TLR4 Antibody from ANTIBODIES-ONLINE GmbH
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| Antigenic Specificity | TLR4 |
| Clone | MTS510 |
| Host Species | Rat |
| Reactive Species | mouse |
| Isotype | n/a |
| Format | biotin conjugate |
| Size | 50 µg |
| Concentration | n/a |
| Applications | Flow Cytometry, Functional Studies, Immunoprecipitation |
| Reviews / Ratings | If you have used this antibody, please help fellow researchers by submitting reviews to pAbmAbs and antYbuddY. |
| Description | The monoclonal antibody MTS510 reacts with the Toll-like receptor 4 (TLR4, CD284) that is associated with MD2. TLRs are expressed by various cells of the immune system, such as macrophages and dendritic cells. TLRs are class I receptors, with a single α-helix that spans the cell membrane. They recognize and respond to molecules derived from bacterial, viral and fungal pathogens, such as lipopolysaccharide (LPS) from the outer membrane of Gram negative bacteria, peptidoglycan fragments from bacterial cell walls and single-stranded and double-stranded RNA from viruses. Toll-like receptor 4 (TLR4, CD284) has been identified, next to MD-2 and CD14, as a receptor that is central to the innate immune response to LPS of Gram-negative bacteria. TLR4 is unique among TLRs in its ability to activate two distinct signaling pathways, one pathway is activated by the adaptors TIRAP (Toll/interleukin-1- receptor (TIR)-domain-containing adaptor protein) and MyD88, which leads to the induction of pro-inflammatory cytokines. The second pathway is activated by the adaptors TRIF (TIR-domaincontaining adaptor protein inducing interferon-β) and TRAM (TRIFrelated adaptor molecule), which leads to the induction of type I interferons. MD-2 exists as a cell surface protein in association with TLR4. It also exists as secreted forms consisting of MD-2 monomer and multimers. Circulating sMD-2 is mainly present as a doublet of ~20 and 25 kD, representing differentially glycosylated forms. Unlike TLR4, sMD-2 binds directly LPS without the need of soluble CD14 (sCD14). However, LPS-MD-2 interactions are increased when LPS is pretreated with CD14. Only monomeric sMD-2 is biologically active and able to associate with TLR4 and LPS. sMD-2 circulates in plasma of healthy individuals as a non-active, polymeric protein. In septic plasma, the total amount of sMD-2 was strongly elevated and contained both sMD-2 polymers and monomers. Soluble MD-2 is proposed to be an important mediator of organ inflammation during sepsis. During experimental human endotoxemia, the monomeric and total sMD-2 content in plasma increased with the kinetics of an acute phase protein. This parallels enhanced TLR4 costimulatory activity. In vitro studies revealed that sMD-2 release appears to be restricted to endothelial and dendritic cells. The monoclonal antibody MTS510 reacts preferentially, especially in flow cytometry, with mouse TLR4 that is associated with MD-2. MTS510 is a TLR4 function-blocking antibody that is useful for studies on the role of TLR4 as a receptor for LPS induced cytokine production by TLR4 bearing cells. The antibody was shown to coprecipitate MD-2 (30 kDa) with TLR4 (100 kDa). Aliases Toll-like receptor 4: TLR4, CD284, ARMD10 MD2: ESOP-1, myeloid differentiation protein-2, lymphocyte antigen 96 (Ly-96) 2 Immunogen Ba/F3 cells expressing mouse TLR4 and MD-2 Target Information: The protein encoded by this gene is a member of the Toll-like receptor (TLR) family which plays a fundamental role in pathogen recognition and activation of innate immunity. TLRs are highly conserved from Drosophila to humans and share structural and functional similarities. They recognize pathogen-associated molecular patterns that are expressed on infectious agents, and mediate the production of cytokines necessary for the development of effective immunity. The various TLRs exhibit different patterns of expression. This receptor has been implicated in signal transduction events induced by lipopolysaccharide (LPS) found in most gram-negative bacteria. Mutations in this gene have been associated with differences in LPS responsiveness. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2012]. |
| Immunogen | n/a |
| Other Names | ARMD10|CD284|TLR-4|TOLL|hToll|homolog of Drosophila toll|toll like receptor 4|TLR4|Toll-Like Receptor 4|Lps|Ly87|RanM1|Rasl2-8|lipopolysaccharide response|toll4|Toll-like receptor4 protein|Toll-like receptor 4-like protein |
| Gene, Accession # | Gene ID: 7099, 21898 |
| Catalog # | ABIN2191769 |
| Price | $419 |
| Order / More Info | TLR4 Antibody from ANTIBODIES-ONLINE GmbH |
| Product Specific References | n/a |
ANTIBODIES-ONLINE GmbH
ANTIBODIES-ONLINE GmbH
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52072 Aachen GERMANY
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