abstract：:Hypogonadism in the male results from inadequate testicular function, especially defects in androgen synthesis and secretion, or action. Androgen action is important throughout normal male development: in the fetus, puberty, adult life and old age. Regulation is by variable activity of the hypothalamo-pituitary axis a...

journal_title：Annals of clinical biochemistry

authors： Belchetz PE,Barth JH,Kaufman JM

更新日期：2010-11-01 00:00:00

abstract：BACKGROUND:The relationship between plasma angiopoietin-like protein 3 (ANGPTL3), and lipoprotein lipase (LPL) activity and hepatic triglyceride lipase (HTGL) activity has not been investigated in the metabolism of remnant lipoproteins (RLPs) and high-density lipoprotein (HDL) in human plasma. METHODS:ANGPTL3, LPL act...

journal_title：Annals of clinical biochemistry

authors： Nakajima K,Kobayashi J,Mabuchi H,Nakano T,Tokita Y,Nagamine T,Imamura S,Ai M,Otokozawa S,Schaefer EF

更新日期：2010-09-01 00:00:00

abstract：:Autosomal dominant hypercholesterolaemia is genetically heterogeneous, but most commonly (approximately 93%) caused by mutations in low-density lipoprotein receptor (LDLR), where the disease is known as familial hypercholesterolaemia (FH), or apolipoprotein B-100 (APOB) (approximately 5.5%), where the disease is known...

journal_title：Annals of clinical biochemistry

authors： Taylor A,Bayly G,Patel K,Yarram L,Williams M,Hamilton-Shield J,Humphries SE,Norbury G

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND:The high-dose hook effect is a well-known phenomenon of two-site immunoassays including those for human chorionic gonadotrophin (hCG). We investigated the occurrence of a high-dose hook effect in six routinely available hCG assays using a sample with a total hCG concentration of approximately 3,600,000 IU/L....

journal_title：Annals of clinical biochemistry

authors： Al-Mahdili HA,Jones GR

更新日期：2010-07-01 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：BACKGROUND:Circulating levels of bioavailable oestradiol and testosterone are often desirable for clinical practice or investigational studies of children. However, assays to measure circulating hormone levels might not always be accessible. We sought to validate the empirical calculation of circulating bioavailable te...

journal_title：Annals of clinical biochemistry

authors： Egleston BL,Chandler DW,Dorgan JF

更新日期：2010-05-01 00:00:00

abstract：BACKGROUND:Individuals who are unable to metabolize the short-acting muscle relaxant succinylcholine due to abnormal cholinesterase activity are currently investigated via spectrophotometry using artificial substrates and enzyme inhibitors. Methods have been described using succinylcholine as substrate but with measure...

journal_title：Annals of clinical biochemistry

authors： Spencer JD,Rushton D,Allen KR

更新日期：2010-05-01 00:00:00

abstract：:We report a 63-year-old man who presented with breathlessness and weight loss and was diagnosed on echocardiography to have carcinoid heart disease. It was later transpired that he underwent surgical removal of an ileal carcinoid tumour 19 years previously. ...

journal_title：Annals of clinical biochemistry

authors： Sulaiman R,Panting M,Bhogal G,Perry I,Ford C,Gama R

更新日期：2010-03-01 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：BACKGROUND:We found a unique cholesteryl ester transfer protein (CETP) deficient case with markedly elevated serum triglyceride (TG) as well as high-density lipoprotein cholesterol (HDL-C) levels. Most of the CETP deficiency cases were reported to have normal or reduced serum TG with elevated HDL-C. METHODS:The case s...

journal_title：Annals of clinical biochemistry

authors： Ai M,Tanaka A,Shimokado K,Ohtani R,Inazu A,Kobayashi J,Mabuchi H,Nakano T,Nakajima K

更新日期：2009-11-01 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

abstract：BACKGROUND:Analysis of copper and zinc in serum is commonly performed using atomic absorption spectrometry (AAS); however, these methods are often not readily available in smaller laboratories. Randox colorimetric assays for copper and zinc in serum were evaluated on the Thermo Electron Data Pro analyser against flame ...

