Detection of FoxP3 in Human PBMCs by Flow Cytometry. Human peripheral blood mononuclear cells (PBMCs) were stained with Goat Anti-Human/Mouse/Rat FoxP3 APC‑conjugated Antigen Affinity-purified Polyclonal Antibody (Catalog # IC3240A) and either (A) Mouse Anti-Human CD4 PerCP‑conjugated Monoclonal Antibody (Catalog # FAB3791C) or (B) Mouse Anti-Human IL‑2 R alpha PE-conjugated Monoclonal Antibody (Catalog # FAB1020P). Quadrant markers were set based on control antibody staining (Catalog # IC108A).
Detection of FoxP3 in Mouse Splenocytes by Flow Cytometry. Mouse splenocytes were stained with Goat Anti-Human/Mouse/Rat FoxP3 APC‑conjugated Antigen Affinity-purified Polyclonal Antibody (Catalog # IC3240A) and either (A) Rat Anti-Mouse CD4 PerCP‑conjugated Monoclonal Antibody (Catalog # FAB554C) or (B) Rat Anti-Mouse IL‑2 R alpha PE‑conjugated Monoclonal Antibody (Catalog # FAB2438P). Quadrant markers were set based on control antibody staining (Catalog # IC108A).
Preparation and Storage
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
12 months from date of receipt, 2 to 8 °C as supplied.
Human FoxP3 is a 47 kDa member of the P subclass of the FOX (forkhead box) family of transcription factors. It contains a Leu-rich repeat, a C2H2 zinc finger region, and a C-terminal FKH (fork head), DNA-binding domain. Three isoforms for FoxP3 have been reported. All three isoforms share the sequence used as the immunogen. FoxP3 directly associates with NFAT and NFkB, suppressing their activity in CD4+ T cells. In human, FoxP3 is found in CD4+, CD8+ and CD4+CD25+ T cells. Over the region used for immunization of the amino acid sequence, mouse FoxP3 is 83% to 88% identical to rat, human, canine, and bovine FoxP3.
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