A liquid chromatography-tandem mass spectrometry (LC-MS/MS)-based assay to profile 20 plasma steroids in endocrine disorders.

abstract：BACKGROUND:The IFCC Task Force on Clinical Applications of Cardiac Biomarkers suggests comparing several contemporary sensitive troponin assays in the same, sufficiently large reference population. METHODS:Three contemporary sensitive assays were used to measure troponin I concentration in samples from a uniquely larg...

journal_title：Clinical chemistry and laboratory medicine

authors： Petersmann A,Ittermann T,Fries C,Lubenow N,Kohlmann T,Kallner A,Greinacher A,Nauck M

更新日期：2013-11-01 00:00:00

abstract：:Hepatocellular carcinoma (HCC) is one of the most common causes of cancer-induced death. Somatic mutation of the p53 gene is the most common genetic abnormality so far described in human cancer and there is evidence that supports a high level of p53 alterations in HCC. The aim of this study was to investigate serum le...

journal_title：Clinical chemistry and laboratory medicine

authors： El Far MA,Atwa MA,Yahya RS,El Basuni MA

更新日期：2006-01-01 00:00:00

abstract：:Inflammatory bowel diseases (IBDs), which comprise the two major clinical subtypes, Crohn's disease and ulcerative colitis, incur high morbidity and potential mortality. The present study reviews data on the pathogenesis and diagnosis of IBDs. The pathogenesis depends on complex interactions between susceptibility gen...

journal_title：Clinical chemistry and laboratory medicine

authors： Basso D,Zambon CF,Plebani M

更新日期：2014-04-01 00:00:00

abstract：:Drug-induced cardiotoxicity is a major clinical problem; cardiotoxic drugs may induce both cardiac dysfunction and myocardial injury. Several recent studies reported that cardiac troponins measured with high-sensitivity methods (hs-cTn) can enable the early detection of myocardial injury related to chemotherapy or abu...

journal_title：Clinical chemistry and laboratory medicine

authors： Cardinale DM,Zaninotto M,Cipolla CM,Passino C,Plebani M,Clerico A

更新日期：2020-08-26 00:00:00

abstract：:In blood, the exopeptidase dipeptidyl-peptidase IV (DPPIV; EC 3.4.14.5) is predominantly present in a soluble form in plasma/serum and as an activation antigen on the membrane of lymphocytes (CD26). It modifies some important biologically active peptides (neuropeptides, chemokines), and a regulatory role for DPPIV/CD2...

journal_title：Clinical chemistry and laboratory medicine

authors： Durinx C,Neels H,Van der Auwera JC,Naelaerts K,Scharpe S,De Meester I

更新日期：2001-02-01 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：:In every area of science workers are finding increasing difficulty in managing the volume of available data. In medicine, the accelerating pace has the worrisome overtones of our failing to provide up-to-date care for our patients. In other information-intensive areas, we rely heavily on software that manages much of ...

journal_title：Clinical chemistry and laboratory medicine

authors： Ritchie RF

更新日期：2001-11-01 00:00:00

abstract：:We have previously reported two novel mutations in the 5'-untranslated region (UTR) of the gene for folate receptor-alpha (FOLR1). In our search for additional mutations, 92 patient samples with elevated levels of homocysteine were screened by single-strand conformation polymorphism (SSCP) between nt -425 and -782, an...

journal_title：Clinical chemistry and laboratory medicine

authors： Börjel AK,Yngve A,Sjöström M,Nilsson TK

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND:Chronic atrophic gastritis (CAG) is a precursor of the intestinal type of gastric cancer, the second leading cause of cancer-related death worldwide. GastroPanel is a recently marketed serological kit for the non-invasive diagnosis of CAG, defined by some authors "even more reliable than biopsy histology". T...

journal_title：Clinical chemistry and laboratory medicine

authors： Lombardo L,Leto R,Molinaro G,Migliardi M,Ravarino N,Rocca R,Torchio B

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND:The basic helix-loop-helix transcription factor HAND1 is essential for cardiac development and structural remodeling, and mutations in HAND1 have been causally linked to various congenital heart diseases. However, whether genetically compromised HAND1 predisposes to dilated cardiomyopathy (DCM) in humans rem...

journal_title：Clinical chemistry and laboratory medicine

authors： Zhou YM,Dai XY,Qiu XB,Yuan F,Li RG,Xu YJ,Qu XK,Huang RT,Xue S,Yang YQ

更新日期：2016-07-01 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：BACKGROUND:The increasing importance of anti-Müllerian hormone (AMH) for the assessment of ovarian reserve requires accurate AMH measurements. There have been conflicting results about the reliability of currently existing manual AMH assays. METHODS:Development of a high sensitive, fast and fully automated AMH assay o...

journal_title：Clinical chemistry and laboratory medicine

authors： Gassner D,Jung R

更新日期：2014-08-01 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：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：BACKGROUND:Urinary enzymes, including the brush border enzyme alanine aminopeptidase (AAP), are reliable biomarkers of nephrotoxicity and represent early indicators of tubular damage. The aim of the present study was to develop and validate an automated urinary AAP activity assay. METHODS AND RESULTS:For this purpose,...

