Figure 2. FGF21 Knockout Mice (IMAGE) Osaka University Caption FGF21 knockout mice (FGF21 KO) show inhibition of remyelination and functional recovery after demyelination. Credit Osaka University Usage Restrictions None License Licensed 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.