Abstract:
:Insulin resistance is a common condition, recognized to be a central feature of the metabolic syndrome, and strongly associated with an increased risk of cardiovascular disease and diabetes. The quantitative assessment of insulin sensitivity is not used for routine clinical purposes, but the emerging importance of insulin resistance has led to its wider application to research studies that have examined its pathogenesis, aetiology and consequences. The gold standard method for the determination of insulin sensitivity is the euglycaemic hyperinsulinaemic clamp from which indices of insulin sensitivity can be derived. The clamp technique is both expensive and complex to undertake and has prompted the use of surrogate methods, notably the insulin tolerance test and frequently sampled intravenous glucose tolerance test. Indices may be derived from these methods and correlate well with those derived from clamp studies. Indices can also be derived from measurements made during a standard oral glucose tolerance test and from one-off fasting specimens (e.g. homeostasis model assessment and quantitative insulin sensitivity check index). These indices lend themselves for use in large population studies where a relatively simple, inexpensive assessment is necessary. However, these tests all suffer from important limitations, including poor precision. Insulin resistance is increasingly being assessed in clinical situations, where relatively simple markers are required. Insulin-like growth factor binding protein-1 is an emerging marker which may be useful in this context.
journal_name
Ann Clin Biochemjournal_title
Annals of clinical biochemistryauthors
Borai A,Livingstone C,Ferns GAdoi
10.1258/000456307780945778subject
Has Abstractpub_date
2007-07-01 00:00:00pages
324-42issue
Pt 4eissn
0004-5632issn
1758-1001journal_volume
44pub_type
杂志文章,评审abstract::Heterophilic antibodies are well described, but poorly appreciated interferents and is often not a recognized problem affecting most immunoassays. We report a patient presented with ectopic Cushing's syndrome (CS), but repeated plasma adrenocorticotropic hormone (ACTH) concentrations conducted by immunoassay were inap...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/0004563214520751
更新日期:2014-07-01 00:00:00
abstract::A group of international experts prepared two lists of drugs with their serum/plasma and urine concentrations, which should be used when evaluating the performance of a new laboratory method. The two lists were verified by running in vitro interference studies in three European laboratories on Hitachi instruments. The...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章,多中心研究
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abstract::Digoxin requesting patterns were studied prospectively over a 6-month period. Clinicians were not forewarned that the study was being undertaken. Many samples received in the laboratory were taken at incorrect times after the drug had been given. This led to inappropriate action being taken in some cases. Appropriate ...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/000456328702400410
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abstract:BACKGROUND:We evaluated procalcitonin (PCT) assay in the emergency diagnosis of neonatal bacterial infection, especially in preterm infants, relative to C-reactive protein (CRP) and fibrinogen. METHODS:One hundred and twenty neonates (32 preterm), of whom 21 were infected, were tested. RESULTS:Concentrations of PCT, ...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1258/0004563021901874
更新日期:2002-03-01 00:00:00
abstract::Protoporphyrin and zinc-protoporphyrin were measured in the erythrocytes of normal subjects, workers exposed to lead and patients with iron deficiency and erythropoietic protoporphyria (EPP). Results showed significantly higher levels of zinc-protoporphyrin in the lead-exposed workers (P < 0.0001), patients with iron ...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/000456329803500313
更新日期:1998-05-01 00:00:00
abstract::Some inherited metabolic disorders (IMDs) can cause significant complications during pregnancy, affecting the mother and/or the fetus. Although it appears that only a minority of IMDs have these effects, experience is still being acquired. For some disorders, patients will not have reached child-bearing age. Pregnanci...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章,评审
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更新日期:2002-09-01 00:00:00
abstract::We conducted an electrophoretic analysis of monoclonal gamma-globulin found in the serum of a patient with splenic marginal-zone lymphoma. This monoclonal protein showed electrophoretic mobility to the gamma region and reacted with anti-immunoglobulin (IgG) antiserum but not with anti-kappa or anti-lambda light chain ...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1258/000456306776021490
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abstract::Erythrocyte and fasting plasma magnesium were assayed by a dyebinding colorimetric method using the metallochromic dye, Calmagite, in 51 diabetic Nigerians and 25 controls. Erythrocyte magnesium concentrations were similar in the diabetics and the controls. Fasting plasma magnesium concentrations were significantly lo...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/000456328902600111
