Laboratory sample stability. Is it possible to define a consensus stability function? An example of five blood magnitudes.

abstract：:The detection and quantification of amyloidogenic monoclonal light chains are necessary for the diagnosis and evaluation of response to treatment in AL amyloidosis. However, the amyloid clone is often small and difficult to detect. We report the case of a 68-year-old man who was referred to our Center in April 2013 af...

journal_title：Clinical chemistry and laboratory medicine

authors： Milani P,Valentini V,Ferraro G,Basset M,Russo F,Foli A,Palladini G,Merlini G

更新日期：2016-06-01 00:00:00

abstract：:Background While quantitation methods for small-molecule and tryptic peptide bottom-up mass spectrometry (MS) have been well defined, quantitation methods for top-down or middle-up MS approaches have not been as well defined. Therapeutic monoclonal antibodies (t-mAbs) are a group of proteins that can be used to both d...

journal_title：Clinical chemistry and laboratory medicine

authors： Cradic KW,Ladwig PM,Rivard AL,Katrangi W,Wintgens KF,Willrich MAV

更新日期：2020-06-25 00:00:00

abstract：:Background Patients with cystic fibrosis (CF) have a reduced intestinal absorption of cholesterol and in a preliminary study we observed differences in plasma sterol profile between patients with pancreatic sufficiency (PS) and those with pancreatic insufficiency (PI). Therefore, we hypothesized that the sterol analys...

journal_title：Clinical chemistry and laboratory medicine

authors： Gelzo M,Iacotucci P,Sica C,Liguori R,Comegna M,Carnovale V,Dello Russo A,Corso G,Castaldo G

更新日期：2020-09-25 00:00:00

abstract：BACKGROUND:Antinuclear autoantibody determination relies on an initial screening step using immunofluorescence on HEp2 cells. This may be followed by anti-deoxyribonucleic acid (DNA) determination, if the fluorescence of nuclei is homogeneous. We assessed the validity of a restricted algorithm and compared this to a mo...

journal_title：Clinical chemistry and laboratory medicine

authors： Servais G,Karmali R,Guillaume MP,Badot V,Duchateau J,Corazza F

更新日期：2009-01-01 00:00:00

abstract：:Neopterin is elevated in infections, autoimmune diseases and post-transplant. Recently neopterin elevation was linked to stress response and malignancy. To determine early changes of serum neopterin caused by surgical stress and to investigate their association with other inflammatory markers and with malignancy, we m...

journal_title：Clinical chemistry and laboratory medicine

authors： Jerin A,Pozar-Lukanovic N,Sojar V,Stanisavljevic D,Paver-Erzen V,Osredkar J

更新日期：2002-07-01 00:00:00

abstract：:For several decades, researchers have been investigating the relations between the consumption of Maillard reaction products (MRPs) and biological activities, whether harmful or beneficial. Interest in this area is growing because the intake of these compounds has increased in parallel with the consumption of thermall...

journal_title：Clinical chemistry and laboratory medicine

authors： Delgado-Andrade C

更新日期：2014-01-01 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：:Biochemical reactions in cells which involve oxalic acid are described. It is shown that this compound is required for the formation of uracil and orotic acid. The former is a component of RNA which is common to all cells in the human metabolism. On the basis of the biochemical reactions described a possible treatment...

journal_title：Clinical chemistry and laboratory medicine

authors： Robertson DS

更新日期：2011-09-01 00:00:00

abstract：:The research into non-invasive and invasive prenatal diagnostic techniques developed almost in parallel. On the one hand the need was arising to ensure the birth of normal progeny in all cases, while on the other, it was not possible to eliminate the abortion risks connected with the invasiveness of amniocentesis (ris...

journal_title：Clinical chemistry and laboratory medicine

authors： Torricelli F,Pescucci C

更新日期：2001-06-01 00:00:00

abstract：BACKGROUND:POEMS syndrome is defined by Polyneuropathy, Organomegaly, Endocrinopathy, Monoclonal gammopathy and Skin changes. The vascular endothelial growth factor (VEGF) appears to play a key role in the pathogenesis of the syndrome, and its concentrations are deemed to correlate to disease activity. The aim of the p...

