Genetic polymorphism of thiopurine S-methyltransferase in Argentina.

abstract：:An evaluation of the Amerlex system for determination of total thyroxine (T4) and total triiodothyronine (T3) is described. The within- and between-batch precisions were acceptable, and analyses of quality control material and linearity studies demonstrated good accuracy at the clinical decision levels. The correlatio...

journal_title：Annals of clinical biochemistry

authors： Wilke TJ,Turnbull PA

更新日期：1982-03-01 00:00:00

abstract：:A simple procedure is described for the preparation of a stable precision quality control material for use in the measurement of level of ionised calcium in serum at or near the reference range. Repeat analyses on a Nova 2 ionised calcium analyser of serum pools stored at different temperatures over a period of three ...

journal_title：Annals of clinical biochemistry

authors： Fyffe JA,Jenkins AS,Bolland CJ,Dryburgh FJ,Gardner MD

更新日期：1981-03-01 00:00:00

abstract：:A number of cardiac interventional procedures are available for the treatment of angina, including percutaneous transluminal coronary angioplasty (PTCA), stent insertion and rotational atherectomy (RA). Variable degrees of myocardial cell injury during PTCA and stent insertion have been observed, based on rises in cre...

journal_title：Annals of clinical biochemistry

authors： Harris BM,Nageh T,Marsden JT,Thomas MR,Sherwood RA

更新日期：2000-11-01 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

abstract：:Auto-antibodies to oxidized low-density lipoprotein (ox-LDL) are thought to play a pivotal role in the pathogenesis of atherosclerosis. This study investigates the value of auto-antibodies to ox-LDL as a predictive marker of atherosclerosis in patients with both homozygous and heterozygous familial hypercholesterolaem...

journal_title：Annals of clinical biochemistry

authors： Paiker JE,Raal FJ,von Arb M

更新日期：2000-03-01 00:00:00

abstract：BACKGROUND AND AIM:Familial hypercholesterolaemia is caused by variants in the low-density lipoprotein cholesterol metabolic pathway involving LDLR, APOB and PCSK9 genes. A national genetic testing service in Wales, UK has observed that no familial hypercholesterolaemia variant is found in almost 80% patients with the ...

journal_title：Annals of clinical biochemistry

authors： Ashfield-Watt P,Haralambos K,Edwards R,Townsend D,Gingell R,Wa Li K,Humphries SE,McDowell I

更新日期：2019-01-01 00:00:00

abstract：:The measurement of galactose-1-phosphate has been advocated for monitoring galactosaemia. A radioenzymatic method is described in which red-cell haemolysates are incubated with radiolabelled uridine diphospho-glucose and exogenous galactose-1-phosphate uridyl transferase. Labelled glucose-1-phosphate is formed in prop...

journal_title：Annals of clinical biochemistry

authors： Dobbie JA,Holton JB

更新日期：1986-05-01 00:00:00

abstract：:Smoking is a major risk factor for periodontal disease, causing bone and tooth loss. Effective management of many oral conditions requires accurate information about smoking. We describe a disposable, 10-min, near-patient saliva test to monitor cigarette smoking. A plastic device contains the dried reagents to measure...

journal_title：Annals of clinical biochemistry

authors： Cope G,Nayyar P,Holder R,Brock G,Chapple I

更新日期：2000-09-01 00:00:00

abstract：BACKGROUND:Phlebotomy is a potential cause of preanalytical errors. We have observed phlebotomy in routine practice in a busy Emergency Department, to see how current practice compares with optimal blood sampling. METHODS:Phlebotomy episodes were audited and compared with standard procedures. A computer-based search o...

journal_title：Annals of clinical biochemistry

authors： Berg JE,Ahee P,Berg JD

更新日期：2011-11-01 00:00:00

abstract：:The extent of lipoprotein glycation was assessed in 82 patients diagnosed as diabetes mellitus type II. Glycated lipoprotein levels in serum were determined by agarose gel film electrophoresis in 48 non-diabetic control subjects, 56 diabetics with complications and 26 diabetics with no complications. All glycated lipo...