更新日期:1989-01-01 00:00:00
abstract::A case report is presented of a 37-year-old man who, largely by chance, was found to have a marked mixed hyperlipidaemia. As a teenager he had been treated for apparent idiopathic growth hormone deficiency, but had also never developed secondary sexual characteristics. Pituitary hormone measurement was now consistent ...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1258/0004563041201581
更新日期:2004-07-01 00:00:00
abstract::Measurement of genetically altered DNA shed from tumours into the circulation can potentially provide a new generation of blood-based cancer biomarkers. Compared with tissue DNA biomarkers which require surgery or biopsy, samples for circulating tumour DNA assays can be obtained with minimal inconvenience and at lower...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章,评审
doi:10.1177/0004563218798401
更新日期:2019-01-01 00:00:00
abstract:OBJECTIVE:The initial discovery of leptin (1994) has given rise to a substantial number of published studies. This study aimed at identifying the published data on the reference ranges of total, free and bound leptin concentration in the healthy prepubertal population. METHODS:A search was conducted on original Englis...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章,meta分析
doi:10.1258/acb.2008.008168
更新日期:2009-01-01 00:00:00
abstract::We developed a binary gradient high-performance liquid chromatography (HPLC) method for measuring HbA2 in whole blood samples using a Pharmacia Mono Q column (1 mL) and measurement at 415 nm. The assay requires a simple lysis and centrifugation step before injection onto the column. We found good agreement of results ...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/000456329603300313
更新日期:1996-05-01 00:00:00
abstract:BACKGROUND:Sickle cell disease is a heterogenous disorder characterized by an abnormal haemoglobin and sickling phenomena of red cells. It is prevalent among certain nomadic tribes in Sudan. Painful, aplastic and haemolytic crises mark sickle cell anaemia. Haemoglobin S (HbS) is detected using haemoglobin electrophores...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1258/acb.2008.008155
更新日期:2009-03-01 00:00:00
abstract::Background Point-of-care testing has been developed to provide rapid test results. Most published studies focus on analytical performance, neglecting its impact on patient outcomes. Objective To review the analytical performance and accuracy of point-of-care testing specifically planned for immunoassay and to evaluate...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/0004563217694377
更新日期:2017-07-01 00:00:00
abstract::Serum retinol-binding protein (RBP), with a biological half-life of less than 12 h, is a useful indicator of liver or kidney dysfunction. An automated immunoturbidimetric assay for the measurement of RBP has been developed using the Cobas-BIO centrifugal analyser and commercially available materials. Serum samples wit...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/000456328802500309
更新日期:1988-05-01 00:00:00
abstract::Many contradictory results have been published on the stability of total non-esterified fatty acids in blood, plasma and serum under different storage conditions. The present study was undertaken to investigate the stability of non-esterified fatty acids, measured with an enzymatic method, in samples of EDTA-treated p...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1258/0004563011900470
更新日期:2001-05-01 00:00:00
abstract:BACKGROUND:Our study aims to explore the effect of serum long non-coding RNA (lncRNA) H19 level on the long-term prognosis of endoscopic keyhole surgery or craniotomy for glioma. METHODS:A total of 264 glioma patients were selected. Patients were randomly divided into the Craniotomy-high H19 group, the Craniotomy-low ...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/0004563220941888
更新日期:2020-09-01 00:00:00
abstract::Circulating insulin-like growth factor-1 (IGF-1) is increasingly being used as a screening test and in ongoing monitoring of treated acromegaly. We here present three cases of women (two of whom were on the oestrogen containing contraceptive pill at the time of presentation) who had normal circulating IGF-1 and no ove...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1258/000456307779596075
更新日期:2007-01-01 00:00:00
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journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1258/0004563042466703
更新日期:2004-11-01 00:00:00
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journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/000456329603300205
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abstract:BACKGROUND:It is recommended that children receiving intravenous fluids should have frequent biochemical monitoring, in some situations 4-6 hourly. Small changes in sodium must be detected, requiring very high precision from sodium analyses. Some children are monitored using venous blood analysed by indirect ion-select...
