Hyperhomocysteinemia and B-vitamin deficiencies in infants and children.

abstract：BACKGROUND:The aim of our study was to determine the frequency of anti-thyroid-stimulating hormone (TSH) receptor antibodies (TRAb) in Tunisian patients with Graves' disease (GD) and to compare the validity of TRAb to that of thyroperoxidase (TPO-Ab) and thyroglobulin antibodies (TG-Ab). METHODS:ELISA was used to dete...

journal_title：Clinical chemistry and laboratory medicine

authors： Mankaï A,Toumi D,Chadli-Chaieb M,Ghedira-Besbes L,Saad F,Ouertani M,Sfar H,Jeddi M,Chaieb L,Ghedira I

更新日期：2007-01-01 00:00:00

abstract：:Gestational diabetes mellitus (GDM) is defined as carbohydrate intolerance during pregnancy. In Denmark the health service offers selective screening for GDM, i.e., admission to an oral glucose tolerance test (OGTT) after pre-screening with interview for clinical risk factors for GDM, two capillary fasting blood gluco...

journal_title：Clinical chemistry and laboratory medicine

authors： Schytte T,Jørgensen LG,Brandslund I,Petersen PH,Andersen B

更新日期：2004-01-01 00:00:00

abstract：:The early diagnosis of rheumatoid arthritis (RA) has become a priority owing to the availability of effective disease-modifying agents that can improve patient wellbeing and influence the clinical outcome. However, this represents a real challenge, as no clinical, radiological or immunological features are pathognomon...

journal_title：Clinical chemistry and laboratory medicine

authors： Bizzaro N

更新日期：2007-01-01 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：:People are increasingly able to access their laboratory results via patient portals. The potential benefits provided by such access, such as reductions in patient burden and improvements in patient satisfaction, disease management, and medical decision making, also come with potentially valid concerns about such resul...

journal_title：Clinical chemistry and laboratory medicine

authors： Witteman HO,Zikmund-Fisher BJ

更新日期：2019-02-25 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: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: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：BACKGROUND:Non-invasive biochemical markers are needed to support the diagnosis of ulcerative colitis (UC), an incurable disease of unknown pathology. Midkine is an angiogenic cytokine, chemotactic towards neutrophils and macrophages, and a T-regulatory cell suppressor. METHODS:Serum midkine was measured immunoenzymat...

journal_title：Clinical chemistry and laboratory medicine

authors： Krzystek-Korpacka M,Neubauer K,Matusiewicz M

更新日期：2009-01-01 00:00:00

abstract：:Transferrin concentration and total iron binding capacity (TIBC) are currently used to assess iron status. Although correlation between TIBC and transferrin is generally considered as good, conversion factors between the two analytes found in literature show large differences. Although the price per test is lower for ...

journal_title：Clinical chemistry and laboratory medicine

authors： Kasvosve I,Delanghe J

更新日期：2002-10-01 00:00:00

abstract：:Steroid 21-hydroxylase deficiency is present in more than 90% of patients with congenital adrenal hyperplasia, an inherited metabolic disorder of adrenal steroidogenesis. Impaired enzymatic activity leads to the accumulation of metabolic intermediates (progesterone and 17-hydroxyprogesterone), which results in excessi...

journal_title：Clinical chemistry and laboratory medicine

authors： Concolino P,Mello E,Zuppi C,Capoluongo E

更新日期：2010-08-01 00:00:00

abstract：:Reference intervals for healthy subjects and diseased populations are important benchmarks for the clinical interpretation of laboratory test values. It is important that the testing conditions used to collect the reference data be closely matched with the testing conditions used for patient data. Interlaboratory diff...

journal_title：Clinical chemistry and laboratory medicine

authors： Klee GG

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Selective serotonin reuptake inhibitors (SSRIs) in general, and citalopram/escitalopram in particular, are widely used to treat clinical depression. However, SSRI bioavailability and non-compliance represent major issues, especially in the clinical trials setting. In this context, frequent drug-level measure...

journal_title：Clinical chemistry and laboratory medicine

authors： Serebruany V,Malinin A,Dragan V,Atar D,van Zyl L,Dragan A,Lexapro Compliance Task Force.

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：:There is currently no well-established biomarker for Parkinson's disease. The need to better diagnose the condition, define the subtypes of disease, and follow its course independent of any symptomatic drug effects is well-established. In this review, we will begin by reviewing the evidence for biological fluid biomar...

journal_title：Clinical chemistry and laboratory medicine

authors： Breen DP,Michell AW,Barker RA

更新日期：2011-03-01 00:00:00

abstract：:Immunological reactions are influenced by various factors including antigens, antibodies and other variables. We focused on two items: i) matrix effects, especially of detergents and ii) temperature effects: preheating sera, especially effects on rheumatoid factor (RF) measurement and false-positive reactions in ELISA...

journal_title：Clinical chemistry and laboratory medicine

authors： Yoshida H,Imafuku Y,Nagai T

更新日期：2004-01-01 00:00:00

abstract：:Recent studies demonstrated that large amounts of the pro-hormone peptide of brain natriuretic peptide (proBNP) can be detected in plasma of healthy subjects and in particular of patients with heart failure. As a result, a great part of B-type natriuretic peptides measured in patients with cardio-vascular disease may ...

