Publications by authors named "MCLEAN B"

Insulin resistance is an increasingly common metabolic abnormality characterized by an impaired physiological response to insulin. The constellation of insulin resistance and several other metabolic and vascular disorders is known as the insulin resistance syndrome. The characteristic features of the insulin resistance syndrome include central obesity, hypertension, dyslipidemia, glucose intolerance and specific abnormalities of both endothelial cell and vascular function.

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A culture model for cardiac hypertrophy, stimulation of neonatal rat cardiac myocytes by alpha(1)-adrenergic agonists, has been used extensively to identify transcription factors that activate genes during cardiac hypertrophy, such as skeletal alpha-actin, beta-myosin heavy chain (betaMHC), and B-natriuretic peptide. We used this culture model to further investigate transcription factors regulating the betaMHC promoter in cardiac myocytes under basal conditions and during hypertrophy. We found that the rat betaMHC promoter contains two other MCAT sites, in addition to the two MCATs reported previously.

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Objective: To design and implement a reporting system for quality of long-term care to empower consumers and to create incentives for quality improvement. To identify a model to approach this technically and politically difficult task.

Approach: Establishment of a credible and transparent decision process using a public forum.

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Allgrove's or "4 A" syndrome is a rare autosomal recessive condition with alacrima, achalasia, autonomic disturbance, and ACTH insensitivity among other features. Recent studies have identified mutations in the AAAS, a candidate gene on chromosome 12q13 in such patients. Manifestations in adult patients are rarely reported.

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Background: Previous work has indicated a wide range of unmet medical health needs in people with intellectual disability (ID).

Methods: A profile of recorded medical needs was produced for 589 people with ID through a detailed search of individual medical and nursing case records. Specialist optometric and audiological assessments were offered, and reports were provided in technical and plain English terms.

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Competition isotherms are used to identify the set of cellulose substructures to which cellulose binding modules (CBMs) from families 2a, 3, 4, 9, and 17 bind. The experiments are based on coupling a unique fluorescent tag to each CBM in a manner that does not alter the natural binding properties of the CBM and therefore allows the surface and solution concentrations of each CBM to be monitored as a function of time and composition. Adsorption and surface exchange of like or competing CBMs are monitored using a range of cellulose preparations varying in both crystallinity and provenance.

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A 25-year-old woman presented with rapidly progressive motor weakness necessitating ventilation 10 months after the onset. Despite immunosuppressive therapy she died 27 months later, without developing significant extramotor features. Autopsy revealed evidence of both upper and lower motor neuron loss with wide-spread motor and extramotor intraneuronal basophilic inclusions, most of which did not show ubiquitin immunoreactivity.

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AN adult onset novel disorder of peroxisomal function is described, characterised by retinitis pigmentosa resulting in progressive visual failure, learning difficulties, a peripheral neuropathy, and hypogonadism. The defect results in accumulation of pristanic acid, and the bile acid intermediates, dihydroxycholestanoic and trihydroxycholestanoic acid, and is due to a deficiency of alpha-methylacyl-CoA racemase, making this the first fully characterised description of this defect. Screening of patients with retinitis pigmentosa should be extended to include pristanic acid and/or bile acid intermediate concentrations, as dietary measures offer a potential treatment for the disorder.

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Family 6 carbohydrate-binding modules were amplified by polymerase chain reaction (PCR) from Clostridium stercorarium strain NCIB11754 genomic DNA as a triplet. Individually, these modules bound to xylooligosaccharides and cellooligosaccharides with affinities varying from approximately 3 x 10(3) M(-1) to approximately 1 x 10(5) M(-1). Tandem and triplet combinations of these modules bound co-operatively to soluble xylan and insoluble cellulose to give approximately 20- to approximately 40-fold increases in affinity relative to the individual modules.

