Collective opinion paper on findings of the 2009 convocation of experts on quality control.

abstract：:Group II phospholipase A2 has been proposed to play an important role in the pathophysiology of inflammatory bowel diseases. This enzyme has also been linked to host defence mechanisms against bacteria. The current study aimed at measuring the mass concentrations of group II phospholipase A2 in serum and colonic mucos...

journal_title：Clinical chemistry and laboratory medicine

authors： Haapamäki MM,Grönroos JM,Nurmi H,Söderlund K,Peuravuori H,Alanen K,Nevalainen TJ

更新日期：1998-10-01 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：BACKGROUND:Decreased brain-derived neurotrophic factor (BDNF) has been demonstrated in animal models and patients with depression. However, little is known about changes in BDNF in post-stroke depression (PSD). This study investigated the changes in serum BDNF in patients with PSD, and evaluated whether serum concentra...

journal_title：Clinical chemistry and laboratory medicine

authors： Zhou Z,Lu T,Xu G,Yue X,Zhu W,Ma M,Liu W,Zhu S,Liu X

更新日期：2011-02-01 00:00:00

abstract：:Automation is considered one of the most important breakthroughs in the recent history of laboratory diagnostics. In a model of total laboratory automation (TLA), many analyzers performing different types of tests on different sample matrices are physically integrated as modular systems or physically connected by asse...

journal_title：Clinical chemistry and laboratory medicine

authors： Lippi G,Da Rin G

更新日期：2019-05-27 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:Accurate and early diagnosis of tuberculosis (TB) is of major importance in the management and control of TB. Because the conventional bacteriological diagnosis of TB has several limitations, nucleic acid amplification (NAA) tests have emerged as promising alternatives. A potential problem with NAA tests is ...

journal_title：Clinical chemistry and laboratory medicine

authors： Qin L,Zheng R,Fan C,Cai J,Liu Z,Wang J,Lu J,Jin R,Yang H,Cui Z,Feng Y,Hu Z

更新日期：2010-10-01 00:00:00

abstract：BACKGROUND:Automated systems have been broadly used in the counting of particles in urine, while manual microscopic analyses are still required for confirming components of urine sediments, especially pathologic casts and other unknown particles. Good review rules can reduce the number of manual urine microscopy examin...

journal_title：Clinical chemistry and laboratory medicine

authors： Cao Y,Cheng M,Hu C

更新日期：2012-12-01 00:00:00

abstract：:Clinical Proteomics biomarker discovery programs lead to the selection of putative new biomarkers of human pathologies. Following an initial discovery phase, validation of these candidates in larger populations is a major task that recently started relying upon the use of mass spectrometry approaches, especially in ca...

journal_title：Clinical chemistry and laboratory medicine

authors： Lehmann S,Poinot P,Tiers L,Junot C,Becher F,Hirtz C

更新日期：2011-10-08 00:00:00

abstract：:Thrombotic risk factors and thrombosis in children has been receiving increased attention. True idiopathic thrombosis is extremely rare in children. Most patients have a significant underlying medical condition and the presence of a central catheter is the most important risk factor. Children are more likely than adul...

journal_title：Clinical chemistry and laboratory medicine

authors： Trampus-Bakija A

更新日期：2010-12-01 00:00:00

abstract：:Phenylketonuria is an inherited metabolic disease, which is characterized by an increased level of serum phenylalanine. Quantitative measurement of phenylalanine in the serum of phenylketonuria patients is necessary to confirm the disease, and to distinguish phenylketonuria from other forms of hyperphenylalaninemia. I...

journal_title：Clinical chemistry and laboratory medicine

authors： Vallian S,Moeini H

更新日期：2006-01-01 00:00:00

abstract：:The availability of so-called high-sensitivity troponin assays (hsTn) has scored a compelling goal for laboratory medicine, allowing the safe clinical application of international recommendations for the definition of acute myocardial infarction (AMI). However, the introduction of hsTn has not been welcomed by clinici...

journal_title：Clinical chemistry and laboratory medicine

authors： Ferraro S,Panteghini M

更新日期：2015-04-01 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:While thyroglobulin autoantibodies (TgAb) can result in false low serum thyroglobulin (Tg) immunoassay (IA) measurements, they might also be indicators of disease persistence/recurrence. Hence, accurate TgAb measurement, in addition to Tg quantification, is crucial for thyroid cancer monitoring. We compared ...

