[Cited FineTest ELISA Kit] Current Research on circRNA Therapeutics

FineTest ELISA kit contributes to the research on circRNA therapeutics. The immunoassay is designed to measure EPO level in supernatant.

Article Title: Split intron-exon system for circular RNA synthesis
Journal Title: Nature Communications
DOI: 10.1038/s41467-026-75923-8
IF: 18.1
PMID: 42660903

Abstract: Ribozyme-based approaches have been extensively employed for in vitro circular RNA (circRNA) synthesis. However, several critical challenges are impeding the progress in this field, including the relatively low ribozyme utilization efficiency, limited synthetic flexibility, and complicated downstream purification procedures. Here, we introduce a split intron-exon (SIE) system for circRNA synthesis by physically separating the ribozyme from its substrates. This design ensures efficient circRNA synthesis by overcoming the inherent limitations of current ribozyme-based techniques, in which each ribozyme can only catalyse the synthesis of at most one circRNA molecule. Moreover, the SIE system enables the efficient synthesis of both unmodified and chemically modified circRNAs. Furthermore, the recyclability and immobilization of the ribozyme within the SIE system reduce reaction impurities and improves circRNA enrichment and yield. Overall, the SIE system holds great potential to advance the diversification and large-scale development of circRNA therapeutics.

Immunoassay

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Figure Source: Nat Commun. 2026 Jul 28;17(1):9163. doi: 10.1038/s41467-026-75923-8.