A multicenter study to evaluate harmonization of assays for N-terminal propeptide of type I procollagen (PINP): a report from the IFCC-IOF Joint Committee for Bone Metabolism.

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:Paraoxonases (PON) are members of an enzyme family involved in preventing low-density lipoprotein oxidation and therefore protecting against atherosclerotic plaque formation. METHODS:We studied the Met55Leu and Gln192Arg PON1 polymorphisms in 712 patients (437 Caucasian- and 275 African-Brazilians) who unde...

journal_title：Clinical chemistry and laboratory medicine

authors： Rios DL,D'Onofrio LO,Cerqueira CC,Bonfim-Silva R,Carvalho HG,Santos-Filho A,Galvão-Castro B

更新日期：2007-01-01 00:00:00

abstract：:Surface-enhanced laser desorption time of flight mass spectrometry (SELDI-TOF-MS) is an important proteomic technology that is immediately available for the high throughput analysis of complex protein samples. Over the last few years, several studies have demonstrated that comparative protein profiling using SELDI-TOF...

journal_title：Clinical chemistry and laboratory medicine

authors： Kiehntopf M,Siegmund R,Deufel T

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Sickle cell disease is a major health burden in India. The aim of the study was to compare the diagnostic utility of two different approaches on automated high performance liquid chromatography (HPLC) for newborn screening for sickle cell disorders and other haemoglobinopathies in India. METHODS:Newborn bab...

journal_title：Clinical chemistry and laboratory medicine

authors： Upadhye DS,Jain DL,Trivedi YL,Nadkarni AH,Ghosh K,Colah RB

更新日期：2014-12-01 00:00:00

abstract：:Homocysteine is a risk factor for ischemic heart disease; similarly as is hyperlipidemia or insulin resistance, which frequently occur in women with polycystic ovary syndrome. We examined the relationships between thiols and hormonal status or insulin resistance in 40 women (aged 25.8 +/- 7 years) with polycystic ovar...

journal_title：Clinical chemistry and laboratory medicine

authors： Vrbíková J,Tallová J,Biciková M,Dvoráková K,Hill M,Stárka L

更新日期：2003-02-01 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 The relationship between renal disease and cardiovascular disease (CVD) is currently known as cardiorenal syndrome. Indoxyl sulfate (IS) is one of the uremic toxins that accelerates the progression of cardiorenal syndrome. This report presents a new method for measuring IS in a simpler way. Methods We evalu...

journal_title：Clinical chemistry and laboratory medicine

authors： Fushimi Y,Tatebe J,Okuda Y,Ishii T,Ujiie S,Morita T

更新日期：2019-10-25 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：: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：:Advanced age-related macular degeneration (AAMD) is a complex sight-threating disease of public health significance. Micro RNAs (miRNAs) have been proposed as biomarkers for AAMD. The presence of certain single nucleotide polymorphisms (SNPs) may influence the explanatory value of these biomarkers. Here we present fin...

journal_title：Clinical chemistry and laboratory medicine

authors： SanGiovanni JP,SanGiovanni PM,Sapieha P,De Guire V

更新日期：2017-05-01 00:00:00

abstract：:The formation of superoxide partially accounts for the well-known oxygen enhancement of radiation-induced biochemical changes and cell damage. Radioprotective effects of copper (II), manganese (IV) or vanadium (IV) complexes, of superoxide dismutase-mimetic activity, on body weight, survival rate and some biochemical ...

journal_title：Clinical chemistry and laboratory medicine

authors： Abou-Seif MA,El-Naggar MM,El-Far M,Ramadan M,Salah N

更新日期：2003-07-01 00:00:00

abstract：:Collagenous proteins are especially prone to nonenzymatic glycation, because they contain several dibasic amino acid residues with free amino groups, have a very slow turnover rate, and are exposed to ambient levels of glucose. The aim of this study was to determine the time-dependent course of advanced glycation proc...

journal_title：Clinical chemistry and laboratory medicine

authors： Turk Z,Misur I,Turk N,Benko B

更新日期：1999-08-01 00:00:00

abstract：:Adequate volume loading may be the most important step in the treatment of patients with septic shock. Techniques allowing us to achieve and tightly control volume loading and regional perfusion are considered to be helpful. An elevated oxygen delivery may be beneficial in some patients but the increase of oxygen deli...

journal_title：Clinical chemistry and laboratory medicine

authors： Meier-Hellmann A,Sakka S,Reinhart K

更新日期：1999-03-01 00:00:00

abstract：BACKGROUND:The objective of this study was to examine the diagnostic accuracy of high-sensitivity cardiac troponin T (hs-cTnT) for acute myocardial infarction (AMI) in patients with renal insufficiency, since this population has a high incidence of non-AMI elevations of hs-cTnT. METHODS:In this prospective study, we e...

journal_title：Clinical chemistry and laboratory medicine

authors： Huang H,Zhu S,Wang W,Yi H,Du X,Nie X,He Y,Song H,Miao Q,Wang L,Li G

更新日期：2015-04-01 00:00:00

abstract：PURPOSE:Premature osteoporosis is a frequent problem in female athletes. Current concepts suggest that a disruption of the hypothalamic-pituitary axis leads to hypoestrogenism, which then causes amenorrhea and osteoporosis. However, the underlying mechanisms have been insufficiently investigated. Osteoprotegerin (OPG) ...

journal_title：Clinical chemistry and laboratory medicine

authors： Herrmann M,Herrmann W

更新日期：2004-01-01 00:00:00

abstract：:In Greece, there is no officially organized training in clinical chemistry for scientists. The Greek Society of Clinical Chemistry-Clinical Biochemistry (GSCC-CB), following the encouragement of the EC4/RC decided to organize a voluntary Register for specialists in clinical chemistry. The following criteria for regist...

journal_title：Clinical chemistry and laboratory medicine

authors： Rizos D,Karababa P,Nikolou C,Sarandakou A,Panagiotakis O,Ferderigou A,Haliassos A,Makris K,Psarra K,Bairaktari E,Spyropoulou P,Galiatsatos N,Trakas N,Seferiadis K,Greek National Clinical Chemistry Registration Commission.

