RBP4 and steatosis: The counterbalance between down-regulating RBP4 levels subsequent to improved steatosis and up-regulating RBP4 levels subsequent to improved hepatic necroinflammatory activity/fibrosis after SVR might diminish the pre- and post-therapy difference of RBP4 levels in G3 patients, and blunted the reversal of low RBP4 levels after SVR.