KMT2A-AFF1 Fusion Protein Expression

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** Expression of a fusion protein that results from the insertion mutation ins(5;11)(q31;q13q23), which involves the human genes KMT2A and AFF1 and is associated with acute lymphoblastic leukemia.

**Synonyms:** - KMT2A-AF4 Fusion Protein Expression - MLL-AF4 Fusion Protein Expression - MLL-AFF1 Fusion Protein Expression - MLL-FEL Fusion Protein Expression - MLL/AF4 Fusion Protein Expression - MLL/AFF1 Fusion Protein Expression