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High performance liquid chromatography assay for alanine amino transferase

Chromatographia, 1991
An improved method of alanine-amino transferase determination is proposed. The reaction is carried out with alanine and 2-oxoglutarate as substrates and analysis is by HPLC on a reversed-phase chromatographic system using a C18 column and tetrabutylammonium phosphate in phosphate buffer (pH 7.0)-acetonitrile as mobile phase.
Silvia Canepari
exaly   +3 more sources

Inactive and active alanine 2-oxoglutarate amine transferase in maize embryo

Phytochemistry, 1977
Abstract Freshly prepared extracts of maize embryo exhibited a rise of alanine 2-oxoglutarate amine transferase activity when they were treated at temperatures ranging from 35 to 50° before the assay of the enzyme. The same rise of activity was observed when the extracts were incubated at 25° in the presence of alanine.
Bartolome Sabater
exaly   +2 more sources

Upper limit of plasma alanine amino transferase during Phase I studies

European Journal of Clinical Pharmacology, 1995
In Phase I clinical studies, the maximum tolerated dose has to be determined by a case by case analysis sometimes using a laboratory adverse effect, e.g. an increase in alanine amino transferase (ALT). For this reason a threshold to discriminate between significant or non significant adverse changes in ALT is required particularly in Phase I studies ...
M, Sibille   +5 more
exaly   +3 more sources

Utility of α-Glutathione S-transferase assessment in chronic hepatitis C patients with near normal alanine aminotransferase levels

Clinical Biochemistry, 2000
To study whether determining alpha-glutathione S-transferase (alpha-GST) might improve the assessment of chronic hepatitis C (CHC) patients with near normal alanine aminotransferase levels (NNA).We studied 119 viraemic CHC patients. They were subdivided into two groups according to the pattern of alanine aminotransferase (ALT) alteration, i.e ...
Edoardo G. Giannini
exaly   +4 more sources

A systematic review of data on biological variation for alanine aminotransferase, aspartate aminotransferase and γ-glutamyl transferase

Clinical Chemistry and Laboratory Medicine, 2013
Abstract Background: Alanine aminotransferase (ALT), aspartate aminotransferase (AST) and γ-glutamyl transferase (GGT) are enzymes measured in serum or plasma to investigate liver disease. The aim of this work is to assess the validity of published biological variation (BV) data currently available for these enzymes.
Anna Carobene   +2 more
exaly   +5 more sources

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