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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CEBPA-targeting saRNA MTL-CEBPA liposome
A lipid-based nanoparticle formulation composed of liposomes encapsulating a small oligonucleotide encoding a small activating RNA (saRNA) targeting the CCAAT enhancer binding protein alpha (CEBPA; C/EBP‐a) gene, with potential antineoplastic activity. Although the exact mechanism of action through which saRNAs exert their effect(s) is still largely being investigated, it appears that, upon administration, the CEBPA-targeting saRNA MTL-CEBPA liposome targets and binds to a specific DNA regulatory target region, most likely the promoter region, for the CEBPA gene. This restores CEBPA gene transcription, and increases both CEBPA mRNA levels and protein expression. This in turn activates the expression of tumor suppressor genes and may halt proliferation of susceptible tumor cells. Specifically, upregulation of CEBPA in liver cells abrogates liver cancer cell proliferation, prevents liver failure and normalizes liver function. CEBPA, a transcription factor that plays a key role in the regulation of the expression of genes with many functions, including those involved in cellular proliferation, metastasis and normal hepatocyte function, is found in many tissues, including liver cells, adipose tissue and myeloid cells. CEBPA is downregulated in certain types of cancer cells, such as liver cancer cells. saRNA is a short, double-stranded RNA that is structurally related to small interfering RNAs (siRNAs); saRNA is most likely to bind to a target site on the promoter of the CEBPA gene and upregulates its gene expression. Check for active clinical trials using this agent. (NCI Thesaurus)

Abbreviation:MTL-CEBPA
Code name:MTL-501