Mechanism for Bioactive Nanomaterial circ0024831 Regulation of Staphylococcal Nuclease Domain Containing 1 via RNA Methylation Recognition in Osteosarcoma
- PMID: 35484754
- DOI: 10.1166/jbn.2022.3256
Mechanism for Bioactive Nanomaterial circ0024831 Regulation of Staphylococcal Nuclease Domain Containing 1 via RNA Methylation Recognition in Osteosarcoma
Abstract
Bioactive nanomaterial circular RNA (circRNA) is an important non-coding RNA with a strong specificity, stable structure and high expression abundance. It can affect many diseases and physiological processes and may become a new way of disease diagnosis and targeted therapy. Recent studies have shown that Staphylococcal Nuclease Domain-Containing Protein 1 (SND1) can recognize N6-methyladenine (M6A) modified mRNA and regulate target mRNA stability. It can then control the expression of a series of downstream genes. However, whether SND1 can directly combine with circRNA and regulate its stability and function are new issues to be discussed. Results showed bioactive nanomaterial circ0024831 could directly bind to the Tudor domain of SND1 in the cytoplasm to block the recognition of SND1 to M6A modified RNA thus reducing the stability of downstream target gene mRNA and inhibiting the expression of downstream regulatory proteins. The down-regulation of circ0024831 expression in osteosarcoma cells relieved inhibition of SND1 which lead to change of tumor-related gene expression profile, promoting the occurrence and development of osteosarcoma.
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