The human breast cancer cell line, MDA-MB-453, was treated with 100 ng/mL recombinant HRG-beta 1 (Catalog # 396-HB) for five minutes to induce tyrosine phosphorylation of ErbB3. Serial dilutions of lysates were ...read more
MDA-MB-453 cells were untreated or treated with 100 ng/mL of recombinant HRG-beta 1 (Catalog # 396-HB) for five minutes. Cell lysates (100 μg) were analyzed by R&D Systems’ Phospho-ErbB3 DuoSet IC ELISA (Catalog # ...read more
MDA-MB-453 cells were treated with 100 ng/mL of recombinant HRG-beta 1 (Catalog # 396-HB) for five minutes. The indicated amounts of ErbB3 (Catalog # 348-ER), ErbB2 (Catalog # 1129-ER) or EGF R (Catalog # 1095-ER) ...read more
ErbB3, also called Her3 (human epidermal growth factor receptor 3) in humans, is a type I transmembrane glycoprotein that is a member of the ErbB family of tyrosine kinase receptors. ErbB3 binds neuregulins NRG1 and NRG2, but lacks a working kinase domain; heterodimerization with another ErbB receptor is required for signaling. ErbB3 is important in development of Schwann cells, neural crest cells, heart valves and the sympathetic nervous system. When expressed with ErbB2 in breast, skin, ovary and gastrointestinal tumors, ErbB3 is a potent mitogen.