journal_title：Clinical chemistry and laboratory medicine

authors： Altinier S,Proko K,Zaninotto M,Ciubotaru D,Seguso M,Varagnolo M,Lessi F,Briani C,Adami F,Plebani M

更新日期：2016-06-01 00:00:00

abstract：BACKGROUND:Genetic predisposition to hemochromatosis involves several different point mutations in the HFE gene. Routine testing for two such mutations (H63D and S65C) using real-time genotyping deserves special care, as these mutations are in close proximity (6 bp) of each other. METHODS:A novel assay was designed fo...

journal_title：Clinical chemistry and laboratory medicine

authors： Klaassen CH,van Aarssen YA,van der Stappen JW

更新日期：2008-01-01 00:00:00

abstract：:Over the past decades, the randomized controlled trial has entered an era of continuous improvement and has gradually become accepted as the most effective way of determining the relative efficacy and toxicity of new therapies because it controls for placebo and time effects. However, even sensitive and properly desig...

journal_title：Clinical chemistry and laboratory medicine

authors： Cleophas TJ

更新日期：1999-11-01 00:00:00

abstract：BACKGROUND:The aim of the study was to develop a method for sweat chloride (Cl) quantification using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to present to the Joint Committee for Traceability in Laboratory Medicine (JCTLM) as a candidate reference method for the diagnosis of cystic fibrosis (CF). METHODS...

journal_title：Clinical chemistry and laboratory medicine

authors： Collie JT,Massie RJ,Jones OA,Morrison PD,Greaves RF

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND:The clinical relevance of chromogranin A (CgA) concentrations depends on the analytical performance of the assay. The goal of the present study was to define the clinical involvements in CgA calibration models by evaluating the confidence intervals (CIs) for values from patients who were undergoing monitorin...

journal_title：Clinical chemistry and laboratory medicine

authors： Ferraro S,Marano G,Ciardi L,Vendramin C,Bongo AS,Bellomo G,Boracchi P,Biganzoli EM

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:It has been proposed that only anti-thyroid-peroxidase (TPOAb) and not anti-thyroglobulin (TgAb) antibodies should be assayed in the diagnosis of autoimmune thyroid disease (AITD). METHODS:We analyzed the thyroid autoantibody profile with a multiplex bead array system, which allows simultaneous measurement ...

journal_title：Clinical chemistry and laboratory medicine

authors： Tozzoli R,Villalta D,Kodermaz G,Bagnasco M,Tonutti E,Bizzaro N

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND:Efficient laboratory service is the cornerstone of modern health care systems. Scientific innovations have contributed to substantial improvements in the field of laboratory science, but errors still prevail. These errors are classified as preanalytical, analytical and postanalytical, depending upon the time...

journal_title：Clinical chemistry and laboratory medicine

authors： Goswami B,Singh B,Chawla R,Mallika V

更新日期：2010-01-01 00:00:00

abstract：:The aim of the study was to evaluate the clinical efficiency of soluble transferrin receptor and transferrin receptor-ferritin index (sTfR/logF) in the diagnosis of iron deficiency anemia, as well as the differential diagnosis of iron deficiency anemia and anemia in rheumatoid arthritis. The study included 96 patients...

journal_title：Clinical chemistry and laboratory medicine

authors： Margetic S,Topic E,Ruzic DF,Kvaternik M

更新日期：2005-01-01 00:00:00

abstract：:Individual risk of toxicity or cancer reflects the amount of exposure to environmental agents, combined with one's underlying genetic predisposition. More than six dozen human ecogenetic polymorphisms have been described; whereas some of these have been demonstrated to be associated with altered risks of toxicity or c...

journal_title：Clinical chemistry and laboratory medicine

authors： Nebert DW

更新日期：2000-09-01 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：:Chronic rejection accounts for the greatest loss of renal allografts. HLA mismatching has been minimised by organ allocation and new immunosuppressive drugs have been employed, but the average cadaveric graft survival still does not exceed 12 years. Though the aetiology is multifactorial, one contributory factor for t...

