Glucocorticosteroids and Transaminase Activity
نویسندگان
چکیده
منابع مشابه
Transaminase activity in human blood.
Enzymatic transamination consists of the enzyme catalyzed reversible transfer of the alpha amino nitrogen of an amino acid to an alpha-keto acid with the synthesis of a second amino acid and a second alpha-keto acid. Enzymes catalyzing different transamination reactions are found widely distributed in animal tissues and have been shown to change in activity in some tissues during disease (1-3)....
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It is now believed that the amino groups of isoleucine and valine are accepted by their respective carbon chains during biosynthesis via a transamination. Most of the evidence for this hypothesis has been derived from experiments on isoleucineless and valineless mutants of Escherichia coli and Neurospora crassu (l-4). It is not positively established whether this transamination step can be medi...
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THE quantitative and serial changes that occur in serum glutamic-oxaloacetic transaminase (SGOT) activity during the course of a myocardial infarction are well recognized. Changes in SGOT activity have been observed in other diseases such as hepatitis and pancreatitis (Wroblewski and LaDue, '955; Chinsky, Shmagranoff and Sherry, 1956) and after the administration of drugs such as chlorpromazine...
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The effects of treatment with cortisol on the growth and alanine-a-ketoglutarate transaminase 1 activity of Walker carcinosarcoma 256 were studied. Similarly, the effects of other conditions known to enhance gluconeogenic activity, such as diabetes, fasting, and high protein intake, were investigated. Each of these conditions was previously shown to be associated with elevated activity of alani...
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The neurotransmitter, norepinephrine, and structurally related primary catecholamines inhibited rat hepatic tyrosine transaminase activity (L-tyrosine:2-oxoglutarate aminotransferase, EC 2.6.1.5) in vitro. The inhibition was competitive with pyridoxal 5’-phosphate cofactor and an “apparent” I& of 4.0 x 10-e M was determined. (The “apparent” K,,, was 6.6 X 10-T M.) Those amines which were associ...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1959
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)70229-9