نتایج جستجو برای: gamma glutamyltransferase
تعداد نتایج: 122982 فیلتر نتایج به سال:
One hundred and one young-adult female Sprague-Dawley rats were acclimatized to metabolic cages for 2 days. After that time 24-hour urine was collected at a constant cooling temperature of 0-4 degrees C. After gel filtration the enzyme activities were determined, and the resulting values were used to calculate 24-hour excretions. The following reference ranges (2.5 and 97.5 percentiles) were de...
In Chuvash polycythemia, homozygous von Hippel-Lindau (VHL) 598C>T leads to increased hypoxia inducible factor-1alpha and 2alpha, thromboses and lower systemic blood pressures. Circulating homocysteine, glutathione, gamma-glutamyltransferase and cysteinylglycine concentrations were higher in 34 VHL598C>T homozygotes than in 37 normal controls and cysteine was lower. Multivariate analysis showed...
Kinetics of phenotypic maturation of remodeling of hyperplastic nodules during liver carcinogenesis.
Hyperplastic nodules appearing during the preneoplastic phase of liver carcinogenesis were divided into two types, persistent and remodeling, according to the pattern of staining for gamma-glutamyltransferase. In the resistant cell model of liver carcinogenesis used in this study, hyperplastic nodules, uniformly staining for gamma-glutamyltransferase, rapidly emerge by 4 weeks after a single in...
A microvillar fraction was prepared from human kidney cortex. This fraction was seven to 10 times enriched in aminopeptidases N and A, gamma-glutamyltransferase, dipeptidyl peptidase IV, neutral endopeptidase and alkaline phosphatase. Dipeptidyl peptidase IV activity of human renal microvilli could be inhibited by di-isopropylphosphorofluoridate and neutral endopeptidase activity by phosphorami...
BACKGROUND Recent analyses have confirmed that Hispanic and black non-Hispanic Americans are at an increased risk for death from liver cirrhosis. The reasons for this are unknown. As a common cause of cirrhosis, differing sensitivities to alcohol-related hepatocellular injury may play a role. This study compared racial and ethnic aspartate aminotransferase and gamma-glutamyltransferase level el...
We describe the preparation of a new substrate, N-gamma-L-glutamyl-5-aminoisophthalic acid dimethyl ester hydro-chloride, for the fluorometric determination of gamma-glutamyltransferase activity in serum by the "front-surface" technique. Details of the resulting method are provided. The final reaction mixture contains 4 mmol of the substrate per liter of tris(hydroxymethyl)aminomethane (100 mmo...
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