journal_title：Annals of clinical biochemistry

authors： Beckett JM,Hartley TF,Ball MJ

更新日期：2009-07-01 00:00:00

abstract：BACKGROUND:To assess the accuracy and precision of the Roche Performa and Medisense Optium Xceed (5 and 10 s reading) blood glucose meters. METHODS:Capillary blood samples were taken from 100 patients attending a diabetes centre and blood glucose measured on Roche Performa (n = 4) and Medisense Optium Xceed 5 s (n = 2...

journal_title：Annals of clinical biochemistry

authors： Florkowski C,Budgen C,Kendall D,Lunt H,Moore MP

更新日期：2009-07-01 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

authors： Nimir AA,Khalil EA,Musa AM,Yassin HM,El-Hassan AM

更新日期：2009-03-01 00:00:00

abstract：:The primary antibody deficiency syndromes are a group of rare disorders characterized by an inability to produce clinically effective immunoglobulin responses. Some of these disorders result from genetic mutations in genes involved in B cell development, whereas others appear to be complex polygenic disorders. They mo...

journal_title：Annals of clinical biochemistry

authors： Wood P

更新日期：2009-03-01 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：:The current search for new treatments to combat coronary heart disease (CHD) is centred on increasing HDL-cholesterol. The failure of the CETP inhibitor torcetrapib may force a rethink. This perspective briefly reviews the antiatherosclerotic properties of HDL and ways HDL-cholesterol concentration can be raised, but ...

journal_title：Annals of clinical biochemistry

authors： Mackness B,Mackness M

更新日期：2009-01-01 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

authors： Venner AA,Doyle-Baker PK,Lyon ME,Fung TS

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:For nearly 20 years, we and others have used a three-parameter power function as a direct estimation error model for immunoassays. The main application is imprecision profile plots (after translating from variance to coefficient of variation) but other uses include weighting functions for regression analysis...

journal_title：Annals of clinical biochemistry

authors： Sadler WA

更新日期：2008-09-01 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：BACKGROUND:Lysophosphatidic acid (LPA) plays important roles in a variety of biological responses, especially in the area of vascular biology, and the determination of its plasma concentration is believed to be important. Several mechanisms are known to be involved in the metabolism of LPA. METHODS:To identify factors...

journal_title：Annals of clinical biochemistry

authors： Hosogaya S,Yatomi Y,Nakamura K,Ohkawa R,Okubo S,Yokota H,Ohta M,Yamazaki H,Koike T,Ozaki Y

更新日期：2008-07-01 00:00:00

abstract：BACKGROUND:Haemoglobin A1c (HbA1c) is the only measure of glycaemic control used for many patients with diabetes, but it has limitations and might sometimes be misleading. HbA(1c) concentrations are influenced by conditions that alter red-cell life and there is evidence that biochemical variation in intracellular glyca...

journal_title：Annals of clinical biochemistry

authors： Macdonald DR,Hanson AM,Holland MR,Singh BM

更新日期：2008-07-01 00:00:00

abstract：:It is crucially important to detect subarachnoid haemorrhage (SAH) in all patients in whom it has occurred to select patients for angiography and preventative surgery. A computerized tomography (CT) scan is positive in up to 98% of patients with SAH presenting within 12 h, but is positive in only 50% of those presenti...

journal_title：Annals of clinical biochemistry

authors： Cruickshank A,Auld P,Beetham R,Burrows G,Egner W,Holbrook I,Keir G,Lewis E,Patel D,Watson I,White P,UK NEQAS Specialist Advisory Group for External Quality Assurance of CSF Proteins and Biochemistry.

更新日期：2008-05-01 00:00:00

abstract：BACKGROUND:It is important to explain target proteins for the understanding of the pathogenesis of vitreoretinal diseases. In a previous study, we identified more than 100 proteins including seven angiogenic-modulated factors in vitreous humours (VHs). Although there have been many reports of expressed protein profiles...

journal_title：Annals of clinical biochemistry

authors： Mukai N,Nakanishi T,Shimizu A,Takubo T,Ikeda T

更新日期：2008-05-01 00:00:00

abstract：BACKGROUND:Biological variation of an analyte is an important determinant of its usefulness. Intraindividual variation in serum thyroid hormones, parathyroid hormone (PTH) and insulin-like growth factor-1 (IGF-1) in healthy subjects was determined in this study. METHODS:Blood samples were taken at weekly intervals for...

