Immunofluorescence analysis of IgG, AID and Phospho-TLR3/CD283 pTyr759 polyclonal antibody (Product # PA5-23120) expression in a healthy donor (A) and a hyper-IgM (HIGM) syndrome patient (B and C). A and B: Paraformaldehyde-fixed, frozen tonsillar mucosa tissue sections. C. Paraformaldehyde-fixed, mucosal B cells from the colon lamina propria of the HIGM patient. Arrowheads indicate cells co-expressing phospho TLR3, AID, and IgG.
|Tested species reactivity||Human|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Synthetic peptide (755 EYAAYIIHAYKDK 767, where the 759 is a phospho Tyrosine) of TLR3/CD283 protein.|
|Purification||Antigen affinity chromatography|
|Storage buffer||PBS with 0.05% BSA|
|Contains||0.05% sodium azide|
|Storage Conditions||Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.|
|Tested Applications||Dilution *|
|Immunohistochemistry (Frozen) (IHC (F))||1:10-1:2000|
|Western Blot (WB)||0.1-1 µg/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
The Toll-like receptor (TLR) family in mammal comprises a family of transmembrane proteins characterized by multiple copies of leucine rich repeats in the extracellular domain and IL-1 receptor motif in the cytoplasmic domain. Like its counterparts in Drosophila, TLRs signal through adaptor molecules (1) and could constitute an important and unrecognized component of innate immunity in humans. The TLR family is a phylogenetically conserved mediator of innate immunity that is essential for microbial recognition (2). TLRs characterized so far activate the MyD88/interleukin-1 receptor-associated kinase (IRAK) signaling pathway. Ten human homologs of TLRs (TLR1-10) have been described (3). TLR3 cDNA codes for a protein with approximate molecular weight of 120 kDa (4). TLR3 has a restricted expression pattern being expressed in dendritic cells (DC) (4-6). TLR3 mRNA expression was detected by in situ hybridization in DC and lymph nodes (6). The expression of TLR3 in a single cell type may indicate a specific role for this molecule in a restricted setting.
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