Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound   Target Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound

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Query: EC:2.6.1.2 (alanine aminotransferase)
26,722 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Serum chemistry values were obtained from 64 adult San Joaquin kit foxes (Vulpes macrotis mutica) in western Kern County, California (USA). The goal of the study was to establish normal chemistry values for this endangered species. No significant differences were found for mean values of alanine aminotransferase (217.1 IU/l), alkaline phosphatase (44.2 IU/l), cholesterol (145.6 mg/dl), total protein (5.8 g/dl), creatinine (0.63 mg/dl), calcium (8.2 mg/dl), albumin (3.0 g/dl), glucose (129.2 mg/dl), amylase (196.8 IU/l), sodium (153.7 mEq/l) and phosphorus (5.42 mg/dl) between sexes or seasons. Significant differences were noted for aspartate aminotransferase, blood urea nitrogen and potassium between seasons. Possible disturbances in normal hepatic and renal functions were noted.
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PMID:Serum chemistry values of the endangered San Joaquin kit fox (Vulpes macrotis mutica). 151 73

The purpose of this study was to test the hypothesis that different hepatocellular functions are regulated individually during sepsis. This was done by simultaneously measuring bile production, release of liver transaminases, and synthesis of secreted proteins in perfused livers from control and septic rats. Sepsis was induced by cecal ligation and puncture (CLP); control rats were sham-operated. After 16 hours, livers were perfused in situ, and bile flow, synthesis rates of albumin and alpha 1-acid glycoprotein (a major acute-phase protein in rats), and release of glutamic-oxaloacetic transaminase (GOT) and glutamic-pyruvic transaminase (GPT) into perfusate were determined. Within the same livers, sepsis resulted in a 54% increase in the synthesis of alpha 1-acid glycoprotein and approximately 30% inhibition of albumin synthesis concomitant with 50% lower bile flow. The concentrations of GOT and GPT in the perfusate increased slightly during the experiments, both when control and septic livers were perfused. The maintained tissue levels of adenosine triphosphate (ATP) and the uptake of Evans blue dye by less than 1% of the hepatocytes, although a late test of viability, suggest that both control and septic livers remained viable during perfusion. The results are consistent with the concept that different hepatocellular functions are individually regulated during sepsis. Thus, impairment of certain hepatocellular functions does not necessarily imply generalized liver failure.
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PMID:Individual regulation of different hepatocellular functions during sepsis. 151 25

The concentrations of human plasma albumin (HPA) and alpha-1-acid glycoprotein (AAG) were measured in the serum obtained from 84 healthy subjects, 56 umbilical cords, 41 patients with renal failure, 65 patients maintained on chronic hemodialysis and 46 patients with liver cirrhosis. Severity of liver dysfunction was assessed with the use of Pugh et al. [1973] classification. Of the cirrhotic patients, 12, 22 and 12 patients were classified as mild, moderate and severe liver dysfunction, respectively. The coefficient of variation of AAG was greater than HPA in all groups of subjects, and the variability of HPA and AAG is increased in patients compared to healthy subjects. As the liver dysfunction progresses, HPA concentration decreases whereas, the average AAG concentration is not changed in mild, moderate and severe liver dysfunction. The coefficients of variation for HPA and AAG in moderate and severe liver disease is over twice those for healthy subjects. The concentration of HPA is normally distributed in all groups of subjects, with the exception of the cord serum. The frequency distribution of AAG was normal in healthy subjects whereas, it was asymmetric, being positively skewed, in newborn, in renal and liver patients. The wide interindividual variability and the not-normal frequency distribution of AAG in liver or renal patients make its mean of little value in defining a group. Neither HPA nor AAG correlated with the clearance of creatinine in renal patients. In liver disease, HPA and AAG did not correlate with GPT and GOT activities, prothrombinic activity and bilirubin concentration. HPA did not correlate with AAG in any group.
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PMID:Interindividual variability in the concentrations of albumin and alpha-1-acid glycoprotein in patients with renal or liver disease, newborns and healthy subjects: implications for binding of drugs. 157 57

The sera from 144 patients (27 males and 117 females) with documented gallstones were assayed for eight different biochemical quantities, in order to study the pattern of specific biochemical changes in the blood of such patients and to establish any aetiologic relationship with gallstones. These quantities included: fasting glucose, alkaline phosphatase, alanine aminotransferase, total protein, albumin, total bilirubin, fasting total cholesterol, and fasting triacylglycerol. The same analysis was performed on sera obtained from 50 (9 males and 41 females) age- and sex-matched healthy controls. The statistical analysis showed that female patients had significantly higher values for fasting plasma glucose; alkaline phosphatase, total protein and albumin; and significantly lower values for bilirubin and total cholesterol than female controls. No overall differences in the levels of alanine aminotransferase and triacylglycerol were observed between the two female groups. Male patients on the other hand showed significantly higher values for fasting glucose and alkaline phosphatase than male controls. All other quantities, however, were not significantly different between the two male groups. When chemical analysis of the gallstones was performed, no consistent relationship was observed between the level of any of the above mentioned quantities and the chemical subtype of the gallstone (for both male and female patients). These data suggest that no specific serum biochemical pattern characterizes gallstone disease, and that there is no relationship between the stone type and the serum level of the studied quantities.
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PMID:The pattern of serum biochemical abnormalities in patients with gallstones. 157 35

