نتایج جستجو برای: ugt1a1 gene
تعداد نتایج: 1141874 فیلتر نتایج به سال:
Unconjugated bilirubin (UCB) is formed by the catabolism of heme and owing to its very low water solubility (b70 nM), over 99.9% is tightly bound to albumin. During hyperbilirubinemia, slightly elevated unbound concentrations may become neurotoxic, if UCB hepatic clearance is impaired. After uptake by the liver, UCB is conjugatedwith either one or two molecules of glucuronic acid converting UCB...
Inadequate calorie intake or starvation has been suggested as a cause of neonatal jaundice, which can further cause permanent brain damage, kernicterus. This study experimentally investigated whether additional glucose treatments induce the bilirubin-metabolizing enzyme--UDP-glucuronosyltransferase (UGT) 1A1--to prevent the onset of neonatal hyperbilirubinemia. Neonatal humanized UGT1 (hUGT1) m...
Uridine diphosphate glucuronosyltransferase 1A (UGT1A) is a major phase II drug-metabolism enzyme superfamily involved in the glucuronidation of endobiotics and xenobiotics in humans. Many polymorphisms in UGT1A genes are reported to inhibit or decrease UGT1A activity. In this study, two UGT1A1 allozymes, UGT1A1 wild-type and a splice mutant, as well as UGT1A9 wild-type and its three UGT1A9 all...
Chrysin, a dietary flavonoid, has been shown to markedly induce UGT1A1 expression and activity in HepG2 and Caco-2 cell lines; thus, it has been suggested to have clinical utility in the treatment of UGT1A1-mediated deficiencies, such as unconjugated hyperbilirubinemia or the prevention of 7-ethyl-10-hydroxycamptothecin (SN-38) toxicity. However, little is known about its induction potential in...
Diagnosis of Crigler-Najjar syndrome type II (CNS-II) and Gilbert syndrome (GS) based on the serum bilirubin concentration is difficult, because this parameter can fluctuate under certain conditions. The aim of this study was to explore differences in UGT1A1 gene mutations, which cause both CNS and GS, and pathological changes between CNS-II and GS.Ninety-five Chinese patients with hereditary u...
IntRoductIon Gilbert syndrome (GS, MIM #143500) is characterized by fluctuating mild, unconjugated hyperbilirubinemia <85 μmol/L and is caused by mutations in the bilirubin uridine diphosphate (UDP)‐glucuronosyltransferase gene (UGT1A1).[1] Dubin‐Johnson syndrome (DJS, MIM #237500) is characterized by fluctuating mild, predominantly conjugated hyperbilirubinemia and is caused by mutations in th...
We read with interest the paper from Hoskins et al. (1) on the meta-analysis of the studies that assessed the association of irinotecan dose with the risk of irinotecan-related toxic effects for patients with the UGT1A1*28/*28 genotype. They indicated that the risk of hematologic toxicity was strongly associated with UGT1A1*28 genotype at higher irinotecan doses (>150 mg/m 2), not at lower dose...
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