aspartate aminotransferase n an enzyme that promotes transfer of an amino group from glutamic acid to oxaloacetic acid and that when present in abnormally high levels in the blood is a diagnostic indication of heart attack or liver disease called also aspartate transaminase, glutamic-oxaloacetic transaminase
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(AST)
an enzyme involved in the transamination of amino acids. Measurement of AST in the serum may be used in the diagnosis of acute myocardial infarction and acute liver disease. It was formerly called serum glutamic oxaloacetic transaminase (SGOT).
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as·par·tate ami·no·trans·fer·ase (ə-spahrґtāt ə-me″no-transґfər-ās) aspartate transaminase.Medical dictionary. 2011.