The reduction of peripheral insulin concentrations in obese subjects following a hypocaloric diet: reduced pancreatic secretion or increased hepatic extraction?

abstract：:Wernicke's encephalopathy is caused by thiamine deficiency and has a range of presenting features, including gait disturbance, altered cognitive state, nystagmus and other eye movement disorders. In the past, Wernicke's encephalopathy was described almost exclusively in the alcohol-dependent population. However, in cu...

journal_title：Annals of clinical biochemistry

authors： Kohnke S,Meek CL

更新日期：2021-01-01 00:00:00

abstract：BACKGROUND:The reporting interval is the incremental value chosen in reporting analyte concentration. Reporting intervals for different analytes are often inappropriately narrow, when analytical imprecision and biological variability are considered. METHODS:We have used statistical techniques to determine intervals fo...

journal_title：Annals of clinical biochemistry

authors： Badrick T,Wilson SR,Dimeski G,Hickman PE

更新日期：2004-09-01 00:00:00

abstract：:Gestational diabetes is a common pregnancy disorder which is generally managed with diet, exercise, metformin or insulin treatment and which usually resolves after delivery of the infant. Identifying and treating gestational diabetes improves maternal and fetal outcomes and allows for health promotion to reduce the mo...

journal_title：Annals of clinical biochemistry

authors： Meek CL

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND:LC-MS/MS is rapidly becoming the technology of choice for measuring steroid hormones. We have developed a rapid LC-MS/MS assay for the routine analysis of serum cortisol. We have used this assay to investigate the effects of gender and exogenous steroid interference on the immunoassay measurement of serum co...

journal_title：Annals of clinical biochemistry

authors： Owen LJ,Adaway JE,Davies S,Neale S,El-Farhan N,Ducroq D,Evans C,Rees DA,MacKenzie F,Keevil BG

更新日期：2013-07-01 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

authors： Bankson DD,Rifai N,Silverman LM

更新日期：1988-05-01 00:00:00

abstract：BACKGROUND:Golgi protein-73 (GP73) is a newly identified candidate serum marker for liver diseases. The utility of this biomarker remains limited, largely due to the lack of quantitative information. The aims of this study were to quantify serum GP73 (sGP73) in healthy individuals and in patients with liver diseases, a...

journal_title：Annals of clinical biochemistry

authors： Gu Y,Chen W,Zhao Y,Chen L,Peng T

更新日期：2009-01-01 00:00:00

abstract：:This study was undertaken to investigate the extent of the reported discrepancy between serum and plasma albumin concentrations measured by the bromocresol purple (BCP) method. We have shown that plasma albumin concentrations are falsely increased by turbidity due to the precipitation of fibrinogen when plasma is dilu...

journal_title：Annals of clinical biochemistry

authors： Hill PG,Wells TN

更新日期：1983-09-01 00:00:00

abstract：PURPOSE:We assessed erythrocyte sedimentation rate and high-sensitivity C-reactive protein concentration in knee osteoarthritis and non-knee osteoarthritis. In addition, we investigated potential relationship between the levels of erythrocyte sedimentation rate and high-sensitivity C-reactive protein with clinical find...

journal_title：Annals of clinical biochemistry

authors： Hanada M,Takahashi M,Furuhashi H,Koyama H,Matsuyama Y

更新日期：2016-09-01 00:00:00

abstract：BACKGROUND:Thiopurine methyltransferase (TPMT) catalyses the S-methylation of 6-thiopurine drugs, which are commonly used in the treatment of autoimmune diseases, leukaemia and organ transplantation. TPMT activity is polymorphic as a result of gene mutations. Ethnic variations in phenotype and genotype have been identi...

journal_title：Annals of clinical biochemistry

authors： Laróvere LE,de Kremer RD,Lambooy LH,De Abreu RA

更新日期：2003-07-01 00:00:00

abstract：:Homocysteine, a sulphur amino acid, is a branch-point intermediate of methionine metabolism. It can be degraded in the transsulphuration pathway to cystathionine, or remethylated to methionine via the remethylation pathway. In both pathways, major genetic defects that cause enzyme deficiencies are associated with very...