journal_title：Clinical chemistry and laboratory medicine

authors： Holdt B,Peters E,Nagel HR,Steiner M

更新日期：2008-01-01 00:00:00

abstract：:Volatile biomarker analysis in exhaled breath is becoming one of the desirable strategies for cancer detection because it may offer a relatively inexpensive, rapid, and non-invasive screening method for early diagnosis. Breath analysis has attracted a considerable amount of scientific and clinical interest over the pa...

journal_title：Clinical chemistry and laboratory medicine

authors： Badjagbo K

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND:The calibration of Jaffe method for serum creatinine using one serum-based standard complemented with artificial matrix compensating standard's Jaffe-interfering substances allows two-point calibration with results well comparable with enzymatic methods. METHOD:Spectrophotometry was used. RESULTS:Jaffe pro...

journal_title：Clinical chemistry and laboratory medicine

authors： Chromý V,Rozkosná K,Sedlák P

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:The Sysmex DI-60 system (DI-60, Sysmex, Kobe, Japan) is a new automated digital cell imaging analyzer. We explored the performance of DI-60 in comparison with Sysmex XN analyzer (XN, Sysmex) and manual count. METHODS:In a total of 276 samples (176 abnormal and 100 normal samples), white blood cell (WBC) dif...

journal_title：Clinical chemistry and laboratory medicine

authors： Kim HN,Hur M,Kim H,Kim SW,Moon HW,Yun YM

更新日期：2017-11-27 00:00:00

abstract：:Asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase, is formed by methylation of arginine residues in proteins and released after proteolysis. In this reaction, S-adenosylmethionine is methyldonor and S-adenosylhomocysteine the demethylated product. ADMA and homocysteine are thus bioch...

journal_title：Clinical chemistry and laboratory medicine

authors： van Guldener C,Nanayakkara PW,Stehouwer CD

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Lactase persistence is an inherited autosomal dominant trait that confers the ability to digest lactose after weaning. Lactose persistence is caused by single nucleotide variants in a regulatory element for the lactase gene (LCT). In Europeans, lactase persistence is associated with the nucleotide variant LC...

journal_title：Clinical chemistry and laboratory medicine

authors： Strand H,Sørensen LK,Ingebretsen OC

更新日期：2014-09-01 00:00:00

abstract：:Objectives Cerebrospinal fluid (CSF) is a clear, colorless body fluid filling the central nervous system. The determination of the CSF total protein (TP) content represents an important screening test of various pathologies. We aimed to address the effect of sex and age on CSF-TP content and the use of the current upp...

journal_title：Clinical chemistry and laboratory medicine

authors： Castellazzi M,Pizzicotti S,Lombardo I,Alfiero S,Morotti A,Pellegatti P,Negri G,Natali L,Ferri C,Fainardi E,Bellini T,Pugliatti M

更新日期：2020-10-25 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:Cardiac biomarkers, including cardiac troponin-I (cTn-I) and N-terminal pro brain natriuretic peptide (NT-proBNP) have been associated with poor outcome in hemodialysis (HD) patients. The present study was designed to evaluate these biomarkers as biological risk factors for early and late mortality in HD pat...

journal_title：Clinical chemistry and laboratory medicine

authors： Bargnoux AS,Morena M,Jaussent I,Maurice F,Chalabi L,Leray-Moragues H,Terrier N,Dupuy AM,Badiou S,Canaud B,Cristol JP

更新日期：2013-09-01 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：:Glycosylation is among the most important post-translational modifications for proteins and is of intrinsic complex character compared with DNAs and naked proteins. Indeed, over 50%-70% of proteins in circulation are glycosylated, and the "sweet attachments" have versatile structural and functional implications. Both ...

journal_title：Clinical chemistry and laboratory medicine

authors： Wang M,Zhu J,Lubman DM,Gao C

更新日期：2019-03-26 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：BACKGROUND:Low back pain (LBP) is a very frequent condition, affecting most people at some point throughout their life. This cross-sectional study was aimed to investigate a selected panel of cytokines and inflammatory biomarkers in patients with or without LBP. METHODS:The study population consisted of 104 patients d...

journal_title：Clinical chemistry and laboratory medicine

authors： Lippi G,Dagostino C,Buonocore R,Aloe R,Bonaguri C,Fanelli G,Allegri M

更新日期：2017-08-28 00:00:00

abstract：BACKGROUND:Hyperhomocysteinemia (Hhcy) is considered an independent risk factor for vascular diseases and, more recently, for dementia. The methionine loading test (MLT) is useful for diagnosing additional subjects with moderate Hhcy. However, it is a complex and time-consuming procedure. A noninvasive test for the dia...

journal_title：Clinical chemistry and laboratory medicine

authors： Maldonado-Hernández J,Prina-Ojeda LV,Montalvo-Velarde I,Del Prado-Manríquez M,de Lourdes Barbosa-Cortés M,Repetto-Madrid M

更新日期：2014-05-01 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：:Soluble transferrin receptor (sTfR) is reported to be a reliable marker for the diagnosis of iron deficiency, especially when iron metabolism is influenced by inflammatory disorders such as infection, chronic inflammation and cancer-related anemia. In the present multicenter study the analytical performance of a recen...

journal_title：Clinical chemistry and laboratory medicine

authors： Kolbe-Busch S,Lotz J,Hafner G,Blanckaert NJ,Claeys G,Togni G,Carlsen J,Röddiger R,Thomas L

更新日期：2002-05-01 00:00:00