Lane 2:

Untreated HT-29 (human colorectal adenocarcinoma epithelial cell) whole cell lysate at 20 µg

Lane 3:

HT-29 treated with 1µg/ml poly(I:C) overnight whole cell lysate at 20 µg

Lane 4:

Untreated HCT116 (human colorectal carcinoma epithelial cell) whole cell lysate at 20 µg

Lane 5:

HCT116 treated with 1µg/ml poly(I:C) overnight whole cell lysate at 20 µg

Lane 6:

Human tonsil tissue lysate at 20 µg

Lane 7:

Mouse spleen tissue lysate at 20 µg

Secondary

All lanes:

Goat Anti-Rabbit IgG (HRP) with minimal cross-reactivity with human IgG at 1/2000 dilution

Observed band size: 75 kDa,120 kDa,150 kDa

false

Exposure time: 103s

Western blot - Anti-TLR3 antibody [EPR27050-89] (AB307442)
  • WB

Lab

Western blot - Anti-TLR3 antibody [EPR27050-89] (AB307442)

Western blot : ab307442 staining at 1/1000 dilution, shown in green; Mouse anti-Alpha Tubulin [DM1A] (ab7291) loading control staining at 1/20000 dilution, shown in magenta. In Western blot, the antibody was shown to bind specifically to TLR3. A band was observed at 135 kDa in wild-type A549 cell lysates with no signal observed at this size in TLR3 knockout cell line ab288996. To generate this image, wild-type and TLR3 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 fluorescent western blot (TBS-based) blocking solution 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-TLR3 antibody [EPR27050-89] (ab307442) at 1/1000 dilution

Lane 1:

Wild-type A549 control for Poly (I:C) (0 ug/mL, 24 h) cell lysate at 20 µg

Lane 2:

Wild-type A549 Treated Poly (I:C) (1 ug/mL, 24 h) cell lysate at 20 µg

Lane 3:

Wild-type A549 control for IFNb (0 IU/mL, 6 h) cell lysate at 20 µg

Lane 4:

Wild-type A549 Treated IFNb (100 IU/mL, 6 h) cell lysate at 20 µg

Lane 5:

TLR3 knockout A549 control for Poly (I:C) (0 ug/mL, 24 h) cell lysate at 20 µg

Lane 6:

TLR3 knockout A549 Treated Poly (I:C) (1 ug/mL, 24 h) cell lysate at 20 µg

Lane 7:

TLR3 knockout A549 control for IFNb (0 IU/mL, 6 h) cell lysate at 20 µg

Lane 8:

TLR3 knockout A549 Treated IFNb (100 IU/mL, 6 h) cell lysate at 20 µg

Observed band size: 135 kDa

false

  • Carrier free

    Anti-TLR3 antibody [EPR27050-89] - BSA and Azide free

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR27050-89

Isotype

IgG

Carrier free

No

Reacts with

Human, Mouse

Applications

WB

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

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Product details

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:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Preservative: 0.01% Sodium azide Constituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle

Supplementary information

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

TLR3 also known as Toll-like receptor 3 is a protein that plays an important role in immune response mechanisms. With a molecular mass of around 104 kDa TLR3 is part of the Toll-like receptor family and expresses mostly in immune cells including dendritic cells and macrophages. It locates mainly on the endosomal membrane where it recognizes double-stranded RNA (dsRNA) which is often a sign of viral infection. TLR3 initiates signaling cascades that lead to the activation of important immune transcription factors.
Biological function summary

TLR3 acts as a sensor for viral and endogenous dsRNA. This receptor forms part of the innate immune system serving as a first line of defense against microbial infections. Upon encountering its ligand TLR3 undergoes conformational changes which allow interaction with the adaptor protein TRIF (TIR-domain-containing adapter-inducing interferon-β). This interaction triggers a downstream signaling cascade that leads to the production of type I interferons and pro-inflammatory cytokines which are essential for mounting an effective antiviral response.

Pathways

TLR3 engages in important signaling cascades like the NF-kB and IRF3 pathways. These pathways are activated by the TRIF-dependent pathway which is unique among the Toll-like receptors. TLR3 influences the expression of genes involved in the inflammatory response and apoptosis. The interactions of TLR3 with other proteins such as MyD88 and IRAK1 are indirect as TLR3 does not depend on the usual MyD88-dependent pathway. This specificity makes TLR3 a critical component in pathogen recognition and response strategies within the immune system.

TLR3 has connections with several conditions primarily viral infections and autoimmune disorders like systemic lupus erythematosus (SLE). Mutations or dysregulation of TLR3 may lead to altered immune responses contributing to the pathogenesis of these diseases. TLR3's association with proteins like TRIF and IRF3 is significant in understanding its role in these conditions. Ongoing research investigates TLR3's potential as a therapeutic target to modulate immune responses in disease states.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Key component of innate and adaptive immunity. TLRs (Toll-like receptors) control host immune response against pathogens through recognition of molecular patterns specific to microorganisms. TLR3 is a nucleotide-sensing TLR which is activated by double-stranded RNA, a sign of viral infection. Acts via the adapter TRIF/TICAM1, leading to NF-kappa-B activation, IRF3 nuclear translocation, cytokine secretion and the inflammatory response.
See full target information TLR3

Product promise

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