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Managing your life with PKU – young people and teenagers

Making an easier life

Setting in place good habits. With a little organisation, you’ll soon get used to managing PKU easily on your own.

Helping your social circle understand PKU

Why it’s important to speak with your friends and teachers about PKU and how to manage special occasions such as trips or parties.

Read tips and tools to help you in your everyday social life

Treatment information for teenagers with PKU

Find out how to achieve low Phe goals more easily.

Learn more about PKU and the importance of keeping an eye on your blood Phe levels.

Frequently asked questions about PKU and treatment options.

PAH (Phenylalanine Hydroxylase)

An enzyme which works together with Tetrahydrobiopterin (BH4) to convert Phenylalanine (Phe) to Tyrosine (Tyr) in the liver. A deficiency in PAH results in high Phenylalanine levels in the blood, which is the biochemical hallmark of Phenylketonuria (PKU).

Phenotype

An observable characteristic or trait of an organism. Phenotypes result from the expression of an organism’s genes as well as the influence of environmental factors.

phenylalanine (Phe) tolerance

The quantity of Phe a patient may consume without a significant increase in her or his target blood Phe levels. Usually expressed as daily intake.

Phenylalanine (Phe)

A building block of protein, and one of the 10 essential amino acids. An inability to metabolize excess phenylalanine is the characteristic feature of Phenylketonuria (PKU). When the blood concentration of Phenylalanine exceeds what is considered a healthy level, excess amounts may build up in the brain, causing mental retardation.

Phenylalanine Hydroxylase

See PAH.

Phenylketonuria

See PKU.

PKU (Phenylketonuria)

An inherited metabolic defect in protein metabolism. In PKU, the Phenylalanine Hydroxylase (PAH) enzyme is unable to convert Phenylalanine to Tyrosine, resulting in a build-up of Phenylalanine (Phe) in the blood that eventually passes into the brain, causing mental retardation and other neurological problems.

Protein

A type of molecule produced by the body from Amino acids.