HRG beta-1 Proteins

Protein Information

Direct ligand for ERBB3 and ERBB4 tyrosine kinase receptors. Concomitantly recruits ERBB1 and ERBB2 coreceptors, resulting in ligand-stimulated tyrosine phosphorylation and activation of the ERBB receptors. The multiple isoforms perform diverse functions such as inducing growth and differentiation of epithelial, glial, neuronal, and skeletal muscle cells; inducing expression of acetylcholine receptor in synaptic vesicles during the formation of the neuromuscular junction; stimulating lobuloalveolar budding and milk production in the mammary gland and inducing differentiation of mammary tumor cells; stimulating Schwann cell proliferation; implication in the development of the myocardium such as trabeculation of the developing heart. Isoform 10 may play a role in motor and sensory neuron development.

Synonyms

6030402G23Rik; acetylcholine receptor-inducing activity; ARIA; Breast cancer cell differentiation factor p45; D230005F13Rik; GGF; GGF2; GGFII; Glial growth factor; glial growth factor 2; heregulin; heregulin, alpha (45kD, ERBB2 p185-activator); Hgl; HRG; HRG1; HRGA; HRGalpha; MST131; MSTP131; NDF; Neu differentiation factor; neuregulin 1; neuregulin 1 type III beta 3; Neuregulin-1; Nrg1; NRG1-IT2; Pro-neuregulin-1, membrane-bound isoform; pro-NRG1; sensory and motor neuron derived factor; Sensory and motor neuron-derived factor; SMDF; type I neuregulin 1; type III neuregulin 1