Performance analysis of the ARCHITECT anti-cyclic citrullinated peptide antibody in the diagnosis of rheumatoid arthritis.

abstract：BACKGROUND:An E670G polymorphism of the exon 12 of the proprotein convertase subtilisin/kexin type 9 (PCSK9) gene was recently found to be associated with increased plasma low-density lipoprotein cholesterol (LDL-C) levels and severity of coronary atherosclerosis. This case-control study tested for a possible link betw...

journal_title：Clinical chemistry and laboratory medicine

authors： Hsu LA,Teng MS,Ko YL,Chang CJ,Wu S,Wang CL,Hu CF

更新日期：2009-01-01 00:00:00

abstract：:Quantification of serum proteins is useful in the diagnosis and clinical management of many disorders. With the introduction of automated analyzers and standardized reference materials, one of the last barriers to more widespread utilization of these measurements is the lack of availability of reliable and transferabl...

journal_title：Clinical chemistry and laboratory medicine

authors： Palomaki GE,Neveux LM

更新日期：2001-11-01 00:00:00

abstract：BACKGROUND:EML4-ALK fusion oncogene has emerged as a novel molecular target in non-small cell lung cancer (NSCLC). Although break-apart fluorescent in situ hybridization (FISH) is the standard method for diagnosis, it is expensive, not readily available and sometimes difficult to interpret. In addition, ALK immunohisto...

journal_title：Clinical chemistry and laboratory medicine

authors： Rho JK,Lee H,Park CS,Choi CM,Lee JC

更新日期：2013-09-01 00:00:00

abstract：:In Greece, there is no officially organized training in clinical chemistry for scientists. The Greek Society of Clinical Chemistry-Clinical Biochemistry (GSCC-CB), following the encouragement of the EC4/RC decided to organize a voluntary Register for specialists in clinical chemistry. The following criteria for regist...

journal_title：Clinical chemistry and laboratory medicine

authors： Rizos D,Karababa P,Nikolou C,Sarandakou A,Panagiotakis O,Ferderigou A,Haliassos A,Makris K,Psarra K,Bairaktari E,Spyropoulou P,Galiatsatos N,Trakas N,Seferiadis K,Greek National Clinical Chemistry Registration Commission.

更新日期：2011-08-30 00:00:00

abstract：:Biochemical measurements in "special fluids" are complicated with the problem of reference intervals. Reference intervals are difficult to establish for these types of samples since they are usually only collected in patients with clinical suspicion of disease. Determination of neurotransmitter metabolites in cerebros...

journal_title：Clinical chemistry and laboratory medicine

authors： Dhondt JL

更新日期：2004-01-01 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：BACKGROUND:Reference laboratories providing reference services recognized by the Joint Committee for Traceability in Laboratory Medicine (JCTLM) must be accredited as calibration laboratories according to ISO 17025 and ISO 15195. These standards require laboratories to establish an uncertainty budget, in which the unce...

journal_title：Clinical chemistry and laboratory medicine

authors： Rami L,Canalias F

更新日期：2015-04-01 00:00:00

abstract：BACKGROUND:Pneumatic tube transport of blood samples reduces turnaround times and labour. However, the preanalytical effects on new clinical chemistry parameters and instruments are not fully known. The aim of this study was to evaluate the effect of pneumatic tube transport on haematology and coagulation parameters, i...

journal_title：Clinical chemistry and laboratory medicine

authors： Wallin O,Söderberg J,Grankvist K,Jonsson PA,Hultdin J

更新日期：2008-01-01 00:00:00

abstract：:The effects of the time of the day and breakfast on the outcome of interleukin-6 and its soluble receptor in serum were studied on 22 subjectively health volunteers. We collected blood specimens at 8.00 a.m. after an overnight fast, at 9.30 a.m. after usual breakfast, and at 11.30 a.m. A second group of volunteers (n ...

journal_title：Clinical chemistry and laboratory medicine

authors： Dugué B,Leppänen E

更新日期：1998-05-01 00:00:00

abstract：BACKGROUND:Blood biomarkers are subject to pre-analytical variability. In many cases, the stability of important new tissue biomarkers during freeze cycles and storage has not been studied sufficiently. METHODS:To test the stability of matrix metalloproteinases-7 (MMP-7) and their tissue inhibitors (TIMP-1), vascular ...

journal_title：Clinical chemistry and laboratory medicine

authors： Kisand K,Kerna I,Kumm J,Jonsson H,Tamm A

更新日期：2011-02-01 00:00:00

abstract：BACKGROUND:Whereas N-terminal pro-brain natriuretic peptide (NT-proBNP) is approved for risk stratification of patients with acute coronary syndromes (ACS), short-term temporal changes in NT-proBNP concentrations and the optimal time points for sampling are not clear. The purpose of this study was to better define the ...