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There are few published data describing female cyclists and the studies available are difficult to interpret because of the classification of athletes. In this review, cyclists are referred to as either internationally competitive (International Cycling Union world rankings provided when available) or nationally competitive. Based on the limited data available it appears that the age, height, body mass (BM) and body composition of women cyclists who have been selected to the US and Australian National Road Cycling Teams from 1980 to 2000 are fairly similar.

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The family 2a carbohydrate-binding module (CBM), Cel5ACBM2a, from the C-terminus of Cel5A from Cellulomonas fimi, and Xyn10ACBM2a, the family 2a CBM from the C-terminus of Xyn10A from C. fimi, were compared as fusion partners for proteins produced in the methylotrophic yeast Pichia pastoris. Gene fusions of murine stem-cell factor (SCF) with both CBMs were expressed in P.

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The family 2a carbohydrate-binding module (CBM2a) of xylanase 10A from Cellulomonas fimi binds to the crystalline regions of cellulose. It does not share binding sites with the N-terminal family 4 binding module (CBM4-1) from the cellulase 9B from C.fimi, a module that binds strictly to soluble sugars and amorphous cellulose.

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To date qualitative studies of IgA in the cerebrospinal fluid in neurological disease, particularly multiple sclerosis, have been few and given mixed results. The aim of this study was to identify local synthesis of IgA by detection of clonal IgA bands, in a large cohort of patients with a variety of neurological disorders, using polyacrylamide gel electrophoresis, transfer of protein to nitrocellulose membranes and specific staining. Of 2,097 sequentially analysed patients with suspected neurological disease 54 (2.

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Background: Antihypertensive medication doses are typically increased within several weeks after initiation of therapy because of inadequate blood pressure (BP) control and/or adverse effects.

Methods: We conducted a parallel-group clinical trial with 2935 subjects (53% women, n=1547) aged 21 to 75 years, with Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure VI stages 1 to 2 hypertension, recruited from 365 physician practices in the southeastern United States. Participants were randomized either to a fast (every 2 weeks; n=1727) or slow (every 6 weeks; n=1208) drug titration.

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Objective: To compare the clinical efficacy of rofecoxib, a specific inhibitor of cyclooxygenase 2 (COX-2), with that of diclofenac in patients with osteoarthritis (OA) and to evaluate the safety and tolerability of rofecoxib.

Methods: We performed a randomized, double-blind, active comparator-controlled trial in 784 adults with OA of the knee or hip. Patients were randomized to 1 of 3 treatment groups: 12.

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A modular mannanase (Man26A) from the bacterium Cellulomonas fimi contains a mannan-binding module (Man26Abm) that binds to soluble but not to insoluble mannans. Man26Abm does not bind to cellulose, chitin or xylan. The K(d) for binding of Man26Abm to locust bean gum (LBG) is approximately 0.

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Sensory motor neuropathy is associated with various inherited disorders including Charcot-Marie-Tooth disease, X-linked adrenoleukodystrophy/adrenomyeloneuropathy and Refsum disease. In the latter two, the neuropathy is thought to result from the accumulation of specific fatty acids. We describe here three patients with elevated plasma concentrations of pristanic acid (a branched-chain fatty acid) and C27-bile-acid intermediates.

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Cellulose-binding domains (CBDs) are discrete protein modules found in a large number of carbohydrolases and a few nonhydrolytic proteins. To date, almost 200 sequences can be classified in 13 different families with distinctly different properties. CBDs vary in size from 4 to 20 kDa and occur at different positions within the polypeptides; N-terminal, C-terminal and internal.

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The aetiology of neurological involvement in systemic lupus erythematosus (SLE) still remains largely uncertain, but there are some recent reports of retrovirus activity linked to human and mouse models of SLE. Antiribosomal P antibodies appear specific to SLE and tend to be associated with psychiatric disease, but not exclusively so. The role of antiphospholipid antibodies in the pathogenesis of SLE may not be solely to cause thrombotic events, but also to act directly on neuronal tissue.

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