Positive newborn screen for methylmaloni
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Edward V. Quadros; Shao-Chiang Lai; Yasumi Nakayama; Jeffrey M. Sequeira; Lucian
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Article
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2010
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John Wiley and Sons
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English
โ 290 KB
Elevated methylmalonic acid in five asymptomatic newborns whose fibroblasts showed decreased uptake of transcobalamin-bound cobalamin (holo-TC), suggested a defect in the cellular uptake of cobalamin. Analysis of TCblR/CD320, the gene for the receptor for cellular uptake of holo-TC, identified a hom