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PKU was the first disorder to be routinely diagnosed through widespread newborn screening. Robert Guthrie introduced the newborn screening test for PKU in the early 1960s. [67] With the knowledge that PKU could be detected before symptoms were evident, and treatment initiated, screening was quickly adopted around the world.
After the discovery of PKU as a cause of mental retardation, Horst Bickel and colleagues discovered that it could be treated successfully with a diet low in phenylalanine. [7] The main drawback in successful treatment of PKU was the delay in identifying affected individuals. The common test for PKU at the time was mixing urine with ferric chloride.
Hyperphenylalaninemia most is commonly diagnosed by newborn screening and must be distinguished from classic PKU by confirmatory testing at an experienced center. Some cases in adult women have been detected using maternal screening programs or following birth of children with birth defects.
The routine testing of infants for certain disorders is the most widespread use of genetic testing—millions of babies are tested each year in the United States. All states currently test infants for phenylketonuria (PKU, a genetic disorder that causes mental illness if left untreated) and congenital hypothyroidism (a disorder of the thyroid ...
Today a screening blood test for PKU is done on newborns to detect the disease. With a special diet low in phenylalanine, PKU newborns can grow and develop into normal children and adults. Følling's work was too late to save Liv and Dag from severe progressive mental retardation (and in Dag's case, death) but it has saved thousands of children ...
An alleged Chinese spy who forged a close relationship with Prince Andrew has been identified by a British court, the latest twist in a case that has shone a light on Beijing’s influence inside ...
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