The case history of a baby girl suffering galactosemia is described. This was due to a deficit of galactose-1-phosphate uridyl transferase, with symptoms during the neonatal period consisting in weight loss, vomiting, jaundice and bleeding syndrome. From the twelfth day of life, a strict diet without galactose was imposed and controlled by measuring galactose and Hb A1 in serum. The clinical evolution was satisfactory and a liver biopsy, which was taken after seven months of live, shows minimal histological changes. At present, however, the girl is now two years old and shows a marked backwardness in psychomotor functions. The etiologic treatment which consists in the exclusion of galactose from the diet, even when started at a very early stage, does not prevent the aparition of sequelae.

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Speech problems affect about 66% of children with classic galactosemia (CG), but little is known about early motor and sensory motor development in this at-risk population (Rubio-Gozalbo et al., 2019). Research has been focused on speech and language development leaving a paucity of data on motor and sensory differences.

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  • A study analyzed long-term health outcomes in 92 adults (ages 30-78) with classic galactosemia (CG) and 38 unaffected siblings (ages 30-79) using anonymous surveys covering various health domains.
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Classic galactosemia (CG) arises from loss-of-function mutations in the gene, which codes for the enzyme galactose-1-phosphate uridylyltransferase (GALT), a central component in galactose metabolism. The neonatal fatality associated with CG can be prevented by galactose dietary restriction, but for decades it has been known that limiting galactose intake is not a cure and patients often have lasting complications. Even on a low-galactose diet, GALT's substrate galactose-1-phosphate (Gal1P) is elevated and one hypothesis is that elevated Gal1P is a driver of pathology.

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