Description: The 1C1 monoclonal antibody reacts with the human CD131 molecule, also known as the common beta subunit (betaC). The common beta subunit associates with the specific alpha subunits of IL-3 receptor, IL-5 receptor and GM-CSF receptor to form high affinity receptors for these cytokines. These cytokine receptors are expressed by neutrophils, eosinophils, monocytes, endothelial cells, fibroblasts and hematopoietic progenitor cells and play a crucial role in growth/activation of eosinophils and in the inflammatory response. Applications Reported: This 1C1 antibody has been reported for use in flow cytometric analysis. Applications Tested: This 1C1 antibody has been pre-titrated and tested by flow cytometric analysis of normal human peripheral blood cells. This can be used at 5 µL (0.25 µg) per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. Excitation: 488-561 nm; Emission: 578 nm; Laser: Blue Laser, Green Laser, Yellow-Green Laser. Filtration: 0.2 µm post-manufacturing filtered.The human IL-3, IL-5 and GM-CSF receptors are each composed of both unique a subunits and a common beta subunit. The a subunits are low affinity ligand binding proteins while the beta subunits do not themselves bind ligand, but are required for high affinity binding by the a subunits. In contrast, the mouse IL-3 receptor has two distinct beta subunits, one that functions only in IL-3 mediated cell signaling and a second that is shared with IL-5 and GM-CSF. The murine beta-subunits are 91% homologous at the amino acid level but only 56% homologous to the human beta subunit. Although neither the murine nor the human beta subunit contains tyrosine kinase domains, both activate tyrosine phosphorylation mediated signaling pathways.
|4° C, store in dark, DO NOT FREEZE!|
|PBS with 0.1% gelatin, 0.2% BSA and 0.09% sodium azide; pH 7.2|
For Research Use Only.
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