Homocysteine, left ventricular dysfunction and coronary artery disease: is there a link?

abstract：BACKGROUND:The objective of the work was to study the manifestations of antiphospholipid syndrome (APS) in the Chinese population, and evaluate the ability of lupus anticoagulant (LAC) assays to identify APS. METHODS:Consecutive patients with APS from 2012 to 2015 in our hospital were recruited, strictly following the...

journal_title：Clinical chemistry and laboratory medicine

authors： Tang N,Sun Z,Yin S

更新日期：2016-11-01 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：BACKGROUND:The stability limit of an analyte in a biological sample can be defined as the time required until a measured property acquires a bias higher than a defined specification. Many studies assessing stability and presenting recommendations of stability limits are available, but differences among them are frequen...

journal_title：Clinical chemistry and laboratory medicine

authors： Gómez Rioja R,Martínez Espartosa D,Segovia M,Ibarz M,Llopis MA,Bauça JM,Marzana I,Barba N,Ventura M,García Del Pino I,Puente JJ,Caballero A,Gómez C,García Álvarez A,Alsina MJ,Álvarez V

更新日期：2018-10-25 00:00:00

abstract：:The history of prealbumin dates back to the early forties and may be divided into three parts, based on a chronological and functional approach. The first part--the discovery and the identification of prealbumin--was essentially based on classical protein chemistry methods. The second--the demonstration of prealbumin ...

journal_title：Clinical chemistry and laboratory medicine

authors： De Nayer P

更新日期：2002-12-01 00:00:00

abstract：BACKGROUND:Cardiac troponin T (cTnT) has been reported to be a predictor of stroke outcome. We hypothesized that the high-sensitivity cTnT (hs-cTnT) assay is superior to its previous assay generation for stroke outcome prediction. METHODS:cTnT was measured on emergency department admission in 60 consecutive patients (...

journal_title：Clinical chemistry and laboratory medicine

authors： Furtner M,Ploner T,Hammerer-Lercher A,Pechlaner R,Mair J

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND:The European Directive 98/79/EC on in-vitro diagnostic medical devices (IVDs) regulates IVD marketing practices and post-market surveillance. IVD manufacturers have to inform the responsible Competent Authorities of any issues. In Germany, the Federal Institute for Drugs and Medical Devices (BfArM) is respon...

journal_title：Clinical chemistry and laboratory medicine

authors： Siekmeier R,Lütz J

更新日期：2007-01-01 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：BACKGROUND:Customer satisfaction is a key quality indicator of laboratory service. Patients and physicians are the ultimate customers in medical laboratory, and their opinions are essential components in developing a customer-oriented laboratory. METHODS:A longitudinal investigation of customer satisfaction was conduc...

journal_title：Clinical chemistry and laboratory medicine

authors： Guo S,Duan Y,Liu X,Jiang Y

更新日期：2018-04-25 00:00:00

abstract：:Undiagnosed thyroid disease is a common problem with significant public health implications. This is especially true during pregnancy, when the health of both the mother and the developing child can be adversely affected by abnormal maternal thyroid function. Measurement of serum thyroid stimulating hormone (TSH) and ...

journal_title：Clinical chemistry and laboratory medicine

authors： Quinn FA,Gridasov GN,Vdovenko SA,Krasnova NA,Vodopianova NV,Epiphanova MA,Schulten M

更新日期：2005-01-01 00:00:00

abstract：:Molecular diagnostics is one of the most rapidly growing areas of laboratory medicine. This rapid growth of clinical molecular tests has outpaced the availability and development of reference methods and reference materials. Such methods and materials are important for the development, validation, and interpretation o...

journal_title：Clinical chemistry and laboratory medicine

authors： Payne DA,Mamotte CD,Gancberg D,Pazzagli M,van Schaik RH,Schimmel H,Rousseau F,IFCC Committee for Molecular Diagnostics (C-MD).

更新日期：2010-11-01 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：: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：:Human C-reactive protein is a Ca2+-binding acute phase-protein with binding specificity for phosphocholine. Recent crystallographic and mutagenesis studies have provided a solid understanding of the structural biology of the protein, while experiments using transgenic mice have confirmed its host-defense function. The...

journal_title：Clinical chemistry and laboratory medicine

authors： Szalai AJ,Agrawal A,Greenhough TJ,Volanakis JE

更新日期：1999-03-01 00:00:00

abstract：:Many limitations and conflicting results have cast serious doubts on the validity of cerebrospinal fluid tau and Abeta42 levels for the biological diagnosis of Alzheimer's disease, particularly extreme variations of the reference limits found by unrelated groups as a consequence of different reference populations used...

journal_title：Clinical chemistry and laboratory medicine

authors： Burkhard PR,Fournier R,Mermillod B,Krause KH,Bouras C,Irminger I

更新日期：2004-04-01 00:00:00

abstract：:Haemophilia A is the most common inherited bleeding disorder caused by defects in the F8C gene that encodes coagulation factor VIII. This X-linked recessive disorder occurs in approximately 1:5000 males. Haemophilia A is diagnosed based on normal prothrombin time, altered activated partial thromboplastin time and redu...

journal_title：Clinical chemistry and laboratory medicine

authors： Castaldo G,D'Argenio V,Nardiello P,Zarrilli F,Sanna V,Rocino A,Coppola A,Di Minno G,Salvatore F