journal_title：Annals of clinical biochemistry

authors： Ankrah-Tetteh T,Wijeratne S,Swaminathan R

更新日期：2008-03-01 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：:Iron status is influenced by inflammation when the normal control of iron metabolism is reorganized by the primary mediators of the acute phase response, tumour necrosis factor-alpha and interleukin-1. The objective of this review is to show how indices of iron status, particularly haemoglobin, serum ferritin and solu...

journal_title：Annals of clinical biochemistry

authors： Northrop-Clewes CA

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:Adding or incorporating clinical interpretative comments on biochemistry results is widespread in UK laboratories; although this consumes considerable human resource, there is still little evidence to suggest that it is either effective or appreciated by our clinical colleagues. I therefore decided to survey...

journal_title：Annals of clinical biochemistry

authors： Barlow IM

更新日期：2008-01-01 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

authors： Nakamura K,Takeuchi T,Ohkawa R,Okubo S,Yokota H,Tozuka M,Aoki J,Arai H,Ikeda H,Ohshima N,Kitamura T,Yatomi Y

更新日期：2007-11-01 00:00:00

abstract：BACKGROUND:Pregnancy represents a major risk factor for deep vein thrombosis (DVT). Most coagulation/fibrinolysis markers currently utilized change during pregnancy, and therefore they cannot accurately evaluate thrombotic events in pregnancy because the rate of false positive results is high. Fibrin monomer complex (F...

journal_title：Annals of clinical biochemistry

authors： Onishi H,Kaniyu K,Iwashita M,Tanaka A,Watanabe T

更新日期：2007-09-01 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：: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：:Most thyroid-stimulating hormone (TSH) assays now have the sensitivity required by thyroid guidelines and allow the reliable identification of patients with both overt and subclinical hyperthyroidism. Clinical guidelines usually quote decision limits for TSH, but often ignore the issue of whether variability in bias b...

journal_title：Annals of clinical biochemistry

authors： Beckett G,MacKenzie F

更新日期：2007-05-01 00:00:00

abstract：BACKGROUND:The stability of parathyroid hormone (PTH) in whole blood has not been well characterized. Previous studies show EDTA plasma samples to be more stable than serum samples. METHODS:Blood from 17 haemodialysis patients and five healthy volunteers was collected into serum separator tubes (SSTs) and potassium ED...

journal_title：Annals of clinical biochemistry

authors： English E,McFarlane I,Taylor KP,Halsall DJ

更新日期：2007-05-01 00:00:00

abstract：BACKGROUND:About 10 years ago, a survey showed significant deficiencies in the quality of gastrointestinal investigations performed by UK laboratories. Subsequently, several clinical guidelines have been developed and external quality assessment schemes introduced. This survey was performed to assess whether earlier de...

journal_title：Annals of clinical biochemistry

authors： Duncan A,Hill PG

更新日期：2007-03-01 00:00:00

abstract：BACKGROUND:Chronic kidney disease (CKD) is an important but under-recognized condition. Recent national guidelines have recommended that biochemistry laboratories report estimated GFR (eGFR) to improve diagnosis of CKD and facilitate disease staging and management. Previous reports have suggested that intake of large a...

journal_title：Annals of clinical biochemistry

authors： Preiss DJ,Godber IM,Lamb EJ,Dalton RN,Gunn IR

更新日期：2007-01-01 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

authors： Kalavalapalli S,Reid H,Kane J,Buckler H,Trainer P,Heald AH

更新日期：2007-01-01 00:00:00

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

authors： Loughrey CM,Hanna EV,McDonnell M,Archbold GP

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND:We evaluated the diagnostic discrimination of a new micro-flow cell device (Nanoduct) which measures sweat conductivity in situ at a regional referral centre for cystic fibrosis (CF). METHODS:The device was evaluated in comparison to the measurement of sweat chloride with the established quantitative piloca...

journal_title：Annals of clinical biochemistry

authors： Losty HC,Wheatley H,Doull I

更新日期：2006-09-01 00:00:00

abstract：BACKGROUND:Emergency abdominal surgery carries considerable postoperative morbidity and mortality. Hypovolaemia is considered to be a cause of renal hypoperfusion, which is associated with a decreased clearance of serum urea and creatinine. This study examines whether the perioperative serum urea and creatinine concent...

journal_title：Annals of clinical biochemistry

authors： Harten J,Hay A,McMillan DC,McArdle CS,O'Reilly DS,Kinsella J

更新日期：2006-07-01 00:00:00