更新日期：2011-08-30 00:00:00

abstract：:The importance of nutrition factors such as calcium, vitamin D and vitamin K for the integrity of the skeleton is well known. Moreover, bone health is positively influenced by certain elements (e.g., zinc, copper, fluorine, manganese, magnesium, iron and boron). Deficiency of these elements slows down the increase of ...

journal_title：Clinical chemistry and laboratory medicine

authors： Zofková I,Nemcikova P,Matucha P

更新日期：2013-08-01 00:00:00

abstract：BACKGROUND:Highly-sensitive cardiac troponin (cTn) assays are being introduced into the market. In this study we argue that the classification of cTn assays into sensitive and highly-sensitive is flawed and recommend a more appropriate way to characterize analytical sensitivity of cTn assays. STUDY:The raw data of 225...

journal_title：Clinical chemistry and laboratory medicine

authors： Ungerer JP,Pretorius CJ

更新日期：2014-04-01 00:00:00

abstract：:Despite many years of study, clinical trials of new drugs to prevent thrombosis have often been disappointing. Part of the problem lies in our incomplete understanding of the regulation of plasminogen activation and/or inhibition in vivo. We have previously shown that in vitro nitration of plasminogen in plasma by per...

journal_title：Clinical chemistry and laboratory medicine

authors： Hathuc C,Hermo R,Schulze J,Gugliucci A

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND:Pertussis has been increasing in frequency and can cause protean manifestation in infants, often resulting in extensive laboratory evaluation. METHODS:We examined the prevalence of cerebrospinal fluid (CSF) anomalies in infants with pertussis and parapertussis over a 5-year period. RESULTS:In total, 239 of...

journal_title：Clinical chemistry and laboratory medicine

authors： Chu TT,Groh J,Cruz AT

更新日期：2011-08-01 00:00:00

abstract：BACKGROUND:Neutrophil gelatinase-associated lipocalin (NGAL) has been suggested as the most promising biomarker of acute kidney injury. However, there are no reliable data on analytical sensitivity and reference limits of urinary NGAL (uNGAL) assay in pediatric age. The aim of the present study is to evaluate the analy...

journal_title：Clinical chemistry and laboratory medicine

authors： Cangemi G,Storti S,Cantinotti M,Fortunato A,Emdin M,Bruschettini M,Bugnone D,Melioli G,Clerico A

更新日期：2013-05-01 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：:Point-of-care testing (POCT) is the fastest growing segment of a US$30 billion worldwide market. "Errors" in the testing process, as well as medical data interpretation and treatment associated with POCT, are recognized as leading to major compromises of patient safety. In today's environment, most testing errors (pre...

journal_title：Clinical chemistry and laboratory medicine

authors： Ehrmeyer SS,Laessig RH

更新日期：2007-01-01 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：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：:The mutant of CYP2D6*3 allele with A2637 deletion in exon 5 and the mutant of CYP2D6*4 allele G1934-->A, splice site defect are among the most common polymorphic alleles of CYP2D6 gene, resulting in a decreased or no activity of CYP isoenzyme. In this study, a reliable polymerase chain reaction-restriction fragment le...

journal_title：Clinical chemistry and laboratory medicine

authors： Topić E,Stefanović M,Nikolić V,Zoricić I,Ivanisević AM,Zuntar I

更新日期：1998-08-01 00:00:00

abstract：BACKGROUND:Low levels of plasma homocysteine have been found in children and adult populations living in Burkina Faso in association with a low prevalence of coronary heart disease. METHODS:Based on this finding, the levels of plasma homocysteine and other thiols (cysteine, cysteinylglycine, glutathione) in postmenopa...

journal_title：Clinical chemistry and laboratory medicine

authors： Chillemi R,Simpore J,Persichilli S,Minucci A,D'Agata A,Musumeci S

更新日期：2005-01-01 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:Cigarette smoking, a cardiovascular risk factor leading to oxygen free radical formation, is involved in the development of serious pathological conditions. On the other hand, a healthy diet and adequate supplementation can help prevent many diseases. The aim of our study was to evaluate in healthy light smo...

journal_title：Clinical chemistry and laboratory medicine

authors： Bamonti F,Novembrino C,Ippolito S,Soresi E,Ciani A,Lonati S,Scurati-Manzoni E,Cighetti G

更新日期：2006-01-01 00:00:00

abstract：:The etiology of cardiovascular diseases is known to be multi-factorial. Some forms of cardiovascular disease are influenced by unclear genetic factors but are predominantly affected by factors such as diet, obesity, cigarette smoking, diabetes mellitus and dyslipidaemia. Some are caused by specific gene defects, with ...

journal_title：Clinical chemistry and laboratory medicine

authors： Pang CP

更新日期：1998-08-01 00:00:00