An improved understanding of medical problems of alcoholic patients can be gained from commonly encountered laboratory test results. Liver function tests--such as measures of alkaline phosphatase, gamma-glutamyl transpeptidase, aspartate aminotransferase, alanine aminotransferase, and lactate dehydrogenase--may provide evidence of altered hepatic activity of different types, such as obstruction and hepatocellular injury. Other test results may indicate impaired hepatic function, such as measurements of albumin, bilirubin, prothrombin time, and blood urea nitrogen. Alterations are also common in electrolytes, blood glucose, magnesium, phosphate, uric acid, and acid-base balance. Disturbances in hematologic function are not infrequent in alcoholic patients, including anemias from many causes, altered granulocyte responses, and thrombocytopenia.
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PMID:Clinical significance in alcoholic patients of commonly encountered laboratory test results. 159 68

Most laboratories in Pakistan use expensive imported clinical chemistry reagent kits resulting in high cost/test to the patients. To reduce these costs, reagents were prepared from basic chemicals, substrates and enzymes imported from Sigma Chemical Company U.K. This reduced the cost/test by up to 500% in some reagents. The quality of these reagents was tested by Wellcome External, Q.C. Locally prepared reagents were comparable to or better than commercial reagents systems in terms of accuracy and precision. This paper describes the preparations according to I.F.C.C., costs and quality control of some of the reagents i.e., glucose, calcium, bilirubin, albumin, total protein, urea, ALT, AST and LDH and their comparisons with equivalent commercial kits.
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PMID:Economy and quality assessment of home made clinical chemistry reagents. 159 26

Overall 40 neonates with conjugation jaundice were examined. A study was made over time (after 1 and 5 days) of the content of bilirubin, cholesterol, total protein, cholyl glycine, cholinesterase, and alanine aminotransferase before and after surgical treatment (substitution transfusion and hemoperfusion). It has been established that substitution transfusion inhibits protein synthesizing liver function and raises the content of cholyl glycine. In the authors, opinion, this reduces the bilirubin-binding capacity of albumin and increases hepatocyte membrane permeability. Extracorporeal detoxication makes protein synthesizing liver function return to normal, minimizes the content of cholyl glycine, promoting the growth of the bilirubin-binding capacity of albumin.
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PMID:[Liver function in newborn infants with conjugation hyperbilirubinemia after exchange transfusion and hemosorption]. 161

Liver transplantation is currently the only effective therapy for patients with fulminant hepatic failure. The availability of an artificial liver could bridge these patients through the relatively brief crisis period and allow their own livers to regenerate, providing a more favorable outcome and sparing the trauma and expense of transplant. We have developed a device consisting of a highly differentiated human liver cell line cultured in a hollow fiber cartridge. This device is capable of supporting dogs with acetaminophen-induced fulminant hepatic failure for a period long enough for their own livers to resume function. Even though liver function tests such as albumin and prothrombin time became extremely abnormal during the course of the experiment, the dogs did not become encephalopathic. Two of the three treated animals recovered sufficient liver function after 42 to 48 hr of treatment that they could be disconnected from the device, and they survived the experiment. Histological results and serum ALT levels suggest that the device affected the course of the disease in two animals, allowing recovery of hepatocytes that would otherwise have lysed. In the third animal, regenerative nodules demonstrated that, even in the presence of severe liver injury, the device was capable of supporting total liver function.
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PMID:Reversal of fulminant hepatic failure using an extracorporeal liver assist device. 161 84

Adding less than 0.5% w/w of culture material of strain MRC 826 of the fungus Fusarium moniliforme to a carbohydrate diet low in fat resulted in an atherogenic plasma lipid profile in a non-human primate. Simultaneously increased plasma fibrinogen and activity of blood coagulation factor VII could enhance atherogenesis. This unique potential for promotion of atherosclerosis was probably secondary to chronic hepatotoxicity as indicated by liver fibrosis and elevated cholesterol, albumin and the enzymes AST, ALT, LD, GGT and ALP in serum. The cholesterol and enzymes responded in proportion to the calculated doses of fumonisin mycotoxins in the F. moniliforme MRC 826 cultures. Fumonisins are water soluble and heat stable. Thrombotic, hepatotoxic, carcinogenic and cerebral effects of MRC 826 culture material and fumonisins are well known in non-primates. The estimated fumonisin concentrations tested fall within a range due to natural contamination of human foods. The results suggest that all maize grain products should be analysed for fumonisins.
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PMID:Atherogenic effects in a non-human primate of Fusarium moniliforme cultures added to a carbohydrate diet. 163 55

The effects of ursodeoxycholic acid (UDCA, 450 mg daily) in patients with histologically proven chronic active hepatitis (CAH) have been evaluated in a randomized, double-blind, placebo-controlled study. Twenty-six patients with serum alanine aminotransferase (ALT) values at least twice the normal upper limit in two of three pre-treatment tests received UDCA or a placebo for twelve weeks. In all UDCA-treated patients, serum aspartate amino-transferase (AST), ALT, gamma-glutamyl transpeptidase (GGT) and alkaline phosphatase (AP) fell significantly after 4 weeks of treatment. There was a further decrease at the end of therapy, as well as a small but significant fall in total serum bilirubin. Conversely, 4 weeks after suspension of therapy, serum enzyme levels had increased, reaching values not much lower than those recorded before treatment. Total serum protein, albumin and gamma-globulin did not change after UDCA treatment. In the placebo group no significant variation in the test results were found. The results indicate that UDCA therapy in CAH, as has been observed in primary biliary cirrhosis and primary sclerosing cholangitis, is able to improve several indices of liver damage, without producing any toxic adverse effects.
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PMID:Effects of ursodeoxycholic acid (UDCA) on serum liver damage indices in patients with chronic active hepatitis. A double-blind controlled study. 167 91


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