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Human CD84 ELISA Pair Set

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Human CD84 Materials provided
Capture Ab:0.2 mg/mL of rabbit anti-CD84 monoclonal antibody. Dilute to a working concentration of 2.0 μg/mL in CBS before coating.
Detection Ab:0.5 mg/mL mouse antiCD84 mAbMM05H conjugated to horseradish-peroxidase (HRP). Dilute to working concentration of 0.5 μg/mL in detection antibody dilution buffer before use.
Standard:Each vial contains 400 ng of recombinant CD84. Reconstitute standard powder with 1 mL detection antibody dilution buffer. After reconstitution, store at -20℃ to -80℃ in a manual defrost freezer. A seven-point standard curve usi ng 2-fold serial dilutions in sample dilution buffer, and a high standard of 10000 pg/mL is recommended.
Human CD84 Specificity
Human CD84 Sensitivity
The minimum detectable dose of Human CD84 was determined to be approximately 156.25 pg/ml. This is defined as at least three times standard deviations above the mean optical density of 10 replicates of the zero standard.
Human CD84 Principle of the product
The human CD84 ELISA Pair Set is for the quantitative determinationof human CD84.
This ELISA Pair Set contains the basic components required for the development of sandwich ELISAs.
The Sino Biological ELISA Pair Set is asolid phase sandwich ELISA (Enzyme-Linked ImmunosorbentAssay). It utilizes a monoclonal antibody specific for CD84 coatedon a 96-well plate. Standards and samples are added to the wells, and any CD84 presentbinds to the immobilized antibody. The wells are washed and a horseradish peroxidase conjugated mouse anti-CD84 monoclonal antibody is then added, producing an antibody-antigen-antibody"sandwich". The wells are again washed and TMB substrate solution is loaded,which produces color in proportion to the amount of CD84 presentin the sample. To end the enzyme reaction, the stop solution is added and absorbances of the microwell are read at 450 nm.
Human CD84 Storage
Capture Antibody: Aliquot and store at -20℃ to -80℃ for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Detection Antibody: Protect it from prolonged exposure to light. Aliquot and store at -20℃ to -80℃ and for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Standard: Store lyophilized Standard at -20℃ to -80℃ for up to 6 months from date of receipt. Aliquot and store the reconstituted Standard at -80℃ for up to 1 month. Avoid repeated freeze-thaw cycles.
CD84 Background

The CD2 family receptors are type I transmembrane glycoproteins belonging to immunoglobulin (Ig) superfamily characterized by a membrane-proximal Ig constant 2 (C2) domain and a membrane-distal variable (V) domain that is responsible for ligand recognition. CD84, also known as LY9B and SLAMF5, is a homophilic member of the SLAM (signaling lymphocyte activation molecule) subfamily of the CD2 family. The SLAM family receptorsmediate signal transduction through the interaction of its ITSM (immunoreceptor tyrosine-based switch motifs) in the intracellular region and the SH2 domain of adaptor molecules SAP (SLAM-associated protein) and EAT-2 (EWS-activated transcript 2), and accordingly modulate both adaptive and innate immune responses. The CD84-CD84 interaction was independent of its cytoplasmic tail. Thus, CD84 is its own ligand and acts as a costimulatory molecule. CD84 is expressed on cells from almost all hematopoietic lineages and on CD34+ hematopoietic progenitor cells, suggesting that CD84 serves as a marker for committed hematopoietic progenitor cells.

Human CD84 References
  • Martin M, et al. (2001) CD84 functions as a homophilic adhesion molecule and enhances IFN-gamma secretion: adhesion is mediated by Ig-like domain 1. J Immunol. 167(7): 3668-76.
  • Tangye SG, et al. (2002) CD84 is up-regulated on a major population of human memory B cells and recruits the SH2 domain containing proteins SAP and EAT-2. Eur J Immunol. 32(6): 1640-9.
  • Zaiss M, et al. (2003) CD84 expression on human hematopoietic progenitor cells. Exp Hematol. 31(9): 798-805.
  • Tangye SG, et al. (2003) Functional requirements for interactions between CD84 and Src homology 2 domain-containing proteins and their contribution to human T cell activation. J Immunol. 171(5): 2485-95.
  • Yan Q, et al. (2007) Structure of CD84 provides insight into SLAM family function. Proc Natl Acad Sci U S A. 104(25): 10583-8.
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