ALT (122.82 ± 36.23 U/l) and AST levels (409.48 ± 73.06 U/l) in obstructive jaundice group were significantly higher than those in sham rats (40.79 ± 9.24 and 88.72 ± 29.31 U/L, respectively, P<0.01). Here, GPT is linked to obstructive jaundice.