Recombinant Human CD69 Protein (Catalog#11150-H08H)
Preparation
This antibody was produced from a hybridoma resulting from the fusion of a mouse myeloma with B cells obtained from a mouse immunized with purified, recombinant Human CD69 (rh CD69; Catalog#11150-H08H; NP_001772.1; Ser62-Lys199) and conjugated with PerCP under optimum conditions, the unreacted PerCP was removed.
Source
Monoclonal Mouse IgG1 Clone #06
Purification
Protein A
Formulation
PBS solution containing 0.5% BSA and 0.03%ProClin300
Concentration
5 μl/Test, 0.1 mg/ml
Conjugate
PerCP
Form
Liquid
Shipping
This antibody is shipped as liquid solution at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Storage
This antibody can be stored at 2℃-8℃ for twelve months without detectable loss of activity. Protected from prolonged exposure to light. Do not freeze !
Flow cytometric analysis of Human CD69 expression on PHA-activated human whole blood lymphocytes. Cells were stained with PerCP-conjugated anti-Human CD69. The fluorescence histograms were derived from gated events with the forward and side light-scatter characteristics of viable lymphocytes.
Early activation antigen CD69, also known as activation inducer molecule (AIM), is a single-pass type II membrane protein. Recently, cDNA clones encoding human and mouse CD69 were isolated and showed CD69 to be a member of the C-type lectin superfamily. It is one of the earliest cell surface antigens expressed by T cells following activation. Once expressed, CD69 acts as a costimulatory molecule for T cell activation and proliferation. In addition to mature T cells, CD69 is inducibly expressed by immature thymocytes, B cells, natural killer (NK) cells, monocytes, neutrophils and eosinophils, and is constitutively expressed by mature thymocytes and platelets. CD69 is involved in lymphocyte proliferation and functions as a signal transmitting receptor in lymphocytes, natural killer (NK) cells, and platelets. The structure, chromosomal localization, expression and function of CD69 suggest that it is likely a pleiotropic immune regulator , potentially important in the activation and differentiation of a wide variety of hematopoietic cells. This membrane molecule transiently expresses on activated lymphocytes, and its selective expression in inflammatory infiltrates suggests that it plays a role in the pathogenesis of inflammatory diseases. CD69 plays a crucial role in the pathogenesis of allergen-induced eosinophilic airway inflammation and hyperresponsiveness and that CD69 could be a possible therapeutic target for asthmatic patients.
References
Ziegler SF, et al. (1994) The activation antigen CD69. Stem Cells. 12(5): 456-65.
Marzio R, et al. (1999) CD69 and regulation of the immune function. Immunopharmacol Immunotoxicol. 21(3): 565-82.
Lamana A, et al. (2006) The role of CD69 in acute neutrophil-mediated inflammation. Eur J Immunol. 36(10): 2632-8.
Miki-Hosokawa T, et al. (2009) CD69 controls the pathogenesis of allergic airway inflammation. J Immunol. 183(12): 8203-15.