MIF and acute kidney injury: Subsequent studies found the serum level of MIF increased in the early stage of AKI, and a multitude of experimental results have proved that the MIF family plays an essential role in the AKI model caused by different causes, which is a potential target for predicting and treating AKI (Pohl et al., 2016; Baron-Stefaniak et al., 2017; Stoppe et al., 2018).