journal_title：Annals of clinical biochemistry

authors： Yeğin A,Ozben T

更新日期：1995-09-01 00:00:00

abstract：:Tiaprofenic acid is a non-steroidal anti-inflammatory drug which also has hypouriceamic effect. Studies involving 10 healthy volunteers were designed to investigate the mode of this effect. We postulate that the site of action of tiaprofenic acid is at the cell membrane, the mechanism being an interference with the tr...

journal_title：Annals of clinical biochemistry

authors： Lyfar V,Fernandes L,Thornton E,Cook JG

更新日期：1988-11-01 00:00:00

abstract：:A patient with sepsis and jaundice was admitted for diagnosis and treatment. Associated biochemical changes included increased C-reactive protein, conjugated bilirubin and gamma-glutamyltransferase, the duration of which was protracted. High urine coproporphyrin isomer-1 and immunostaining of liver tissue suggested Du...

journal_title：Annals of clinical biochemistry

authors： Devgun MS,El-Nujumi AM,O'Dowd GJ,Barbu V,Poupon R

更新日期：2012-11-01 00:00:00

abstract：:The diagnostic performance of a new enzyme linked immunosorbent assay for the cardiac structural protein troponin T in the differential diagnosis of ischaemic cardiac damage was assessed. A well documented set of patients admitted to the coronary care unit of a district general hospital were studied. At a cutoff value...

journal_title：Annals of clinical biochemistry

authors： Collinson PO,Moseley D,Stubbs PJ,Carter GD

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:To know whether metformin improves postprandial hyperglycaemia, we examined the effect of metformin on the glycated albumin (GA) to glycated haemoglobin (HbA1c) ratio (GA/HbA1c ratio) in patients with newly diagnosed type 2 diabetes. METHODS:Metformin and lifestyle interventions were initiated in 18 patient...

journal_title：Annals of clinical biochemistry

authors： Sumitani S,Morita S,Deguchi R,Hirai K,Mukai K,Utsu Y,Miki S,Sato B,Nakamura H,Kasayama S,Koga M

更新日期：2015-01-01 00:00:00

abstract：:Multiple myeloma (MM) is a plasma cell dyscrasia characterized by the malignant proliferation of a plasma cell clone that produces a monoclonal immunoglobulin. Diagnosis and management of patients with monoclonal gammopathies depend on accurate identification and characterization of monoclonal proteins. We present a 6...

journal_title：Annals of clinical biochemistry

authors： Aksungar FB,Ayer M,Serteser M,Coskun A,Unsal I

更新日期：2014-09-01 00:00:00

abstract：:A 41-year-old lady presented with classical symptoms of a phaeochromocytoma and markedly elevated urinary adrenaline concentration. Urinary fractionated metanephrine and normetanephrine concentrations were within the normal reference range. Computed tomography of the abdomen/pelvis and I(123) meta-iodobenzylguanidine ...

journal_title：Annals of clinical biochemistry

authors： King TF,Shea PO,Sullivan EP,Srinivasan R,Griffin A,Fitzgerald R,Tormey W,Smith D

更新日期：2008-03-01 00:00:00

abstract：:Background Antiphospholipid syndrome is an autoimmune disease characterized by thrombosis, fetal losses and thrombocytopenia associated to antiphospholipid antibodies. They are directed to phospholipids, such as cardiolipins (anticardiolipin) and lupus anticoagulant or to complexes formed by phospholipids and protein ...

journal_title：Annals of clinical biochemistry

authors： Pelusa HF,Pezzarini E,Basiglio CL,Musuruana J,Bearzotti M,Svetaz MJ,Daniele SM,Bottai H,Arriaga SM

更新日期：2017-09-01 00:00:00

abstract：BACKGROUND:The rapid exclusion of acute myocardial infarction in patients with chest pain can reduce the length of hospital admission, prevent unnecessary diagnostic work-up and reduce the burden on our health-care systems. The combined use of biomarkers that are associated with different pathophysiological aspects of ...

journal_title：Annals of clinical biochemistry

authors： Jacobs LH,van Borren M,Gemen E,van Eck M,van Son B,Glatz JF,Daniels M,Kusters R

更新日期：2015-09-01 00:00:00

abstract：:An audit of troponin measurement protocols in use in Wales showed significant variations in practice with no consensus on analytical methods, or in the selection of a decision limit for the diagnosis of myocardial damage. Peer review data on assay imprecision at concentrations approaching the analytical limit of detec...

journal_title：Annals of clinical biochemistry

authors： Thomas MA,Singh GK,Williams EJ,McDowell IF,Tovey JA,Wayte AM,All Wales Clinical Biochemistry Audit Group.