journal_title：Clinical chemistry and laboratory medicine

authors： Katrangi W,Grebe SKG,Algeciras-Schimnich A

更新日期：2017-10-26 00:00:00

abstract：BACKGROUND:Knowledge of the fatty acid composition of lipid classes in human plasma is an important factor in the investigation of human metabolism. Therefore, a method for the analysis of neutral lipid (NL), phospholipid (PL) and free fatty acids (FFA) in human plasma has been developed and validated. METHODS:Separat...

journal_title：Clinical chemistry and laboratory medicine

authors： Firl N,Kienberger H,Hauser T,Rychlik M

更新日期：2013-04-01 00:00:00

abstract：BACKGROUND:Linezolid is the first synthetic compound of a new group of antimicrobials, the oxazolidinones, which inhibit protein synthesis. It shows a broad spectrum of activity against Gram positive organisms. With respect to its pharmacokinetics, linezolid shows a relatively high volume of distribution and good penet...

journal_title：Clinical chemistry and laboratory medicine

authors： Guerrero L,Martínez-Olondris P,Rigol M,Esperatti M,Esquinas C,Luque N,Piñer R,Torres A,Soy D

更新日期：2010-03-01 00:00:00

abstract：BACKGROUND:Apolipoprotein E (APOE) is a key player in lipid transport and metabolism and exists in three common isoforms: APOE2, APOE3 and APOE4. The presence of the E4 allelic variant is recognized as a major genetic risk factor for dementia and other chronic (neuro)degenerative diseases. The availability of a validat...

journal_title：Clinical chemistry and laboratory medicine

authors： Badrnya S,Doherty T,Richardson C,McConnell RI,Lamont JV,Veitinger M,FitzGerald SP,Zellner M,Umlauf E

更新日期：2018-04-25 00:00:00

abstract：:Heart-type fatty acid-binding protein (H-FABP) is a low molecular weight cytoplasmic protein and present abundantly in the myocardium. When the myocardium is injured, as in the case of myocardial infarction, low molecular weight cytoplasmic proteins including H-FABP are released into the circulation and H-FABP is dete...

journal_title：Clinical chemistry and laboratory medicine

authors： Okamoto F,Sohmiya K,Ohkaru Y,Kawamura K,Asayama K,Kimura H,Nishimura S,Ishii H,Sunahara N,Tanaka T

更新日期：2000-03-01 00:00:00

abstract：:Nitric oxide (NO) activates soluble guanylyl cyclase, which results in an increased synthesis of cyclic guanosine 3',5'-cyclic monophosphate (cGMP), smooth muscle relaxation and vasodilation. The heme group in soluble guanylyl cyclase binds NO and allosterically activates the catalytic site. In addition, a second allo...

journal_title：Clinical chemistry and laboratory medicine

authors： Nakane M

更新日期：2003-07-01 00:00:00

abstract：BACKGROUND:Serum amino acids, part of a pool of free amino acids, are influenced by metabolism and disease. Few reports exist describing their function and concentrations in serum. Our study aimed to determine age- and gender-related differences in serum amino acid concentrations in healthy Japanese patients, focusing ...

journal_title：Clinical chemistry and laboratory medicine

authors： Kouchiwa T,Wada K,Uchiyama M,Kasezawa N,Niisato M,Murakami H,Fukuyama K,Yokogoshi H

更新日期：2012-01-04 00:00:00

abstract：:The mutant of CYP2D6*3 allele with A2637 deletion in exon 5 and the mutant of CYP2D6*4 allele G1934-->A, splice site defect are among the most common polymorphic alleles of CYP2D6 gene, resulting in a decreased or no activity of CYP isoenzyme. In this study, a reliable polymerase chain reaction-restriction fragment le...

journal_title：Clinical chemistry and laboratory medicine

authors： Topić E,Stefanović M,Nikolić V,Zoricić I,Ivanisević AM,Zuntar I

更新日期：1998-08-01 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:Haptoglobin (Hp) is an abundant serum protein which binds extracorpuscular hemoglobin (Hb). Two alleles exist in humans for the Hp gene, denoted 1 and 2. Diabetic individuals with the Hp 2-2 genotype are at increased risk of developing vascular complications including heart attack, stroke, and kidney disease...

journal_title：Clinical chemistry and laboratory medicine

authors： Levy NS,Vardi M,Blum S,Miller-Lotan R,Afinbinder Y,Cleary PA,Paterson AD,Bharaj B,Snell-Bergeon JK,Rewers MJ,Lache O,Levy AP