journal_title：Annals of clinical biochemistry

authors： Lievers KJ,Kluijtmans LA,Blom HJ

更新日期：2003-01-01 00:00:00

abstract：:A fast electrophoretic method for measuring glycosylated haemoglobin (HbA1) is described. Eight samples per cell can be assayed in a single run. Results are compatible with those found by macro-column cation-exchange chromatography; precision is good. The practical short-comings of the commercially ready-made mini-col...

journal_title：Annals of clinical biochemistry

authors： Thornton WE,Schellekens AP,Sanders GT

更新日期：1981-05-01 00:00:00

abstract：BACKGROUND:Patient-based real-time quality control (PBRTQC) techniques have been described in clinical chemistry for over 50 years. PBRTQC has a number of advantages over traditional quality control including commutability, cost and the opportunity for real-time monitoring. However, there are few systematic investigati...

journal_title：Annals of clinical biochemistry

authors： Smith JD,Badrick T,Bowling F

更新日期：2020-05-01 00:00:00

abstract：BACKGROUND:Since more than 90% of cortisol is bound to protein, serum free cortisol (SFC) may be a more appropriate marker of adrenal status than total cortisol. However, measurement of SFC is technically difficult and calculated SFC may offer a more practical alternative. METHODS:SFC, measured by equilibrium dialysis...

journal_title：Annals of clinical biochemistry

authors： Barlow NL,Holme J,Stockley RA,Clark PM

更新日期：2010-05-01 00:00:00

abstract：:There is an increasing need for sensitive and specific methods for toxicological screening. Development of a dual-column gas chromatography system for the screening of drugs and metabolites in the plasma of poisoned patients is described. The system has been evaluated using plasma from a well-documented series of pati...

journal_title：Annals of clinical biochemistry

authors： Jarvie DR,Simpson D

更新日期：1984-03-01 00:00:00

abstract：:The estimation of oestrogen in aqueous solutions and pregnancy urines using an automated procedure is affected by the presence of certain ions, and by dilution. These effects have been studied by calculating regression equations from the values obtained with urines to which ions have been added with and without urine ...

journal_title：Annals of clinical biochemistry

authors： Simkins A,Worth HG

更新日期：1976-01-01 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

authors： Nelson JC,Westwood M,Allen KR,Newton KE,Barth JH

更新日期：1998-05-01 00:00:00

abstract：:There is no definitive treatment protocol for alkaptonuria. A patient with alkaptonuria was treated with ascorbic acid (0.5 g/day) from the age of 4 years. He developed episodes of severe recurrent joint pain at 9.5 years of age after which a protein-restricted diet (1.3 g/kg/day) was started. Protein restriction in c...

journal_title：Annals of clinical biochemistry

authors： Morava E,Kosztolányi G,Engelke UF,Wevers RA

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND:Patients with mutations of succinate dehydrogenase B (SDHB) and succinate dehydrogenase D (SDHD) are at high risk of paraganglioma necessitating surveillance. Chromogranin A has been proposed as a biochemical marker of paraganglioma. We sought to determine the diagnostic utility of chromogranin A in a popula...

journal_title：Annals of clinical biochemistry

authors： Thompson MJ,Parameswaran V,Burgess JR

更新日期：2019-01-01 00:00:00

abstract：:Many techniques for the estimation of specific proteins measure light scattered by, or the turbidity of, suspensions of antigen:antibody aggregates formed in fluid-phase reactions. Although the shapes of reaction curves obtained are well documented, interpretation of the data in relation to the laws of light scatterin...

journal_title：Annals of clinical biochemistry

authors： Deverill I,Lock RJ

更新日期：1983-07-01 00:00:00

abstract：:Neuropeptides are present in brain tissue as well as in cerebrospinal fluid. Studies from a variety of disciplines have demonstrated that neuropeptides have neuromodulatory activities. Such activities are apparent in the involvement of neuropeptides in the regulation of adaptive, autonomic, and endocrine functions of ...