更新日期：2005-09-01 00:00:00

abstract：:The analytical and biological components of variation of total cholesterol, high density lipoprotein (HDL) cholesterol, HDL3 cholesterol, HDL2 cholesterol and apolipoproteins A-I and B in serum were assessed in 12 apparently healthy individuals. All analytes showed marked individuality and therefore conventional popul...

journal_title：Annals of clinical biochemistry

authors： Ford RP

更新日期：1989-05-01 00:00:00

abstract：:Further data suggesting that assessment of atypicality may be a valuable addition to Down's syndrome screening is presented, based on results from 1521 unaffected pregnancies and 190 chromosomally abnormal pregnancies. For a 1% increase in false positive rates (over the Down's screening-related false positives), it is...

journal_title：Annals of clinical biochemistry

authors： Reynolds TM

更新日期：1997-05-01 00:00:00

abstract：:Ethylene glycol in plasma, urine or dialysis fluid is analysed as the phenylboronate derivative by mixing with acetonitrile/acidified 2,2-dimethoxypropane containing phenylboronic acid. After centrifugation, a portion of the supernatant is analysed directly by gas-liquid chromatography using a 3% OV-101 column at 150 ...

journal_title：Annals of clinical biochemistry

authors： Flanagan RJ,Dawling S,Buckley BM

更新日期：1987-01-01 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：:An automated assay for serum amylase is described. Using the AutoAnalyzer II the method employs, as substrate, a solution of dyed amylopectin which is commercially available (DyAmyl-L). After incubation of serum and substrate at 55 degrees C, 1.0 mol/lKOH is introduced and the coloured products of enzymic hydrolysis a...

journal_title：Annals of clinical biochemistry

authors： Carney JA,Osibeluwo SA,Clements JA,Jay RF

更新日期：1977-11-01 00:00:00

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 ins...

journal_title：Annals of clinical biochemistry

authors： Borai A,Livingstone C,Ferns GA

更新日期：2007-07-01 00:00:00

abstract：BACKGROUND:There are few data on oxidative stresses during and after pregnancy, although aggravation of autoimmune disease is implicated in oxidative stress and occurs frequently in the postpartum period. Thioredoxin (TRX) is a stress-inducible protein, and is used as a good biomarker for oxidative stress. To clarify t...

journal_title：Annals of clinical biochemistry

authors： Kuroda S,Watanabe M,Santo T,Shimizuishi Y,Takano T,Hidaka Y,Kimura T,Iwatani Y

更新日期：2010-01-01 00:00:00

abstract：:An automated method for the determination of N-acetyl-beta-D-glucosaminidase in serum or plasma using p-nitrophenol (pNP) N-acetyl-beta-D-glucosamine as substrate and a Pye Unicam AURA system is described. Normal samples had activities of 853 +/- 146 (SD) nmol pNP liberated/ml/h, with intra-assay coefficient of variat...

journal_title：Annals of clinical biochemistry

authors： Moore JC,Morris JE

更新日期：1982-05-01 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：:We assayed interleukin 6 (IL-6) concentrations in cerebrospinal fluid (CSF) from patients affected by meningitis of different aetiologies, and verified whether IL-6 can be used as a diagnostic marker in the differential diagnosis of meningitis. We used a monoclonal antibody enzyme immunoassay to test 98 CSF samples cl...

journal_title：Annals of clinical biochemistry

authors： López-Cortés LF,Cruz-Ruiz M,Gómez-Mateos J,Jiménez-Hernández D,Viciana-Fernández P,Jiménez-Mejías E

更新日期：1997-03-01 00:00:00

abstract：BACKGROUND:It has been suggested that for the accurate measurement of calcium in urine, samples must be collected into bottles containing acid. Acidification poses risks to both patients and laboratory staff. Here we reappraise whether acidification is a preanalytical necessity. METHODS:Twenty-four-hour urine samples ...

journal_title：Annals of clinical biochemistry

authors： Sodi R,Bailey LB,Glaysher J,Allars L,Roberts NB,Marks EM,Fraser WD

更新日期：2009-11-01 00:00:00