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The ErbB4 protein contains extracellular ligand binding domains, a transmembrane region and a cytoplasmic tail containing the tyrosine kinase domain and binding site for the HFR1 antibody. Upon ligand binding, ErbB4 homo- or hetero-dimerizes with other family members, becoming phosphorylated, and can be cleaved allowing translocation to the nucleus. The HRF1 antibody recognizes membranebound, cytoplasmic and nuclear ErbB4. Cytosolic ErbB4 expression was found to correlate with a positive prognosis in a subset of breast cancer patients, while nuclear ErbB4 expression was inversely correlated with tumor grade and aggressiveness of breast tumors.

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Name Clone Application Cat. No. Reg.  

Anti-Human/Mouse ErbB4 (Her4) eFluor® 570 (Discontinued)

HFR1 ICC, IHC, IP, WB 41-9687 RUO

Anti-Human/Mouse ErbB4 (Her4) Purified

HFR1 ICC, IHC, IHC-P, IP, WB 14-9687 RUO

Anti-Human/Mouse ErbB4 Biotin

HFR1 ICC, IHC, IHC-P, IP, WB 13-9687 RUO

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FC = Flow Cytometry, Intracellular Staining/Flow Cytometry; ELISA = ELISA, ELISPOT; Multiplex = Multiplex Immunoassays; ICC = Immunocytochemistry; IHC = Immunohistochemistry, Immunofluorescence, Microscopy, Imaging, In Vivo Imaging; IHC-F = Immunohistochemical Staining of Frozen Tissue Sections; IHC-P = Immunohistochemical Staining of Formalin-Fixed Paraffin Embedded Tissue Sections; FA = Functional Assays, Bioassays, Neutralization, Depletion Studies, Biomolecule Conjugation; IP = Immunoprecipitation; WB = Western Blotting

RUO = Research Use Only; GPR = General Purpose Reagent; ASR = Analyte Specific Reagent. Analytical and performance characteristics are not established; CE = CE-marked reagents