Development and evaluation of an element-tagged immunoassay coupled with inductively coupled plasma mass spectrometry detection: can we apply the new assay in the clinical laboratory?

abstract：BACKGROUND:Extensive application of measurement of urinary iodine concentration (UIC) in several benign and malignant thyroid diseases could profit by the availability of rapid and inexpensive measuring techniques. Aim of this study was to apply a simple and inexpensive commercially available potentiometric method for ...

journal_title：Clinical chemistry and laboratory medicine

authors： Giovacchini G,Giovanella L,Haldemann A,Staub U,Füchsel FG,Koch P

更新日期：2015-10-01 00:00:00

abstract：:Molecular diagnostics is one of the most rapidly growing areas of laboratory medicine. This rapid growth of clinical molecular tests has outpaced the availability and development of reference methods and reference materials. Such methods and materials are important for the development, validation, and interpretation o...

journal_title：Clinical chemistry and laboratory medicine

authors： Payne DA,Mamotte CD,Gancberg D,Pazzagli M,van Schaik RH,Schimmel H,Rousseau F,IFCC Committee for Molecular Diagnostics (C-MD).

更新日期：2010-11-01 00:00:00

abstract：:Cancers of the respiratory tract (lung and head and neck) share common aetiologies, risk factors and molecular characteristics. Epigenetic reprogramming is one of the hallmarks of cancer and DNA methylation is currently the best-studied form. There are a number of characteristics of DNA methylation, which seem advanta...

journal_title：Clinical chemistry and laboratory medicine

authors： Markopoulou S,Nikolaidis G,Liloglou T

更新日期：2012-10-01 00:00:00

abstract：BACKGROUND:Surface-enhanced laser desorption and ionization time-of-flight mass spectrometry (SELDI-TOF/MS), a laboratory-friendly technique, is used to identify biomarkers for cancer. The aim of the present study was to explore the application of SELDI proteomic patterns in serum for distinguishing between cases of pa...

journal_title：Clinical chemistry and laboratory medicine

authors： Navaglia F,Fogar P,Basso D,Greco E,Padoan A,Tonidandel L,Fadi E,Zambon CF,Bozzato D,Moz S,Seraglia R,Pedrazzoli S,Plebani M

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Cost-impact models have indicated that in the USA, the use of antibiotic stewardship protocols based on procalcitonin (PCT) levels for patients with suspected acute respiratory tract infection results in cost savings. Our objective was to assess the cost impact of adopting PCT testing among patients with acu...

journal_title：Clinical chemistry and laboratory medicine

authors： Stojanovic I,Schneider JE,Wei L,Hong Z,Keane C,Schuetz P

更新日期：2017-03-01 00:00:00

abstract：:Glycosylation is among the most important post-translational modifications for proteins and is of intrinsic complex character compared with DNAs and naked proteins. Indeed, over 50%-70% of proteins in circulation are glycosylated, and the "sweet attachments" have versatile structural and functional implications. Both ...

journal_title：Clinical chemistry and laboratory medicine

authors： Wang M,Zhu J,Lubman DM,Gao C

更新日期：2019-03-26 00:00:00

abstract：BACKGROUND:Hyperhomocysteinemia (Hhcy) is considered an independent risk factor for vascular diseases and, more recently, for dementia. The methionine loading test (MLT) is useful for diagnosing additional subjects with moderate Hhcy. However, it is a complex and time-consuming procedure. A noninvasive test for the dia...

journal_title：Clinical chemistry and laboratory medicine

authors： Maldonado-Hernández J,Prina-Ojeda LV,Montalvo-Velarde I,Del Prado-Manríquez M,de Lourdes Barbosa-Cortés M,Repetto-Madrid M

更新日期：2014-05-01 00:00:00

abstract：:The acute-phase "panproteinase" inhibitor alpha2-macroglobulin (alpha2M), a protein involved in inflammatory reactions, has been identified in amyloid plaques in Alzheimer's disease (AD). In addition, alpha2M is involved in AD susceptibility at the genetic level, and a deletion polymorphism at the a2M gene has been fo...

journal_title：Clinical chemistry and laboratory medicine

authors： Scacchi R,Ruggeri M,Gambina G,Martini MC,Corbo RM

更新日期：2002-04-01 00:00:00

abstract：BACKGROUND:The aim of this study was to provide inter-laboratory imprecision comparisons of different groups of diagnostic systems as well as a comparison of professional laboratories with medical offices performance on the basis of 88,429 glucose results obtained in external quality assessment (EQA) schemes organized ...

journal_title：Clinical chemistry and laboratory medicine

authors： Morandi PA,Deom A,Kesseler D,Cohen R

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND:CDC25 phosphatases control cell cycle progression by activating cyclin dependent kinases. The three CDC25 isoforms encoding genes are submitted to alternative splicing events which generate at least two variants for CDC25A and five for both CDC25B and CDC25C. An over-expression of CDC25 was reported in sever...

