Abstract:
BACKGROUND:Oleander interferes with serum digoxin measurements using various immunoassays. The potential interference of oleander and its active ingredient, oleandrin, with a relatively new homogenous sequential chemiluminescent digoxin assay based on luminescent oxygen channeling technology (LOCI digoxin assay, Siemens Diagnostics) has not been previously reported. METHODS:Aliquots of a digoxin-free serum pool were supplemented with increasing concentrations of oleandrin, or with oleander extract, followed by measuring the apparent digoxin concentrations using the LOCI digoxin assay using Vista 1500 analyzer. Mice were fed oleandrin or oleander extract, and their blood digoxin levels at 1 and 2 h were measured with the LOCI digoxin assay. In addition, two digoxin serum pools were prepared by combining sera of patients receiving digoxin; aliquots of both pools were supplemented with oleandrin or oleander extract and digoxin concentrations were again measured. Attempts to overcome this interference were made by measuring free digoxin concentration using a third digoxin pool. RESULTS:Significant apparent digoxin concentrations were observed after supplementing aliquots of the drug-free serum pool with oleandrin or oleander extract. Mice fed with oleandrin or oleander extract also showed apparent digoxin levels 1 and 2 h after feeding. Digoxin values were also falsely lower or elevated (bidirectional interference) when aliquots of digoxin serum pools were further supplemented with oleandrin or oleander extract depending on concentration; this interference was not eliminated by free digoxin monitoring. CONCLUSIONS:Oleandrin interferes with LOCI digoxin assay.
journal_name
J Clin Lab Analjournal_title
Journal of clinical laboratory analysisauthors
Dasgupta A,Welsh KJ,Hwang SA,Johnson M,Actor JKdoi
10.1002/jcla.21637subject
Has Abstractpub_date
2014-01-01 00:00:00pages
16-20issue
1eissn
0887-8013issn
1098-2825journal_volume
28pub_type
杂志文章abstract:BACKGROUND:Previous studies suggested that adiponectin (APN) could ameliorate ischemia/reperfusion injury and endothelial dysfunction in patients with acute myocardial infarction. However, the relationship between serum APN level and coronary flow after primary percutaneous coronary intervention (PPCI) in patients with...
journal_title:Journal of clinical laboratory analysis
pub_type: 临床试验,杂志文章
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更新日期:2019-06-01 00:00:00
abstract:BACKGROUND:Miltenberger (Mi) series are the collective glycophorin hybrids in the MNS blood group system. Mi series are composed of several subtypes, for examples, GP.Mur, GP.Hop, and GP.Bun. The incompatibility of Mi series blood transfusion poses the risk of hemolysis. Due to the lack of standard antibodies for Mi se...
journal_title:Journal of clinical laboratory analysis
pub_type: 杂志文章
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abstract::Congenital disorders of glycosylation are a rapidly growing group of inherited (neuro)metabolic disorders characterized by defects in glycosylation of proteins and lipids. This study discusses an analytical problem in the differentiation between hypoglycosylation and transferrin (Tf) protein variants. Analysis of seru...
journal_title:Journal of clinical laboratory analysis
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更新日期:2009-01-01 00:00:00
abstract:BACKGROUND:The association between genetic variations of vascular endothelial growth factor (VEGF) gene and the risk for atherosclerosis has been hypothesized. We aimed to assess the relationship between rs2010963 (+405 C/G) polymorphism and presence, severity, and outcome of coronary artery disease (CAD) in an Iranian...
journal_title:Journal of clinical laboratory analysis
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abstract:BACKGROUND:N-terminal pro-Brain natriuretic peptide (NT-proBNP) is an important biomarker to indicate cardiac function, but its significance in cardiac surgery is still unclear. OBJECTIVE:To explore clinical significance of serum NT-proBNP and their dynamic characteristics in patients with cardiac valve replacement (C...
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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更新日期:1992-01-01 00:00:00
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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