نتایج جستجو برای: ugt1a1 enzyme
تعداد نتایج: 241868 فیلتر نتایج به سال:
BACKGROUND The objective of this study was to evaluate the effects of gene polymorphisms, including UGT1A1*7, *27, and *29, on the safety of irinotecan therapy. METHODS The eligibility criteria were: lung cancer patients scheduled to undergo irinotecan therapy, aged ≥ 20 years, with a performance status of 0-2. Thirty-one patients were enrolled and their blood was collected and used to examin...
AIMS To analyze the distribution of uridine diphosphate glucuronosyltransferase (UGT)1A1 gene polymorphisms in Chinese patients with extensive-stage small-cell lung cancer (E-SCLC), and to evaluate correlations between the UGT1A1 gene polymorphisms and toxicity, and efficacy of irinotecan (CPT-11) based regimen in the patients with E-SCLC. METHODS The study analyzed the distribution of UGT1A1...
UDP-glucuronosyltransferase (UGT) 1A1 is involved in the inactivation of estradiol (E(2)) and its oxidized metabolites. These metabolites have been shown to contribute to the development of endometrial cancer in animal studies. Thus UGT1A1 represents a candidate gene in endometrial carcinogenesis. In this study, we established the substrate specificity of UGT1A1 for E(2) and its 2- and 4-hydrox...
PURPOSE Several case reports suggest sorafenib exposure and sorafenib-induced hyperbilirubinemia may be related to a (TA)(5/6/7) repeat polymorphism in UGT1A1*28 (UGT, uridine glucuronosyl transferase). We hypothesized that sorafenib inhibits UGT1A1 and individuals carrying UGT1A1*28 and/or UGT1A9 variants experience greater sorafenib exposure and greater increase in sorafenib-induced plasma bi...
Esophageal cancer (EC) has a globally increasing incidence with poor curative treatment options and survival rates. Environmental and dietary factors have crucial roles in esophageal carcinogenesis. Polymorphisms in the UGT genes, a superfamily of enzymes essential for the detoxification of carcinogens, may alter enzyme activity and subsequently may play a role in EC etiology. Rather than solel...
nloaded veratrol has been shown to exhibit cancer-preventive activities in preclinical studies. We cona clinical study to determine the effect of pharmacologic doses of resveratrol on drugand ogen-metabolizing enzymes. Forty-two healthy volunteers underwent baseline assessment of rome P450 (CYP) and phase II detoxification enzymes. CYP1A2, CYP2D6, CYP2C9, and CYP3A4 e activities were measured b...
Jaundice or hyperbilirubinaemia is a common complication of sepsis. UGT1A1 (UDP-glucuronosyltransferase 1A1) is a critical gene for bilirubin metabolism and irinotecan detoxification. However, the molecular pathogenesis of hyperbilirubinaemia during inflammation needs to be further clarified. Human hepatic UGT1A1 expression was analysed by RT (reverse transcription)-PCR, qRT-PCR (quantitative r...
Breast cancer is among the most common causes of cancer-related death in women worldwide. Previous studies have demonstrated an association between prolonged estrogen exposure and increased risk of breast cancer. Uridine 5'-diphospho-glucuronosyltransferase 1-1 (UGT1A1) plays a significant role in the detoxification of estrogens. Two major genetic polymorphisms have been identified in the UGT1A...
UDP-glucuronosyltransferase 1A1 (UGT1A1) plays a key role in detoxification of many potentially harmful compounds and drugs. UGT1A1 inhibition may bring risks of drug-drug interactions (DDIs), hyperbilirubinemia and drug-induced liver injury. This study aimed to investigate and compare the inhibitory effects of icotinib and erlotinib against UGT1A1, as well as to evaluate their potential DDI ri...
BACKGROUND Whether UGT1A1*28 genotype is associated with clinical outcomes of irinotecan (IRI)-based chemotherapy in Colorectal cancer (CRC) is an important gap in existing knowledge to inform clinical utility. Published data on the association between UGT1A1*28 gene polymorphisms and clinical outcomes of IRI-based chemotherapy in CRC were inconsistent. METHODOLOGY/PRINCIPAL FINDINGS Literatu...
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