NCI Drug Dictionary

The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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H3.3K27M-specific peptide vaccine
A vaccine composed of a peptide derived from histone H3.3 containing the amino acid substitution mutation lysine (Lys) 27-to-methionine (H3.3K27M), with potential immunoactivating and antineoplastic activities. Upon administration of the H3.3K27M-specific peptide vaccine, the immune system may exert a cytotoxic T-lymphocyte (CTL)-mediated immune response against H3.3K27M-expressing tumor cells. The H3.3K27M mutation alters the methylation and acetylation profile of the histone H3 variant H3.3 at Lys 27. Modification of H3.3 at Lys 27 regulates gene expression, and the H3.3K27M mutation occurs in a variety of cancer cell types. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:H3.3K27M peptide vaccine