journal_title：Clinical chemistry and laboratory medicine

authors： Albert H,Santos S,Battaglia E,Brito M,Monteiro C,Bagrel D

更新日期：2011-10-01 00:00:00

abstract：:Asymmetric dimethylarginine (ADMA) is a potent inhibitor of nitric oxide synthase and is regarded as a novel risk factor for cardiovascular disease. The metabolic pathways of ADMA and homocysteine are strongly intertwined. First, during synthesis of ADMA, two equivalents of homocysteine are formed. Second, homocystein...

journal_title：Clinical chemistry and laboratory medicine

authors： Teerlink T

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:Neutrophil gelatinase-associated lipocalin (NGAL) has been suggested as the most promising biomarker of acute kidney injury. However, there are no reliable data on analytical sensitivity and reference limits of urinary NGAL (uNGAL) assay in pediatric age. The aim of the present study is to evaluate the analy...

journal_title：Clinical chemistry and laboratory medicine

authors： Cangemi G,Storti S,Cantinotti M,Fortunato A,Emdin M,Bruschettini M,Bugnone D,Melioli G,Clerico A

更新日期：2013-05-01 00:00:00

abstract：BACKGROUND:The presence of fibronectin fragments has been observed in some inflammatory diseases and is believed to reflect tissue breakdown. In this study, possible fibronectin fragmentation and alterations in its domain and sialyl and fucosyl glycotope expressions were analyzed in amniotic fluids in relation to intra...

journal_title：Clinical chemistry and laboratory medicine

authors： Hirnle L,Katnik-Prastowska I

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:We aimed to investigate the prevalence of undiagnosed abnormal glucose regulation (AGR, including diabetes and prediabetes) in patients undergoing coronary angiography (CAG) by using both glycated hemoglobin (HbA1c) and oral glucose tolerance test (OGTT) to screen, and to compare the performance of fasting p...

journal_title：Clinical chemistry and laboratory medicine

authors： Wang JS,Lee IT,Lee WJ,Lin SY,Fu CP,Lee WL,Liang KW,Sheu WH

更新日期：2015-08-01 00:00:00

abstract：BACKGROUND:The identification of human mitochondrial DNA (mtDNA) sequence variations, especially single nucleotide polymorphisms (SNPs), is important for many applications. The PCR-ligase detection reaction (LDR) method can reduce false-positives and eliminate the need for both post-PCR and post-ligation purifications ...

journal_title：Clinical chemistry and laboratory medicine

authors： Luo Y,Tang S,Gao W,Chen L,Yang X,Huang T,Gao Y

更新日期：2010-04-01 00:00:00

abstract：BACKGROUND:Recently published data identified bone-specific alkaline phosphatase (BALP) as a good marker of bone formation in different bone diseases and osteoporosis. Two methods are available for BALP determination: one measures enzyme activity, the other its mass concentration. We compared results for BALP activity ...

journal_title：Clinical chemistry and laboratory medicine

authors： Avbersek-Luznik I,Gmeiner Stopar T,Marc J

更新日期：2007-01-01 00:00:00

abstract：:Microsatellite typing is frequently used in disease diagnosis and in genetic association studies. Inter-study consistency and comparability is essential in both applications. In this study, we show that the interlaboratory comparison of microsatellite sizes is often discrepant and misleading. This is a matter of great...

journal_title：Clinical chemistry and laboratory medicine

authors： Rossouw M,Warren R,Hoal EG

更新日期：2002-09-01 00:00:00

abstract：BACKGROUND:Crohn's disease (CD) is an incurable and difficult to diagnose condition. While high sensitive C-reactive protein (CRP) remains the best biochemical marker, we evaluated the diagnostic usefulness of lipid peroxidation indices. METHODS:Malondialdehyde/thiobarbituric acid-reactive substances (MDA/TBARS), pero...

journal_title：Clinical chemistry and laboratory medicine

authors： Boehm D,Krzystek-Korpacka M,Neubauer K,Matusiewicz M,Paradowski L,Gamian A

更新日期：2012-03-03 00:00:00

abstract：:Activated protein C (APC), a natural anticoagulant, is formed from protein C by the action of the thrombin-thrombomodulin (TM) complex on the endothelial cell surface. Endothelial protein C receptor augments the activation of protein C by the thrombin/TM system. APC inactivates the activated form of coagulation factor...

journal_title：Clinical chemistry and laboratory medicine

authors： Okajima K

更新日期：2004-02-01 00:00:00

abstract：:The annual inter- and intra-individual biological variation, including the circannual rhythmic variation, of the serum concentrations of magnesium and ionized calcium has been investigated in a group of 51 apparently healthy volunteers. Venous blood specimens were collected on intervals of once a month within a one-ye...