更新日期：2007-01-01 00:00:00

abstract：:Cytokines are key mediators in cell regulation and communication. The concentration of these proteins can rapidly and importantly increase during severe clinical situations. However, current techniques are not adapted to stat measurement, thus making their clinical use limited. In this context, the commercialization o...

journal_title：Clinical chemistry and laboratory medicine

authors： Berthier F,Lambert C,Genin C,Bienvenu J

更新日期：1999-05-01 00:00:00

abstract：BACKGROUND:Elevated plasma total homocysteine is a risk factor for cardiovascular disease (CVD), but the randomized trials of dietary supplementation with B-vitamins to lower homocysteine have not yet provided clear evidence of benefit on vascular risk. METHODS:Cumulative meta-analysis of all randomized trials assessi...

journal_title：Clinical chemistry and laboratory medicine

authors： Clarke R,Armitage J,Lewington S,Collins R,B-Vitamin Treatment Trialists' Collaboration.

更新日期：2007-01-01 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: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：:There is some evidence from recent observational studies that hyperhomocysteinemia is a risk factor for cognitive dysfunction, including Alzheimer's disease and vascular dementia. There are only a few intervention studies, and the results are disappointing for such a frequent disease. Prospective double-blind and plac...

journal_title：Clinical chemistry and laboratory medicine

authors： Joosten E

更新日期：2001-08-01 00:00:00

abstract：BACKGROUND:CD4+CD25+ forkhead box P3 (FOXP3)+ regulatory T cells (Tregs) accumulate in malignant tumors and negatively regulate antitumor immunity. However, the clinical significance of Tregs in HCC remains unclear. To determine the prognostic value of Tregs, we conducted a retrospective study on 264 patients with Barc...

journal_title：Clinical chemistry and laboratory medicine

authors： Li F,Guo Z,Lizée G,Yu H,Wang H,Si T

更新日期：2014-09-01 00:00:00

abstract：:Cancers of the respiratory tract (lung and head and neck) share common aetiologies, risk factors and molecular characteristics. Epigenetic reprogramming is one of the hallmarks of cancer and DNA methylation is currently the best-studied form. There are a number of characteristics of DNA methylation, which seem advanta...

journal_title：Clinical chemistry and laboratory medicine

authors： Markopoulou S,Nikolaidis G,Liloglou T

更新日期：2012-10-01 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

abstract：BACKGROUND:Haemoglobin (Hb) variants are well-known factors interfering with accurate HbA1c testing. This report describes two novel Hb variants leading to inappropriate quantification of HbA1c by ion-exchange chromatography. METHODS:Glycated forms of novel Hb variants were recognised in the blood of two patients with...

journal_title：Clinical chemistry and laboratory medicine

authors： Bots M,Stroobants AK,Delzenne B,Soeters MR,de Vries JE,Weykamp CW,Norg RJ,Veldthuis M,Zwieten Rv

更新日期：2015-08-01 00:00:00

abstract：BACKGROUND:We evaluated the effect of kidney glomerular function on serum concentrations of human epididymis protein 4 (HE4) using creatinine (Cr), cystatin C (CysC) and related chronic kidney disease epidemiology collaboration (CKD-EPI) equations. METHODS:We enrolled 101 women aged ≤56 years with a glomerular filtrat...

journal_title：Clinical chemistry and laboratory medicine

authors： Ferraro S,Pasqualetti S,Carnevale A,Panteghini M

更新日期：2016-10-01 00:00:00

abstract：:This paper reports on a pilot external quality assessment scheme for bone markers including serum bone alkaline phosphatase and procollagen 1-carboxy terminal propeptide together with urine deoxypyridinoline, N- and C-telopeptides. The data shows poor numerical agreement between commercial assays, between-laboratory i...

journal_title：Clinical chemistry and laboratory medicine

authors： Whitham KM,Milford-Ward A

更新日期：2000-11-01 00:00:00

abstract：:Metabolic conversion of homocysteine (Hcy) to a chemically reactive metabolite, Hcy-thiolactone, catalyzed by methionyl-tRNA synthetase is the first step in a pathway that is suggested to contribute to Hcy toxicity in humans. The accumulation of Hcy-thiolactone is detrimental because of its intrinsic ability to modify...

journal_title：Clinical chemistry and laboratory medicine

authors： Jakubowski H

更新日期：2005-01-01 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:High-dose biotin therapy is beneficial in progressive multiple sclerosis (MS) and is expected to be adopted by a large number of patients. Biotin therapy leads to analytical interference in many immunoassays that utilize streptavidin-biotin capture techniques, yielding skewed results that can mimic various e...

journal_title：Clinical chemistry and laboratory medicine

authors： Piketty ML,Prie D,Sedel F,Bernard D,Hercend C,Chanson P,Souberbielle JC

更新日期：2017-05-01 00:00:00

abstract：BACKGROUND:Gastrointestinal toxicity is the principal toxicity of chemoradiation in the treatment of rectal carcinoma. The assessment of this toxicity still relies mostly on the symptoms reported by the patient. METHODS:Plasma citrulline, serum neopterin and urinary neopterin were followed weekly in 49 patients with r...

journal_title：Clinical chemistry and laboratory medicine

authors： Zezulová M,Bartoušková M,Hlídková E,Adam T,Kujovská Krčmová L,Červinková B,Solichová D,Zlevorová M,Cwiertka K,Friedecký D,Vrána D,Melichar B

更新日期：2016-02-01 00:00:00