Peripheral blood granulocytes are classified into neutrophils, basophils and eosinophils according to the staining characteristics of their cytoplasmic granules. Granule proteins are released by physiologic and pharmacologic stimuli and play important roles in both normal and pathological host immune responses. Eosinophil major basic protein and eosinophil peroxidase (EPX) are granule proteins specific to the eosinophil. AHE-1 recognizes human EPX, a granule protein specific to eosinophils. It does not cross-react with eosinophil major basic protein, elastase, cathepsin G, esterase N, thrombin, plasmin, kallikrein, lactoferrin, or transferrin. This MAb stains eosinophils only and does not stain other peripheral blood cells, including platelets, neutrophils, monocytes, lymphocytes or red blood cells. Human EPX gene product can form a tetramer of two light chains and two heavy chains. Other peroxidase family members include myeloperoxidase (MPO), lactoperoxidase (LPO), and thyroid peroxidase (TPO).
Formulation
1 mg/ml in 1X PBS; BSA free, sodium azide free
Host
Rabbit
Immunogen Region
Human eosinophils from a patient with hypereosinophilic syndrome were used as the immunogen for the EPX antibody.
Isotype
Rabbit IgG
Species Reactivity
Human
Note
Optimal dilution of the recombinant EPX antibody should be determined by the researcher.
Uniprot
P11678
Format
Purified
Purity
Protein A affinity chromatography
Storage
Store the recombinant EPX antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).
Applications
FACS, IF, IHC-P
Description
Flow cytometry: 0.5-1ug/million cells,Immunofluorescence: 0.5-1ug/ml,Immunohistochemistry (FFPE): 1-2ug/ml for 30 minutes at RT