更新日期：2013-08-01 00:00:00

abstract：:Collagenous proteins are especially prone to nonenzymatic glycation, because they contain several dibasic amino acid residues with free amino groups, have a very slow turnover rate, and are exposed to ambient levels of glucose. The aim of this study was to determine the time-dependent course of advanced glycation proc...

journal_title：Clinical chemistry and laboratory medicine

authors： Turk Z,Misur I,Turk N,Benko B

更新日期：1999-08-01 00:00:00

abstract：BACKGROUND:Plasma iron is increased in preeclampsia (PE) when compared to healthy pregnant women. This is in contrast to inflammation characteristic for PE. The link between iron homeostasis and inflammation is hepcidin. Our goal was to describe hepcidin concentrations and its association with iron homeostasis in PE. ...

journal_title：Clinical chemistry and laboratory medicine

authors： Toldi G,Stenczer B,Molvarec A,Takáts Z,Beko G,Rigó J Jr,Vásárhelyi B

更新日期：2010-10-01 00:00:00

abstract：BACKGROUND:Thyroid stimulating hormone (TSH) receptor autoantibodies (TRAb) are pathogenetic and diagnostic hallmarks of Graves' disease (GD). Three varieties of TRAb have been described: stimulating (S-TRAb), blocking (B-TRAb), and apoptotic (A-TRAb) autoantibodies. Very recently, the first immunoassay method (Immulit...

journal_title：Clinical chemistry and laboratory medicine

authors： Tozzoli R,D'Aurizio F,Villalta D,Giovanella L

更新日期：2017-01-01 00:00:00

abstract：Objectives:Colorectal cancer (CRC) screening using stool samples is now in routine use where tumor DNA methylation analysis for leading markers such as NDRG4 and SDC2 is an integral part of the test. However, processing stool samples for reproducible and efficient extraction of human genomic DNA remains a bottleneck fo...

journal_title：Clinical chemistry and laboratory medicine

authors： Jin S,Ye Q,Hong Y,Dai W,Zhang C,Liu W,Guo Y,Zhu D,Zhang Z,Chen S,Wang Y,Li D,Ma W,Yang Z,Li J,Zheng Z,Luan J,Wu X,Jiang F,Xu C,Ding C

更新日期：2020-07-16 00:00:00

abstract：BACKGROUND:Laboratory reference intervals are not necessarily reflecting the range in the background population. This study compared creatine kinase (CK) reference intervals calculated from a large sample from a Norwegian population with those elaborated by the Nordic Reference Interval Project (NORIP). It also assesse...

journal_title：Clinical chemistry and laboratory medicine

authors： Lilleng H,Johnsen SH,Wilsgaard T,Bekkelund SI

更新日期：2011-11-10 00:00:00

abstract：:The proposed recommendation for measuring and reporting chloride in undiluted plasma or blood by ion-selective electrodes (ISEs) will provide results that are identical to chloride concentrations measured by coulometry for standardized normal plasma or blood samples. It is applicable to all current ISEs dedicated to c...

journal_title：Clinical chemistry and laboratory medicine

authors： Rayana MC,Burnett RW,Covington AK,D'Orazio P,Fogh-Andersen N,Jacobs E,Kataky R,Külpmann WR,Kuwa K,Larsson L,Lewenstam A,Maas AH,Mager G,Naskalski JW,Okorodudu AO,Ritter C,St John A,International Federation of Clinical C

更新日期：2006-01-01 00:00:00

abstract：:Background uPA and PAI-1 are breast cancer biomarkers that evaluate the benefit of chemotherapy (CT) for HER2-negative, estrogen receptor-positive, low or intermediate grade patients. Our objectives were to observe clinical routine use of uPA/PAI-1 and to build a new therapeutic decision tree integrating uPA/PAI-1. Me...

journal_title：Clinical chemistry and laboratory medicine

authors： Reix N,Lodi M,Jankowski S,Molière S,Luporsi E,Leblanc S,Scheer L,Ibnouhsein I,Benabu JC,Gabriele V,Guggiola A,Lessinger JM,Chenard MP,Alpy F,Bellocq JP,Neuberger K,Tomasetto C,Mathelin C

更新日期：2019-05-27 00:00:00

abstract：BACKGROUND:Mutations in BRCA1 and BRCA2 genes are associated with family predisposition to breast and ovarian cancer. Novel screening methods are required for efficient and rapid detection of sequence variants in cancer patients and their family members. METHODS:The screening for variants in the breast and ovarian can...

journal_title：Clinical chemistry and laboratory medicine

authors： Cvok ML,Cretnik M,Musani V,Ozretic P,Levanat S

更新日期：2008-01-01 00:00:00