gp100 Antigen

**Semantic type:** Amino Acid, Peptide, or Protein|Immunologic Factor|Pharmacologic Substance

**Definition:** A melanoma-associated antigen. When administered in a vaccine formulation, gp100 antigen may stimulate a cytotoxic T cell HLA-A2.1-restricted immune response against tumors that express this antigen, which may result in a reduction in tumor size. (NCI04)

**Synonyms:** - GP-100 ANTIGEN - glycoprotein 100 - gp 100 - gp100 - gp100