journal_title：Clinical chemistry and laboratory medicine

authors： Gerstenkorn C,Robertson H,Mohamed MA,O'Donnell M,Ali S,Talbot D

更新日期：2000-11-01 00:00:00

abstract：BACKGROUND:Previous genomic linkage studies have produced evidence linking sodium-lithium countertransport activity (Na/Li CT) with various chromosomal regions including loci harbouring glutathione S transferase (GST) genes. The aim of this study was to examine the putative association of erythrocyte Na/Li CT activity ...

journal_title：Clinical chemistry and laboratory medicine

authors： Goulas A,Kosmidou M,Hatzitolios AI,Raikos N,Molyva D,Savopoulos C,Giannopoulos S,Fidani L

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:When certain inflammatory processes occur, toxic granulation neutrophils (TGNs) appear in the blood showing prominent cytoplasmic granules. Currently, the granularity of TGNs is analyzed by manual microscopy of blood smears. The SYSMEX XE-5000 is an automated hematology analyzer, which can measure toxic gran...

journal_title：Clinical chemistry and laboratory medicine

authors： Zimmermann M,Cremer M,Hoffmann C,Weimann K,Weimann A

更新日期：2011-07-01 00:00:00

abstract：BACKGROUND:Angiotensin II is produced primarily by angiotensin I-converting enzyme (ACE) within atherosclerotic lesions and ACE level in plaques correlates with the severity of vessel wall damage. Therefore, we investigated the possible association of ACE gene insertion/deletion (I/D) polymorphism and the severity of a...

journal_title：Clinical chemistry and laboratory medicine

authors： Niemiec P,Zak I,Wita K

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:Anemia, a frequent and deleterious condition in patients with cancer, is mainly caused by chemotherapy toxicity, iron deficiency, or inflammation. We evaluated the baseline iron metabolism biomarkers and their association with anemia occurrence during chemotherapy in patients with early breast cancer (EBC). ...

journal_title：Clinical chemistry and laboratory medicine

authors： Durigova A,Lamy PJ,Thezenas S,Pouderoux S,Montels F,Romieu G,Gutowski M,Jacot W

更新日期：2013-09-01 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:Apolipoprotein E (APOE) and choline acetyltransferase (ChAT) have been suggested as candidate genes for determining the risk of late-onset Alzheimer's disease. The aim of this study was to simultaneously detect polymorphisms in codons 112 and 158 of APOE and codon 2 of ChAT by hybridization probe multiplexin...

journal_title：Clinical chemistry and laboratory medicine

authors： Park HD,Park KU,Kim KW,Song J,Chang HE,Heo SR,Lee HJ,Kim JQ

更新日期：2007-01-01 00:00:00

abstract：:Common genetic variants of coagulation factor genes associated with differences in concentration and/or function of coagulation factors have been studied in search of variability that could explain the individual susceptibility to thrombosis and atherothrombotic diseases. The more outstanding polymorphisms in genes of...

journal_title：Clinical chemistry and laboratory medicine

authors： Ferrer-Antunes C

更新日期：1998-12-01 00:00:00

abstract：BACKGROUND:Filamin myopathy is a neuromuscular disorder manifesting with predominantly limb-girdle muscle weakness and in many patients with diaphragm paralysis and cardiomyopathy, caused by mutations in the filamin C (FLNC) gene. Molecular diagnosis of filamin myopathy based on direct DNA sequencing of coding exons is...

journal_title：Clinical chemistry and laboratory medicine

authors： Odgerel Z,van der Ven PF,Fürst DO,Goldfarb LG

更新日期：2010-10-01 00:00:00

abstract：:There are large differences in the use of laboratory tests between hospitals in Sweden. These differences are not only due to differences between the patients treated but also to differences in practice. Use of laboratory test seems to reflect local traditions to a large extent. These large variations in practice are ...

journal_title：Clinical chemistry and laboratory medicine

authors： Larsson A,Palmer M,Hultén G,Tryding N

更新日期：2000-05-01 00:00:00

abstract：BACKGROUND:Blood alcohol determination plays an important role in laboratory medicine and forensic medicine. Nowadays, many methods are being used for alcohol measurement, but these methods are time-consuming and complex to perform laborious sample pre-treatment. The disposable amperometric biosensor, due to its portab...

journal_title：Clinical chemistry and laboratory medicine

authors： Luo P,Xie G,Liu Y,Xu H,Deng S,Song F

更新日期：2008-01-01 00:00:00