journal_title:Annals of clinical biochemistry
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abstract::A case is presented of a 41-year-old man with a history of recurrent renal stones over 10 years. Analysis of the stone showed that, although it gave a positive reaction with the non-specific phosphotungstic acid test, uricase failed to identify any urate present. Analysis in a reference laboratory confirmed its compos...
journal_title:Annals of clinical biochemistry
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更新日期:2004-03-01 00:00:00
abstract:BACKGROUND:It is now established that the bioactive lipid lysophosphatidic acid (LPA) contributes to cancer initiation, progression and metastasis, including those of prostate cancer. LPA is produced in the serum and plasma mainly by conversion from lysophospholipids through the action of lysophospholipase D (lysoPLD),...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
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更新日期:2007-11-01 00:00:00
abstract::This paper reviews the physiology and pathology of oxygen transport from the atmosphere to the cells in critically ill patients. A thorough understanding of this allows a rational approach to monitoring and managing an hypoxic patient in the intensive care setting. ...
journal_title:Annals of clinical biochemistry
pub_type: 指南,杂志文章,评审
doi:10.1177/000456329102800104
更新日期:1991-01-01 00:00:00
abstract:BACKGROUND:Oxidative stress may play an aetiological role in the development and progression of cardiovascular disease (CVD). However, evidence on its biochemical markers has been controversial. This article aimed to assess the role of F2-isoprostanes, a marker for measuring in vivo lipid oxidation, as a biomarker for ...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章,评审
doi:10.1258/acb.2012.011263
更新日期:2013-03-01 00:00:00
abstract:BACKGROUND:In a network of laboratories analytical variability between instruments, even of the same type, may exist for reasons beyond the control of laboratory staff. Controlling variability is a prerequisite for the application of shared reference ranges and for ensuring the transferability of patient test results. ...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1258/acb.2010.010005
更新日期:2011-03-01 00:00:00
abstract::A simple HPLC method for the determination of caffeine and theophylline in plasma is described. Separation of theobromine, paraxanthine, theophylline, beta-hydroxyethyltheophylline and caffeine is obtained using a mobile phase of 1% acetic acid/methanol (83:17, v/v) and a Waters Associates NOVA-PAK C18 column protecte...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/000456328602300410
更新日期:1986-07-01 00:00:00
abstract:BACKGROUND:A convenient method for the measurement of sialic acid in plasma apoB-containing lipoproteins is described. METHODS:Dextran sulphate-Mg(2+) precipitation and enzymatic sialic acid assay were combined and applied to analysis of plasma from 96 healthy controls and 136 hyperlipidaemic subjects of types IIa (n=...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1258/0004563054255614
更新日期:2005-07-01 00:00:00
abstract:BACKGROUND:Glycated haemoglobin (HbA1c) concentration is lower relative to glyacemic control in diabetic patients on haemodialysis. However, it is unknown as to whether this is also true for diabetic patients with end-stage renal disease but not on haemodialysis. METHODS:Correlations between HbA1c or glycated albumin ...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1258/acb.2011.011161
更新日期:2012-01-01 00:00:00
abstract::A binding assay for sex hormone binding globulin (SHBG) has been developed in which SHBG is saturated with tritiated dihydrotestosterone (DHT). Separation of bound and free DHT is achieved by using Concanavalin A-Sepharose as a solid phase matrix. The method is described and its performance, including linearity, impre...
journal_title:Annals of clinical biochemistry
pub_type: 杂志文章
doi:10.1177/000456329202900208
更新日期:1992-03-01 00:00:00