Amino acid transport disorder

Specialty| Nephrology

Amino acid transport disorders are medical conditions associated with a failure of amino acids to be absorbed from the kidney or intestine.

An example is Hartnup disease.

## References

## External links

Classification|

* ICD-10: E72.0
* ICD-9-CM: 270
* MeSH: D020157

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* Milne MD (1971). "Disorders of intestinal amino-acid transport". J Clin Pathol 5 (Suppl): 41–4. doi:10.1136/jcp.s3-5.1.41.

* v
* t
* e

Inborn error of amino acid metabolism (E70–E72, 270)

[[Chemistry:Ketogenic amino K→acetyl-CoA]]|

| Lysine/straight chain|

* Glutaric acidemia type 1
* type 2
* Hyperlysinemia
* Pipecolic acidemia
* Saccharopinuria

|

Leucine|

* 3-hydroxy-3-methylglutaryl-CoA lyase deficiency
* 3-Methylcrotonyl-CoA carboxylase deficiency
* 3-Methylglutaconic aciduria 1
* Isovaleric acidemia
* Maple syrup urine disease

Tryptophan|

* Hypertryptophanemia

| G→pyruvate→citrate|

| Glycine|

* D-Glyceric acidemia
* Glutathione synthetase deficiency
* Sarcosinemia

* Glycine]]→Creatine: GAMT deficiency
* Glycine encephalopathy

|

G→glutamate→
α-ketoglutarate|

| Histidine|

* Carnosinemia
* Histidinemia
* Urocanic aciduria

|

Proline|

* Hyperprolinemia
* Prolidase deficiency

Glutamate/glutamine|

* SSADHD

G→propionyl-CoA→
succinyl-CoA|

| Valine|

* Hypervalinemia
* Isobutyryl-CoA dehydrogenase deficiency
* Maple syrup urine disease

|

Isoleucine|

* 2-Methylbutyryl-CoA dehydrogenase deficiency
* Beta-ketothiolase deficiency
* Maple syrup urine disease

Methionine|

* Cystathioninuria
* Homocystinuria
* Hypermethioninemia

General BC/OA|

* Methylmalonic acidemia
* Methylmalonyl-CoA mutase deficiency
* Propionic acidemia

G→fumarate|

| [[Chemistry:PhenylPhenylalanine]]/tyrosine|

| Phenylketonuria|

* 6-Pyruvoyltetrahydropterin synthase deficiency
* Tetrahydrobiopterin deficiency

|

Tyrosinemia|

* Alkaptonuria/Ochronosis
* Tyrosinemia type I
* Tyrosinemia type II
* Tyrosinemia type III/Hawkinsinuria

Tyrosine→Melanin|

* Albinism: Ocular albinism (1)
* Oculocutaneous albinism (Hermansky–Pudlak syndrome)
* Waardenburg syndrome

Tyrosine→Norepinephrine|

* Dopamine beta hydroxylase deficiency
* reverse: Brunner syndrome

G→oxaloacetate|

| Urea cycle/Hyperammonemia
(arginine

* aspartate)

* Argininemia
* Argininosuccinic aciduria
* Carbamoyl phosphate synthetase I deficiency
* Citrullinemia
* N-Acetylglutamate synthase deficiency
* Ornithine transcarbamylase deficiency/translocase deficiency

|

Transport/
IE of RTT|

* Solute carrier family: Cystinuria
* Hartnup disease
* Iminoglycinuria
* Lysinuric protein intolerance

* Fanconi syndrome: Oculocerebrorenal syndrome]]
* Cystinosis

Other|

* 2-Hydroxyglutaric aciduria
* Aminoacylase 1 deficiency
* Ethylmalonic encephalopathy
* Fumarase deficiency
* Trimethylaminuria

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