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Biomedical subjects

M Harrison

Publications and source records attributed to M Harrison.

At least 253 records · Page 14Linked to original sources

Cows' milk protein intolerance: a possible association with gastroenteritis, lactose intolerance, and IgA deficiency.

Twenty-five children with cows' milk protein intolerance were studied. Twenty had presented with an illness clinically indistinguishable from infantile gastroenteritis; an enteropathogenic Escherichia coli was isolated from the stools in two children, and in six another member of the family simultaneously developed acute diarrhoea and vomiting. Twenty-three children had lactose intolerance secondary to cows' milk protein intolerance. Eight out of 20 children were found to be partially IgA deficient. An acute attack of gastroenteritis, in damaging the small mucosa, may act as a triggering mechanism in cows' milk protein intolerance, and a deficiency in IgA may be a predisposing factor in so far as it allows the patient to become sensitised to foreign protein.

Animals↗

Characterization of prostaglandin production in tissue culture of rat renal medullary cells.

Renal medullary cells from the rat were used to establish a cell culture line. The morphologic characteristics of these cells were similar to renal medullary interstitial cells. They produced substantial amounts of PGE when provided with arachidonic acid or fetal calf serum. PGE production was inhibited 80-90% by indomethacin or meclofenamate. PGE release by the cells was sensitive to and stimulated by changing the culture media. Stable levels of PGE in the media could be achieved if media changes were avoided during the experimental period.

Animals↗