Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0025362 (mental retardation)
 15,878 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Parents had already taken information about galactosemia from web medical pages because they were asked for a second blood sample from their infant suspected for the disease. All enzyme types of this disorder are diagnosed by neonatal screening perinatally and treated with a galactose (GAL) free diet. The most frequent information about the disease was mental retardation (100%), eye cataracts (100%) liver dysfunction (90.5%), speech delay (76.1%), hypoglycemia (69.0%), seizures (31.0), etc. Most clinical and laboratory information about galactosemia taken from the Internet was correct for the classical type of the disorder. A differentiation of the galactosemia enzyme types is needed.
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PMID:Web medical information produces anxiety in parents of infants with suspected galactosemia. 3075 64

Galactose is a hexose essential for production of energy, which has a prebiotic role and is essential for galactosylation of endogenous and exogenous proteins, ceramides, myelin sheath metabolism and others. The inability to metabolize galactose results in galactosemia. Galactosemia is an autosomal recessive disorder that affects newborns who are born asymptomatic, apparently well and healthy, then develop serious morbidity and mortality upon consuming milk that contains galactose. Those with galactosemia have a deficiency of an enzyme: classic galactosemia (type 1) results from severe deficiency of galactose-1-uridylyltransferase, while galactosemia type II results from galactokinase deficiency and type III results from galactose epimerase deficiency. Many countries include neonatal screening for galactosemia in their national newborn screening program; however, others do not, as the condition is rather rare, with an incidence of 1:30,000-1:100,000, and screening may be seen as not cost-effective and logistically demanding. Early detection and intervention by restricting galactose is not curative but is very rewarding, as it prevents deaths, mental retardation, liver cell failure, renal tubular acidosis and neurological sequelae, and may lead to resolution of cataract formation. Hence, national newborn screening for galactosemia prevents serious potential life-long suffering, morbidity and mortality. Recent advances in communication and biotechnology promise facilitation of logistics of neonatal screening, including improved cost-effectiveness.
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PMID:Screening for galactosemia: is there a place for it? 3121 78


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