: a polypeptide hormone that stimulates cell proliferation
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Human epidermal growth factor receptor 2 (HER2) is a protein that sits on the surface of breast cells, helping to regulate their growth and division.—New Atlas, 16 July 2025 For example, some stomach cancers have cells that have too much of a protein called human epidermal growth factor receptor 2 (HER2).—Marla Anderson, Verywell Health, 8 July 2025 Her lab results came back positive for an EGFR mutation, which is a change in the epidermal growth factor receptor gene that affects how cells grow and divide and may increase cancer spread in the body.—Hannah Harper, Health, 14 June 2025 Key Ingredients: Retinol, epidermal growth factor, allantoin, ectoin Size: 1.01 fl. oz.—Deanna Pai, Vogue, 6 Mar. 2025 Globally, in 2020, over 2.3 million new cases of breast cancer were diagnosed, of which 70% were a subtype known as estrogen receptor-positive (ER+) and human epidermal growth factor receptor 2-negative (HER2–).—New Atlas, 27 Jan. 2025 The deep-conditioning sheet mask uses epidermal growth factors to even out the skin tone and boost radiance.—Jenny Berg, Vogue, 21 Jan. 2025 So a good example is a subtype of lung cancer, which is driven by a mutation in the epidermal growth factor receptor, or EGFR.—quantamagazine.org, 15 Oct. 2024 Seen in over 60% of NSCLC cases, KRAS, epidermal growth factor (EGF), and ERBB2 are the most common genes involved.—Mark Gurarie, Health, 26 Sep. 2024
: a polypeptide hormone that stimulates cell proliferation especially of epithelial cells by binding to receptor proteins on the cell surface—abbreviation EGF
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