Biomedical subjects
L S Taitz
Publications and source records attributed to L S Taitz.
Alterations in feeding patterns and rates of weight gain in South Yorkshire infants, 1971-1977.
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The case for a non-nuclear future.
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Biotin-responsive alopecia and developmental regression.
A 10-month-old boy presented with dermatitis and alopecia and became severely hypotonic. Screening for urinary organic acids revealed a large quantity of 3-hydroxyisovaleric acid and raised levels of beta-methylcrotonylglycine and 3-hydroxypropionate. Activities of propionyl CoA carboxylase, beta-methylcrotonyl CoA carboxylase, and pyruvate carboxylase in cultured fibroblasts were normal. Treatment with oral biotin resulted in a dramatic clinical improvement, which might therefore suggest a defect in biotin absorption or transport.
Solute and calorie loading in young infants: short- and long-term effects.
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Weight gain and infant feeding.
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Obesity in pediatric practice: infantile obesity.
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Sodium intake and health in infancy.
Although the healthy infant can tolerate the range of sodium intakes normally present in the variety of diets offered in Britain without developing hypernatraemia or evidence of serious disease, there is enough evidence to suggest that care is required in the amount of sodium given to babies. The consequence of excessive sodium intake may be short term or long term. The most common short term complication is hypertonic dehydration. In the long term, the fear is that high intakes of sodium in early infancy may predispose to hypertension in later life, though this is as yet unproven.
Cerebro-hepato-renal syndrome with parental consanguinity.
A case of cerebro-hepato-renal syndrome with some unusual features is reported. The neuropathological findings are described in detail. Electronmicroscopy showed astrocytes in the demyelinated areas of the brain to contain granules composed of laminated osmiophilic material. These structures could be abnormal mitochondria. The parental consanguinity in this case would further support an autosomal recessive mode of inheritance.
Triglyceride storage disease. A report of two affected children associated with neurological abnormalities.
Two children are described with congenital abnormalities (microcephaly, nystagmus, deafness, hepatomegaly) and the anomalous feature of triglyceride deposits in peripheral adipose tissue associated with severe malnutrition. Peripheral adipose tissue of one of these children displayed: (a) reduced sensitivity of adenyl cyclase to stimulation by noradrenaline (b) no response in tissue levels of cyclic AMP when stimulated by isoprenaline and (c) impaired release of glycerol following stimulation with isoprenaline. The other child, with similar clinical features, showed abnormal deposits of glycogen in the liver. It is postulated that a primary metabolic defect occurs in peripheral adipose tissue (and possibly at other sites such as the liver) that interferes with triglyceride (and glycogen) mobilization during prolonged malnutrition.
Balanced translocation, impaired sperm motility, and offspring anomaly.
An infant with multiple physical abnormalities, failure to thrive, and mental deficiency, all probably due to a 22/11 chromosomal translocation is described, and the implications of inducing pregnancies in childless couples are discussed.
Editorial: Breast is best.
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Mental retardation, elevated alkaline phosphatase, convulsive disorder and thickening of calvarium.
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Turner's syndrome in one of monozygotic twins with mosaicism.
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High calorie-osmolar feeding and hypertonic dehydration.
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Infantile overnutrition among artificially fed infants in the Sheffield region.
Artificially-fed 6-week-old infants in the Sheffield region are heavier than would be predicted from their birth weights and show a greatly increased incidence of excessive weight gain. These findings are associated with caloric intakes that exceed the classic 50 calories/lb/day (110 calories/kg/day) with a universal tendency to early feeding with cereals and mixed infant foods.The possible harmful implications of the trend to infantile overnutrition are discussed.