Mouse Anti-Human MD-1
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|Centrifuge vial prior to opening. Reconstitute the antibody with 500 µl sterile PBS and the final concentration is 200 µg/ml.
|Stability and Storage
|Lyophilized samples are stable for 2 years from date of receipt when stored at -20°C. Reconstituted antibody can be aliquoted and stored frozen at < -20°C for at least six months without detectable loss of activity.
|This antibody was produced from a hybridoma (mouse myeloma fused with spleen cells from a mouse) immunized with human recombinant protein of MD-1.
|recombinant human MD-1
|LY86; MD-1; MMD-1; dJ80N2.1; RP1-80N2.1
|MD1 is a secreted glycoprotein that is associated with RP105 and is required for efficient RP105 cell surface expression and function. RP105 is a type I transmembrane glycoprotein with extracellular leucine rich repeats (LRR) typically found in Toll-like receptor (TLR) family members. However, RP105 has a short cytoplasmic tail and lacks the Toll-IL1 R (TIR) domain that defines the IL1 R/TLR superfamily. RP105 plays an important role in B-cell activation by bacterial lipopolysaccharide (LPS). It is expressed primarily on mature B cells, dendritic cells and macrophages. Human MD1 cDNA encodes a 162 amino acid (aa) precursor protein with a putative 19 aa signal peptide and two potential N-linked glycosylation sites. It shares 38% and 66% amino acid sequence identity with chicken and mouse MD1 respectively. MD1 is mainly expressed in spleen, and also detectable in liver, brain, thymus, and kidney. The cell surface RP105/MD 1 complex, in conjunction with TLR4, mediates the innate immune response to LPS in B cells. Activation of the RP105 complex has been shown to protect against apoptosis, induce B-cell proliferation and upregulate B7.2, a costimulatory molecule. Since MD1 is also expressed in liver and brain where RP105 is absent, MD1 may also be associated with other LRR-containing molecules, or have additional functions outside the immune system.
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