Pipecolic acidemia

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Pipecolic acidemia
Classification and external resources
Pipecolic acid
ICD-9	270.7
OMIM	239400 600964

Pipecolic acidemia, also called hyperpipecolic acidemia or hyperpipecolatemia,^[1] is a very rare autosomal recessive metabolic disorder that is caused by a peroxisomal defect.

Pipecolic acidemia can also be an associated component of Refsum disease with increased pipecolic acidemia (RDPA),^[2] as well as other peroxisomal disorders, including both infantile and adult Refsum disease,^[3]^[4]^[5] and Zellweger syndrome.^[6]

Characteristics

The disorder is characterized by an increase in pipecolic acid levels in the blood, leading to neuropathy and hepatomegaly.

References

↑ Online 'Mendelian Inheritance in Man' (OMIM) 239400
↑ Online 'Mendelian Inheritance in Man' (OMIM) 600964
↑ Tranchant C, Aubourg P, Mohr M, Rocchiccioli F, Zaenker C, Warter JM (Oct 1993). "A new peroxisomal disease with impaired phytanic and pipecolic acid oxidation". Neurology 43 (10): 2044–2048. PMID 8413964.
↑ Online 'Mendelian Inheritance in Man' (OMIM) 266510
↑ Online 'Mendelian Inheritance in Man' (OMIM) 266500
↑ Brul, S.; Westerveld, A.; Strijland, A.; Wanders, R.; Schram, A.; Heymans, H.; Schutgens, R.; Van Den Bosch, H.; Tager, J. (June 1988). "Genetic heterogeneity in the cerebrohepatorenal (Zellweger) syndrome and other inherited disorders with a generalized impairment of peroxisomal functions. A study using complementation analysis". Journal of Clinical Investigation (Free full text) 81 (6): 1710–1715. doi:10.1172/JCI113510. PMC 442615. PMID 2454948.

External links

Definition in biology-online.org

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

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

Phenylalanine/tyrosine

Phenylketonuria	6-Pyruvoyltetrahydropterin synthase deficiency Tetrahydrobiopterin deficiency

Tyrosinemia	Alkaptonuria/Ochronosis Type I tyrosinemia Type II tyrosinemia Type III tyrosinemia/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

Other

M: MET

mt, k, c/g/r/p/y/i, f/h/s/l/o/e, a/u, n, m

k, cgrp/y/i, f/h/s/l/o/e, au, n, m, epon

m (A16/C10), i (k, c/g/r/p/y/i, f/h/s/o/e, a/u, n, m)

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Pipecolic acidemia

Characteristics

See also

References

External links