نتایج جستجو برای: alanine aminotransferase
تعداد نتایج: 36590 فیلتر نتایج به سال:
Conditions for accurate measurement of catalytic activity of aspartate aminotransferase and alanine aminotransferase in human serum have been reinvestigated. The basic variables (kind of buffer, buffer concentration, pH, ion effects, and the influence of pyridoxal-5-phosphate) can now be considered optimized. On this basis, the kinetic parameters of both aminotransferases were determined, i.e.,...
1. Alanine Aminotransferase (ALT) Alanine aminotransferase measurements are used in the diagnosis and treatment of certain liver diseases (e.g., viral hepatitis and cirrhosis) and heart diseases. Elevated levels of the transaminases can indicate myocardial infarction, hepatic disease, muscular dystrophy, or organ damage. Serum elevations of ALT activity are rarely observed except in parenchymal...
The pyridoxal form of alanine aminotransferase from pig heart catalyzes the a,/? elimination reaction with 3chloro-L-alanine as the substrate to form equimolar amounts of pyruvate, ammonia, and chloride. The maximum rate of the a,/3 elimination reaction was 2.5 pmol/min/mg at pH 7.0 (25”(Z), approximately 0.5% that of the transamination reaction between L-alanine and 2-oxoglutarate. Time-depend...
The pyridoxal form of alanine aminotransferase from pig heart catalyzes the a,/? elimination reaction with 3chloro-L-alanine as the substrate to form equimolar amounts of pyruvate, ammonia, and chloride. The maximum rate of the a,/3 elimination reaction was 2.5 pmol/min/mg at pH 7.0 (25”(Z), approximately 0.5% that of the transamination reaction between L-alanine and 2-oxoglutarate. Time-depend...
This study evaluated the effect of weight loss on pediatric nonalcoholic fatty liver disease (NAFLD). Subjects included 81 overweight NAFLD patients referred to two pediatric gastroenterologists from 2000 to 2010. Data on subjects were obtained from review of medical charts. The effect of weight loss was assessed at 1-4 months, 5-8 months, 9-12 months, and beyond one year as the change in weigh...
BACKGROUND: Biochemical markers for liver fibrosis (FibroTest) and necroinflammatory features (ActiTest) are an alternative to liver biopsy in patients with chronic hepatitis C. Our aim was to assess the inter-laboratory variability of these tests, and their 6 components (gamma-glutamyl transpeptidase, alanine aminotransferase, alpha2-macroglobulin, haptoglobin, apolipoprotein A1, and total bil...
OBJECTIVE This study was undertaken to determine the prevalence, epidemiology, and mother-child repercussions of increased alanine-aminotransferase levels from week 16 of pregnancy. STUDY DESIGN A longitudinal observational study of 381 pregnant women. The cause of increased alanine-aminotransferase levels during pregnancy and repercussions on the neonate were studied in 283 cases. Statistica...
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