Two new mutations in children affected by partial biotinidase deficiency ascertained by newborn screening.

Abstract excerpt

Mutation analysis performed on DNA from 6 Italian patients with partial biotinidase deficiency ascertained by newborn screening allowed the identification of two new mutations, c1211C > T (T404I) and a single base deletion c594delC. All patients were compound heterozygous for the D444H amino acid substitution showing that this mutation is also common in Italian patients affected by partial biotinidase deficiency.

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