journal_title：Annals of clinical biochemistry

authors： Burbach JP

更新日期：1982-07-01 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

authors： Keevil BG,Maylor PW,Rowlands D

更新日期：1996-05-01 00:00:00

abstract：:Addison's disease is a relatively common disorder to endocrinologists, but is rare and potentially fatal when presenting acutely. Treatment now involves replacement of glucocorticoids and mineralocorticoids with synthetic compounds, although historically patients took common salt and plant-based preparations. We descr...

journal_title：Annals of clinical biochemistry

authors： Cooper H,Bhattacharya B,Verma V,McCulloch AJ,Smellie WS,Heald AH

更新日期：2007-07-01 00:00:00

abstract：:Two cases of hypercholesterolaemic patients are presented in whom raised plasma creatine kinase was noted during treatment with statins. The plasma creatine kinase failed to fall following cessation of therapy. Further investigation revealed the aetiology of the raised plasma creatine kinase to be due to previously un...

journal_title：Annals of clinical biochemistry

authors： Barth JH,Brownjohn AM,Jamieson DR

更新日期：2003-09-01 00:00:00

abstract：:We evaluated a novel assay for the measurement of 1,25 dihydroxyvitamin D (1,25 (OH)2D). Immunoextraction of 1,25(OH)2D is performed using a mini column containing a solid-phase monoclonal antibody followed by radioimmunoassay (RIA) using an 125I-labelled 1,25(OH)2D derivative tracer and Sac-cell separation. The mean ...

journal_title：Annals of clinical biochemistry

authors： Fraser WD,Durham BH,Berry JL,Mawer EB

更新日期：1997-11-01 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

authors： Jassam N,Lindsay C,Harrison K,Thompson D,Bosomworth MP,Barth JH

更新日期：2011-03-01 00:00:00

abstract：:Background Measured (MO) and calculated osmotic concentrations (CO) and the osmotic gap (OG) are commonly used in the investigation of electrolyte and volume disturbances as well as in cases of suspected volatile ingestion. Methods We compared 38 published formulae for CO with MO on a large data-set ( n = 9466) and ad...

journal_title：Annals of clinical biochemistry

authors： Wilgen U,Pretorius CJ,Ungerer JP

更新日期：2018-01-01 00:00:00

abstract：:Mitochondrial acetoacetyl-CoA thiolase deficiency (or beta-ketothiolase deficiency) is a rare metabolic disorder characterized by acute episodes of severe acidosis and ketosis. A case is presented of an 18-month-old boy who presented with vomiting and diarrhoea and was found to be markedly acidotic. When the acidosis ...

journal_title：Annals of clinical biochemistry

authors： Tilbrook LK,Slater J,Agarwal A,Cyriac J

更新日期：2008-09-01 00:00:00

abstract：:A 19-year-old man who developed extensive oesophageal lye (Alkali) stricture and received long-term enteral nutrition (eight months) with a jejunostomy tube developed macrocytic anaemia (Hb: 41 g/L) with leucopenia (white blood cell [WBC]: 3.0 x 10(9)/L). The patient's serum vitamin B12, folate, iron and liver functio...

journal_title：Annals of clinical biochemistry

authors： Jayakumar S,Micallef-Eynaud PD,Lyon TD,Cramb R,Jilaihawi AN,Prakash D

更新日期：2005-05-01 00:00:00

abstract：INTRODUCTION:Plantain, a herbal remedy, has been reported to interfere with therapeutic drug monitoring of digoxin. We evaluated three commercially available plantain products for potential interference with therapeutic drug monitoring of digoxin and 13 other common drugs. METHOD:Dry content of plantain capsule or pla...

journal_title：Annals of clinical biochemistry

authors： Dasgupta A,Davis B,Wells A

更新日期：2006-05-01 00:00:00

abstract：BACKGROUND:Various conjugated cholesterol metabolites are excreted in urine of the patients with metabolic abnormalities and hepatobiliary diseases. We aimed to examine the usefulness of precursor ion scan and neutral loss scan for the characterization of conjugated cholesterol metabolites in urine. METHODS:A mixture ...

journal_title：Annals of clinical biochemistry

authors： Maekawa M,Shimada M,Ohno K,Togawa M,Nittono H,Iida T,Hofmann AF,Goto J,Yamaguchi H,Mano N

更新日期：2015-09-01 00:00:00