ERBB3 Gene Amplification

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A molecular genetic abnormality indicating the presence of multiple copies of the ERBB3 gene.

**Synonyms:** - ERBB3 Amplification - Erb-B2 Receptor Tyrosine Kinase 3 Gene Amplification - ErbB-3 Gene Amplification - HER-3 Gene Amplification - HER3 Gene Amplification - V-Erb-A Erythroblastic Leukemia Viral Oncogene Homolog 3 Gene Amplification - c-erbB-3 Gene Amplification - c-erbB3 Gene Amplification