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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cobomarsen
A locked nucleic acid (LNA)-based oligonucleotide inhibitor of microRNA (miRNA) 155 (miR-155), with potential antineoplastic activity. Upon administration, cobomarsen targets, binds to and inhibits miR-155. This silences miR-155 and prevents the translation of certain tumor promoting genes, which leads to the induction of cancer cell apoptosis and the inhibition of tumor cell growth. miR-155, an oncogenic single-stranded, non-coding RNA that is critical to the regulation of gene expression, is overexpressed in certain tumor cell types. Up-regulation of miR-155 plays a key role in increased tumor cell proliferation and survival. The LNA is an RNA analog in which the ribose ring is locked in a particular confirmation that increases stability. Compared to the unmodified oligonucleotide, the LNA-modified oligonucleotide shows increased affinity for its target miR-155. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:anti-miR-155 oligonucleotide MRG-106
LNA antimiR-155 MRG-106
LNA-based antimiR-155 MRG-106
microRNA-155 antagonist MRG-106
MiR-155 antagonist MRG-106
Code name:MRG-106