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Biomedical subjects

A Moody

Publications and source records attributed to A Moody.

50 records · Page 3Linked to original sources
PubMed1989

Florid radiological appearance of megakaryoblastic leukaemia--an aid to earlier diagnosis.

Accurate diagnosis of leukaemia is essential to enable appropriate treatment. The diagnosis is made by cytological and cytochemical techniques but radiology may, however, serve a very useful role in first suggesting a diagnosis. We present here four cases of megakaryoblastic leukaemia (AML FAB classification M7), three of which have strikingly similar unusual radiological changes. A review of the literature suggests this condition has previously been diagnosed as acute or malignant myelofibrosis, and the megakaryoblastic nature of the disease was not recognised. The presence of these radiological features may therefore prompt specific immunocytochemical testing, in a disease that is otherwise difficult to diagnose early.

Bone and Bones↗
PubMed1987

Enteropathic AIDS in Uganda. An endoscopic, histological and microbiological study.

Twenty-three Ugandan patients with enteropathic acquired immunodeficiency syndrome (AIDS, 'slim' disease) were studied. Upper gastrointestinal (GI) endoscopy, colonoscopy, biopsy, stool parasitology and culture were performed. Endoscopy revealed oral and/or oesophageal candidiasis in 22 patients. Stool examination and histology of the upper GI tract showed that 11 patients had cryptosporidiosis and three had isosporiasis (total of 61% of patients with coccidian enteritis). One case of possible Mycobacterium avium mycobacteriosis was also identified. Enteropathic AIDS in Uganda presents with a spectrum of infections similar to that found in developed countries, but the incidence of cryptosporidiosis and isosporiasis is higher.

Acquired Immunodeficiency Syndrome↗
PubMed1985

The London marathon: 3 years in the running.

Over the 3 years from 1982 to 1984, a total of 34 patients were seen in the Accident and Emergency Department of St Thomas' Hospital, London, as a result of the London Marathon. Clinical details are discussed. Considering the number of annual runners who take part, the casualties from the finish of this event are low. This short report suggests that the 3 years' preparation and organization for the finish of the London Marathon were consistently effective.

Adult↗
PubMed1981

Effect of highly purified porcine gut glucagon-like immunoreactivity (glicentin) on glucose release from isolated rat hepatocytes.

We studied the effect of the highly purified gut peptide glicentin on the glucose production and cyclic AMP accumulation of isolated rat hepatocytes. Glicentin at 2.10(-7) mol/l had the same effect on glucose production as maximally effective concentrations of glucagon, but did not stimulate cyclic AMP to the same extent; furthermore, glicentin apparently had only 1/100 of the potency of glucagon on glucose production. During incubation with hepatocytes glicentin was degraded to low molecular weight fragments one of which were chromatographically very similar to fragments of glucagon. It is suggested that glicentin exerts its glucagon-like effects on hepatocytes only after degradation to glucagon-like fragments. The results also demonstrate that the coupling between cyclic AMP accumulation and glucose production depends on the nature of the stimulatory peptide.

Animals↗
PubMed1977

Establishment of serum based essentiall free of proteolytic activity for the culture of mouse pancreatic islets.

The present study demonstrates that a) serum based culture medium degrades 125I inhibits its proteolytic activity leading to the recovery of more insulin secreted by islets cultured in the presence of high glucose concentration alone or with glucagon; c) aprotinin also favoured the accumulation of secreted insulin by protecting the hormone from a residual degradative capacity of the hear treated serum.

Animals↗
PubMed1975

Jejunal factor stimulating insulin release in the isolated perfused canine pancreas and jejunum.

In the present study using an isolated perfused preparation of canine jejunum and pancreas, an insulin-releasing factor was found in the venous effluent of the jejunum. Insulin secretion by the pancreas rose twofold after 10% glucose was infused in the lumen of the jejunum and remained at a high level even after the stimulus was discontinued. No modification of the exocrine pancreatic secretion occurred during the insulin release, and therefore it seems unlikely that gastrin, secretin or cholecystokinin-pancreozymin were released by the jejunal mucosa. In control experiments the values of hyperglycaemia observed previously and intraluminal hyperosmolarity were tested: at these levels, they did not affect insulin secretion. The nature of this intestinal insulin-releasing factor remains unknown however, but may be identifiable when intestinal hormones in blood can be assayed reliably.

Animals↗
PubMedDate not supplied

Normal adult values, diurnal variation, and repeatability of nasal nitric oxide measurement.

Reports of elevated nasal nitric oxide (NO) levels in allergic rhinitis suggest that nasal NO levels could be a valuable marker of upper airway inflammation, provided that the reproducibility of nasal NO measurement is acceptable. The aims of this study were to evaluate the precision with which nasal NO levels can be measured at single point in time, and to quantify within-day and between-day variation. Nasal NO was measured using a modified chemiluminescence analyzer. Population data were normally distributed, as judged by testing for skewness and kurtosis. NO levels were not related to age or gender, and there was no evidence of diurnal variation. Sampling rates of 250 mL/minute and 500 mL/minute at a single point in time had acceptable reproducibility (coefficients of variation 10.2% and 6.6%, respectively). However, within-day variation (coefficient of variation 13.4%) and between-day variation (coefficient of variation 11.8%), at a sampling rate of 500 L/minute, were substantially higher. These findings highlight the importance of taking measurement variation into account, in the interpretation of NO levels, in clinical research and, potentially, in routine practice. In individual patients, an alteration of 20-25% in NO levels is required, to ensure that change is genuine and not ascribable to the noise of measurement.

Adolescent↗
PubMedDate not supplied

Oxygen therapy.

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Humans↗