GNAT3 and cholestasis: Specifically, the ratios of TCA/CA, GCDCA/CDCA, TUDCA/UDCA, GDCA/DCA, GCA/CA, TDCA/DCA, GLCA/LCA, and TLCA/LCA, as well as the contents of TCA and TDCA, may serve as potential indicators of the severity of EVO-induced cholestasis to a certain extent.