Revision 1

#57481Store at -20C

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:

WB

REACTIVITY:

H

SENSITIVITY:

Endogenous

MW (kDa):

70

SOURCE:

Rabbit

UniProt ID:

#P26951

Entrez-Gene Id:

3563

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.

Specificity / Sensitivity

IL3RA/CD123 Antibody recognizes endogenous levels of total IL3RA/CD123 protein.

Species Reactivity:

Human

Source / Purification

Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues near the amino terminus of human IL3RA/CD123 protein. Antibodies are purified by peptide affinity chromatography.

Background

IL3RA/CD123 is the alpha subunit of an IL-3 receptor that also contains the common beta chain (βc) shared with receptors for other cytokines. IL3RA/CD123 alone binds to IL-3 with high specificity but low affinity and it does not transduce intracellular signaling, while βc alone does not bind to IL-3 appreciably. Together, IL3RA/CD123 and βc form the functional high-affinity receptor for IL-3. IL3RA/CD123 is mainly expressed on the hematopoietic progenitor cells, primarily the granulocytic and monocytic linages (1,2). IL3RA/CD123 is highly expressed on leukemic stem cells in the majority of AML (acute myeloid leukemia) patients and is correlated with poor prognosis. In addition, overexpression of IL3RA/CD123 has also been reported for other hematopoietic malignancies (3-5). It is considered as a valuable therapeutic target for these malignancies (6-8).

  1. Miyajima, A. (1992) Int J Cell Cloning 10, 126-34.
  2. Goodall, G.J. et al. (1993) Growth Factors 8, 87-97.
  3. Muñoz, L. et al. (2001) Haematologica 86, 1261-9.
  4. Testa, U. et al. (2002) Blood 100, 2980-8.
  5. Testa, U. et al. (2004) Leukemia 18, 219-26.
  6. Liu, K. et al. (2015) Life Sci 122, 59-64.
  7. Pemmaraju, N. (2017) Curr Hematol Malig Rep 12, 510-12.
  8. Cummins, K.D. and Gill, S. (2018) Leuk Lymphoma 59, 1539-53.

Species Reactivity

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

Western Blot Buffer

IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.

Applications Key

WB: Western Blotting

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.
All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

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