journal_title：Clinical chemistry and laboratory medicine

authors： Buchner S,Debl K,Barlage S,Griese D,Fredersdorf S,Jeron A,Lubnow M,Müller T,Muders F,Holmer S,Riegger GA,Luchner A

更新日期：2010-06-01 00:00:00

abstract：:The use of highly sensitive immunometric methods in clinical laboratories to assay anti-thyroid antibodies has progressively expanded in recent years but it is not known whether the new techniques have improved the analytical variability connected with the preceding methodologies. The Italian Society of Laboratory Med...

journal_title：Clinical chemistry and laboratory medicine

authors： Tozzoli R,Bizzaro N,Tonutti E,Pradella M,Manoni F,Vilalta D,Bassetti D,Piazza A,Rizzotti P,Italian Society of Laboratory Medicine (SIMeL) Study Group on the Laboratory Diagnosis of Autoimmune Diseases.

更新日期：2002-06-01 00:00:00

abstract：:The Institute of Medicine (IOM) report, To err is human, galvanized a dramatically increased level of concern about adverse events and patient safety in healthcare, including errors in laboratory medicine. While a significant decrease in the error rates of clinical laboratories has been achieved and documented in rece...

journal_title：Clinical chemistry and laboratory medicine

authors： Plebani M

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:The aim was to investigate whether first trimester glycodelin and angiopoietin-2 can predict small-for-gestational age (SGA) at delivery, individually or in combination. METHODS:In this case-control study we measured glycodelin and angiopoietin-2 on serum from 170 singleton pregnant women delivering SGA neo...

journal_title：Clinical chemistry and laboratory medicine

authors： Hansen YB,Myrhøj V,Jørgensen FS,Sørensen S

更新日期：2016-09-01 00:00:00

abstract：:Background The relationship between renal disease and cardiovascular disease (CVD) is currently known as cardiorenal syndrome. Indoxyl sulfate (IS) is one of the uremic toxins that accelerates the progression of cardiorenal syndrome. This report presents a new method for measuring IS in a simpler way. Methods We evalu...

journal_title：Clinical chemistry and laboratory medicine

authors： Fushimi Y,Tatebe J,Okuda Y,Ishii T,Ujiie S,Morita T

更新日期：2019-10-25 00:00:00

abstract：:The drug-metabolizing cytochrome P450 (CYP) enzyme CYP2D6 is involved in the metabolism of several clinically important drugs. So far more than 50 different CYP2D6 allelic variants have been described, and thus there is an increased need for routine high-performance liquid chromatography (HPLC) methods for the evaluat...

journal_title：Clinical chemistry and laboratory medicine

authors： Dorado P,Berecz R,Cáceres MC,González I,Cobaleda J,Llerena A

更新日期：2005-01-01 00:00:00

abstract：:Since PSA is supposed to play an active role in the progression of prostate cancer, we applied a quantitative RT-PCR to measure the absolute levels of prostate-specific antigen (PSA) mRNA expression in benign and malignant prostatic tissue. Consecutive fine needle prostate biopsy material from 59 patients (43 with pro...

journal_title：Clinical chemistry and laboratory medicine

authors： Gelmini S,Tricarico C,Petrone L,Forti G,Amorosi A,Dedola GL,Serio M,Pazzagli M,Orlando C

更新日期：2003-03-01 00:00:00

abstract：:The preterm premature rupture of membranes (PPROM) is a common condition in pregnant women and is associated with significant maternal and perinatal morbidity. Most of the time, the diagnosis is done during physical examination. However, in 10%-20% of equivocal cases, biological markers are needed to confirm the diagn...

journal_title：Clinical chemistry and laboratory medicine

authors： Marcellin L,Goffinet F

更新日期：2012-04-14 00:00:00

abstract：BACKGROUND:Electrospray ionization mass spectrometry (ESI-MS) can be used for the measurement of glycated adult hemoglobin. Here, we describe the evaluation of ESI-MS for measurement of glycated (GHbF) and acetylated (AcHbF) fetal hemoglobin and the identification by mass of different chains of fetal hemoglobin. METHO...

journal_title：Clinical chemistry and laboratory medicine

authors： Davison AS,Green BN,Roberts NB

更新日期：2008-01-01 00:00:00

abstract：:The objective of this study was to establish reference intervals for thyroid stimulating hormone (TSH), free thyroxine (FT4), free triiodothyronine (FT3), total thyronine (TT4) and total triiodothyronine (TT3) on the Architect i2000 analyser (Abbott). Serum samples were obtained from apparently healthy adults (n=217, ...