journal_title：Clinical chemistry and laboratory medicine

authors： Valero-Politi J,Ginard-Salvá M,González-Alba JM

更新日期：2001-01-01 00:00:00

abstract：:Soluble transferrin receptor (sTfR) is reported to be a reliable marker for the diagnosis of iron deficiency, especially when iron metabolism is influenced by inflammatory disorders such as infection, chronic inflammation and cancer-related anemia. In the present multicenter study the analytical performance of a recen...

journal_title：Clinical chemistry and laboratory medicine

authors： Kolbe-Busch S,Lotz J,Hafner G,Blanckaert NJ,Claeys G,Togni G,Carlsen J,Röddiger R,Thomas L

更新日期：2002-05-01 00:00:00

abstract：BACKGROUND:Genes correlated with nicotine may be important in obesity because of the role of nicotine in food intake. METHODS:To determine if single nucleotide polymorphisms (SNPs) in the neuronal nicotinic acetylcholine receptor alpha2 subunit gene (CHRNA2) are associated with overweight/obesity, 156 non-obese and 20...

journal_title：Clinical chemistry and laboratory medicine

authors： Kim J

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:The measurement of C-reactive protein (CRP) concentrations has been of interest as a classical marker of acute phase response; in addition, it has been of particular interest in cardiovascular risk stratification where high-sensitive measurements are necessary. Since CRP is able to bind phospholipids (mainly...

journal_title：Clinical chemistry and laboratory medicine

authors： Drieghe SA,Alsaadi H,Tugirimana PL,Delanghe JR

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND:Rivaroxaban, a direct Xa inhibitor, is one of the new oral antithrombotic agents for which laboratory monitoring is thought to be unnecessary in most cases due to predictable pharmacokinetics. Circumstances are conceivable, however, in which reliable laboratory testing of Rivaroxaban is desirable. The aim of...

journal_title：Clinical chemistry and laboratory medicine

authors： Molenaar PJ,Dinkelaar J,Leyte A

更新日期：2012-10-01 00:00:00

abstract：:Background For pregnant women with suspected preeclampsia, the soluble fms-like tyrosine-kinase 1 (sFlt-1)/placental growth factor (PlGF) ratio is a biomarker to aid diagnosis. We performed method comparisons between Elecsys® and Kryptor sFlt-1 and PlGF immunoassays and assessed the diagnostic performance for preeclam...

journal_title：Clinical chemistry and laboratory medicine

authors： Stepan H,Hund M,Dilba P,Sillman J,Schlembach D

更新日期：2019-08-27 00:00:00

abstract：BACKGROUND:An effective quality control (QC) program requires the establishment of control limits within which the results of the QC sample is expected to fall. Traditionally, the mean plus/minus two standard deviations calculated for a set of QC sample results is used to establish control limits. Allowable total error...

journal_title：Clinical chemistry and laboratory medicine

authors： Dimech W,Vincini G,Karakaltsas M

更新日期：2015-02-01 00:00:00

abstract：BACKGROUND:Mid-regional pro-adrenomedullin (MR-proADM) and endothelin-1 have been shown to predict mortality of patients with acute myocardial infarction. However, the prognostic value of both biomarkers in predicting long-term clinical events after acute myocardial infarction remains unclear. METHODS:In a prospective...

journal_title：Clinical chemistry and laboratory medicine

authors： Behnes M,Papassotiriou J,Walter T,Fiedler E,Sauer T,Lang S,Elmas E,Hoffmann U,Borggrefe M,Brueckmann M

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:alpha-Thalassemia is a worldwide disease and considered to be a major public health problem in countries within the so-called thalassemia belt. The complex genetics of alpha-thalassemias requires diagnostic methods with the capacity to screen rapidly and accurately for common causative mutations. METHODS:We...

journal_title：Clinical chemistry and laboratory medicine

authors： Puehringer H,Najmabadi H,Law HY,Krugluger W,Viprakasit V,Pissard S,Baysal E,Taher A,Farra C,Al-Ali A,Al-Ateeq S,Oberkanins C

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:The Schwartz 2009 creatinine-based revised formula is the only pediatric GFR estimating formula, which is compatible with the recent global creatinine standardization. This formula is only applicable if enzymatic creatinine methods are used. We propose an equation, taking into account the relative bias cause...

journal_title：Clinical chemistry and laboratory medicine

authors： Speeckaert MM,Wuyts B,Stove V,Walle JV,Delanghe JR

更新日期：2012-03-09 00:00:00

abstract：:Asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase, is formed by methylation of arginine residues in proteins and released after proteolysis. In this reaction, S-adenosylmethionine is methyldonor and S-adenosylhomocysteine the demethylated product. ADMA and homocysteine are thus bioch...

journal_title：Clinical chemistry and laboratory medicine

authors： van Guldener C,Nanayakkara PW,Stehouwer CD

更新日期：2007-01-01 00:00:00