Biotin anti-human CD284 (TLR4) Antibody

Pricing & Availability
Clone
HTA125 (See other available formats)
Workshop
HCDM listed
Other Names
Toll-like Receptor 4, TLR4, TLR-4, CD284
Isotype
Mouse IgG2a, κ
Ave. Rating
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Product Citations
publications
HTA125_Biotin_072307
Human peripheral blood monocytes stained with biotinylated HTA125, followed by Sav-PE
  • HTA125_Biotin_072307
    Human peripheral blood monocytes stained with biotinylated HTA125, followed by Sav-PE
Cat # Size Price Quantity Avail. Save
312804 100 µg $200
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Description

Toll-like receptors are type I transmembrane signaling receptors. They are primordial pathogen-recognition proteins that function as sentinels for the innate immune system. TLR4, also known as CD284, is a 110 kD protein which is expressed on monocytes/macrophages, endothelial cells, and at low levels on B cells and granulocytes. In association with a secretory molecule, MD2, TLR4 has been recognized as critical for host recognition of bacterial LPS. HTA125 antibody is useful for flow cytometric analysis and is able to block LPS-induced cytokine production.

Product Details
Technical data sheet

Product Details

Reactivity
Human, Cross-Reactivity: Guinea Pig
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
Ba/F3 cell line expressing human TLR4
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide
Preparation
The antibody was purified by affinity chromatography, and conjugated with biotin under optimal conditions. The solution is free of unconjugated biotin.
Concentration
0.5 mg/ml
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C. Do not freeze.
Application

FC - Quality tested

Recommended Usage

Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤2.0 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.

Application Notes

Additional reported applications (for the relevant formats) include: immunohistochemical staining of acetone-fixed frozen sections4, immunofluorescence microscopy6, Western blotting10, and in vitro blocking of LPS-induced cytokine production2,3,7,9. This clone was tested in-house and does not work on formalin fixed paraffin-embedded (FFPE) tissue. For most successful immunofluorescent staining results, it may be important to maximize signal over background by using a relatively bright fluorochrome-antibody conjugate (Cat. No. 312806) or by using a high sensitivity, three-layer staining technique (e.g., including a biotinylated antibody (Cat. No. 312804) or biotinylated anti-mouse IgG second step (Cat. No. 405303), followed by SAv-PE (Cat. No. 405204). The LEAF™ purified antibody (Endotoxin <0.1 EU/μg, Azide-Free, 0.2 μm filtered) is recommended for functional assays (Cat. No. 312807). For highly sensitive assays, we recommend Ultra-LEAF™ purified antibody (Cat. No. 312814) with a lower endotoxin limit than standard LEAF™ purified antibodies (Endotoxin <0.01 EU/µg).

Application References

(PubMed link indicates BioLegend citation)
  1. Skimazu R, et al. 1999. J. Exp. Med. 189:1777.
  2. Wang R, et al. 2003. Hybrid Hybridomics 22:357. (Block)
  3. Wang JE, et al. 2001. Infect. Immun. 69:2402. (Block)
  4. Ishihara S, et al. 2004 J. Immunol. 173:1406. (IHC)
  5. Kawahara T, et al. 2001 Infect. Immun. 69:4382.
  6. Jiang Q, et al. 2000. J. Immunol. 165:3541. (IF)
  7. Sugawara S, et al. 2001. Infect. Immun. 69:4951. (Block)
  8. Chavakis E, et al. 2007. Circ. Res. 100:204. PubMed
  9. Bhattacharyya S, et al. 2007. Am. J. Physiol. Gastrointest Liver Physiol. doi:10.1152/ajpgi.00149. (Block) PubMed
  10. Baumgarten G, et al. 2001. J. Infectious. Dis. 183:1617.
RRID
AB_314953 (BioLegend Cat. No. 312804)

Antigen Details

Structure
Type I transmembrane protein, Toll-like receptor family/IL-1R superfamily, 110 kD
Distribution

Monocytes/macrophages, endothelial cells, B cells and granulocytes

Function
Activates the innate immune system against Gram-negative bacterial pathogens by recognition of LPS
Ligand Receptor
Bacterial LPS
Cell Type
Monocytes, Macrophages, Endothelial cells, B cells, Granulocytes, Tregs
Biology Area
Cell Biology, Immunology, Innate Immunity, Neuroinflammation, Neuroscience, Neuroscience Cell Markers
Molecular Family
CD Molecules, Toll Like Receptors
Antigen References

1. Skimazu R, et al. 1999. J. Exp. Med. 189:1777.

Gene ID
7099 View all products for this Gene ID
UniProt
View information about CD284 on UniProt.org

Related FAQs

How many biotin molecules are per antibody structure?
We don't routinely measure the number of biotins with our antibody products but the number of biotin molecules range from 3-6 molecules per antibody.
Go To Top Version: 3    Revision Date: 07/13/2015

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*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, www.biolegend.com/ordering#license). BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products, reverse engineer functionally similar materials, or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.

 

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