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Pathway Description
5-Oxoprolinase Deficiency
Homo sapiens
Disease Pathway
5-Oxoprolinase deficiency, also called OPLAHD, is a rare inborn error of metabolism (IEM) and autosomal recessive disorder of glutathione metabolism caused by a defective 5-oxoprolinase. 5-Oxoprolinase catalyzes the conversion of 5-oxoproline into glutamate which is an important neurotransmitter. This disorder is characterized by a large accumulation of 5-oxoproline in the urine. Symptoms of the disorder include enterocolitis, mental retardation, kidney stone formation, and hypoglycemia. 5-Oxoprolinase deficiency has been reported in approximately 8 people.
References
5-Oxoprolinase Deficiency References
Almaghlouth IA, Mohamed JY, Al-Amoudi M, Al-Ahaidib L, Al-Odaib A, Alkuraya FS: 5-Oxoprolinase deficiency: report of the first human OPLAH mutation. Clin Genet. 2012 Aug;82(2):193-6. doi: 10.1111/j.1399-0004.2011.01728.x. Epub 2011 Jun 30.
Pubmed: 21651516
Calpena E, Deshpande AA, Yap S, Kumar A, Manning NJ, Bachhawat AK, Espinos C: New insights into the genetics of 5-oxoprolinase deficiency and further evidence that it is a benign biochemical condition. Eur J Pediatr. 2015 Mar;174(3):407-11. doi: 10.1007/s00431-014-2397-0. Epub 2014 Aug 17.
Pubmed: 25129617
Van der Werf P, Stephani RA, Orlowski M, Meister A: Inhibition of 5-oxoprolinase by 2-imidazolidone-4-carboxylic acid. Proc Natl Acad Sci U S A. 1973 Mar;70(3):759-61. doi: 10.1073/pnas.70.3.759.
Pubmed: 4514988
Lehninger, A.L. Lehninger principles of biochemistry (4th ed.) (2005). New York: W.H Freeman.
Salway, J.G. Metabolism at a glance (3rd ed.) (2004). Alden, Mass.: Blackwell Pub.
Lu SC: Glutathione synthesis. Biochim Biophys Acta. 2013 May;1830(5):3143-53. doi: 10.1016/j.bbagen.2012.09.008. Epub 2012 Sep 17.
Pubmed: 22995213
Ookhtens M, Kaplowitz N: Role of the liver in interorgan homeostasis of glutathione and cyst(e)ine. Semin Liver Dis. 1998;18(4):313-29. doi: 10.1055/s-2007-1007167.
Pubmed: 9875551
Forman HJ, Zhang H, Rinna A: Glutathione: overview of its protective roles, measurement, and biosynthesis. Mol Aspects Med. 2009 Feb-Apr;30(1-2):1-12. doi: 10.1016/j.mam.2008.08.006. Epub 2008 Aug 30.
Pubmed: 18796312
Meister A: Glutathione metabolism and its selective modification. J Biol Chem. 1988 Nov 25;263(33):17205-8.
Pubmed: 3053703
Bachhawat AK, Thakur A, Kaur J, Zulkifli M: Glutathione transporters. Biochim Biophys Acta. 2013 May;1830(5):3154-64. doi: 10.1016/j.bbagen.2012.11.018. Epub 2012 Nov 30.
Pubmed: 23206830
Sasaki S, Futagi Y, Kobayashi M, Ogura J, Iseki K: Functional characterization of 5-oxoproline transport via SLC16A1/MCT1. J Biol Chem. 2015 Jan 23;290(4):2303-11. doi: 10.1074/jbc.M114.581892. Epub 2014 Nov 4.
Pubmed: 25371203
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