Schematic illustration (IMAGE) Science China Press Caption Schematic illustration of the inhibition of NPC migration and invasion by circCCNB1 through binding with NF90 and TJP1 mRNA. Credit ©Science China Press Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.