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Phenylketonuria is inherited in an autosomal recessive fashion. PKU is an autosomal recessive metabolic genetic disorder. As an autosomal recessive disorder, two PKU alleles are required for an individual to experience symptoms of the disease. For a child to inherit PKU, both parents must have and pass on the defective gene. [17]
A low-protein diet is a diet in which people decrease their intake of protein. A low-protein diet is used as a therapy for inherited metabolic disorders, such as phenylketonuria and homocystinuria , and can also be used to treat kidney or liver disease.
Diet Manual: Utilizing a Vegetarian Diet Plan (with Ardis Beckner, 1965) The Phenylalanine-Restricted Diet Recipe Book (with Ardis Beckner, 1966) Diet Management of PKU for Infants and Preschool Children (with Elizabeth Wenz, 1978) Nutrients in Vegetarian Foods (1984) Feeding the Vegan Infant and Child (1985)
Individuals with phenylketonuria (PKU) must keep their intake of phenylalanine – an essential amino acid – extremely low to prevent a mental disability and other metabolic complications. Phenylalanine is a component of the artificial sweetener aspartame, so people with PKU need to avoid low calorie beverages and foods with this ingredient. [49]
Pregnant women with PKU must control their blood phenylalanine levels even if the fetus is heterozygous for the defective gene because the fetus could be adversely affected due to hepatic immaturity. [medical citation needed] A non-food source of phenylalanine is the artificial sweetener aspartame. This compound is metabolized by the body into ...
Food poisoning, also known as foodborne illness, is a common sickness caused by swallowing food or liquids that contain harmful bacteria, viruses or parasites, and sometimes even chemicals.
Two other possible culprits that are usually diagnosed in newborns, according to Dr. Castilla, include biotinidase deficiency (BTD) and phenylketonuria (PKU). The former makes it difficult for the ...
Previously, it was thought safe to withdraw from the diet in the late teens or early twenties, after the central nervous system was fully developed; recent studies suggest some degree of relapse, and a continued phenylalanine-restricted diet is now recommended. [4] PKU or hyperphenylalaninemia may also occur in persons without the PKU genotype.