journal_title：Clinical chemistry and laboratory medicine

authors： Clerico A,Vittorini S,Passino C

更新日期：2011-08-26 00:00:00

abstract：BACKGROUND:Several drugs may affect the diagnosis of brain death by depressing the electroencephalographic signal. Serum levels of these drugs must be below their respective therapeutic ranges. METHODS:A high performance liquid chromatography-based fast and simple method was developed for determination of thiopentone,...

journal_title：Clinical chemistry and laboratory medicine

authors： Meinitzer A,Kalcher K,Gartner G,Halwachs-Baumann G,März W,Stettin M

更新日期：2008-01-01 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:Aspartate aminotransferase (AST), alanine aminotransferase (ALT) and γ-glutamyl transferase (GGT) measurements are important for the assessment of liver damage. The aim of this study was to define the reference intervals (RIs) for these enzymes in adults, paying attention to standardization of the methods us...

journal_title：Clinical chemistry and laboratory medicine

authors： Ceriotti F,Henny J,Queraltó J,Ziyu S,Özarda Y,Chen B,Boyd JC,Panteghini M,IFCC Committee on Reference Intervals and Decision Limits (C-RIDL).,Committee on Reference Systems for Enzymes (C-RSE).

更新日期：2010-11-01 00:00:00

abstract：BACKGROUND:Faecal immunochemical tests (FIT) are becoming widely used in colorectal cancer screening. Estimation of faecal haemoglobin concentration in a large group prompted an observational study on gender and age. METHODS:A single estimate of faecal haemoglobin concentration was made using quantitative automated im...

journal_title：Clinical chemistry and laboratory medicine

authors： McDonald PJ,Strachan JA,Digby J,Steele RJ,Fraser CG

更新日期：2011-12-07 00:00:00

abstract：:The present article proposes personal suggestions to improve determinations and clinical interpretation of results of lipoprotein(a) assays. Methods and procedures for sampling and quantification of the various isoforms of lipoprotein(a) in serum, plasma and urine are reviewed with the aim of improving the reliability...

journal_title：Clinical chemistry and laboratory medicine

authors： Lippi G,Guidi G

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND:The immunoglobulin superfamily receptor translocation-associated 2 (IRTA2) gene encodes both membrane and secreted forms of the B-cell differentiation antigen (also identified as FcRH5). The membrane form is highly expressed on the surface of hairy cell leukemia (HCL) cells from patients. This study aimed to...

journal_title：Clinical chemistry and laboratory medicine

authors： Ise T,Kreitman RJ,Pastan I,Nagata S

更新日期：2006-01-01 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:Cardiac troponins are considered the cornerstone for risk stratification and diagnosis of patients with acute coronary syndrome (ACS). Following Clinical Laboratory Standards Institute (CLSI) guidelines, we assessed the analytical performances of the Pathfast (Mitsubishi, Japan) cTnI method. METHODS:We eval...

journal_title：Clinical chemistry and laboratory medicine

authors： Di Serio F,Caputo M,Zaninotto M,Ottomano C,Plebani M

更新日期：2009-01-01 00:00:00

abstract：:Background The accurate and precise measurement of triglycerides is important due to the adverse effects associated with hypertriglyceridaemia. Most laboratory methods are based on enzymatic hydrolysis of triglycerides with measurement of the total glycerol. An elevated free glycerol concentration may result in overes...

journal_title：Clinical chemistry and laboratory medicine

authors： van Heerden C,Magwete A,Mabuza D

更新日期：2020-07-28 00:00:00

abstract：:There is evidence that angiogenesis plays an important role in the progression of multiple myeloma (MM). Hepatocyte growth factor (HGF) and tumor necrosis factor-alpha (TNF-alpha) are cytokines that potently stimulate angiogenesis. We evaluated the microvascular density (MVD) of bone marrow biopsies (after immunostain...

journal_title：Clinical chemistry and laboratory medicine

authors： Alexandrakis MG,Passam FJ,Ganotakis E,Dafnis E,Dambaki C,Konsolas J,Kyriakou DS,Stathopoulos E

更新日期：2004-01-01 00:00:00

abstract：:The aim of the study was to investigate whether procalcitonin, soluble CD14 and interleukin-6 show advantages in predicting the outcome and specificity for bacterial infection in patients with sepsis in comparison to common C-reactive protein measurement. Laboratory parameters were measured in plasma of patients durin...

journal_title：Clinical chemistry and laboratory medicine

authors： Herrmann W,Ecker D,Quast S,Klieden M,Rose S,Marzi I

更新日期：2000-01-01 00:00:00

abstract：:Objectives Our recent survey of 44 mass spectrometry laboratories across 17 countries identified variation in internal standard (IS) choice for the measurement of serum/plasma 17α-hydroxyprogesterone (17OHP) by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The choice of IS may contribute to inter-method v...

journal_title：Clinical chemistry and laboratory medicine

authors： Loh TP,Ho CS,Hartmann MF,Zakaria R,Lo CWS,van den Berg S,de Rijke YB,Cooke BR,Hoad K,Graham P,Davies SR,Mackay LG,Wudy SA,Greaves RF

更新日期：2020-09-25 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