Concentrations of plasma methylmalonic acid in 80-year-olds show only weak relation to psychological performance.

abstract：BACKGROUND:Usually, laboratory diagnostics of hereditary hemoglobin disorders is fairly straightforward. Sometimes, however, correct diagnosis can be difficult. In this study, we describe a family with multiple mutations and sequence variations in the alpha- and beta-globin gene clusters. METHODS:Hemocytometry results...

journal_title：Clinical chemistry and laboratory medicine

authors： de Vooght KM,van Wijk R,Rijksen G,van Solinge WW

更新日期：2008-01-01 00:00:00

abstract：:Reference intervals in clinical chemistry are commonly based on results of measurements in reference populations or are taken from the literature. A reference population should represent a defined group of individuals and be as similar as possible to the patients under investigation. Frequently, reference populations ...

journal_title：Clinical chemistry and laboratory medicine

authors： Kallner A,Gustavsson E,Hendig E

更新日期：2000-07-01 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:Gilbert's syndrome is a common metabolic dysfunction characterized by elevated levels of unconjugated bilirubin in the bloodstream. This condition is usually caused by additional (TA) insertions in a promoter region of the uridine diphosphate glucuronosyltransferase 1A1 (UGT1A1) gene, which instead of the se...

journal_title：Clinical chemistry and laboratory medicine

authors： Fesenko EE,Heydarov RN,Stepanova EV,Abramov ME,Chudinov AV,Zasedatelev AS,Mikhailovich VM

更新日期：2013-06-01 00:00:00

abstract：:A body of evidence has been accumulated to demonstrate that current practice is not sufficiently safe for several stages of central laboratory testing. In particular, while analytical and perianalytical steps that take place within the laboratory are subjected to quality control procedures, this is not the case for se...

journal_title：Clinical chemistry and laboratory medicine

authors： Kay J

更新日期：2006-01-01 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:The aim of the present study was to investigate serum lactate dehydrogenase (LD) levels in patients with silicosis due to denim sandblasting (SDDS) and also to investigate possible correlations between serum LD levels and the degree of radiological extent of disease (RED) and pulmonary function tests. METHO...

journal_title：Clinical chemistry and laboratory medicine

authors： Deniz O,Gumus S,Ors F,Yaman H,Battal B,Karaman B,Acikel CH,Ucar E,Cakir E,Tozkoparan E,Bilgic H

更新日期：2012-01-31 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：:It is well-established that more than 8% of patients examined for vitamin B12 deficiency unexpectedly have increased plasma levels of the vitamin, but so far there are no guidelines for the clinical interpretation of such findings. In this review, we summarise known associations between high plasma cobalamin and disea...

journal_title：Clinical chemistry and laboratory medicine

authors： Arendt JF,Nexo E

更新日期：2013-03-01 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:Hepatitis C virus (HCV) is one of the most common viral infections worldwide causing major human chronic pathology. Viral RNA can be detected 1-3 weeks after infection and in cases where HCV RNA is still detectable after 6 months, the patient is considered to be chronically infected. Early detection is cruci...

journal_title：Clinical chemistry and laboratory medicine

authors： Bashiardes S,Richter J,Christodoulou CG

更新日期：2008-01-01 00:00:00

abstract：:For several years it has been possible to routinely detect numerous mutations in the human genome by different methods. The most common technique is a standard PCR, but real time fluorescence PCR is increasingly being used. The purpose of this paper is to compare these two different techniques from the point of view o...

journal_title：Clinical chemistry and laboratory medicine

authors： Schroell-Metzger B,Dicato M,Bosseler M,Berchem G

更新日期：2003-04-01 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：:Increased expression of sialyl Lewis X or A antigens on metastatic cancer cells leads to their selectin-mediated extravasation. Profound fucosylation of the serum microenvironment may be a factor that interrupts adhesion and influences the formation of metastases. In this study we quantitatively analyzed fucosylation ...

journal_title：Clinical chemistry and laboratory medicine

authors： Kossowska B,Ferens-Sieczkowska M,Gancarz R,Passowicz-Muszyńska E,Jankowska R

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:High-density lipoprotein (HDL) is believed to be protective against coronary heart disease (CHD). HDL is comprised of different subfractions. Of these, HDL 2b is believed to be the most important in preventing CHD. Current methods for HDL subfraction measurements are not standardized and often exhibit poor a...

journal_title：Clinical chemistry and laboratory medicine

authors： Yang DH,Konigshofer Y,Dike J,Chang E,Mueller O

更新日期：2010-06-01 00:00:00

abstract：:Background Quantification of plasma amino acids is key to the diagnosis of inherited defects of amino acid synthesis, catabolism and transport, many of which present as clinical emergencies. The utility of this test is limited by the long analysis time and subsequent inability of laboratories to provide results in rea...

journal_title：Clinical chemistry and laboratory medicine

authors： Carling RS,John K,Churchus R,Turner C,Dalton RN

更新日期：2020-04-28 00:00:00

abstract：BACKGROUND:Adiponectin is a cytokine produced by adipose tissue with insulin sensitising and anti-atherosclerotic effects. Low plasma adiponectin levels are used as a marker of the metabolic syndrome and incipient type 2 diabetes. METHODS:We carried out a series of studies to determine the short- and long-term variabi...

journal_title：Clinical chemistry and laboratory medicine

authors： Shand B,Elder P,Scott R,Frampton C,Willis J

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND:The measurement of serum IgE aids in the diagnosis and management of atopic allergic disease and hyper-IgE immunodeficiency syndromes. The 2nd World Health Organization (WHO) International Reference Reagent (IRR) for serum IgE (75/502; 5000 IU/ampoule), is widely used to calibrate assays for serum IgE. Exhau...

