jonka Marcela Sofia Cerda Sada 26 päivää sitten
68
Lisää tämän kaltaisia
It is generally detected in early childhood. Signs and symptoms usually appear between the ages of 2 and 5.
AS is present from birth. However, it is not diagnosed until 6 to 12 months of age.
There is no cure as such for AS, but there are treatments to manage each of the symptoms caused by AS.
And in terms of behavioral traits, hyperactivity, laughter for no reason, sleep disorder, among others, can be observed.
Neurological traits include mental retardation and motor developmental delay, seizures, among others.
Physical traits may include scoliosis, microcephaly, light hair, skin and eyes, among others.
It can be classified into three: physical traits, neurological traits and behavioral traits.
The vast majority of cases are not inherited, although in certain cases a genetic change responsible for AS may be inherited from one of the parents.
AS occurs on chromosome 15 and there are 4 genetic mechanisms that cause it: Deletion of the critical region 15q11-13 (60-75%) UBE3A mutation (10%) Paternal UPD (2-5%) Imprinting defect (2-5%)
Is controlled with a strict diet, avoiding foods with phenylalanine such as meats, dairy products and products with aspartame.
It is detected in newborns through biochemical tests
Musty odor in breath, skin or urine, caused by too much phenylalanine in the body
Skin rashes, such as eczema
Unusually small head size (microcephaly)
Children with this condition usually have a lighter complexion, hair and eyes
Phenylketonuria (PKU) is caused by variants in the PAH gene, which encodes the enzyme phenylalanine hydroxylase (PAH) in the chromosome 12. PAH is mainly expressed in the liver.