androgen receptor antisense oligonucleotide EZN-4176

A locked nucleic acid (LNA)-based antisense oligonucleotide targeting the androgen receptor (AR) mRNA, with potential antineoplastic activity. Upon administration, EZN-4176 is hybridized and releases the complementary sequences of AR mRNA, thereby blocking translation of the AR protein and inhibiting AR-induced tumor cell growth and promoting tumor cell apoptosis in AR-overexpressing tumor cells. AR is overexpressed in certain breast and prostate cancers and is involved in tumor cell proliferation and survival. LNAs contain a methylene bridge linking 2′-oxygen and 4′-carbon of ribose sugar rings, thereby increasing their thermal stability and decreasing degradation. Check for active clinical trials using this agent.

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