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    Classic Galactosemia (OMIM 230400) is an autosomal recessive disorder of galactose metabolism caused by mutations in the galactose-1-phosphate uridyl transferase (GALT) gene. This disease caused by the inability to metabolize galactose is potentially life-threatening but its pathophysiology has not been clearly defined. GALT gene presents high allelic heterogeneity and around 336 variations have been identified. Here, we report the case of a patient with Classic Galactosemia who was detected during a neonatal screening in Ecuador. Molecular study revealed a mutation in GALT gene intron 1, c.82+3A>G in homozygous condition, this mutation has not been previously reported. This gene variation was not found in any of the 119 healthy Ecuadorian individuals used as control. Furthermore, the mutation was the only alteration detected in the propositus's GALT after sequencing all exons and introns of this gene. In silico modeling predicted that the mutation was pathogenic. Copyright © 2017. Published by Elsevier B.V.


    M De Lucca, C Barba, L Casique. A novel splicing mutation in GALT gene causing Galactosemia in Ecuadorian family. Clinica chimica acta; international journal of clinical chemistry. 2017 Jul;470:20-23

    PMID: 28450132

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