نتایج جستجو برای: serum bilirubin
تعداد نتایج: 311298 فیلتر نتایج به سال:
Background: Jaundice is a common and benign problem in neonatal period. Several therapeutic procedures for decreasing of serum bilirubin level has been recommended. phototherapy is most common them. Our goal Form this study is the evaluation of serum therapy effects in decreasing of serum bilirubin concentration in icteric infants that are treated with phototherapy. Methods: This is a prospect...
Evaulation of the severity of jaundice in the neonate may be determined by measuring the reserve binding capacity of serum proteins for free bilirubin. Determination of protein-bound bilirubin has been labor intensive, necessitating multiple runs on gel-permeation chromatography columns or, more recently, enzyme assays or fluorescence quenching analysis. We present a method for quantitation of ...
I studied the effects of serum dilution and oxidation of albumin-bound bilirubin on the accuracy of results by the peroxidase method for assessing bilirubin-albumin binding. The apparent concentration of unbound bilirubin decreases with dilution of bilirubin-enriched serum or defatted-albumin solutions, the effect being more marked with serum. The decrease in apparent unbound bilirubin does not...
TATA box abnormality in the promoter region of the bilirubin UDP glucuronosyltransferase 1 gene has been reported to cause Gilbert's syndrome in white subjects. It has also been reported that the majority of Japanese patients with Gilbert's syndrome are heterozygous for Gly71Arg in the coding region of this gene. On the other hand, some patients with chronic hepatitis often show signs of unexpe...
Elevations in serum bilirubin during drug treatment may indicate global liver dysfunction and a high risk of liver failure. However, drugs also can increase serum bilirubin in the absence of hepatic injury by inhibiting specific enzymes/transporters. We constructed a mechanistic model of bilirubin disposition based on known functional polymorphisms in bilirubin metabolism/transport. Using physi...
Chronic inflammation associated with inflammatory bowel disease (IBD) results in increased oxidative stress that damages the colonic microenvironment. Low levels of serum bilirubin, an endogenous antioxidant, have been associated with increased risk for Crohn's disease (CD). Therefore, the aim of this study was to examine whether total serum bilirubin levels are associated with ulcerative colit...
Background: Considering the increasing rates of early hospital discharge and kernicterus in healthy full term newborns, timely identification of neonates at risk of severe hyperbilirubinemia is of great significance. The aim of this study was to investigate the predictive value of umbilical cord serum (UCS) bilirubin level for subsequent hyperbilirubinemia. Moreover, we compared the predictive ...
Background and Aims: Bilirubin has been considered an antioxidant that protects against atherosclerosis. The aim of this study was to evaluate the relationship of serum bilirubin level with the severity and complexity of coronary artery disease (CAD) and long-term outcome in the patients undergoing primary percutaneous coronary intervention (PCI). Materials and Methods: This prospective coho...
An enzymatic assay is described for non-albuminbound bilirubin in the serum of newborn infants. Unbound bilirubin is oxidized to colorless compounds by ethyl hydroperoxide in the presence of horseradish peroxidase (EC 1.11.1.7), while albumin-bound bilirubin is protected from oxidation. Because the equilibrium between albumin and bilirubin occurs rapidly, the oxidation step is rate limiting, an...
We report a fluorometric technique for determination of albumin-titratable bilirubin in the jaundiced neonate. Although bilirubin alone has very little native fluorescence, considerable emission is observed in the presence of albumin under acid conditions. Analysis of the plasma sample alone and in the presence of excess human serum albumin solution appears to reflect the bilirubin tightly boun...
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