Flow cytometric analysis of human PBMC (human peripheral blood mononuclear cell) labelling CD123 antibody at 1/500 (1 μg) dilution (Right) compared with a Mouse monoclonal IgG isotype control (Left). Goat Anti - Mouse IgG Alexa Fluor® 488 was used as the secondary antibody. Then cells were stained with HLA-DR - Brilliant Violet 605 separately. Gated on total viable cells.
Product Details
Product Details
Product Specification
Host | Mouse |
Antigen | CD123 |
Synonyms | Interleukin-3 receptor subunit alpha; IL-3 receptor subunit alpha; IL-3R subunit alpha; IL-3R-alpha; IL-3RA; IL3RA; IL3R |
Location | Cell membrane |
Accession | P26951 |
Clone Number | S-R442 |
Antibody Type | Mouse mAb |
Isotype | IgG2a,k |
Application | FCM |
Reactivity | Hu |
Purification | Protein A |
Concentration | 5 mg/ml |
Conjugation | Unconjugated |
Physical Appearance | Liquid |
Storage Buffer | PBS, 40% Glycerol, 0.05% BSA, 0.03% Proclin 300 |
Stability & Storage | 12 months from date of receipt / reconstitution, -20 °C as supplied |
Dilution
application | dilution | species |
FCM | 1:500 |
Background
The CD123 protein, also known as the Interleukin-3 receptor subunit alpha (IL-3RA) or CD123, is a crucial component of the interleukin-3 (IL-3) receptor complex and belongs to the Type I cytokine receptor family, specifically the Class 5 subfamily. CD123 serves as the high-affinity receptor for IL-3, forming a heterodimeric receptor complex with the β chain (CSF2RB). This protein mediates the stimulatory effects of IL-3 on the proliferation and differentiation of various hematopoietic cells, including pluripotent hematopoietic stem cells and lineage-committed cells. CD123 is expressed on normal plasmacytoid dendritic cells, basophils, monocytes, and eosinophils, and is overexpressed in various hematologic malignancies. In clinical research, the expression of CD123 is associated with chemotherapy resistance and high-risk genetic alterations in certain leukemias, such as acute myeloid leukemia (AML).
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