journal_title：Clinical chemistry and laboratory medicine

authors： Thorpe SJ,Heath A,Fox B,Patel D,Egner W

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND:The dogma of establishing intra-laboratory reference limits (RLs) and their periodic review cannot be fulfilled by most laboratories due to the expenses involved. Thus, most laboratories adopt external sources for their RLs, often neglecting the problems of transferability. This is particularly problematic f...

journal_title：Clinical chemistry and laboratory medicine

authors： Arzideh F,Wosniok W,Haeckel R

更新日期：2011-04-01 00:00:00

abstract：:The present paper describes an evaluation of the interferences found with an immunochemical drug test performed during a workplace control. During the period 1993-2003 more than 200,000 urine samples from workers were examined by the Italian Air Force. Samples were screened for drugs of abuse (opiates, cocaine, cannab...

journal_title：Clinical chemistry and laboratory medicine

authors： De Giovanni N,Fucci N

更新日期：2006-01-01 00:00:00

abstract：:The pathogenesis of cobalamin (Cbl)-deficient (Cbl-D) neuropathy and the role of normal prions (PrPcs) in myelin maintenance are both subjects of debate. We have demonstrated that Cbl deficiency damages myelin by increasing tumor necrosis factor (TNF)-α, and decreasing epidermal growth factor (EGF) levels in the rat c...

journal_title：Clinical chemistry and laboratory medicine

authors： Scalabrino G,Veber D

更新日期：2013-03-01 00:00:00

abstract：UNLABELLED:The pathogenesis of abdominal aortic aneurysms (AAA) is a complex process in which atherosclerosis and inflammation play a leading role. Cytokines are important mediators of both processes. The aim of our study was to determine whether plasma levels of cytokines which are most involved in AAA pathogenesis ca...

journal_title：Clinical chemistry and laboratory medicine

authors： Treska V,Topolcan O,Pecen L

更新日期：2000-11-01 00:00:00

abstract：:An outbreak of the so-called Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome Coronavirus 2 (SARS-CoV-2), has been spreading rapidly nationwide in China since December 2019. Wuhan, Hubei Province, is the hardest-hit region, with a rise in confirmed cases and its hospitals overwhelme...

journal_title：Clinical chemistry and laboratory medicine

authors： Yusong L,Duanliang P,Jia Y,Dunyan C,Hongbing J,Siyuan Y,Huanhuan C,Juan Z,Lyurong L

更新日期：2020-06-25 00:00:00

abstract：:The concentration of leukocyte elastase/alpha1-proteinase inhibitor complexes in plasma and polymorphonuclear neutrophil extracts, and plasma trypsin inhibitory capacity were determined in 88 patients with type 2 diabetes and 47 control subjects. Higher values of these variables were found in patients as compared to c...

journal_title：Clinical chemistry and laboratory medicine

authors： Piwowar A,Knapik-Kordecka M,Warwas M

更新日期：2000-12-01 00:00:00

abstract：:Measurement of total homocysteine (tHcy) in healthy and diseased children has documented the utility of this marker in pediatric research and diagnostics. This article focuses on novel data obtained in infants, children and adolescents, with emphasis on cobalamin status in infants. In children, determinants of plasma ...

journal_title：Clinical chemistry and laboratory medicine

authors： Ueland PM,Monsen AL

更新日期：2003-11-01 00:00:00

abstract：:The aim of this study was to clarify the effects of anti-dsDNA antibodies on the titer and the nuclear staining pattern(s) in a fluorescent antinuclear antibody (FANA) assay using HEp-2 cells. Anti-dsDNA derived from 14 patients with systemic lupus erythematosus (SLE) was individually affinity-purified. The anti-dsDNA...

journal_title：Clinical chemistry and laboratory medicine

authors： Suzuki K,Kawamura M,Mineo M,Shinohara T,Kataharada K,Okada M,Takada K,Miyawaki S,Ohsuzu F

更新日期：2002-01-01 00:00:00

abstract：:Background Investigation of hemostasis is problematic when patients are on anticoagulant therapy. Rivaroxaban especially causes substantial interference, extending many clot-based tests, thereby leading to false positive or negative events. In particular, rivaroxaban affects some assays for activated protein C resista...

journal_title：Clinical chemistry and laboratory medicine

authors： Favaloro EJ,Gilmore G,Bonar R,Dean E,Arunachalam S,Mohammed S,Baker R

更新日期：2020-07-28 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:We assessed whether glycated albumin (GA) is a useful glycemic indicator in diabetic patients with anemia who did not undergo dialysis. METHODS:Hemoglobin A(1c) (HbA(1c)) and GA were simultaneously measured in 370 diabetic subjects who had not undergone dialysis. The relationship between GA and HbA(1c) was ...

journal_title：Clinical chemistry and laboratory medicine

authors： Kim S,Min WK,Chun S,Lee W,Park HI

更新日期：2011-10-01 00:00:00

abstract：:This review presents an overview of current research on the use of capillary electrophoretic techniques for the analysis of drugs in biological matrices. The discussion focuses on the applicability of the methods for the identification of unknown toxic compounds, which is defined as systematic toxicological analysis (...

journal_title：Clinical chemistry and laboratory medicine

authors： Boone CM,Ensing K

更新日期：2003-06-01 00:00:00