journal_title：Clinical chemistry and laboratory medicine

authors： Hubl W,Schmieder J,Gladrow E,Demant T

更新日期：2002-02-01 00:00:00

abstract：Objectives:External quality assessment schemes (EQAS) are being established worldwide to support the faecal immunochemical test (FIT) for haemoglobin (Hb). FIT is widely used as a screening test for colorectal cancer and increasingly in assessment of patients presenting with symptoms. EQA for FIT is provided in several...

journal_title：Clinical chemistry and laboratory medicine

authors： O'Driscoll S,Piggott C,Bruce H,Benton SC

更新日期：2020-08-07 00:00:00

abstract：:Background Delta check is widely used for detecting specimen mix-ups. Owing to the inadequate specificity and sparseness of the absolute incidence of mix-ups, the positive predictive value (PPV) of delta check is considerably low as it is labor consuming to identify true mix-up errors among a large number of false ale...

journal_title：Clinical chemistry and laboratory medicine

authors： Mitani T,Doi S,Yokota S,Imai T,Ohe K

更新日期：2020-02-25 00:00:00

abstract：:We estimated the frequencies of phenotype (isoelectric focusing; IEF) vs. genotype (PCR/Hhal) discordance in a sample of an aged population (> 65 years). Both phenotype and genotype techniques have been used in the study of apolipoprotein E (apoE) polymorphism in 125 elderly subjects. The discordance between phenotype...

journal_title：Clinical chemistry and laboratory medicine

authors： Dupuy AM,Badiou S,Ritchie K,Mas E,Descomps B,Cristol JP,Touchon J

更新日期：2001-05-01 00:00:00

abstract：:The aim of the study was to compare the results of digoxin assays performed using fluorescence polarization immunoassay (FPIA) on the TDxFLx and a dry chemistry enzyme immunoassay (EIA) on the Vitros 950. Within-run CV amounted to 8.52-10.49% for FPIA and 2.47-5.39% for EIA. Between-run CV amounted to 6.41-8.97% for F...

journal_title：Clinical chemistry and laboratory medicine

authors： Solnica B

更新日期：2004-01-01 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：BACKGROUND:International recommendations highlight the superior value of cardiac troponins (cTns) for early diagnosis of myocardial infarction along with analytical requirements of improved precision and detectability. In this multicenter study, we investigated the analytical performance of a new high sensitive cardiac...

journal_title：Clinical chemistry and laboratory medicine

authors： Krintus M,Kozinski M,Boudry P,Capell NE,Köller U,Lackner K,Lefèvre G,Lennartz L,Lotz J,Herranz AM,Nybo M,Plebani M,Sandberg MB,Schratzberger W,Shih J,Skadberg Ø,Chargui AT,Zaninotto M,Sypniewska G

更新日期：2014-11-01 00:00:00

abstract：Background:Anti-mitochondrial autoantibodies (AMA) detected by indirect immunofluorescence (IIF) on rodent tissues are the diagnostic marker of primary biliary cholangitis (PBC). However, up to 15% of patients with PBC are AMA-negative by IIF. In the effort to close the serological gap and improve the diagnostic sensit...

journal_title：Clinical chemistry and laboratory medicine

authors： Villalta D,Seaman A,Tiongson M,Warren C,Bentow C,Bizzaro N,Alessio MG,Porcelli B,Norman GL,Mahler M

更新日期：2020-04-10 00:00:00

abstract：:The soluble transferrin receptor (sTfR) distinguishes iron deficiency anemia from other types of anemia. Refractory iron deficiency anemia is often the onset symptom in malabsorption-induced celiac disease. We evaluated whether sTfR levels distinguish celiac disease-associated iron deficiency anemia from iron deficien...

journal_title：Clinical chemistry and laboratory medicine

authors： De Caterina M,Grimaldi E,Di Pascale G,Salerno G,Rosiello A,Passaretti M,Scopacasa F

更新日期：2005-01-01 00:00:00

abstract：:Background The aim of this study was to evaluate the diagnostic performance of cerebrospinal fluid (CSF) free light chains (FLCs) in the diagnosis of Lyme neuroborreliosis (LNB). Methods Serum and CSF levels of κ- and λ-FLC, albumin and total concentration of immunoglobulin M (IgM) were determined together with CSF ch...

journal_title：Clinical chemistry and laboratory medicine

authors： Tjernberg I,Johansson M,Henningsson AJ

更新日期：2019-11-26 00:00:00

abstract：BACKGROUND:Pleomorphic adenoma (PA) is a benign tumour of the salivary gland with a tendency to malignancy which creates many diagnostic problems. N-acetyl-beta-hexosaminidase (HEX) is a lysosomal exoglycosidase involved in degradation of oligosaccharide chains of glycoproteins, glycolipids and glycosaminoglycans, know...

journal_title：Clinical chemistry and laboratory medicine

authors： Borzym-Kluczyk M,Olszewska E,Radziejewska I,Lewszuk A,Zwierz K

更新日期：2008-01-01 00:00:00