Non-POU domain-containing octamer-binding protein mRNA (NONO mRNA)

Non-POU domain-containing octamer-binding protein (NONO) mRNA encodes a multifunctional protein, also known as p54nrb, which belongs to the Drosophila Behavior/Human Splicing (DBHS) family (UniProt: Q15233). This target is of significant interest in oncology because its overexpression is linked to the progression of various malignancies, including prostate cancer, melanoma, and neuroblastoma, where it acts as a co-activator for oncogenic transcription factors like the androgen receptor (PubMed: 27551076, PubMed: 30104378). Beyond its role in cancer, NONO is essential for normal cellular processes such as RNA splicing, DNA double-strand break repair, and the formation of nuclear paraspeckles (PubMed: 26371556). Therapeutic strategies targeting NONO mRNA primarily involve the use of antisense oligonucleotides (ASOs) or small interfering RNAs (siRNAs) to reduce the levels of the encoded protein and inhibit tumor growth (PubMed: 27551076). However, caution is required in drug development because loss-of-function mutations in the NONO gene are the primary cause of a specific form of X-linked intellectual disability, suggesting that systemic inhibition could lead to severe neurological side effects (OMIM: 300351).

Other names

p54nrbNMT55NRB54Non-POU domain-containing octamer-binding protein transcript

Antisense-mediated mRNA degradation or RNA interference leading to reduced protein expression levels.