IFN-α Secretion Assay – Cell Enrichment and Detection Kit (PE), human

IFN-α Secretion Assay – Cell Enrichment and Detection Kit (PE), human

The IFN-α Secretion Assay – Cell Enrichment and Detection Kit was developed for the sensitive detection as well as the enrichment of human IFN-α–secreting cells.

Background information

Type I interferons (IFNs), including IFN-α, are a family of cytokines that have pleiotropic functions in the immune system.
1
Besides its potent antiviral activity, IFN-α exerts a variety of immunomodulatory effects, including positive and negative regulation of its own production, regulation of IL-12 and IFN-γ production, promotion of natural killer (NK) cell cytotoxicity, activation and maturation of dendritic cells, and the promotion of B cell development towards plasma cells.
2,3
IFN-α is expressed predominantly by CD123
+
CD11c
CD303 (BDCA2)
+
plasmacytoid dendritic cells, also referred to as natural IFN–producing cells. These cells, representing approximately 0.4% of total PBMCs, produce up to 1000-fold more type I IFNs than any other cell type. However, biologically relevant levels of IFN-α are also produced by other cell types, e.g., monocytes and myeloid dendritic cells.
4

Downstream applications

The kit can be used for the detection and enrichment of IFN-α–secreting cells for enumeration and phenotypic analysis as well as for culturing and functional characterization. Furthermore, the stimulatory or regulatory functions of cytokine-secreting monocytes and dendritic cells can be analysed.

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MS, LS, or autoMACS
®
Columns.
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