Biallelic TP53 Gene Inactivation

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** The presence of inactivating alterations affecting both alleles of the TP53 gene.

**Synonyms:** - Biallelic BCC7 Gene Inactivation - Biallelic LFS1 Gene Inactivation - Biallelic Li-Fraumeni Syndrome Gene Inactivation - Biallelic TRP53 Gene Inactivation - Biallelic Tumor Protein p53 Gene Inactivation - Biallelic p53 Gene Inactivation