Revision 1
Cell Signaling Technology

Orders: 877-616-CELL (2355) [email protected]

Support: 877-678-TECH (8324)

Web: [email protected] cellsignal.com

3 Trask LaneDanversMassachusetts01923USA
For Research Use Only. Not for Use in Diagnostic Procedures.
Applications:

FC-FP

REACTIVITY:

H

SENSITIVITY:

Endogenous

MW (kDa):

Source/Isotype:

Rabbit IgG

UniProt ID:

#Q9BZS1

Entrez-Gene Id:

50943

Product Information

Product Usage Information

Application Dilution
Flow Cytometry (Fixed/Permeabilized) 1:50

Storage

Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibody. Protect from light. Do not freeze.

Specificity / Sensitivity

FoxP3 (D6O8C) Rabbit mAb (Alexa Fluor® 647 Conjugate) recognizes endogenous levels of total FoxP3 protein.

Species Reactivity:

Human

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro293 of human FoxP3 protein.

Product Description

This Cell Signaling Technology antibody is conjugated to Alexa Fluor® 647 fluorescent dye and tested in-house for direct flow cytometric analysis in human cells. The antibody is expected to exhibit the same species cross-reactivity as the unconjugated FoxP3 (D6O8C) Rabbit mAb #12632.

Background

Forkhead box (Fox) proteins are a family of evolutionarily conserved transcription factors containing a sequence known as Forkhead box or winged helix DNA binding domain (1). The human genome contains 43 Fox proteins that are divided into subfamilies. The FoxP subfamily has four members, FoxP1 - FoxP4, which are broadly expressed and play important roles in organ development, immune response, and cancer pathogenesis (2-4). The FoxP subfamily has several characteristics that are atypical among Fox proteins: their Forkhead domain is located at the carboxy-terminal region and they contain motifs that promote homo- and heterodimerization. FoxP proteins usually function as transcriptional repressors (4,5).

FoxP3 is crucial for the development of T cells with regulatory properties (Treg) (6). Mutations in FoxP3 are associated with immune dysregulation, polyendocrinopathy, enteropathy, and X-linked syndrome (IPEX) (7), while overexpression in mice causes severe immunodeficiency (8). Research studies have shown that FoxP3 functions as a tumor suppressor in several types of cancer (9-11).

  1. Myatt, S.S. and Lam, E.W. (2007) Nat Rev Cancer 7, 847-59.
  2. Shu, W. et al. (2001) J Biol Chem 276, 27488-97.
  3. Lu, M.M. et al. (2002) Gene Expr Patterns 2, 223-8.
  4. Koon, H.B. et al. (2007) Expert Opin Ther Targets 11, 955-65.
  5. Li, S. et al. (2004) Mol Cell Biol 24, 809-22.
  6. Ochs, H.D. et al. (2007) Immunol Res 38, 112-21.
  7. Bennett, C.L. et al. (2001) Nat Genet 27, 20-1.
  8. Kasprowicz, D.J. et al. (2003) J Immunol 171, 1216-23.
  9. Zuo, T. et al. (2007) Cell 129, 1275-86.
  10. Zuo, T. et al. (2007) J Clin Invest 117, 3765-73.
  11. Wang, L. et al. (2009) Cancer Cell 16, 336-46.

Species Reactivity

Species reactivity is determined by testing in at least one approved application (e.g., western blot).

Applications Key

FC-FP: Flow Cytometry (Fixed/Permeabilized)

Cross-Reactivity Key

H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

Trademarks and Patents

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
XP is a registered trademark of Cell Signaling Technology, Inc.
This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5791 Van Allen Way, Carlsbad, CA 92008 USA or [email protected].
All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

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Revision 1
#12729

FoxP3 (D6O8C) Rabbit mAb (Alexa Fluor® 647 Conjugate)

Flow Cytometry Image 1: FoxP3 (D6O8C) Rabbit mAb (Alexa Fluor® 647 Conjugate) Expand Image
以浓度匹配的 Rabbit (DA1E) mAb IgG XP® Isotype Control (Alexa Fluor® 647 Conjugate) #2985(右图)作为对照,使用 FoxP3 (D6O8C) Rabbit mAb (Alexa Fluor® 647 Conjugate)(左图)和共同染色的 CD4 (RPA-T4) Mouse mAb (APC Conjugate) #48705 对人外周血单核细胞进行流式细胞分析。