PubMed · 6053135
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R Clément. 1967-10-28. [Galactose intolerance].. https://pubmed.ncbi.nlm.nih.gov/6053135/
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Fibroblasts of Carbohydrate Deficient Glycoprotein Syndrome (CDGS) patients synthesize smaller lipid-linked oligosaccharides and incorporate less [3H]-mannose into glycoproteins than controls. Adding mannose, but not glucose, to the culture medium simultaneously corrects both lesions, suggesting that CDGS cells lack sufficient mannose for normal glycosylation. Since mannose for glycoprotein synthesis is assumed to come from glucose, CDGS patients could have defective enzymes in this pathway. Here we show that these enzymes are normal in five CDGS cell lines. This suggests that much of the mannose for glycoprotein synthesis in fibroblasts may come from other, as yet unidentified, pathways.
We describe seven children with the carbohydrate-deficient glycoprotein syndrome, an autosomal recessive inborn error of protein glycosylation characterised by failure to thrive, neurological dysfunction and a unique pattern of physical abnormalities. Neuro-radiological investigations revealed cerebellar hypoplasia in all seven children. Two children also developed supratentorial atrophy following episodes of neurological deterioration.
There are two major types of adverse reactions in infant formulas: (1) formula allergy/hypersensitivity, which is an immunologic response, and (2) formula intolerance, which is a nonimmunologic response. Formula intolerance can occur in infants with an underlying congenital or acquired enzyme deficiency (disaccharidase deficiency, galactosemia, hereditary fructose intolerance). The clinical presentation, diagnosis, and treatment of both reactions are reviewed in this article. The appropriateness of the use of a variety of infant formulas is discussed. Guidelines for the prevention of allergic disease are described as well.