Growth Factor Receptor

**Semantic type:** Amino Acid, Peptide, or Protein|Receptor

**Definition:** A class of cell surface proteins that bind to extracellular polypeptide molecules triggering intracellular signaling pathways that activate various cellular responses such as cell proliferation and/or differentiation. (NCI)

**Synonyms:** - Growth Factor, Receptor - Proto-Oncogene, Growth Factor Receptor