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TLR2 (Toll-like Receptor 2, Toll/Interleukin-1 Receptor-like Protein 4, CD282, TIL4) (Biotin)

TLR2 (Toll-like Receptor 2, Toll/Interleukin-1 Receptor-like Protein 4, CD282, TIL4) (Biotin)

Cat no: T8050-12R

Supplier: United States Biological
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The Toll-like receptors (TLRs) in mammals comprise a family of transmembrane proteins characterized by multiple copies of leucine rich repeats in the extracellular domain and an IL-1 receptor motif in the cytoplasmic domain. Like its counterparts in Drosophila, TLRs signal through adaptor molecules (1). The TLR family is a phylogenetically conserved mediator of innate immunity that is essential for microbial recognition (2). Ten human homologs of TLRs (TLR1-10) have been described (3). TLR2 is differentially expressed in human cells. TLR2 is expressed in tonsils, lymph nodes, and appendices, activated B-cells in germinal centers. CD14+ monocytes expressed the highest level of TLR2 followed by CD15+ granulocytes, and CD19+ B-cells, CD3+ T-cells, and CD56+ NK cells did not express TLR2. The expression of TLR2 in different cell types is regulated by different immune response modifiers. For example, LPS, GM-CSF, IL-1, and IL-10 up regulates TLR2 whereas IL-4, IFN-gamma, and TNF down regulate TLR2 expression in monocytes (4). Applications: Suitable for use in Immunofluorescence, Flow Cytometry, Immunoprecipitation and Immunocytochemistry. Other applications not tested. Recommended Dilution: Flow Cytometry (Cell Surface): 2-5ug/1x10e6 cells Flow Cytometry (Intracellular): 2-5ug/1x10e6 cells Immunoprecipitation: 2-5ug/ml Optimal dilutions to be determined by the researcher. Positive Control: Ramos cells Storage and Stability: May be stored at 4 degrees C. For long-term storage, aliquot and store at 4 degrees C. Do not freeze. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.
Catalogue number: T8050-12R
Reactivities: Human, Canine
Hosts: Mouse
Applications: Flow Cytometry, Immunocytochemistry, Immunofluorescence, Immunoprecipitation
Conjugates: Biotin
Size: 100ug
Form: Supplied as a liquid in PBS, 0.02% sodium azide. Labeled with Biotin.
P type: Mab
Isotype: IgG2a,k
Purity: Purified by Protein G affinity chromatography.
References: 1. Muzio M, Natoli G, Saccani S, Levrero M, and Mantovani A. J. Exp. Med. 187: 2097-2101 (1998). 2. Medzhitov R and Janeway CA. Cell 91: 295-298 (1997). 3. Chuang TH and Ulevitch RJ. Biochim. Biophys. Acta 1518 (1-2): 157-161 (2001). 4. Takeuchi O., Hoshino K, Kawai T, Sanjo H, Takada H, Ogawa K, Takeda K and Akira S. Immunity 11: 443 (1999). 5. Poltorak A, Riccardi-Castagnoli P, Citterio S, and Butler B. Proc. Natl. Acad. Sci USA 97: 2163-2167 (2000). 6. Medzhitov R, Preston-Hurlburt P and Janeway CA Jr. Nature 388 (6640), 394-397 (1997). 7. Akashi S, Shimazu R, Ogata H, Nagai Y, Takeda K, Kimoto M, Miyake K. J Immunol 164(7):3471-5 (2000).
Additional info: Recognizes human TLR2. Species Crossreactivity: canine.

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