نتایج جستجو برای: aminotransferase
تعداد نتایج: 15300 فیلتر نتایج به سال:
An examination of the subcellular distribution of alanine aminotransferase activity in pig cardiac tissue showed that about 10% of the total activity was bound to particulate material, with the highest specific activity in the sarcosomal fraction. The soluble enzyme was obtained in a high state of purity, as indicated by sedimentation velocity, starch gel electrophoresis, and spectral analyses....
Sometimes, hepatitis B virus (HBV)-related cirrhotic patients with normal aminotransferase levels are closely followed-up for the elevation of aminotransferase levels instead of prompt antiviral therapy (AVT). We analyzed the long-term hepatocellular carcinoma (HCC) risk according to the aminotransferase levels in a retrospective cohort of 1,468 treatment-naïve, HBV-related, compensated cirrhos...
Measurements of alanine aminotransferase and aspartate aminotransferase with the SMAC were evaluated for correlation with the ABA-100, precision, linearity, and carryover. We assayed 200 specimens with normal and abnormal aminotransferase activities with both the SMAC (y) and the ABA-100 (X). Linear regression analysis of the data yielded the following: alanine aminotransferase (r = 0.9732, y =...
Tyrosine aminotransferase purified from epimastigotes of Trypanosoma cruzi displays an additional activity of alanine aminotransferase, absent in all other tyrosine aminotransferases characterized so far. Since the parasite's genome contains a high number of copies of the tyrosine aminotransferase gene, we could not rule out the possibility that two very similar proteins, with changed specifici...
In primary cultures of adult rat hepatocytes, the relative rate of ornithine aminotransferase synthesis is increased approximately 7- to 8-fold in response to dibutyryl cyclic AMP. The corresponding increase in ornithine aminotransferase messenger RNA under these conditions was observed to be only 2- to 3-fold. The levels of ornithine aminotransferase mRNA were measured by hybridization of cell...
Identity of rat kidney histidine-pyruvate aminotransferase with glutamine-oxo acid aminotransferase.
Histidine-pyruvate aminotransferase and glutamine-phenylpyruvate aminotransferase were purified from rat kidney by the same procedure. The ratio of the two activities remained constant during purification and was unchanged by a variety of treatments of the purified enzyme. Glutamine was found to act as a competitive inhibitor of histidine-pyruvate aminotransferase. These results suggest that ra...
Identity of isoenzyme 1 of histidine-pyruvate aminotransferase with serine-pyruvate aminotransferase
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