RNA molecules which hybridize to complementary sequences in either RNA or DNA altering the function of the latter. Endogenous antisense RNAs function as regulators of gene expression by a variety of mechanisms. Synthetic antisense RNAs are used to effect the functioning of specific genes for investigative or therapeutic purposes.

Synonyms: RNA, Antisense, 0, RNA, Anti-Sense, Anti Sense RNA, Antisense RNA, Anti-Sense RNA