FGF23 and acute kidney injury: On the other hand, Gna11–/– liver had normal mRNA levels of Errg, and this was previously reported to be responsible for increased hepatic FGF23 production in an AKI mouse model (17) (Supplemental Figure 1; supplemental material available online with this article; https://doi.org/10.1172/jci.insight.178993DS1).